{"id":71724,"date":"2026-02-04T09:16:59","date_gmt":"2026-02-04T01:16:59","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/71724.html"},"modified":"2026-02-04T09:16:59","modified_gmt":"2026-02-04T01:16:59","slug":"%e3%80%90linux%e3%80%91%e9%ab%98%e7%ba%a7io%ef%bc%8c%e4%bb%a5et%e6%a8%a1%e5%bc%8f%e8%bf%90%e8%a1%8c%e7%9a%84epoll%e7%89%88%e6%9c%ac%e7%9a%84tcp%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%9e%e7%8e%b0reactor","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/71724.html","title":{"rendered":"\u3010linux\u3011\u9ad8\u7ea7IO\uff0c\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u5b9e\u73b0reactor\u53cd\u5e94\u5806"},"content":{"rendered":"<p>\u5c0f\u7f16\u4e2a\u4eba\u4e3b\u9875\u8be6\u60c5&lt;\u2014\u8bf7\u70b9\u51fb \u5c0f\u7f16\u4e2a\u4ebagitee\u4ee3\u7801\u4ed3\u5e93&lt;\u2014\u8bf7\u70b9\u51fb linux\u7cfb\u7edf\u7f16\u7a0b\u4e13\u680f&lt;\u2014\u8bf7\u70b9\u51fb linux\u7f51\u7edc\u7f16\u7a0b\u4e13\u680f&lt;\u2014\u8bf7\u70b9\u51fb <font color=\"red\">\u5018\u82e5\u547d\u4e2d\u65e0\u6b64\u8fd0&#xff0c;\u5b64\u8eab\u4ea6\u53ef\u767b\u6606\u4ed1&#xff0c;\u9001\u7ed9\u5c4f\u5e55\u9762\u524d\u7684\u8bfb\u8005\u670b\u53cb\u4eec\u548c\u5c0f\u7f16\u81ea\u5df1! <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204011653-69829e05d1443.gif\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/font><\/p>\n<hr \/>\n<h4>\u76ee\u5f55<\/h4>\n<ul>\n<li>\n<ul>\n<li>\u524d\u8a00<\/li>\n<li>\u4e00\u3001\u524d\u7f6e\u77e5\u8bc6<\/li>\n<li>\u4e8c\u3001\u7b2c\u4e00\u9636\u6bb5&#xff0c;\u57fa\u672c\u6846\u67b6\u7684\u5b9e\u73b0<\/li>\n<li>\n<ul>\n<li>Connection<\/li>\n<li>Main.cc<\/li>\n<li>TcpServer<\/li>\n<li>\n<ul>\n<li>\u6d4b\u8bd5<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u4e09\u3001\u7b2c\u4e8c\u9636\u6bb5&#xff0c;\u5f15\u5165\u4e1a\u52a1\u534f\u8bae<\/li>\n<li>\n<ul>\n<li>TcpServer<\/li>\n<li>Main.cc<\/li>\n<li>TcpServer<\/li>\n<li>\n<ul>\n<li>\u6d4b\u8bd5<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u56db\u3001\u62d3\u5c55<\/li>\n<li>\u4e94\u3001\u5199\u535a\u5ba2\u4e00\u5e74\u7684\u603b\u7ed3<\/li>\n<li>\u516d\u3001\u6e90\u4ee3\u7801<\/li>\n<li>\n<ul>\n<li>ClientCal.cc<\/li>\n<li>Comm.hpp<\/li>\n<li>Epoller.hpp<\/li>\n<li>Log.hpp<\/li>\n<li>Main.cc<\/li>\n<li>makefile<\/li>\n<li>nocopy.hpp<\/li>\n<li>Protocol.hpp<\/li>\n<li>ServerCal.hpp<\/li>\n<li>Socket.hpp<\/li>\n<li>TcpServer.hpp<\/li>\n<\/ul>\n<\/li>\n<li>\u603b\u7ed3<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr 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\/>\n<h3>\u4e00\u3001\u524d\u7f6e\u77e5\u8bc6<\/h3>\n<li>\u4e0a\u4e00\u7bc7\u6587\u7ae0&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014&#xff0c;\u90a3\u4e48\u5728\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d&#xff0c;\u6211\u4eec\u8bb2\u89e3\u4e86epoll\u7684\u9ed8\u8ba4\u5de5\u4f5c\u6a21\u5f0f\u662fLT\u6c34\u5e73\u89e6\u53d1\u6a21\u5f0f&#xff0c;\u800cepoll\u7684\u5de5\u4f5c\u6a21\u5f0f\u5206\u4e3a\u4e24\u79cd&#xff0c;\u5206\u522b\u662fLT\u6c34\u5e73\u89e6\u53d1\u6a21\u5f0f\u548cET\u8fb9\u7f18\u89e6\u53d1\u6a21\u5f0f&#xff0c;\u6240\u4ee5\u4e5f\u5c31\u610f\u5473\u7740\u6211\u4eec\u53ef\u4ee5\u5c06epoll\u7684\u5de5\u4f5c\u6a21\u5f0f\u8bbe\u7f6e\u4e3aET\u8fb9\u7f18\u89e6\u53d1\u6a21\u5f0f&#xff0c;\u90a3\u4e48\u6211\u4eec\u8be5\u5982\u4f55\u8bbe\u7f6e\u5462&#xff1f;<\/li>\n<li>\u90a3\u4e48\u6211\u4eec\u53ea\u9700\u8981\u901a\u8fc7epoll_ctl\u5c06\u8981\u8bbe\u7f6e\u7684fd\u5173\u5fc3\u7684\u4e8b\u4ef6\u6309\u4f4d\u4e0e\u4e0aEPOLLET\u7136\u540e\u4f20\u5165\u5373\u53ef&#xff0c;\u5173\u4e8efd\u53ef\u4ee5\u5173\u5fc3\u7684\u4e8b\u4ef6\u5728\u540e\u9762\u84dd\u5b57\u94fe\u63a5\u6587\u7ae0\u7b2c\u4e8c\u70b9\u7684epoll\u7684\u63a5\u53e3\u4e2d\u7684epoll_wait\u7684\u7b2c\u4e09\u5c0f\u70b9\u8fdb\u884c\u8bb2\u89e3&#xff0c;\u5176\u4e2d\u5c31\u6709EPOLLET\u8fd9\u4e2a\u4e8b\u4ef6&#xff0c;epoll_ctl\u5728\u540e\u9762\u84dd\u5b57\u94fe\u63a5\u6587\u7ae0\u7b2c\u4e8c\u70b9\u7684epoll\u7684\u63a5\u53e3\u4e2d\u7684epoll_ctl\u8fdb\u884c\u7684\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014 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&#xff08;\u4e00&#xff09;Epoller.hpp&#xff0c;\u7531\u4e8e\u6211\u4eec\u8981\u5b9e\u73b0\u7684\u662fepoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668&#xff0c;\u6240\u4ee5\u5c31\u8981\u521b\u5efa&#xff0c;\u7b49\u5f85&#xff0c;\u63a7\u5236epoll\u6a21\u578b&#xff0c;\u90a3\u4e48\u4f7f\u7528\u5230epoll\u7684\u4e09\u4e2a\u63a5\u53e3&#xff0c;\u90a3\u4e48\u5173\u4e8eepoll\u7684\u4e09\u4e2a\u63a5\u53e3\u4ee5\u53ca\u6587\u4ef6\u63cf\u8ff0\u7b26epfd\u6211\u4eec\u671f\u671b\u8fdb\u884c\u4e00\u5b9a\u7684\u5c01\u88c5&#xff0c;\u6240\u4ee5\u6211\u4eec\u5c31\u8981\u5b9e\u73b0\u4e00\u4e2aEpoller\u7c7b\u653e\u5728Epoller.hpp\u6587\u4ef6\u4e2d&#xff0c;Epoller.hpp\u5728\u7b2c\u4e09\u70b9Epoller\u4e2d\u8fdb\u884c\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014 &#xff08;\u4e8c&#xff09;Log.hpp\u662f\u65e5\u5fd7&#xff0c;\u5176\u4e2d\u5b9a\u4e49\u4e86Log 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&#xff08;\u4e94&#xff09;nocopy.hpp\u7528\u4e8e\u65b9\u5f0fnocopy\u7c7b&#xff0c;\u4f5c\u4e3a\u4e00\u6b3e\u670d\u52a1\u5668&#xff0c;\u8fd9\u4e2a\u670d\u52a1\u5668\u53ea\u80fd\u6709\u4e00\u4efd&#xff0c;\u6240\u4ee5\u6211\u4eec\u5e76\u4e0d\u671f\u671b\u670d\u52a1\u5668\u88ab\u62f7\u8d1d&#xff0c;\u6240\u4ee5\u6211\u4eec\u8ba9\u670d\u52a1\u5668EpollServer\u7ee7\u627fnocopy\u5373\u53ef&#xff0c;\u540c\u6837\u7684Epoller\u8fd9\u4e2a\u7c7b\u662f\u7528\u4e8e\u521b\u5efa&#xff0c;\u7b49\u5f85&#xff0c;\u63a7\u5236epoll\u6a21\u578b&#xff0c;\u90a3\u4e48\u6211\u4eec\u671f\u671b\u521b\u5efa\u7684epoll\u6a21\u578b\u4e0d\u53ef\u88ab\u62f7\u8d1d&#xff0c;\u6240\u4ee5\u6211\u4eec\u4e5f\u8ba9Epoller\u7ee7\u627fnocopy&#xff0c;nocopy.hpp\u5728\u7b2c\u4e8c\u70b9nocopy\u4e2d\u8fdb\u884c\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014 &#xff08;\u516d&#xff09;Socket.hpp\u7528\u4e8e\u5c01\u88c5\u5957\u63a5\u5b57\u7684\u539f\u751f\u63a5\u53e3&#xff0c;\u5173\u4e8eSocket.hpp\u5957\u63a5\u5b57\u7684\u8bb2\u89e3&#xff0c;\u5728\u7b2c\u4e09\u70b9\u7684TCP\u670d\u52a1\u5668\u7684Socket.hpp\u8fdb\u884c\u7684\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014 &#xff08;\u4e03&#xff09;TcpServer.hpp&#xff0c;\u7528\u4e8e\u653e\u7f6e\u7528\u6765\u63cf\u8ff0\u8fde\u63a5Connection\u7c7b&#xff0c;\u4ee5\u53ca\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u5bf9\u5e94\u7684TcpServer\u7c7b<\/li>\n<li>\u5e76\u4e14\u5728\u5b66\u4e60\u672c\u6587\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u53bb\u5b9e\u73b0reactor\u53cd\u5e94\u5806\u4e4b\u524d&#xff0c;\u5efa\u8bae\u8bfb\u8005\u53cb\u53cb\u5b66\u4e60\u4e00\u4e0bepoll\u4ee5LT\u6a21\u5f0f\u8fd0\u884c\u5b9e\u73b0TCP\u670d\u52a1\u5668\u8fd9\u4e00\u7bc7\u6587\u7ae0&#xff0c;\u56e0\u4e3a\u524d\u671f\u7f16\u5199\u4e2d&#xff0c;\u5927\u90e8\u5206\u5185\u5bb9\u90fd\u76f8\u540c\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014<\/li>\n<li>\u7531\u4e8ereactor\u53cd\u5e94\u5806\u7684\u5b9e\u73b0\u8f83\u4e3a\u590d\u6742&#xff0c;\u4e0d\u8981\u754f\u60e7&#xff0c;\u5c0f\u7f16\u4f1a\u5e26\u9886\u5927\u5bb6\u7531\u7b80\u5165\u6df1\u5b66\u4e60&#xff0c;\u5c0f\u7f16\u5728\u8bb2\u89e3\u8fc7\u7a0b\u4e2d\u8fd8\u4f1a\u5f15\u5165\u5c0f\u7f16\u7684\u5176\u5b83\u6587\u7ae0\u7684\u6a21\u5757\u7684\u4ee3\u7801\u76f4\u63a5\u8fdb\u884c\u63a5\u5165\u4f7f\u7528&#xff0c;\u8fdb\u884c\u9010\u6b65\u7684\u5b8c\u5584\u8bb2\u89e3reactor\u53cd\u5e94\u5806\u7684\u5b9e\u73b0<\/li>\n<h3>\u4e8c\u3001\u7b2c\u4e00\u9636\u6bb5&#xff0c;\u57fa\u672c\u6846\u67b6\u7684\u5b9e\u73b0<\/h3>\n<li>\u5728\u7b2c\u4e00\u9636\u6bb5\u4e2d&#xff0c;\u5c0f\u7f16\u5c06\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u5b9e\u73b0reactor\u53cd\u5e94\u5806\u7684\u57fa\u672c\u6846\u67b6\u8fdb\u884c\u5f15\u5165&#xff0c;\u786e\u4fddTcpServer\u670d\u52a1\u5668\u53ef\u4ee5\u6b63\u5e38\u83b7\u53d6\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5<\/li>\n<h4>Connection<\/h4>\n<li>epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u7684\u5b9e\u73b0&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014&#xff0c;\u6211\u4eec\u56de\u770b\u4e00\u4e0b\u4e4b\u524d\u8bb2\u89e3\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u7684\u5b9e\u73b0&#xff0c;\u5176\u4e2d\u6211\u4eec\u53ea\u5904\u7406\u4e86\u8bfb\u4e8b\u4ef6&#xff0c;fd\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u5206\u4e3alistensock\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u548c\u666e\u901asock\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u5bf9\u4e8elistensock\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u8868\u793a\u8fde\u63a5\u7684\u5230\u6765&#xff0c;\u9700\u8981\u4f7f\u7528\u8fde\u63a5\u7ba1\u7406\u5668Accepter\u6765\u5904\u7406<\/li>\n<li>\u90a3\u4e48\u5bf9\u4e8e\u666e\u901asock\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u8868\u793a\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5e95\u5c42\u7684tcp\u7684\u63a5\u6536\u7f13\u51b2\u533a\u4e2d\u6709\u6570\u636e\u4e86&#xff0c;\u9700\u8981\u6211\u4eec\u8bfb\u53d6\u4e0a\u6765&#xff0c;\u6b64\u65f6\u5c31\u9700\u8981\u4f7f\u7528\u5982\u4e0b\u7684\u6570\u636e\u8bfb\u53d6\u5668Recver\u6765\u8fdb\u884c\u5904\u7406&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u8c03\u7528read\u5c06\u5e95\u5c42\u7684\u6570\u636e\u8bfb\u53d6\u4e0a\u6765&#xff0c;\u4f46\u662f\u7531\u4e8e\u662fET\u6a21\u5f0f\u8fd0\u884c\u7684epoll&#xff0c;\u6240\u4ee5\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u9700\u8981\u88ab\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e&#xff0c;\u7136\u540e\u4ee5\u5faa\u73af\u8bfb\u53d6&#xff0c;\u76f4\u5230\u51fa\u9519\u7684\u65b9\u5f0f&#xff0c;\u5c06\u5e95\u5c42\u7684tcp\u7684\u63a5\u6536\u7f13\u51b2\u533a\u7684\u6570\u636e\u5168\u90e8\u8bfb\u53d6\u4e0a\u6765&#xff0c;\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\u8bb2\u89e3\u4e86ET\u6a21\u5f0f&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014<\/li>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Recver<\/span><span class=\"token punctuation\">(<\/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\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ssize_t n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<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>n <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        buffer<span class=\"token punctuation\">[<\/span>n<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;get a message: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> buffer <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p>        std<span class=\"token double-colon punctuation\">::<\/span>string echo_str <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;server echo$ &#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        echo_str <span class=\"token operator\">&#043;&#061;<\/span> buffer<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">,<\/span> echo_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> echo_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 punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&#061;&#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\">lg<\/span><span class=\"token punctuation\">(<\/span>Info<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;client quit, me to, close fd: %d&#034;<\/span><span class=\"token punctuation\">,<\/span> fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _epoller_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">EpollerUpdate<\/span><span class=\"token punctuation\">(<\/span>EPOLL_CTL_DEL<span class=\"token punctuation\">,<\/span> fd<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 function\">close<\/span><span class=\"token punctuation\">(<\/span>fd<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 punctuation\">{<\/span><br \/>\n        <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Warning<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;recv error, fd: %d&#034;<\/span><span class=\"token punctuation\">,<\/span> fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _epoller_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">EpollerUpdate<\/span><span class=\"token punctuation\">(<\/span>EPOLL_CTL_DEL<span class=\"token punctuation\">,<\/span> fd<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 function\">close<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token 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unique_ptr, shared_ptr, 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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;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;string&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;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\">&#034;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;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;nocopy.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;Epoller.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Connection<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">uint32_t<\/span> EVENT_IN <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>EPOLLIN <span class=\"token operator\">|<\/span> EPOLLET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">uint32_t<\/span> EVENT_OUT <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>EPOLLOUT <span class=\"token operator\">|<\/span> EPOLLET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> g_buffer_size <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">128<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">using<\/span> func_t <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Connection<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">Connection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sock<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>weak_ptr<span class=\"token operator\">&lt;<\/span>TcpServer<span class=\"token operator\">&gt;<\/span> tcp_server_ptr<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_sock<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_tcp_server_ptr<\/span><span class=\"token punctuation\">(<\/span>tcp_server_ptr<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 function\">SetHandler<\/span><span class=\"token punctuation\">(<\/span>func_t recv_cb<span class=\"token punctuation\">,<\/span> func_t send_cb<span class=\"token punctuation\">,<\/span> func_t except_cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _recv_cb <span class=\"token operator\">&#061;<\/span> recv_cb<span class=\"token punctuation\">;<\/span><br \/>\n        _send_cb <span class=\"token operator\">&#061;<\/span> send_cb<span class=\"token punctuation\">;<\/span><br \/>\n        _except_cb <span class=\"token operator\">&#061;<\/span> except_cb<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\">AppendInBuffer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> info<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _inbuffer <span class=\"token operator\">&#043;&#061;<\/span> info<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\">AppendOutBuffer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> info<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _outbuffer <span class=\"token operator\">&#043;&#061;<\/span> info<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> <span class=\"token function\">InBuffer<\/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> _inbuffer<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> <span class=\"token function\">OutBuffer<\/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> _outbuffer<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\">SockFd<\/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> _sock<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">Connection<\/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>_sock <span class=\"token operator\">&gt;<\/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\">close<\/span><span class=\"token punctuation\">(<\/span>_sock<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 keyword\">int<\/span> _sock<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string _inbuffer<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string _outbuffer<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    func_t _recv_cb<span class=\"token punctuation\">;<\/span><br \/>\n    func_t _send_cb<span class=\"token punctuation\">;<\/span><br \/>\n    func_t _except_cb<span class=\"token punctuation\">;<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>weak_ptr<span class=\"token operator\">&lt;<\/span>TcpServer<span class=\"token operator\">&gt;<\/span> _tcp_server_ptr<span class=\"token punctuation\">;<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>string _ip<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">uint16_t<\/span> _port<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token 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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;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\">&#034;TcpServer.hpp&#034;<\/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    std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>TcpServer<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">epoll_svr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8080<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    epoll_svr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    epoll_svr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Loop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <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<h4>TcpServer<\/h4>\n<li>Epoller.hpp\u5728\u7b2c\u4e09\u70b9Epoller\u4e2d\u8fdb\u884c\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014&#xff0c;\u90a3\u4e48\u5728\u6b63\u5f0f\u8bb2\u89e3TcpServer\u4e4b\u524d&#xff0c;\u5c0f\u7f16\u8fd9\u91cc\u8fd8\u9700\u8981\u6211\u4eec\u5bf9\u4e8eEpoller.hpp\u4e2d\u7684Epoller\u8fd9\u4e2a\u7c7b\u8fdb\u884c\u4e00\u5b9a\u7684\u8c03\u6574&#xff0c;\u5176\u5b9e\u5173\u4e8eepoller\u7c7b\u7684\u79c1\u6709\u6210\u5458\u53d8\u91cf\u4e2d\u7684_timeout\u662f\u7528\u4e8eepoll_wait\u7684\u53c2\u6570&#xff0c;\u90a3\u4e48\u4e3a\u4e86\u4fbf\u4e8e\u5916\u90e8\u76f4\u63a5\u4f20\u53c2\u66f4\u7075\u6d3b\u7684\u63a7\u5236epoll_wait\u6240\u4ee5\u6211\u4eec\u5c06\u7b2c\u4e09\u4e2a\u53c2\u6570\u8bbe\u7f6e\u4e3atimeout&#xff0c;\u7136\u540e\u4f7f\u7528\u53c2\u6570timeout\u4f20\u53c2epoll_wait&#xff0c;\u8fd9\u6837\u6211\u4eec\u5c06Epoller\u7c7b\u7684\u79c1\u6709\u6210\u5458\u53d8\u91cf_timeout\u6ce8\u91ca\u6389\u5373\u53ef<\/li>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Epoller<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">nocopy<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> <span class=\"token function\">EpollerWait<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> revents<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> num<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> timeout<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ int n &#061; epoll_wait(_epfd, revents, num, _timeout);<\/span><br \/>\n        <span class=\"token comment\">\/\/ int n &#061; epoll_wait(_epfd, revents, num, 0);<\/span><br \/>\n        <span class=\"token comment\">\/\/ int n &#061; epoll_wait(_epfd, revents, num, -1);<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_wait<\/span><span class=\"token punctuation\">(<\/span>_epfd<span class=\"token punctuation\">,<\/span> revents<span class=\"token punctuation\">,<\/span> num<span class=\"token punctuation\">,<\/span> timeout<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> n<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token 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punctuation\">;<\/span><\/p>\n<li>\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u53ef\u4ee5\u6b63\u5f0f\u5f00\u59cb\u7f16\u5199TcpServer\u7c7b\u4e86&#xff0c;\u90a3\u4e48\u6211\u4eec\u77e5\u9053\u5c06\u6765\u8fd9\u4e2aTcpServer\u670d\u52a1\u5668\u662f\u8981\u8fde\u63a5\u591a\u4e2a\u5ba2\u6237\u7aef\u7684&#xff0c;\u6240\u4ee5\u4e5f\u5c31\u610f\u5473\u7740\u8fd9\u4e2aTcpServer\u670d\u52a1\u5668\u9700\u8981\u4e3a\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u521b\u5efa\u5bf9\u5e94\u7684Connection\u5bf9\u8c61&#xff0c;\u800c\u8981\u521b\u5efaConnection\u5bf9\u8c61&#xff0c;\u90a3\u4e48\u5fc5\u4e0d\u53ef\u5c11\u7684\u5c31\u8981\u4f20\u53c2&#xff0c;\u90a3\u4e48\u5728\u4e0a\u9762\u6211\u4eec\u5df2\u7ecf\u8bb2\u89e3\u8fc7\u4e86&#xff0c;\u9700\u8981\u4f20\u53c2sock\u4ee5\u53cashared_ptr&lt;TcpServer&gt;&#xff0c;\u90a3\u4e48\u6b64\u65f6\u662f\u4f4d\u4e8eTcpServer\u5185\u90e8&#xff0c;\u6211\u4eec\u8be5\u5982\u4f55\u4f20\u53c2shared_ptr&lt;TcpServer&gt;&#xff1f;<\/li>\n<li>\u90a3\u4e48\u6b64\u65f6\u6709\u7684\u8bfb\u8005\u53cb\u53cb\u5fc3\u4e2d\u53ef\u80fd\u4f1a\u60f3&#xff0c;\u65e2\u7136\u662f\u4f4d\u4e8eTcpServer\u5185\u90e8&#xff0c;\u7c7b\u5185\u4e0d\u662f\u6709this\u6307\u9488\u5417&#xff0c;\u6070\u597dshared_ptr\u667a\u80fd\u6307\u9488\u6070\u597d\u4e0d\u5c31\u662f\u901a\u8fc7\u6307\u9488\u7684\u5f62\u5f0f\u6307\u5411\u8981\u7ba1\u7406\u7684\u8d44\u6e90\u8fdb\u884c\u7ba1\u7406&#xff0c;\u6240\u4ee5\u662f\u5426\u6211\u4eec\u53ef\u4ee5\u5c06this\u6307\u9488\u901a\u8fc7shared_ptr\u7684\u6784\u9020\u51fd\u6570&#xff0c;\u5373\u901a\u8fc7shared_ptr&lt;TcpServer&gt;(this)\u6784\u9020\u51fashared_ptr&lt;TcpServer&gt;\u7136\u540e\u8fdb\u884c\u4f20\u53c2\u5462&#xff1f;<\/li>\n<li>\u4e0d\u884c&#xff0c;\u4e00\u5b9a\u4e0d\u884c&#xff0c;\u4e3a\u4ec0\u4e48\u5462&#xff1f;\u9996\u5148\u5728Main.cc\u7684main\u51fd\u6570\u4e2d\u4f7f\u7528\u7684\u662fshared_ptr\u7ba1\u7406\u7684TcpServer\u5176\u4e2d\u7684shared_ptr\u7684\u5f15\u7528\u8ba1\u6570\u662f\u4e3a1&#xff0c;\u90a3\u4e48\u8fd9\u91cc\u91c7\u7528\u5373\u901a\u8fc7shared_ptr&lt;TcpServer&gt;(this)\u6784\u9020\u7684\u533f\u540d\u5bf9\u8c61\u4e2d\u7684\u5f15\u7528\u8ba1\u6570\u540c\u6837\u662f\u662f\u4e3a1\u7684&#xff0c;\u56e0\u4e3a\u8fd9\u91cc\u672c\u8eab\u662f\u91c7\u7528\u4e86\u533f\u540d\u5bf9\u8c61\u6784\u9020\u4e86\u4e00\u4e2a\u65b0\u7684\u667a\u80fd\u6307\u9488shared_ptr&#xff0c;\u6240\u4ee5\u548cMain.cc\u7684main\u51fd\u6570\u4e2d\u7684\u667a\u80fd\u6307\u9488shared_ptr\u7684\u5f15\u7528\u8ba1\u6570\u4e0d\u662f\u540c\u4e00\u4e2a<\/li>\n<li>\u5373\u5f15\u7528\u8ba1\u6570\u4e0d\u5171\u4eab&#xff0c;\u53d1\u751f\u4e86\u4f7f\u7528\u4e86\u591a\u4e2a\u5f15\u7528\u8ba1\u6570\u4e0d\u5171\u4eab\u7684shared_ptr\u7ba1\u7406\u4e00\u4e2aTcpServer&#xff0c;\u90a3\u4e48\u8fd9\u91cc\u901a\u8fc7shared_ptr&lt;TcpServer&gt;(this)\u6784\u9020\u7684\u533f\u540d\u5bf9\u8c61\u662f\u4e00\u4e2a\u4e34\u65f6\u5bf9\u8c61&#xff0c;\u4e00\u65e6\u4f20\u53c2\u7ed3\u675f&#xff0c;\u90a3\u4e48\u8fd9\u4e2a\u4e34\u65f6\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u5c31\u5230\u4e86&#xff0c;\u522b\u5fd8\u4e86Connection\u4e2d\u7684\u662f\u91c7\u7528\u7684weak_ptr\u6240\u4ee5\u4e0d\u4f1a\u589e\u52a0\u5f15\u7528\u8ba1\u6570&#xff0c;\u6240\u4ee5\u6b64\u65f6\u5f15\u7528\u8ba1\u6570\u51cf1&#xff0c;\u4ece1\u51cf\u4e3a0&#xff0c;\u90a3\u4e48\u5c31\u8981\u8c03\u7528\u6790\u6784\u51fd\u6570&#xff0c;\u7136\u540e\u518d\u4f9d\u6b21\u8c03\u7528TcpServer\u7684\u6210\u5458\u53d8\u91cf\u7684\u6790\u6784\u51fd\u6570\u8fdb\u884c\u6790\u6784\u91ca\u653e\u8d44\u6e90&#xff0c;\u6240\u4ee5\u6b64\u65f6TcpServer\u5df2\u7ecf\u88ab\u6790\u6784\u4e86<\/li>\n<li>\u522b\u5fd8\u4e86\u5c06\u6765\u8fd9\u4e2aTcpServer\u670d\u52a1\u5668\u662f\u8981\u8fde\u63a5\u591a\u4e2a\u5ba2\u6237\u7aef\u7684&#xff0c;\u6240\u4ee5\u4e5f\u5c31\u610f\u5473\u7740\u8fd9\u4e2aTcpServer\u670d\u52a1\u5668\u9700\u8981\u4e3a\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u521b\u5efa\u5bf9\u5e94\u7684Connection\u5bf9\u8c61&#xff0c;\u90a3\u4e48\u524d\u9762TcpServer\u670d\u52a1\u5668\u5df2\u7ecf\u6790\u6784\u8fc7\u4e00\u6b21\u4e86&#xff0c;\u5982\u679c\u6b64\u65f6\u518d\u6709\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u5230\u6765&#xff0c;\u90a3\u4e48\u670d\u52a1\u5668TcpServer\u5c31\u8981\u518d\u6b21\u521b\u5efaConnection&#xff0c;\u90a3\u4e48\u8fd8\u8981\u8fdb\u884c\u4f20\u53c2<\/li>\n<li>\u90a3\u4e48\u540c\u6837\u7684\u9053\u7406\u8fd9\u91cc\u901a\u8fc7shared_ptr&lt;TcpServer&gt;(this)\u6784\u9020\u7684\u533f\u540d\u5bf9\u8c61\u662f\u4e00\u4e2a\u4e34\u65f6\u5bf9\u8c61&#xff0c;\u4f20\u53c2\u7ed3\u675f&#xff0c;\u4e34\u65f6\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u5230\u4e86&#xff0c;\u90a3\u4e48\u5c31\u8981\u8c03\u7528\u6790\u6784\u51fd\u6570&#xff0c;\u7136\u540e\u518d\u4f9d\u6b21\u8c03\u7528TcpServer\u7684\u6210\u5458\u53d8\u91cf\u7684\u6790\u6784\u51fd\u6570\u8fdb\u884c\u6790\u6784\u91ca\u653e\u8d44\u6e90&#xff0c;\u5c31\u4f1a\u9020\u6210TcpServer\u518d\u6b21\u88ab\u6790\u6784&#xff0c;\u6240\u4ee5\u6b64\u65f6\u5c31\u4f1a\u51fa\u73b0double free\u7684\u95ee\u9898&#xff0c;\u522b\u5fd8\u4e86\u6211\u4eec\u662f\u4e0d\u5141\u8bb8\u540c\u4e00\u5757\u7a7a\u95f4\u88ab\u8fde\u7eed\u6790\u6784\u4e24\u6b21\u7684&#xff0c;\u6240\u4ee5\u6b64\u65f6\u8fdb\u7a0b\u5c31\u4f1a\u76f4\u63a5\u5f02\u5e38\u7ec8\u6b62<\/li>\n<li>\u522b\u5fd8\u4e86\u6b64\u65f6\u8fd9\u4e2a\u8fdb\u7a0b\u662f\u4e00\u4e2a\u670d\u52a1\u5668&#xff0c;\u670d\u52a1\u5668\u4e3a2\u4e2a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u5c31\u76f4\u63a5\u5f02\u5e38\u7ec8\u6b62\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u670d\u52a1\u5668\u662f\u6709\u95ee\u9898\u7684&#xff0c;\u5e76\u4e14\u8fd9\u4e2a\u5176\u4e2d\u7684\u6700\u5927\u95ee\u9898\u5c31\u662fTcpServer\u670d\u52a1\u5668\u4e3a\u548c\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u521b\u5efa\u51e0\u4e2aConnection\u5bf9\u8c61&#xff0c;\u90a3\u4e48TcpServer\u670d\u52a1\u5668\u5c31\u8981\u88ab\u6790\u6784\u51e0\u6b21<\/li>\n<li>\u5e76\u4e14\u5982\u679cTcpServer\u670d\u52a1\u5668\u9000\u51fa&#xff0c;\u5728Main.cc\u4e2d\u7684main\u51fd\u6570\u4e2d\u4e5f\u662f\u4f7f\u7528\u7684shared_ptr\u7ba1\u7406\u7684TcpServer\u670d\u52a1\u5668&#xff0c;\u6240\u4ee5\u5f53main\u51fd\u6570\u8981\u7ed3\u675f\u7684\u65f6\u5019&#xff0c;shared_ptr\u7684\u751f\u547d\u5468\u671f\u7ed3\u675f&#xff0c;\u8fd8\u4f1a\u518d\u6b21\u6790\u6784\u91ca\u653eTcpServer\u670d\u52a1\u5668&#xff0c;\u8fd9\u4e2aTcpServer\u670d\u52a1\u5668\u88ab\u53cd\u590d\u7684\u6790\u6784\u91ca\u653e\u8fdb\u884c\u97ad\u5c38&#xff0c;\u8fd9\u53ef\u5c31\u592a\u4e25\u91cd\u4e86&#xff0c;\u6240\u4ee5\u95ee\u9898\u7684\u6838\u5fc3\u51fa\u5728\u54ea\u91cc\u5462&#xff1f;<\/li>\n<li>\u95ee\u9898\u7684\u6838\u5fc3\u51fa\u5728\u51e0\u4e4e\u6240\u6709\u7684\u667a\u80fd\u6307\u9488shared_ptr\u7684\u5f15\u7528\u8ba1\u6570\u662f\u4e0d\u5171\u4eab\u7684&#xff0c;\u5373\u6211\u4eec\u8981\u521b\u5efaConnection\u5bf9\u8c61&#xff0c;\u90a3\u4e48\u5c31\u8981\u7ed9\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4f20\u53c2shared_ptr&lt;TcpServer&gt;&#xff0c;\u8981\u83b7\u53d6shared_ptr&lt;TcpServer&gt;\u6211\u4eec\u4e0a\u9762\u7684\u65b9\u5f0f\u662f\u57fa\u4e8ethis\u6307\u9488\u6784\u5efa\u533f\u540d\u5bf9\u8c61shared_ptr\u7136\u540e\u8fdb\u884c\u4f20\u53c2&#xff0c;\u8fd9\u79cd\u65b9\u5f0f\u5bf9\u4e8e\u5f15\u7528\u8ba1\u6570\u4e0d\u662f\u5171\u4eab\u7684<\/li>\n<li>\u6211\u4eec\u5b9e\u9645\u60f3\u8981\u83b7\u53d6\u7684shared_ptr&lt;TcpServer&gt;\u662fmain\u51fd\u6570\u4e2d\u7684shared_ptr&#xff0c;\u4e00\u65e6\u4ecemain\u51fd\u6570\u83b7\u53d6\u4e86shared_ptr&lt;TcpServer&gt;&#xff0c;\u90a3\u4e48\u4e5f\u5c31\u610f\u5473\u7740\u5f15\u7528\u8ba1\u6570\u662f\u5171\u4eab\u7684&#xff0c;\u6240\u4ee5\u6b64\u65f6&#xff0c;\u6240\u4ee5c&#043;&#043;\u4e2d\u662f\u5426\u63d0\u4f9b\u4e86\u63a5\u53e3\u4f9b\u6211\u4eec\u5728TcpServer\u7c7b\u5185\u83b7\u53d6main\u51fd\u6570\u4e2d\u7684\u7528\u4e8e\u7ba1\u7406TcpServer\u7684shared_ptr\u5462&#xff1f; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204011654-69829e0690ea2.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"850\" \/><\/li>\n<li>\u6709\u7684&#xff0c;\u90a3\u4e48\u6211\u4eec\u6765\u770benable_shared_from_this\u8fd9\u4e2a\u7c7b&#xff0c;\u4f7f\u7528\u8fd9\u4e2a\u7c7b\u8981\u5305\u542b#include &lt;memory&gt;&#xff0c;\u8fd9\u4e2a\u7c7b\u662f\u8981\u4f5c\u4e3a\u57fa\u7c7b\u8fdb\u884c\u7ee7\u627f\u4f7f\u7528\u7684&#xff0c;\u6240\u4ee5\u5982\u4e0b&#xff0c;\u6211\u4eec\u5bf9\u4e8eTcpServer\u8fd9\u4e2a\u7c7b\u7ee7\u627f\u4e00\u4e0benable_shared_from_this\u8fd9\u4e2a\u7c7b&#xff0c;\u7531\u4e8e\u662f\u7c7b\u6a21\u7248&#xff0c;\u90a3\u4e48\u6211\u4eec\u8fd9\u91cc\u5b9e\u4f8b\u5316\u4e3aenable_shared_from_this&lt;TcpServer&gt;\u5373\u53ef&#xff0c;\u5e76\u4e14\u6211\u4eec\u4e5f\u770b\u4e0a\u9762\u7684\u7b2c\u4e09\u6bb5simply returning shared_ptr(this) would be problematic&#xff0c;\u4ec5\u4ec5\u4f7f\u7528shared_ptr\u7684\u6784\u9020\u51fd\u6570\u8f6c\u6362this\u6307\u9488\u83b7\u5f97\u5f53\u524dTcpServer\u7684shared_ptr\u7684\u65b9\u5f0f\u662f\u6709\u95ee\u9898\u7684&#xff0c;\u539f\u56e0\u5c31\u5728\u4e8e\u5f15\u7528\u8ba1\u6570\u4e0d\u5171\u4eab&#xff0c;\u6240\u4ee5\u4f1a\u9020\u6210\u91cd\u590d\u6790\u6784\u7684\u95ee\u9898<\/li>\n<li>\u5e76\u4e14enable_shared_from_this\u8fd9\u4e2a\u7c7b\u8981\u6c42\u5728Main.cc\u7684main\u51fd\u6570\u4e2d\u7ba1\u7406TcpServer\u7684\u667a\u80fd\u6307\u9488\u5fc5\u987b\u662fshared_ptr&#xff0c;\u5373\u9700\u8981\u5728main\u51fd\u6570\u4e2d\u6709\u4e00\u4e2a\u73b0\u6709\u7684\u667a\u80fd\u6307\u9488shared_ptr\u5bf9\u8c61\u53bb\u7ba1\u7406TcpServer&#xff0c;\u53ea\u6709\u8fd9\u6837\u624d\u53ef\u4ee5\u5171\u4eab\u8ba1\u6570 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204011654-69829e06cf633.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"850\" \/><\/li>\n<li>\u90a3\u4e48\u5f53\u7ee7\u627f\u4e86enable_shared_from_this\u8fd9\u4e2a\u7c7b\u4e4b\u540e&#xff0c;\u5982\u679c\u60f3\u8981\u5728\u7c7b\u5185\u83b7\u53d6\u5f53\u524d\u5bf9\u8c61\u7684shared_ptr&#xff0c;\u90a3\u4e48\u53ea\u9700\u8981\u8c03\u7528shared_from_this\u5373\u53ef&#xff0c;\u8fd9\u4e2a\u51fd\u6570\u4f1a\u8fd4\u56de\u4e00\u4e2ashared_ptr\u5bf9\u8c61&#xff0c;\u5e76\u4e14\u4e0emain\u51fd\u6570\u73b0\u6709\u7684shared_ptr\u5171\u4eab\u6240\u6709\u6743&#xff0c;\u6240\u4ee5\u5728main\u51fd\u6570\u4e2d&#xff0c;\u5f53\u521d\u5c0f\u7f16\u4f7f\u7528\u667a\u80fd\u6307\u9488\u7ba1\u7406TcpServer\u7684\u65f6\u5019\u624d\u4f1a\u4f7f\u7528shared_ptr<\/li>\n<li>\u90a3\u4e48\u540c\u6837\u7684\u5bf9\u4e8eTcpServer\u670d\u52a1\u5668&#xff0c;\u6211\u4eec\u5e76\u4e0d\u671f\u671b\u8fd9\u4e2a\u670d\u52a1\u5668\u88ab\u62f7\u8d1d&#xff0c;\u6240\u4ee5\u6211\u4eec\u8ba9TcpServer\u7ee7\u627fnocopy\u5373\u53ef&#xff0c;nocopy.hpp\u5728\u7b2c\u4e8c\u70b9nocopy\u4e2d\u8fdb\u884c\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014&#xff0c;\u63a5\u4e0b\u6765\u6211\u4eec\u6765\u770bTcpServer\u7c7b\u7684\u79c1\u6709\u6210\u5458\u53d8\u91cf<\/li>\n<li>\u4f5c\u4e3a\u4e00\u4e2a\u670d\u52a1\u5668&#xff0c;\u8981\u7ed1\u5b9a\u7aef\u53e3\u53f7&#xff0c;\u6240\u4ee5\u79c1\u6709\u6210\u5458\u53d8\u91cf\u4e2d\u9700\u8981\u6709\u4e00\u4e2a\u7aef\u53e3\u53f7_port&#xff0c;\u90a3\u4e48\u79c1\u6709\u6210\u5458\u53d8\u91cf\u4e2d\u8fd8\u8981\u6709\u4e00\u4e2a\u6807\u5fd7\u4f4d_quit&#xff0c;\u5982\u679c_quit\u4e3afalse\u90a3\u4e48\u670d\u52a1\u5668\u542f\u52a8&#xff0c;\u5982\u679c_quit\u4e3atrue&#xff0c;\u90a3\u4e48\u670d\u52a1\u5668\u4e0d\u542f\u52a8<\/li>\n<li>\u5e76\u4e14\u6211\u4eec\u8981\u5b9e\u73b0\u7684\u670d\u52a1\u5668\u662f\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668&#xff0c;\u6240\u4ee5\u8981\u8fdb\u884csocket\u7f16\u7a0b&#xff0c;\u90a3\u4e48\u5bf9\u4e8esocket\u76f8\u5173\u7684\u63a5\u53e3&#xff0c;\u6211\u4eec\u5df2\u7ecf\u5c01\u88c5\u5728\u4e86Socket.hpp\u4e2d\u7684\u7c7bSock\u4e2d\u4e86&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u8981\u5b9e\u4f8b\u5316\u4e00\u4e2aSock\u7684\u7c7b\u5bf9\u8c61&#xff0c;\u90a3\u4e48\u6211\u4eec\u671f\u671b\u8fd9\u4e2a\u7c7b\u5bf9\u8c61\u53ef\u4ee5\u81ea\u52a8\u7ba1\u7406\u751f\u547d\u5468\u671f&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u5728\u79c1\u6709\u6210\u5458\u53d8\u91cf\u4e2d\u4f7f\u7528shared_ptr\u5bf9\u5e94\u7684_listensock_ptr\u7ba1\u7406Sock\u7684\u7c7b\u5bf9\u8c61&#xff0c;\u5173\u4e8eSocket.hpp\u5957\u63a5\u5b57\u7684\u8bb2\u89e3&#xff0c;\u5728\u7b2c\u4e09\u70b9\u7684TCP\u670d\u52a1\u5668\u7684Socket.hpp\u8fdb\u884c\u7684\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014<\/li>\n<li>\u540c\u6837\u7684\u65e2\u7136\u662f\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u5c31\u8981\u4f7f\u7528epoll\u7684\u76f8\u5173\u63a5\u53e3&#xff0c;\u5c0f\u7f16\u5728\u524d\u9762\u5df2\u7ecf\u5c06epoll\u7684\u76f8\u5173\u63a5\u53e3\u5c01\u88c5\u5728\u4e86Epoller.hpp\u4e2d\u7684Epoller\u7c7b\u4e2d\u4e86&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u5c31\u8981\u5b9e\u4f8b\u5316\u4e00\u4e2aEpoller\u7684\u7c7b\u5bf9\u8c61&#xff0c;\u90a3\u4e48\u540c\u6837\u7684\u6211\u4eec\u671f\u671b\u8fd9\u4e2a\u7c7b\u5bf9\u8c61\u53ef\u4ee5\u81ea\u52a8\u7ba1\u7406\u751f\u547d\u5468\u671f&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u540c\u6837\u5728\u79c1\u6709\u6210\u5458\u53d8\u91cf\u4e2d\u4f7f\u7528shared_ptr\u5bf9\u5e94\u7684_epoller_ptr\u7ba1\u7406Epoller\u7684\u7c7b\u5bf9\u8c61&#xff0c;Epoller.hpp\u5728\u7b2c\u4e09\u70b9Epoller\u4e2d\u8fdb\u884c\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014<\/li>\n<li>\u90a3\u4e48\u79c1\u6709\u6210\u5458\u53d8\u91cf\u6211\u4eec\u8fd8\u8981\u5b9a\u4e49\u4e00\u4e2astatic\u548cconst\u4fee\u9970\u7684int\u7c7b\u578b\u7684\u53d8\u91cfnum&#xff0c;\u521d\u59cb\u503c\u6211\u4eec\u7ed964&#xff0c;\u7528\u4e8e\u7ed9Epoller\u4e2d\u7684EpollerWait\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4f20\u53c2&#xff0c;\u5373num\u8868\u793a\u5c06\u6765\u6211\u4eec\u83b7\u53d6\u5c31\u7eea\u7684fd\u7684\u6700\u5927\u4e2a\u6570&#xff0c;\u90a3\u4e48\u8981\u8c03\u7528EpollerWait\u5c31\u9700\u8981\u4f20\u5165\u4e00\u4e2astruct epoll_event\u7c7b\u578b\u7684\u6570\u7ec4_revs&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u6b64\u65f6\u5c06\u8fd9\u4e2a\u6570\u7ec4\u653e\u5230\u7c7b\u7684\u79c1\u6709\u6210\u5458\u53d8\u91cf\u4e2d&#xff0c;\u4fbf\u4e8e\u76f4\u63a5\u62ff\u6765\u4f7f\u7528&#xff0c;\u90a3\u4e48_revs\u4e2d\u53ef\u4ee5\u653e\u7f6e\u7684\u5bf9\u8c61\u4e2a\u6570\u6211\u4eec\u8bbe\u7f6e\u4e3anum\u5373\u53ef<\/li>\n<li>\u90a3\u4e48\u6211\u4eec\u77e5\u9053\u5c06\u6765\u8fd9\u4e2aTcpServer\u670d\u52a1\u5668\u662f\u8981\u8fde\u63a5\u591a\u4e2a\u5ba2\u6237\u7aef\u7684&#xff0c;\u6240\u4ee5\u4e5f\u5c31\u610f\u5473\u7740\u8fd9\u4e2aTcpServer\u670d\u52a1\u5668\u9700\u8981\u4e3a\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u521b\u5efa\u5bf9\u5e94\u7684Connection\u5bf9\u8c61&#xff0c;\u5ba2\u6237\u7aef\u6709\u591a\u4e2a&#xff0c;\u6240\u4ee5\u4e5f\u5c31\u610f\u5473\u7740Connection\u5bf9\u8c61\u4f1a\u5b58\u5728\u591a\u4e2a&#xff0c;\u90a3\u4e48TcpServer\u670d\u52a1\u5668\u8981\u4e0d\u8981\u5c06\u591a\u4e2aConnection\u5bf9\u8c61\u7ba1\u7406\u8d77\u6765&#xff1f;\u8981&#xff0c;\u5982\u4f55\u7ba1\u7406&#xff1f;\u5148\u63cf\u8ff0&#xff0c;\u518d\u7ec4\u7ec7<\/li>\n<li>\u6240\u4ee5\u5df2\u7ecf\u4f7f\u7528\u4e86Connection\u5c06\u8fde\u63a5\u63cf\u8ff0\u51fa\u6765\u4e86&#xff0c;\u90a3\u4e48\u5982\u4f55\u7ec4\u7ec7&#xff1f;\u90a3\u4e48\u5c31\u662f\u91c7\u7528\u7279\u5b9a\u7684\u6570\u636e\u7ed3\u6784\u5c06\u591a\u4e2aConnection\u5bf9\u8c61\u7ec4\u7ec7\u8d77\u6765&#xff0c;\u90a3\u4e48\u8fd9\u91cc\u6211\u4eec\u5c31\u53ef\u4ee5\u601d\u8003\u4e86&#xff0c;\u4e00\u4e2aConnection\u5bf9\u8c61\u5bf9\u5e94\u4e00\u4e2a\u8fde\u63a5&#xff0c;\u4e00\u4e2a\u548c\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u5bf9\u5e94\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26sock&#xff0c;\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u7684\u672c\u8d28\u662f\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868\u7684\u6570\u7ec4\u4e0b\u6807&#xff0c;\u6570\u7ec4\u4e0b\u6807\u662f\u552f\u4e00\u7684&#xff0c;\u90a3\u4e48\u5c06\u6765\u6211\u4eec\u8981fd\u4e0a\u5904\u7406\u5c31\u7eea\u7684\u4e8b\u4ef6&#xff0c;\u662f\u901a\u8fc7epoll_wait\u76f4\u63a5\u4ece\u5185\u6838\u7684epoll\u6a21\u578b\u7684\u5c31\u7eea\u961f\u5217\u4e2d\u62ff\u7684 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204011654-69829e06ef862.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"800\" \/><\/li>\n<li>\u6240\u4ee5\u4e5f\u5c31\u610f\u5473\u7740\u4eceepoll_wait\u8fd4\u56de\u7684\u6570\u7ec4_revs\u4e2d\u7684fd\u53ca\u5176\u4e8b\u4ef6\u662f\u8fde\u7eed\u7684&#xff0c;\u6211\u4eec\u53ef\u4ee5\u8fde\u7eed\u7684\u5904\u7406fd\u5bf9\u5e94\u7684\u4e8b\u4ef6&#xff0c;\u8fd9\u6548\u7387\u5c31\u5f88\u9ad8\u4e86&#xff0c;\u5e76\u4e14_revs\u4e2d\u7684\u5bf9\u8c61\u7684\u7c7b\u578b\u662fstruct epoll_event&#xff0c;\u6211\u4eec\u53ef\u4ee5\u4ece\u5176\u4e2d\u7684\u7b2c\u4e00\u4e2a\u6210\u5458\u53d8\u91cfevents\u83b7\u6089\u662f\u4ec0\u4e48\u4e8b\u4ef6\u5c31\u7eea\u4e86&#xff0c;\u4ece\u7b2c\u4e8c\u4e2a\u6210\u5458\u53d8\u91cfdata\u7684\u7c7b\u578b\u4e2dstruct epoll_data_t\u7684fd\u5b57\u6bb5\u83b7\u6089\u662f\u54ea\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u6240\u4ee5\u6211\u4eec\u901a\u8fc7\u4e86struct epoll_event\u7684\u7ed3\u6784\u5c31\u53ef\u4ee5\u83b7\u6089\u8981\u5bf9\u54ea\u4e2afd\u4e0a\u7684\u54ea\u4e2a\u5c31\u7eea\u4e8b\u4ef6\u8fdb\u884c\u5904\u7406<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u5982\u679c\u6211\u4eec\u60f3\u8981\u5bf9fd\u4e0a\u7684\u5c31\u7eea\u7684\u4e8b\u4ef6\u8fdb\u884c\u5904\u7406&#xff0c;\u6240\u4ee5\u9996\u5148\u5c31\u8981\u627e\u5230fd\u5bf9\u5e94\u7684Connection\u5bf9\u8c61&#xff0c;\u5e76\u4e14\u6587\u4ef6\u63cf\u8ff0\u7b26fd\u53c8\u662f\u6570\u7ec4\u4e0b\u6807\u662f\u552f\u4e00\u7684&#xff0c;\u6240\u4ee5\u5982\u679c\u60f3\u8981\u5feb\u901f\u901a\u8fc7fd\u5b9a\u4e49Connection\u5bf9\u8c61&#xff0c;\u6b64\u65f6\u6211\u4eec\u60f3\u5230\u4e86\u4e00\u4e2a\u6570\u636e\u7ed3\u6784\u54c8\u5e0c\u8868&#xff0c;\u5173\u4e8e\u54c8\u5e0c\u8868\u7684\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528\u6587\u4ef6\u63cf\u8ff0\u7b26fd\u5f53\u505a\u952e\u503ckey&#xff0c;\u4f7f\u7528Connection\u5bf9\u8c61\u5f53\u505avalue&#xff0c;\u5f53\u7136\u6211\u4eec\u60f3\u8ba9Connection\u5bf9\u8c61\u81ea\u52a8\u7ba1\u7406\u751f\u547d\u5468\u671f&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528shared_ptr\u7ba1\u7406Connection\u5bf9\u8c61&#xff0c;\u6240\u4ee5\u54c8\u5e0c\u8868\u7684value\u5e94\u8be5\u662fshared_ptr&lt;Connection&gt;&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u7ed9TcpServer\u521b\u5efa\u7c7b\u578b\u4e3aunordered_map&lt;int, std::shared_ptr&lt;Connection&gt;&gt;\u7684\u79c1\u6709\u6210\u5458\u53d8\u91cf_connections\u53bb\u5e2e\u52a9\u6211\u4eec\u7ba1\u7406\u591a\u4e2aConnection\u5bf9\u8c61&#xff0c;\u4ee5\u53ca\u5feb\u901f\u6839\u636e\u6587\u4ef6\u63cf\u8ff0\u7b26fd\u5b9a\u4e49Connection\u5bf9\u8c61&#xff0c;\u81f3\u6b64\u6211\u4eec\u5c31\u4ecb\u7ecd\u5b8c\u6210\u4e86TcpServer\u7684\u79c1\u6709\u6210\u5458\u53d8\u91cf<\/li>\n<li>\u90a3\u4e48\u63a5\u4e0b\u6765&#xff0c;\u6211\u4eec\u5728\u6784\u9020\u51fd\u6570\u4e2d\u5bf9\u79c1\u6709\u6210\u5458\u53d8\u91cf\u8fdb\u884c\u521d\u59cb\u5316&#xff0c;\u6211\u4eec\u671f\u671b\u670d\u52a1\u5668\u6240\u7ed1\u5b9a\u7684\u7aef\u53e3\u53f7\u662f\u5916\u90e8\u4f20\u5165\u7684&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u5728\u6784\u9020\u51fd\u6570\u4e2d\u6211\u4eec\u63a5\u6536\u7aef\u53e3\u53f7port&#xff0c;\u7136\u540e\u5bf9\u4e8e\u6807\u5fd7\u4f4d_quit\u6211\u4eec\u521d\u59cb\u5316\u4e3atrue\u8868\u793a\u9ed8\u8ba4\u670d\u52a1\u5668\u662f\u4e0d\u8fd0\u884c\u7684&#xff0c;\u7136\u540e\u4f7f\u7528\u63a5\u6536\u5230\u7684\u7aef\u53e3\u53f7port\u521d\u59cb\u5316\u6210\u5458\u53d8\u91cf_port&#xff0c;\u7136\u540e\u7ed9_listensock_ptr\u8fd9\u4e2a\u6210\u5458\u53d8\u91cfnew\u4e00\u4e2aSock\u5bf9\u8c61&#xff0c;\u7ed9_epoller_ptr\u8fd9\u4e2a\u6210\u5458\u53d8\u91cfnew\u4e00\u4e2aEpoller\u5bf9\u8c61&#xff0c;\u4e8e\u662f\u6211\u4eec\u5c31\u5b8c\u6210\u4e86\u6784\u9020\u51fd\u6570<\/li>\n<li>\u63a5\u4e0b\u6765\u6211\u4eec\u6765\u770b\u8fd0\u884c\u670d\u52a1\u5668Loop\u7684\u7f16\u5199&#xff0c;\u90a3\u4e48\u5173\u4e8eLoop\u5c31\u662f\u6267\u884c\u4e00\u6bb5\u91cd\u590d\u7684\u903b\u8f91&#xff0c;\u90a3\u4e48\u670d\u52a1\u5668\u542f\u52a8&#xff0c;\u6211\u4eec\u5c06\u6807\u5fd7\u4f4d_quit\u8bbe\u7f6e\u4e3afalse&#xff0c;\u8868\u793a\u505c\u6b62\u7684\u4e3a\u5047\u5373\u542f\u52a8\u670d\u52a1\u5668&#xff0c;\u90a3\u4e48\u5728\u63a5\u4e0b\u6765\u7684while\u5faa\u73af\u7684\u5224\u65ad\u6761\u4ef6\u91c7\u7528!_quit\u6267\u884c\u6b7b\u5faa\u73af\u5373\u53ef&#xff0c;\u5f53\u670d\u52a1\u5668\u505c\u6b62\u7684\u65f6\u5019&#xff0c;\u6211\u4eec\u5728\u672b\u5c3e\u5c06_quit\u8bbe\u7f6e\u4e3atrue\u5373\u53ef&#xff0c;\u5176\u5b9e\u8bbe\u7f6e\u8fd9\u4e2a_quit\u6807\u5fd7\u4f4d&#xff0c;\u6211\u4eec\u53ef\u4ee5\u5f53\u670d\u52a1\u5668\u60f3\u8981\u505c\u6b62\u7684\u65f6\u5019&#xff0c;\u90a3\u4e48\u6211\u4eec\u53ea\u9700\u8981\u91c7\u7528\u67d0\u79cd\u624b\u6bb5\u4fee\u6539_quit\u4e3atrue\u7ecf\u8fc7while\u5faa\u73af\u5224\u65ad\u5373\u53ef\u505c\u6b62\u670d\u52a1\u5668<\/li>\n<li>\u4e00\u65e6\u8fdb\u5165while\u6b7b\u5faa\u73af\u90a3\u4e48\u5c31\u8868\u793a\u6b64\u65f6\u670d\u52a1\u5668\u542f\u52a8\u8fd0\u884c\u4e86&#xff0c;\u670d\u52a1\u5668\u4e00\u65e6\u8fd0\u884c\u90a3\u4e48\u5c31\u662f\u4e00\u4e2a\u57fa\u4e8e\u6b7b\u5faa\u73af\u7684\u53bb\u6267\u884cDispatcher\u6d3e\u53d1\u5668&#xff0c;\u7ed9Dispatcher\u4f20\u5165\u8d85\u65f6\u65f6\u95f4&#xff0c;\u4e3a\u4e86\u4fbf\u4e8e\u6f14\u793a\u73b0\u8c61\u8fd9\u91cc\u6211\u4eec\u4f20\u5165-1\u8868\u793a\u963b\u585e\u5f0f\u7b49\u5f85\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u4e0a\u7684\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u6267\u884cDispatcher\u6d3e\u53d1\u5668\u5373\u6267\u884c\u68c0\u6d4b\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u6d3e\u53d1\u4e8b\u4ef6&#xff0c;\u4e8b\u4ef6\u5904\u7406\u5b8c\u6210&#xff0c;\u7ee7\u7eed\u68c0\u6d4b\u4e8b\u4ef6&#xff0c;\u4ee5\u6b64\u91cd\u590d\u8fd9\u4e2a\u903b\u8f91<\/li>\n<li>\u90a3\u4e48\u6bcf\u6b21\u6267\u884c\u5b8c\u4e8b\u4ef6\u6d3e\u53d1\u5668Dispatcher\u540e&#xff0c;\u5728Loop\u7684while\u5faa\u73af\u4e2d&#xff0c;\u63a5\u4e0b\u6765\u6211\u4eec\u90fd\u4f7f\u7528PrintConnection\u6253\u5370\u4e00\u4e0b_connections\u4e2d\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock&#xff0c;\u4ee5\u53ca\u7528\u6237\u7ea7\u7684\u8f93\u5165\u7f13\u51b2\u533a_inbuffer\u7684\u6570\u636e&#xff0c;\u53ea\u9700\u8981\u4f7f\u7528\u8fed\u4ee3\u5668\u904d\u5386\u4e00\u4e0b_connections&#xff0c;\u7136\u540e\u952e\u503ckey\u5c31\u662f\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u6211\u4eec\u6253\u5370\u4e00\u4e0b\u5373\u53ef&#xff0c;\u7136\u540evalue\u662fConnection\u5bf9\u8c61&#xff0c;\u90a3\u4e48\u5176\u4e2d\u5c31\u6709Inbuffer\u53ef\u4ee5\u83b7\u53d6\u7528\u6237\u7ea7\u7684\u8f93\u5165\u7f13\u51b2\u533a_inbuffer&#xff0c;\u6b64\u65f6\u6211\u4eec\u6253\u5370\u4e00\u4e0b_inbuffer\u5373\u53ef<\/li>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TcpServer<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token class-name\">enable_shared_from_this<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">TcpServer<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">nocopy<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> num <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">64<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint16_t<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_quit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span> <span class=\"token function\">_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span> <span class=\"token function\">_listensock_ptr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">Sock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span> <span class=\"token function\">_epoller_ptr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">Epoller<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><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 function\">Init<\/span><span class=\"token punctuation\">(<\/span><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 function\">Dispatcher<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> timeout<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Loop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _quit <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>_quit<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">Dispatcher<\/span><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 function\">PrintConnection<\/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>        _quit <span class=\"token operator\">&#061;<\/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 keyword\">void<\/span> <span class=\"token function\">PrintConnection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;_connections fd list: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<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> connection <span class=\"token operator\">:<\/span> _connections<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> connection<span class=\"token punctuation\">.<\/span>first <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;, &#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;inbuffer: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> connection<span class=\"token punctuation\">.<\/span>second<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">InBuffer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <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 keyword\">bool<\/span> _quit<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">uint16_t<\/span> _port<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Sock<span class=\"token operator\">&gt;<\/span> _listensock_ptr<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Epoller<span class=\"token operator\">&gt;<\/span> _epoller_ptr<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>unordered_map<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;&gt;<\/span> _connections<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> _revs<span class=\"token punctuation\">[<\/span>num<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<li>\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u8981\u5f00\u59cb\u7f16\u5199\u4e8b\u4ef6\u6d3e\u53d1\u5668Dispatcher&#xff0c;\u90a3\u4e48\u5c31\u662f\u68c0\u6d4b\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u6d3e\u53d1\u4e8b\u4ef6&#xff0c;\u6240\u4ee5\u9996\u5148\u5c31\u8981\u8c03\u7528epoll_wait\u53bb\u5c06\u5df2\u7ecf\u5c31\u7eea\u7684fd\u53ca\u5176\u4e8b\u4ef6\u83b7\u53d6\u4e0a\u6765&#xff0c;\u90a3\u4e48\u5bf9\u4e8eepoll_wait\u6211\u4eec\u5df2\u7ecf\u63d0\u524d\u5c01\u88c5\u5728\u4e86Epoller\u7c7b\u4e2d\u4e86&#xff0c;Epoller.hpp\u5728\u7b2c\u4e09\u70b9Epoller\u4e2d\u8fdb\u884c\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u8c03\u7528_epoller_ptr\u4e2d\u7684EpollerWait\u65b9\u6cd5&#xff0c;\u4f20\u5165struct epoll_event\u6570\u7ec4\u90a3\u4e48\u5bf9\u5e94\u5c31\u662f\u6211\u4eec\u4e4b\u524d\u65e9\u5c31\u5c01\u88c5\u7684\u79c1\u6709\u6210\u5458\u53d8\u91cf_revs&#xff0c;\u4f20\u5165num\u6211\u4eec\u8981\u4e00\u6b21\u83b7\u53d6\u7684\u6700\u5927\u5c31\u7eeafd\u7684\u4e2a\u6570&#xff0c;\u4ee5\u53ca\u4f20\u5165\u8d85\u65f6\u65f6\u95f4tiemout&#xff0c;\u6ce8\u610f\u8fd9\u4e2a\u7684\u8d85\u65f6\u65f6\u95f4\u6211\u4eec\u5f53\u521d\u4e3a\u4e86\u4fbf\u4e8e\u6f14\u793a\u8bbe\u7f6e\u6210\u4e86-1&#xff0c;\u5373\u963b\u585e\u7b49\u5f85fd\u4e0a\u7684\u4e8b\u4ef6\u5c31\u7eea<\/li>\n<li>\u90a3\u4e48\u5f53EpollerWait\u7684\u8fd4\u56de\u503cn\u5927\u4e8e0\u7684\u65f6\u5019&#xff0c;\u8868\u793a\u6709n\u4e2afd\u4e0a\u7684\u4e8b\u4ef6\u5c31\u7eea\u4e86&#xff0c;\u6b64\u65f6\u8981\u8fdb\u884c\u4e8b\u4ef6\u5904\u7406\u903b\u8f91&#xff0c;\u90a3\u4e48\u5f53n\u7b49\u4e8e0\u7684\u65f6\u5019\u8868\u793a\u8d85\u65f6&#xff0c;\u4f46\u662f\u6211\u4eec\u8fd9\u91cc\u5e76\u4e0d\u4f1a\u51fa\u73b0\u8d85\u65f6&#xff0c;\u800c\u662f\u4e00\u76f4\u963b\u585e\u76f4\u5230fd\u4e0a\u7684\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u6240\u4ee5\u5bf9\u4e8en\u7b49\u4e8e0\u7684\u60c5\u51b5\u6211\u4eec\u5c31\u4e0d\u518d\u5224\u65ad<\/li>\n<li>\u5982\u679cn\u5c0f\u4e8e0\u8868\u793a\u7b49\u5f85\u51fa\u9519&#xff0c;\u4e00\u822c\u7b49\u5f85\u51fa\u9519\u7684\u60c5\u51b5\u5f88\u5c11&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u5c0f\u7f16\u4e5f\u5c31\u4e0d\u518d\u5224\u65adn\u5c0f\u4e8e0\u7684\u60c5\u51b5\u4e86&#xff0c;\u90a3\u4e48\u6211\u4eec\u53ea\u9700\u8981\u5173\u5fc3\u7684\u60c5\u51b5\u5c31\u662fn\u5927\u4e8e0\u7684\u60c5\u51b5&#xff0c;\u7531\u4e8en\u7b49\u4e8e0\u4ee5\u53can\u5927\u4e8e0\u6211\u4eec\u90fd\u4e0d\u8003\u8651&#xff0c;\u53ea\u5269\u4e0bn\u5927\u4e8e0\u8868\u793a\u6709n\u4e2afd\u4e0a\u7684\u4e8b\u4ef6\u5c31\u7eea\u4e86&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u5c0f\u7f16\u5c31\u4e0d\u518d\u5224\u65adn\u4e86&#xff0c;\u800c\u662f\u76f4\u63a5\u5904\u7406n\u4e2a\u5c31\u7eea\u7684fd\u4e0a\u7684\u4e8b\u4ef6\u5373\u53ef <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204011654-69829e06ef862.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"800\" \/><\/li>\n<li>\u522b\u5fd8\u4e86EpollerWait\u7684\u8fd4\u56de\u503c\u8868\u793a\u6709n\u4e2afd\u4e0a\u7684\u4e8b\u4ef6\u5c31\u7eea\u4e86&#xff0c;\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u8fde\u7eed\u7684\u5904\u7406\u5c31\u7eea\u7684fd\u4e0a\u7684\u4e8b\u4ef6&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31for\u5faa\u73af&#xff0c;\u5faa\u73afn\u6b21&#xff0c;\u90a3\u4e48\u5c31\u7eea\u7684fd\u53ca\u5176\u4e8b\u4ef6\u90fd\u5728struct epoll_event\u6570\u7ec4_revs\u4e2d\u653e\u7740&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u53d6\u51fa\u6587\u4ef6\u63cf\u8ff0\u7b26sock&#xff0c;\u53d6\u51fa\u5bf9\u5e94\u5c31\u7eea\u7684\u4e8b\u4ef6events &#xff08;\u4e00&#xff09;EPOLLIN&#xff0c;\u8868\u793a\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u53ef\u4ee5\u8bfb&#xff0c;\u6216\u8005\u5bf9\u7aef\u7684\u8c03\u7528close\u6b63\u5e38\u5173\u95ed\u8fde\u63a5 &#xff08;\u4e8c&#xff09;EPOLLOUT&#xff0c;\u8868\u793a\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u53ef\u4ee5\u5199 &#xff08;\u4e09&#xff09;EPOLLPRI&#xff0c;\u8868\u793a\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e0a\u6709\u7d27\u6025\u7684\u6570\u636e\u53ef\u8bfb &#xff08;\u56db&#xff09;EPOLLERR&#xff0c;\u8868\u793a\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u53d1\u751f\u9519\u8bef&#xff0c;\u6b64\u65f6\u6211\u4eec\u9700\u8981\u5173\u95ed\u8fd9\u4e2afd &#xff08;\u4e94&#xff09;EPOLLHUP&#xff0c;\u8868\u793a\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u88ab\u6302\u65ad&#xff0c;\u6b64\u65f6\u6211\u4eec\u9700\u8981\u5173\u95ed\u8fd9\u4e2afd &#xff08;\u516d&#xff09;EPOLLET&#xff0c;\u5c06epoll\u7684\u5de5\u4f5c\u6a21\u5f0f\u7531\u9ed8\u8ba4\u7684LT&#xff08;Level Triggered&#xff09;\u6c34\u5e73\u89e6\u53d1\u6a21\u5f0f&#xff0c;\u8bbe\u7f6e\u4e3aET&#xff08;Edge Triggered&#xff09;\u8fb9\u7f18\u89e6\u53d1\u6a21\u5f0f<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u5bf9\u4e8b\u4ef6events\u8fdb\u884c\u5224\u65ad\u4e86&#xff0c;\u5982\u679cevents\u4e2d\u6709EPOLLERR\u6216\u8005EPOLLHUP\u8868\u793a\u6b64\u65f6\u4e8b\u4ef6\u5df2\u7ecf\u51fa\u73b0\u5f02\u5e38\u4e86&#xff0c;\u90a3\u4e48\u8fd9\u91cc\u6211\u4eec\u5c06events\u6309\u4f4d\u4e0e\u4e0a(EPOLLIN | EPOLLOUT)&#xff0c;\u6240\u4ee5\u6b64\u65f6\u5f02\u5e38\u95ee\u9898\u5c31\u4f1a\u8f6c\u6362\u6210\u8bfb\u5199\u95ee\u9898&#xff0c;\u8bfb\u5199\u95ee\u9898\u4e2d\u6709\u8fdb\u884c\u5f02\u5e38\u5904\u7406\u7684\u903b\u8f91<\/li>\n<li>\u6240\u4ee5\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u5bf9\u8bfb\u4e8b\u4ef6\u8fdb\u884c\u5224\u65ad&#xff0c;\u5982\u679c\u8bfb\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u90a3\u4e48\u6211\u4eec\u5c31\u8c03\u7528\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5bf9\u5e94\u7684Connection\u5bf9\u8c61\u4e2d\u7684_recv_cb\u65b9\u6cd5&#xff0c;\u4f46\u662f\u6211\u4eec\u4e0d\u786e\u5b9a\u662f\u5426\u8fd9\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5728_connections\u4e2d\u5b58\u5728&#xff0c;\u6240\u4ee5\u6211\u4eec\u5c31\u6267\u884cIsConnectionSafe\u53bb\u68c0\u6d4bfd\u662f\u5426\u5b58\u5728&#xff0c;\u90a3\u4e48\u8c03\u7528\u54c8\u5e0c\u8868\u7684find\u65b9\u6cd5\u53bb\u8fdb\u884c\u67e5\u627e&#xff0c;\u5982\u679c\u4e0d\u5b58\u5728\u90a3\u4e48\u5c31\u8fd4\u56defalse&#xff0c;\u5982\u679c\u5b58\u5728\u90a3\u4e48\u5c31\u8fd4\u56detrue<\/li>\n<li>\u6240\u4ee5\u5728\u6b63\u5f0f\u8c03\u7528\u56de\u8c03_recv_cb\u65b9\u6cd5\u4e4b\u524d&#xff0c;\u6211\u4eec\u9700\u8981\u8c03\u7528IsConnectionSafe\u5224\u65adfd\u662f\u5426\u5b58\u5728&#xff0c;\u5982\u679c\u5b58\u5728\u6211\u4eec\u624d\u8c03\u7528\u56de\u8c03\u53bb\u5904\u7406\u8bfb\u4e8b\u4ef6&#xff0c;\u4f46\u662f\u6b64\u65f6\u8fd8\u6709\u95ee\u9898&#xff0c;\u662f\u5426\u56de\u8c03_recv_cb\u88abConnection\u5bf9\u8c61\u7684\u5efa\u8005\u8bbe\u7f6e\u4e86\u5462&#xff1f;\u6211\u4eec\u4e5f\u4e0d\u77e5\u9053&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u8fd8\u8981\u5224\u65ad\u56de\u8c03_recv_cb\u662f\u5426\u5b58\u5728&#xff0c;\u5982\u679c\u5b58\u5728\u6211\u4eec\u624d\u771f\u6b63\u7684\u8c03\u7528\u56de\u8c03_recv_cb\u53bb\u5904\u7406\u8bfb\u4e8b\u4ef6&#xff0c;\u90a3\u4e48\u540c\u6837\u7684\u9053\u7406\u5199\u4e8b\u4ef6\u4e5f\u662f\u5982\u6b64\u7684\u903b\u8f91\u53bb\u8c03\u7528\u56de\u8c03_send_cb<\/li>\n<p><span class=\"token keyword\">bool<\/span> <span class=\"token function\">IsConnectionSafe<\/span><span class=\"token punctuation\">(<\/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 comment\">\/\/ std::unordered_map&lt;int, std::shared_ptr&lt;Connection&gt;&gt;::iterator iter &#061; _connections.find(fd);<\/span><br \/>\n    <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _connections<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> _connections<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><\/p>\n<p>    <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 keyword\">void<\/span> <span class=\"token function\">Dispatcher<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> timeout<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> _epoller_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">EpollerWait<\/span><span class=\"token punctuation\">(<\/span>_revs<span class=\"token punctuation\">,<\/span> num<span class=\"token punctuation\">,<\/span> timeout<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\">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> n<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\">int<\/span> sock <span class=\"token operator\">&#061;<\/span> _revs<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><br \/>\n        <span class=\"token keyword\">uint32_t<\/span> events <span class=\"token operator\">&#061;<\/span> _revs<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>events<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u7edf\u4e00\u5c06\u4e8b\u4ef6\u5f02\u5e38\u8f6c\u5316\u4e3a\u8bfb\u5199\u95ee\u9898<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>events <span class=\"token operator\">&amp;<\/span> EPOLLERR<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">|<\/span> <span class=\"token punctuation\">(<\/span>events <span class=\"token operator\">&amp;<\/span> EPOLLHUP<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            events <span class=\"token operator\">|&#061;<\/span> <span class=\"token punctuation\">(<\/span>EPOLLIN <span class=\"token operator\">|<\/span> EPOLLOUT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8fd9\u6837\u53ef\u4ee5\u7b80\u5316\u903b\u8f91&#xff0c;\u53ea\u9700\u8981\u5904\u7406\u8bfb\u5199\u95ee\u9898<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>events <span class=\"token operator\">&amp;<\/span> EPOLLIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token function\">IsConnectionSafe<\/span><span class=\"token punctuation\">(<\/span>sock<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>_connections<span class=\"token punctuation\">[<\/span>sock<span class=\"token punctuation\">]<\/span><span class=\"token operator\">-&gt;<\/span>_recv_cb<span class=\"token punctuation\">)<\/span><br \/>\n                _connections<span class=\"token punctuation\">[<\/span>sock<span class=\"token punctuation\">]<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">_recv_cb<\/span><span class=\"token punctuation\">(<\/span>_connections<span class=\"token punctuation\">[<\/span>sock<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\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>events <span class=\"token operator\">&amp;<\/span> EPOLLOUT<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token function\">IsConnectionSafe<\/span><span class=\"token punctuation\">(<\/span>sock<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>_connections<span class=\"token punctuation\">[<\/span>sock<span class=\"token punctuation\">]<\/span><span class=\"token operator\">-&gt;<\/span>_send_cb<span class=\"token punctuation\">)<\/span><br \/>\n                _connections<span class=\"token punctuation\">[<\/span>sock<span class=\"token punctuation\">]<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">_send_cb<\/span><span class=\"token punctuation\">(<\/span>_connections<span class=\"token punctuation\">[<\/span>sock<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><\/p>\n<li>\u90a3\u4e48\u6211\u4eec\u5149\u8fdb\u884cLoop&#xff0c;\u8fdb\u884cDispatcher\u4e8b\u4ef6\u6d3e\u53d1\u4e86&#xff0c;\u6211\u4eec\u7ed9\u670d\u52a1\u5668\u521d\u59cb\u5316\u521b\u5efa\u5957\u63a5\u5b57\u7ed1\u5b9a\u7aef\u53e3\u53f7\u8bbe\u7f6e\u76d1\u542c\u72b6\u6001\u4e86\u5417&#xff1f;\u6ca1\u6709&#xff0c;\u53ef\u662f\u6b64\u65f6\u6211\u4eec\u7ed9epoll\u8bbe\u7f6e\u5173\u5fc3\u7684fd\u53ca\u5176\u4e8b\u4ef6\u4e86\u5417&#xff1f;\u6ca1\u6709&#xff0c;\u6240\u4ee5\u63a5\u4e0b\u6765\u6211\u4eec\u6765\u7f16\u5199Init\u521d\u59cb\u5316\u670d\u52a1\u5668&#xff0c;\u4f46\u662f\u5728\u6b63\u5f0f\u7f16\u5199Init\u521d\u59cb\u5316\u670d\u52a1\u5668\u4e4b\u524d&#xff0c;\u6211\u4eec\u8fd8\u9700\u8981\u4e00\u4e9b\u524d\u7f6e\u6027\u7684\u94fa\u57ab<\/li>\n<li>\u90a3\u4e48\u6211\u4eec\u8981\u5b9e\u73b0\u7684\u53ef\u662f\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u5b9e\u73b0reactor\u53cd\u5e94\u5806&#xff0c;\u800c\u8981\u4ee5ET\u6a21\u5f0f\u8fd0\u884c&#xff0c;\u5c31\u8981\u786e\u4fdd\u4e00\u6b21\u8bfb\u53d6\u5c06\u5e95\u5c42\u7684\u6570\u636e\u6216\u8005\u8fde\u63a5\u5168\u90e8\u8bfb\u53d6\u4e0a\u6765&#xff0c;\u6240\u4ee5\u4e5f\u5c31\u610f\u5473\u7740\u6211\u4eec\u8981\u8fdb\u884c\u5faa\u73af\u8bfb\u53d6&#xff0c;\u76f4\u5230\u51fa\u9519&#xff0c;\u8fd9\u6837\u624d\u53ef\u4ee5\u5168\u90e8\u8bfb\u53d6\u4e0a\u6765&#xff0c;\u800c\u8981\u8fdb\u884c\u5faa\u73af\u8bfb\u53d6&#xff0c;\u76f4\u5230\u51fa\u9519\u7684\u524d\u63d0\u5c31\u662f\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u8981\u88ab\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e&#xff0c;\u6240\u4ee5epoll\u60f3\u8981\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684\u524d\u63d0\u5c31\u662f\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u8981\u88ab\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e&#xff0c;\u6240\u4ee5\u6211\u4eec\u9700\u8981\u5b9e\u73b0\u4e00\u4e0b\u975e\u963b\u585e&#xff0c;\u90a3\u4e48\u5173\u4e8e\u975e\u963b\u585e\u7684\u5b9e\u73b0\u5176\u5b9e\u5c0f\u7f16\u5df2\u7ecf\u8bb2\u89e3\u8fc7\u4e86&#xff0c;\u7b2c\u56db\u70b9\u975e\u963b\u585e\u7684\u5b9e\u73b0&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204011655-69829e073b726.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"250\" \/><\/li>\n<li>\u90a3\u4e48\u4e3a\u4e86\u89c4\u8303&#xff0c;\u5c0f\u7f16\u65b0\u5efa\u4e00\u4e2a.hpp\u6587\u4ef6\u547d\u540d\u4e3aComm.hpp\u7136\u540e\u5728\u8fd9\u4e2a\u6587\u4ef6\u4e2d\u5b9e\u73b0\u5c06\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e&#xff0c;\u6240\u4ee5\u5982\u4e0b&#xff0c;\u6211\u4eec\u5305\u597d\u5bf9\u5e94\u7684\u5934\u6587\u4ef6&#xff0c;fl\u662f\u6587\u4ef6\u72b6\u6001\u6807\u8bb0&#xff0c;\u7136\u540e\u5148\u4f7f\u7528fcntl\u7684F_GETFL\u5c06\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e4b\u524d\u5e95\u5c42\u5df2\u7ecf\u5b58\u5728\u88ab\u8bbe\u7f6e\u7684\u6807\u5fd7\u4f4d\u5168\u90e8\u83b7\u53d6\u4e0a\u6765fl&#xff0c;\u7136\u540e\u5982\u679c\u83b7\u53d6\u5931\u8d25\u5373fl\u5c0f\u4e8e0&#xff0c;\u90a3\u4e48\u6b64\u65f6\u95ee\u9898\u5c31\u5f88\u5927\u4e86&#xff0c;\u5982\u4f55\u7406\u89e3\u5462&#xff1f;<\/li>\n<li>\u4e4b\u524d\u6211\u4eec\u8bb2\u89e3epoll\u60f3\u8981\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684\u524d\u63d0\u5c31\u662f\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u8981\u88ab\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e&#xff0c;\u6b64\u65f6\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e\u5931\u8d25&#xff0c;\u6240\u4ee5\u81ea\u7136epoll\u4e5f\u5c31\u65e0\u6cd5\u4ee5ET\u6a21\u5f0f\u8fd0\u884c&#xff0c;\u6240\u4ee5\u81ea\u7136\u7684\u4e5f\u5c31\u65e0\u6cd5\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u5b9e\u73b0reactor\u53cd\u5e94\u5806&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u7684\u670d\u52a1\u5668\u4e5f\u5c31\u4e0d\u7b26\u5408\u6211\u4eec\u7684\u8bbe\u8ba1\u521d\u8877\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u76f4\u63a5\u5c31exit\u7ec8\u6b62\u670d\u52a1\u5668&#xff0c;\u8bbe\u7f6e\u9519\u8bef\u7801\u4e3aNON_BLOCK_ERR\u8868\u793a\u975e\u963b\u585e\u8bbe\u7f6e\u5931\u8d25 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204011655-69829e0749b59.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"400\" \/><\/li>\n<li>\u90a3\u4e48\u8d70\u5230\u4e0b\u9762fl\u4e00\u5b9a\u5927\u4e8e\u7b49\u4e8e0&#xff0c;\u8868\u793a\u83b7\u53d6\u4e4b\u524d\u8bbe\u7f6e\u597d\u7684\u6807\u5fd7\u4f4dfl\u6210\u529f&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u4f7f\u7528fcntl\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570cmd\u5bf9\u5e94\u7684\u547d\u4ee4F_SETFL\u8bbe\u7f6e\u6587\u4ef6\u72b6\u6001\u6807\u8bb0&#xff0c;\u90a3\u4e48\u5e94\u8be5\u662f\u5728\u6587\u4ef6\u63cf\u8ff0\u7b26\u5bf9\u5e94\u7684\u6587\u4ef6\u72b6\u6001\u6807\u8bb0fl\u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u65b0\u589e\u975e\u963b\u585eO_NONBLOCK\u8fd9\u4e2a\u72b6\u6001&#xff0c;\u6240\u4ee5\u5e94\u8be5\u662f fl \u6309\u4f4d\u6216\u4e0aO_NONBLOCK\u5373\u53ef\u5b9e\u73b0<\/li>\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;cstdlib&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;fcntl.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;Socket.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">SetNonBlockOrDie<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sock<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> fl <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">fcntl<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> F_GETFL<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>fl <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span>NON_BLOCK_ERR<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">fcntl<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> F_SETFL<span class=\"token punctuation\">,<\/span> fl <span class=\"token operator\">|<\/span> O_NONBLOCK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<li>\u6211\u4eec\u4ed4\u7ec6\u4e00\u770b&#xff0c;\u4e0a\u9762\u5c0f\u7f16\u5305\u4e86\u4e00\u4e2a#include &#034;Socket.hpp&#034;\u7684\u5934\u6587\u4ef6&#xff0c;\u8fd9\u7a76\u7adf\u662f\u4ec0\u4e48\u4f5c\u7528\u5462&#xff1f;\u5bf9\u4e8e\u8fd9\u4e2a\u9519\u8bef\u7801NON_BLOCK_ERR\u6211\u4eec\u5e76\u6ca1\u6709\u5b9a\u4e49&#xff0c;\u6211\u4eec\u5c06\u5176\u5b9a\u4e49\u4e86\u5728#include &#034;Socket.hpp&#034;\u4e2denum\u4e2d\u6dfb\u52a0\u9519\u8bef\u7801NON_BLOCK_ERR&#xff0c;\u5173\u4e8eSocket.hpp\u5957\u63a5\u5b57\u7684\u8bb2\u89e3&#xff0c;\u5728\u7b2c\u4e09\u70b9\u7684TCP\u670d\u52a1\u5668\u7684Socket.hpp\u8fdb\u884c\u7684\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014<\/li>\n<p><span class=\"token keyword\">enum<\/span><span class=\"token punctuation\">{<\/span><br \/>\n    SocketErr <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    BindErr<span class=\"token punctuation\">,<\/span><br \/>\n    ListenErr<span class=\"token punctuation\">,<\/span><br \/>\n    NON_BLOCK_ERR<br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<li>Init\u662f\u8981\u521b\u5efalistensock\u7684\u4f5c\u7528&#xff0c;\u6240\u4ee5listensock\u4e5f\u9700\u8981\u88ab\u521b\u5efaConnection&#xff0c;\u6dfb\u52a0\u5230\u5185\u6838\u7b49\u4e00\u7cfb\u5217\u52a8\u4f5c&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c01\u88c5\u4e00\u4e2aAddConnection\u51fd\u6570\u5e2e\u6211\u4eec\u5b9e\u73b0\u8fd9\u4e9b\u4f5c\u7528&#xff0c;\u5e76\u4e14\u5c06\u6765\u4e0d\u4ec5\u4ec5\u662flistensock\u9700\u8981\u4f7f\u7528AddConnection&#xff0c;\u5c06\u6765\u65b0\u7684\u8fde\u63a5\u5230\u6765\u4e5f\u9700\u8981\u8fdb\u884c\u8fd9\u4e9b\u5de5\u4f5c&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u5c06\u8fd9\u4e2a\u5de5\u4f5c\u5c01\u88c5\u6210\u4e00\u4e2a\u51fd\u6570AddConnection\u4fbf\u4e8e\u8c03\u7528&#xff0c;\u7531\u4e8e\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u5176\u4e2d\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u9700\u8981\u88ab\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e&#xff0c;\u800c\u5728AddConnection\u4e2d\u6211\u4eec\u5e76\u4e0d\u8fdb\u884c\u8bbe\u7f6e&#xff0c;\u90a3\u4e48\u8fd9\u4e2a\u8bbe\u7f6e\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u4e3a\u975e\u963b\u585e\u7684\u5de5\u4f5cAddConnection\u9ed8\u8ba4\u5728\u8c03\u7528\u4e4b\u524d\u5df2\u7ecf\u5b8c\u6210&#xff0c;\u5373AddConnection\u8ba4\u4e3a\u81ea\u5df1\u5f97\u5230\u7684\u662f\u4e00\u4e2a\u5df2\u7ecf\u88ab\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock<\/li>\n<li>\u90a3\u4e48\u6b64\u65f6\u8981\u8bb2\u89e3Init\u8fd8\u9700\u8981\u4e00\u4e2a\u524d\u7f6e\u6027\u7684\u51fd\u6570AddConnection\u9700\u8981\u5b9e\u73b0&#xff0c;\u53c2\u6570\u6bd4\u8f83\u591a&#xff0c;\u4e0b\u9762\u6211\u4eec\u9010\u4e00\u8fdb\u884c\u8bb2\u89e3&#xff0c;AddConnection\u6709\u521b\u5efa\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5bf9\u5e94\u7684Connection\u5bf9\u8c61&#xff0c;\u5e76\u4e14\u8fdb\u884c\u5176\u4e2d\u7684\u8bbe\u7f6e\u5b57\u6bb5&#xff0c;\u5e76\u4e14\u6dfb\u52a0\u8fde\u63a5\u5230TcpServer\u5230_connections&#xff0c;\u4ee5\u53ca\u5c06\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u4ee5\u53ca\u8981\u5173\u5fc3\u7684\u4e8b\u4ef6\u8bbe\u7f6e\u8fdb\u5185\u6838epoll\u6a21\u578b\u7684\u7ea2\u9ed1\u6811rb_tree&#xff0c;\u5373\u8ba9\u5185\u6838\u5e2e\u6211\u4eec\u5173\u5fc3\u7684sock\u53ca\u5176\u4e8b\u4ef6\u4f5c\u7528&#xff0c;\u5173\u4e8eepoll\u6a21\u578b\u4e2d\u7684rb_tree\u5728\u7b2c\u4e09\u70b9\u4e2d\u8fdb\u884c\u7684\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204011654-69829e06cf633.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"850\" \/><\/li>\n<li>\u90a3\u4e48\u63a5\u4e0b\u6765&#xff0c;\u9996\u5148\u6211\u4eec\u7ed9\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u521b\u5efa\u4e00\u4e2aConnection\u5bf9\u8c61&#xff0c;\u4f20\u53c2sock\u4ee5\u53ca\u4f7f\u7528shared_from_thsi\u4f20\u53c2\u5f53\u524dthis\u6307\u9488\u5728Main.cc\u4e2d\u7684main\u51fd\u6570\u4e2d\u7684\u88abshared_ptr\u7ba1\u7406\u7684TcpServer&#xff0c;\u5e76\u4e14\u8fd9\u4e2aConnection\u5bf9\u8c61\u9700\u8981\u88abshared_ptr\u7ba1\u7406&#xff0c;\u56e0\u4e3a\u8fd9\u4e2aConnection\u5bf9\u8c61\u5c06\u6765\u8981\u653e\u5230_connections\u4e2d&#xff0c;\u6240\u4ee5\u5fc5\u987b\u662fshared_ptr&lt;Connection&gt;&#xff0c;\u56e0\u4e3a_connections\u7684\u7c7b\u578b\u662funordered_map&lt;int, std::shared_ptr&lt;Connection&gt;&gt;<\/li>\n<li>\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u9700\u8981\u7ed9\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5bf9\u5e94\u7684Connection\u5bf9\u8c61\u8bbe\u7f6e\u65b9\u6cd5\u548c\u5b57\u6bb5\u4e86&#xff0c;\u90a3\u4e48\u8c03\u7528SetHandler\u4f20\u5165\u63a5\u6536\u7684\u4e09\u4e2a\u56de\u8c03\u65b9\u6cd5&#xff0c;\u7136\u540e\u5bf9Connection\u5bf9\u8c61\u4e2d\u7684\u516c\u6709\u6210\u5458\u53d8\u91cf_ip\u4ee5\u53ca_port\u8fdb\u884c\u5bf9\u5e94\u7684\u8bbe\u7f6e\u5373\u53ef&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5bf9\u5e94\u7684Connection\u5bf9\u8c61\u5c31\u521d\u59cb\u5316\u4ee5\u53ca\u8bbe\u7f6e\u5b8c\u6210\u4e86<\/li>\n<li>\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u8981\u5c06\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u4ee5\u53ca\u5bf9\u5e94\u7684Connection\u5bf9\u8c61\u6dfb\u52a0\u5230TcpServer\u7684unordered_map\u5bf9\u8c61_connections\u4e2d&#xff0c;\u90a3\u4e48\u8fd9\u91cc\u4f7f\u7528make_pair\u6784\u9020\u51fapair\u5bf9\u8c61&#xff0c;\u7136\u540e\u8c03\u7528unordered_map\u7684insert\u65b9\u6cd5\u63d2\u5165pair\u5bf9\u8c61\u5373\u53ef&#xff0c;\u5f53\u7136\u8fd9\u91cc\u4e5f\u53ef\u4ee5\u4e0d\u4f7f\u7528make_pair\u800c\u662f\u4f7f\u7528{sock, new_connection}\u53bb\u6784\u9020\u5bf9\u8c61\u8fdb\u884c\u4f20\u53c2\u63d2\u5165\u5230unordered_map\u5bf9\u8c61_connections\u4e2d<\/li>\n<li>\u90a3\u4e48\u63a5\u4e0b\u6765\u6211\u4eec\u8fd8\u8981\u5c06\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u4ee5\u53ca\u5bf9\u5e94\u7684event\u4e8b\u4ef6\u6dfb\u52a0\u5230\u5185\u6838\u7684epoll\u6a21\u578b\u7684\u7ea2\u9ed1\u6811rb_tree\u4e2d&#xff0c;\u8ba9\u5185\u6838\u5e2e\u6211\u4eec\u5173\u5fc3\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u4e0a\u7684event\u4e8b\u4ef6&#xff0c;\u90a3\u4e48\u8fd9\u91cc\u4f7f\u7528EpollerUpdata\u5373\u53ef&#xff0c;\u6700\u540e\u6253\u5370\u65e5\u5fd7\u6dfb\u52a0\u4e00\u4e2a\u65b0\u8fde\u63a5\u6210\u529f&#xff0c;\u7136\u540e\u6253\u5370\u65b0\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5373\u53ef<\/li>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">AddConnection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sock<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint32_t<\/span> events<span class=\"token punctuation\">,<\/span> func_t recv_cb<span class=\"token punctuation\">,<\/span> func_t send_cb<span class=\"token punctuation\">,<\/span> func_t except_cb<span class=\"token punctuation\">,<\/span> \\\\<br \/>\n    <span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> ip <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;0.0.0.0&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint16_t<\/span> port <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">new_connection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">Connection<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> <span class=\"token function\">shared_from_this<\/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    new_connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetHandler<\/span><span class=\"token punctuation\">(<\/span>recv_cb<span class=\"token punctuation\">,<\/span> send_cb<span class=\"token punctuation\">,<\/span> except_cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    new_connection<span class=\"token operator\">-&gt;<\/span>_ip <span class=\"token operator\">&#061;<\/span> ip<span class=\"token punctuation\">;<\/span><br \/>\n    new_connection<span class=\"token operator\">-&gt;<\/span>_port <span class=\"token operator\">&#061;<\/span> port<span class=\"token punctuation\">;<\/span><\/p>\n<p>    _connections<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> new_connection<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    _epoller_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">EpollerUpdate<\/span><span class=\"token punctuation\">(<\/span>EPOLL_CTL_ADD<span class=\"token punctuation\">,<\/span> sock<span class=\"token punctuation\">,<\/span> events<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Debug<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;add a new connection success, sockfd: %d&#034;<\/span><span class=\"token punctuation\">,<\/span> sock<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<li>\u90a3\u4e48\u7ecf\u8fc7\u524d\u9762\u90a3\u4e48\u591a\u7684\u524d\u7f6e\u6027\u8bb2\u89e3&#xff0c;\u6211\u4eec\u7ec8\u4e8e\u53ef\u4ee5\u6765\u7f16\u5199\u4e00\u4e0bInit\u521d\u59cb\u5316\u670d\u52a1\u5668\u4e86&#xff0c;\u90a3\u4e48\u9996\u5148\u521b\u5efa\u5957\u63a5\u5b57&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6587\u4ef6\u63cf\u8ff0\u7b26listensock\u5df2\u7ecf\u88ab\u521b\u5efa\u51fa\u6765\u4e86&#xff0c;\u6211\u4eec\u77e5\u9053\u6587\u4ef6\u63cf\u8ff0\u7b26\u9ed8\u8ba4\u90fd\u662f\u963b\u585e\u65b9\u5f0f&#xff0c;\u800c\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u5176\u4e2d\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u9700\u8981\u88ab\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e&#xff0c;\u6240\u4ee5\u6211\u4eec\u4e5f\u9700\u8981\u8c03\u7528SetNonBlockOrDie\u5c06listensock\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e<\/li>\n<li>\u90a3\u4e48\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u7ed9\u670d\u52a1\u5668\u7ed1\u5b9a\u5957\u63a5\u5b57_port&#xff0c;\u7136\u540e\u5c06listensock\u8bbe\u7f6e\u4e3a\u76d1\u542c\u72b6\u6001&#xff0c;\u63a5\u4e0b\u6765\u6253\u5370\u65e5\u5fd7&#xff0c;\u521b\u5efalistensock\u5957\u63a5\u5b57\u6210\u529f&#xff0c;\u5c06listensock\u7684\u503c\u6253\u5370\u51fa\u6765&#xff0c;\u522b\u5fd8\u4e86\u5728\u8c03\u7528AddConnection\u4e4b\u524d\u6211\u4eec\u5df2\u7ecf\u5c06listensock\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e\u4e86&#xff0c;\u7136\u540e\u6211\u4eec\u5c31\u53ef\u4ee5\u8c03\u7528AddConnection\u7ed9\u6587\u4ef6\u63cf\u8ff0\u7b26listensock\u521b\u5efaConnection\u5bf9\u8c61&#xff0c;\u7136\u540e\u5c06Connection\u5bf9\u8c61\u6dfb\u52a0\u8fdb_connections\u4e2d&#xff0c;\u8ba9\u5185\u6838\u5e2e\u6211\u4eec\u5173\u5fc3listensock\u4e0a\u7684EVENT_IN\u4e8b\u4ef6<\/li>\n<li>\u5176\u4e2d\u5173\u4e8e\u8fd9\u4e2aEVENT_IN\u6211\u4eec\u5728\u6587\u7ae0\u6700\u5f00\u59cb\u5df2\u7ecf\u5b9a\u4e49\u8fc7\u4e86\u662fuint32_t EVENT_IN &#061; (EPOLLIN | EPOLLET)&#xff0c;\u5373\u4ee5ET\u6a21\u5f0f\u5e2e\u6211\u4eec\u5173\u5fc3listensock\u4e0a\u7684\u8bfb\u4e8b\u4ef6&#xff0c;\u90a3\u4e48\u5728\u4f20\u5165listensock\u7684\u8bfb\u56de\u8c03&#xff0c;\u5199\u56de\u8c03&#xff0c;\u5f02\u5e38\u56de\u8c03\u7684\u65f6\u5019&#xff0c;\u6211\u4eec\u8981\u4f7f\u7528\u5bf9\u4e8elistensock\u6211\u4eec\u53ea\u5173\u5fc3listensock\u7684\u8bfb\u4e8b\u4ef6&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u53ea\u9700\u8981\u4f20\u5165\u8bfb\u56de\u8c03&#xff0c;\u5bf9\u4e8e\u5199\u56de\u8c03\u548c\u5f02\u5e38\u56de\u8c03\u6211\u4eec\u4e0d\u9700\u8981\u4f20\u5165&#xff0c;\u6240\u4ee5\u5bf9\u4e8e\u5199\u56de\u8c03\u548c\u5f02\u5e38\u56de\u8c03\u6211\u4eec\u4f20\u5165nullptr\u8868\u793alistensock\u7684\u8fde\u63a5\u5bf9\u8c61Connection\u4e0d\u9700\u8981\u8be5\u56de\u8c03\u65b9\u6cd5<\/li>\n<li>\u90a3\u4e48\u5f53listensock\u4e0a\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u7684\u65f6\u5019&#xff0c;\u8868\u793a\u6b64\u65f6\u5ba2\u6237\u7aef\u6765\u8fde\u63a5\u670d\u52a1\u5668&#xff0c;\u6709\u4e86Connection\u5bf9\u8c61\u4e4b\u540e&#xff0c;\u6211\u4eec\u53ef\u4ee5\u5bf9\u8fde\u63a5\u7684\u4efb\u610f\u8fdb\u884c\u64cd\u4f5c&#xff0c;\u800c_connection\u4e2d\u7684Connection\u5bf9\u8c61\u662f\u88abshared_ptr\u6240\u7ba1\u7406\u7684&#xff0c;\u6240\u4ee5Accepter\u7684\u53c2\u6570\u662fshared_ptr&lt;Connection&gt;&#xff0c;\u6211\u4eec\u9700\u8981\u8c03\u7528\u8fde\u63a5\u7ba1\u7406\u5668Accepter\u5c06\u8fde\u63a5\u4ece\u5e95\u5c42tcp\u7684\u5168\u8fde\u63a5\u961f\u5217\u4e2d\u83b7\u53d6\u4e0a\u6765&#xff0c;\u5f97\u5230\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock<\/li>\n<li>\u4f46\u662f\u8fd9\u4e2aAccepter\u7684TcpServer\u7c7b\u5185\u7684\u6210\u5458\u51fd\u6570&#xff0c;\u6210\u5458\u51fd\u6570\u4e0d\u80fd\u76f4\u63a5\u4f5c\u4e3a\u51fd\u6570\u65b9\u6cd5\u8fdb\u884c\u4f20\u53c2\u8c03\u7528&#xff0c;\u8fd9\u91cc\u9700\u8981\u4f7f\u7528\u5305\u88c5\u5668bind&#xff0c;\u7b2c\u4e8c\u70b9\u4e2d\u5173\u4e8ebind&#xff0c;\u6210\u5458\u51fd\u6570\u7684\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528bind\u5305\u88c5\u5668\u8fdb\u884c\u4f20\u53c2\u7c7b\u5185\u7684\u6210\u5458\u51fd\u6570Accepter\u5373\u53ef&#xff0c;\u53d6\u5730\u5740\u58f0\u660e\u662fTcpServer\u7684\u6210\u5458\u51fd\u6570Accepter&#xff0c;\u7136\u540e\u4f20\u5165\u8c03\u7528\u7684\u6307\u9488&#xff0c;\u8fd9\u91cc\u4f7f\u7528this\u6307\u9488\u5145\u5f53\u5373\u53ef&#xff0c;\u6700\u540e\u7ed1\u5b9a\u7b2c\u4e00\u4e2a\u53c2\u6570\u5373\u53ef<\/li>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    _listensock_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Socket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">SetNonBlockOrDie<\/span><span class=\"token punctuation\">(<\/span>_listensock_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Fd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    _listensock_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Bind<\/span><span class=\"token punctuation\">(<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    _listensock_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Listen<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Info<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;create listen socket success, listensock: %d&#034;<\/span><span class=\"token punctuation\">,<\/span> _listensock_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Fd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">AddConnection<\/span><span class=\"token punctuation\">(<\/span>_listensock_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Fd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> EVENT_IN<span class=\"token punctuation\">,<\/span> \\\\<br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TcpServer<span class=\"token double-colon punctuation\">::<\/span>Accepter<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>placeholders<span class=\"token double-colon punctuation\">::<\/span>_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">nullptr<\/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\">Accepter<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span> connection<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<li>\u6240\u4ee5\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u5f00\u59cb\u7f16\u5199Accepter&#xff0c;Accepter\u662f\u8fde\u63a5\u7ba1\u7406\u5668&#xff0c;\u6240\u4ee5\u5f53Accepter\u88ab\u8c03\u7528\u7684\u65f6\u5019&#xff0c;\u4e5f\u5c31\u610f\u5473\u7740\u6709\u8fde\u63a5\u5230\u6765\u4e86&#xff0c;\u9700\u8981\u6211\u4eec\u4f7f\u7528accept\u5c06\u8fde\u63a5\u83b7\u53d6\u4e0a\u6765&#xff0c;\u90a3\u4e48\u6709\u53ef\u80fd\u540c\u4e00\u65f6\u95f4\u6709\u5f88\u591a\u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668&#xff0c;\u6240\u4ee5\u4e5f\u5c31\u540c\u65f6\u6709\u5f88\u591a\u7684\u8fde\u63a5\u5230\u6765<\/li>\n<li>\u6240\u4ee5\u4e5f\u5c31\u610f\u5473\u7740\u5e95\u5c42\u7684tcp\u7684\u5168\u8fde\u63a5\u961f\u5217\u4e2d\u6709\u5f88\u591a\u8fde\u63a5\u5bf9\u8c61\u9700\u8981\u6211\u4eec\u8c03\u7528accept\u5c06\u5176\u83b7\u53d6\u4e0a\u6765\u5173\u8054\u5230\u6587\u4ef6\u6253\u5f00\u5bf9\u8c61\u4e2d&#xff0c;\u5e76\u4e14\u5411\u4e0a\u8fd4\u56de\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock&#xff0c;\u65e2\u7136\u6709\u5f88\u591a\u8fde\u63a5&#xff0c;\u522b\u5fd8\u4e86\u6211\u4eec\u662f\u5728ET\u6a21\u5f0f\u4e0b\u8fd0\u884c\u7684epoll&#xff0c;\u5e76\u4e14listensock\u4e4b\u524d\u4e5f\u88ab\u6211\u4eec\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e\u4e86&#xff0c;\u6240\u4ee5\u6211\u4eec\u8981\u5faa\u73af\u8bfb\u53d6&#xff0c;\u76f4\u5230\u51fa\u9519\u624d\u53ef\u4ee5\u5c06\u5e95\u5c42\u7684\u8fde\u63a5\u5168\u90e8\u83b7\u53d6\u4e0a\u6765<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u8c03\u7528accept\u5c06\u8fde\u63a5\u83b7\u53d6\u4e0a\u6765&#xff0c;\u5c0f\u7f16\u8c03\u7528\u7684accept\u524d\u9762\u52a0\u4e86::\u662f\u6307\u5b9a\u91c7\u7528\u7cfb\u7edf\u8c03\u7528\u7684\u8bed\u6cd5&#xff0c;\u8fd9\u91cc\u7684::\u5e76\u4e0d\u662f\u9519\u8bef&#xff0c;\u90a3\u4e48\u5bf9\u4e8eaccept\u7684\u4f7f\u7528\u5176\u5b9e\u6211\u4eec\u4e4b\u524d\u5df2\u7ecf\u5c01\u88c5\u5728\u4e86Socket.hpp\u6587\u4ef6\u7684Sock\u7c7b\u7684Accepter\u5bf9\u8c61\u4e2d&#xff0c;\u5173\u4e8eSocket.hpp\u5957\u63a5\u5b57\u7684\u8bb2\u89e3&#xff0c;\u5728\u7b2c\u4e09\u70b9\u7684TCP\u670d\u52a1\u5668\u7684Socket.hpp\u8fdb\u884c\u7684\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014<\/li>\n<li>\u90a3\u4e48\u8fd9\u91cc\u6211\u4eec\u5c31\u76f4\u63a5\u62ff\u6765\u4f7f\u7528\u4e86&#xff0c;\u6240\u4ee5\u6211\u4eec\u6b64\u65f6\u8c03\u7528accept\u5c06\u8fde\u63a5\u83b7\u53d6\u4e0a\u6765&#xff0c;accept\u5982\u679c\u83b7\u53d6\u8fde\u63a5\u6210\u529f&#xff0c;\u90a3\u4e48accept\u7684\u8fd4\u56de\u503c\u5c31\u662f\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock&#xff0c;\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u7684\u672c\u8d28\u662f\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868\u7684\u6570\u7ec4\u4e0b\u6807&#xff0c;\u6570\u7ec4\u4e0b\u6807\u662f\u4ece0\u5f00\u59cb\u7684&#xff0c;\u6240\u4ee5\u4e5f\u5c31\u610f\u5473\u7740\u5982\u679caccept\u7684\u8fd4\u56de\u503c\u5982\u679c\u662f\u4e00\u4e2a\u5927\u4e8e\u7b49\u4e8e0\u7684\u6570&#xff0c;\u90a3\u4e48\u5c31\u8868\u793a\u6b64\u65f6accept\u83b7\u53d6\u8fde\u63a5\u6210\u529f<\/li>\n<li>\u65e2\u7136\u83b7\u53d6\u8fde\u63a5\u6210\u529f&#xff0c;\u90a3\u4e48\u6211\u4eec\u5c31\u53ef\u4ee5\u4ecepeer\u4e2d\u5f97\u5230\u5ba2\u6237\u7aef\u7684\u7aef\u53e3\u53f7port\u4ee5\u53caip\u5730\u5740&#xff0c;\u7136\u540e\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u5c06\u5ba2\u6237\u7aef\u7684\u4fe1\u606f\u901a\u8fc7\u65e5\u5fd7\u7684\u5f62\u5f0f\u6253\u5370\u51fa\u6765\u4e86&#xff0c;\u63a5\u4e0b\u6765\u65e2\u7136\u7ecf\u8fc7\u5224\u65ad\u6210\u529f\u7684\u83b7\u53d6\u5230\u4e86\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26sock&#xff0c;\u90a3\u4e48\u522b\u5fd8\u4e86\u6211\u4eec\u8981\u5b9e\u73b0\u7684\u662f\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u5b9e\u73b0reactor\u53cd\u5e94\u5806&#xff0c;\u800cepoll\u60f3\u8981\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684\u524d\u63d0\u5c31\u662f\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u8981\u88ab\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u5c31\u8981\u8c03\u7528SetNonBlockOrDie\u5c06\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e\u4e86<\/li>\n<li>\u63a5\u4e0b\u6765\u81ea\u7136\u7684\u6211\u4eec\u5c31\u53ef\u4ee5\u8c03\u7528AddConnection&#xff0c;\u521b\u5efa\u5e76\u6dfb\u52a0\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5bf9\u5e94\u7684Connection\u5bf9\u8c61\u81f3_connections\u4e2d&#xff0c;\u5e76\u4e14\u8ba9\u5185\u6838\u5e2e\u6211\u4eec\u5173\u5fc3\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u53ca\u5176\u4e8b\u4ef6&#xff0c;\u90a3\u4e48\u8fd9\u91cc\u6211\u4eec\u662f\u8981\u5185\u6838epoll\u4ee5ET\u6a21\u5f0f\u5173\u5fc3\u7684\u662f\u8fde\u63a5\u4e0a\u7684\u8bfb\u4e8b\u4ef6&#xff0c;\u6240\u4ee5\u6211\u4eec\u4f20\u5165EVENT_IN&#xff0c;\u5176\u4e2d\u5173\u4e8e\u8fd9\u4e2aEVENT_IN\u6211\u4eec\u5728\u6587\u7ae0\u6700\u5f00\u59cb\u5df2\u7ecf\u5b9a\u4e49\u8fc7\u4e86\u662fuint32_t EVENT_IN &#061; (EPOLLIN | EPOLLET)&#xff0c;\u5373\u4ee5ET\u6a21\u5f0f\u5e2e\u6211\u4eec\u5173\u5fc3\u6587\u4ef6\u63cf\u8ff0sock\u4e0a\u7684\u8bfb\u4e8b\u4ef6<\/li>\n<li>\u63a5\u4e0b\u6765\u6211\u4eec\u4f20\u5165\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u7684\u8bfb\u56de\u8c03Recver&#xff0c;\u5199\u56de\u8c03Sender&#xff0c;\u5f02\u5e38\u56de\u8c03Excepter&#xff0c;\u5e76\u4e14\u7531\u4e8e\u8fd9\u4e09\u4e2a\u56de\u8c03\u90fd\u662fTcpServer\u7684\u6210\u5458\u51fd\u6570&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u540c\u6837\u9700\u8981\u4f7f\u7528bind\u7ed1\u5b9a\u4e4b\u540e\u624d\u80fd\u4f5c\u4e3a\u53c2\u6570\u8fdb\u884c\u4f20\u53c2\u4ee5\u53ca\u540e\u7eed\u7684\u8c03\u7528&#xff0c;\u90a3\u4e48\u6700\u540e\u4f20\u5165\u5ba2\u6237\u7aef\u7684ip\u5730\u5740\u4ee5\u53ca\u7aef\u53e3\u53f7port\u5373\u53ef&#xff0c;\u4f46\u662f\u6211\u4eec\u76ee\u524d\u8ba8\u8bba\u662f\u4ecd\u7136\u662f\u5f53accept\u6210\u529f\u83b7\u53d6\u5230\u8fde\u63a5\u5e76\u4e14\u8fd4\u56de\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u7684\u60c5\u51b5&#xff0c;\u5982\u679caccept\u83b7\u53d6\u5931\u8d25\u4e86&#xff0c;\u90a3\u4e48\u5c31\u4f1a\u8fd4\u56de-1\u8868\u793a\u83b7\u53d6\u51fa\u9519&#xff0c;\u5373\u8fdb\u5165else\u7684\u903b\u8f91<\/li>\n<li>\u6240\u4ee5\u5728else\u4e2d&#xff0c;\u9996\u5148\u6211\u4eec\u53ef\u4ee5\u80af\u5b9a&#xff0c;\u672c\u6b21accept\u4e2d\u6ca1\u6709\u83b7\u53d6\u5230\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock&#xff0c;\u90a3\u4e48\u6709\u5f88\u591a\u7684\u60c5\u51b5&#xff0c;\u522b\u5fd8\u4e86\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u5f53\u6587\u4ef6\u63cf\u8ff0\u7b26\u5c31\u7eea\u7684\u65f6\u5019&#xff0c;\u9700\u8981\u4e00\u76f4\u8bfb\u53d6&#xff0c;\u76f4\u5230\u51fa\u9519&#xff0c;\u5e76\u4e14\u51fa\u9519\u7684\u65f6\u5019\u9519\u8bef\u7801\u88ab\u8bbe\u7f6e\u4e3aEWOULDBLOCK&#xff0c;\u5982\u679c\u9519\u8bef\u7801\u662fEWOULDBLOCK\u90a3\u4e48\u8868\u793a\u6b64\u65f6\u5e95\u5c42\u6240\u6709\u7684\u8fde\u63a5\u5df2\u7ecf\u88ab\u6211\u4eec\u6b63\u5e38\u83b7\u53d6\u5b8c\u6210\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eecbreak\u9000\u51fawhile\u5faa\u73af\u5373\u53ef<\/li>\n<li>\u90a3\u4e48\u5982\u679c\u9519\u8bef\u7801\u662fEINTR\u8868\u793a\u6b63\u5728\u83b7\u53d6\u8fde\u63a5\u7684\u65f6\u5019\u88ab\u4fe1\u53f7\u7b49\u6253\u65ad&#xff0c;\u6240\u4ee5\u5e95\u5c42\u4ecd\u7136\u6709\u8fde\u63a5\u6ca1\u6709\u83b7\u53d6\u5b8c\u6210&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eeccontinue\u7ee7\u7eed\u8c03\u7528accept\u83b7\u53d6\u8fde\u63a5\u5373\u53ef&#xff0c;\u90a3\u4e48\u5982\u679c\u9519\u8bef\u7801\u662f\u5176\u5b83\u7684\u60c5\u51b5&#xff0c;\u90a3\u4e48\u8868\u793a\u6b64\u65f6accept\u771f\u7684\u83b7\u53d6\u8fde\u63a5\u5931\u8d25\u4e86&#xff0c;\u5373accept\u83b7\u53d6\u8fde\u63a5\u771f\u7684\u51fa\u9519\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u540c\u6837break\u9000\u51fawhile\u5faa\u73af<\/li>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Accepter<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span> connection<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 boolean\">true<\/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\">sockaddr_in<\/span> peer<span class=\"token punctuation\">;<\/span><br \/>\n        socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> sock <span class=\"token operator\">&#061;<\/span> <span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span>connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SockFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>sock <span class=\"token operator\">&gt;&#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 keyword\">uint16_t<\/span> port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ntohs<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">char<\/span> ip<span class=\"token punctuation\">[<\/span><span class=\"token number\">128<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">inet_ntop<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> ip<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>ip<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Debug<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;get a new client, get info -&gt; [%s:%d], sockfd: %d&#034;<\/span><span class=\"token punctuation\">,<\/span> ip<span class=\"token punctuation\">,<\/span> port<span class=\"token punctuation\">,<\/span> sock<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token function\">SetNonBlockOrDie<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token function\">AddConnection<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> EVENT_IN<span class=\"token punctuation\">,<\/span> \\\\<br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TcpServer<span class=\"token double-colon punctuation\">::<\/span>Recver<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>placeholders<span class=\"token double-colon punctuation\">::<\/span>_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> \\\\<br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TcpServer<span class=\"token double-colon punctuation\">::<\/span>Sender<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>placeholders<span class=\"token double-colon punctuation\">::<\/span>_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> \\\\<br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TcpServer<span class=\"token double-colon punctuation\">::<\/span>Excepter<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>placeholders<span class=\"token double-colon punctuation\">::<\/span>_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> \\\\<br \/>\n                ip<span class=\"token punctuation\">,<\/span> port<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 punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EWOULDBLOCK<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">break<\/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> EINTR<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n                <span class=\"token keyword\">break<\/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><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Recver<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span> connection<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">Sender<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span> connection<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">Excepter<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span> connection<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<h5>\u6d4b\u8bd5<\/h5>\n<li>\u6240\u4ee5\u81f3\u6b64\u6211\u4eec\u7b2c\u4e00\u9636\u6bb5\u5b8c\u6210&#xff0c;\u5df2\u7ecf\u5c06\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u5b9e\u73b0reactor\u53cd\u5e94\u5806\u7684\u57fa\u672c\u6846\u67b6\u642d\u5efa\u51fa\u6765\u4e86&#xff0c;\u5e76\u4e14\u6211\u4eec\u5728\u4ee3\u7801\u903b\u8f91\u4e2d\u4f7f\u7528\u4e86\u8fde\u63a5\u7ba1\u7406\u5668Accepter\u4f5c\u4e3alistensock&#xff0c;\u90a3\u4e48listensock\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u7684\u65f6\u5019&#xff0c;\u610f\u5473\u7740\u6709\u5ba2\u6237\u7aef\u6765\u8fdb\u884c\u8fde\u63a5<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u7684\u4ee3\u7801\u7a76\u7adf\u662f\u5426\u53ef\u4ee5\u8fd0\u884c&#xff0c;\u5f53listensock\u5c31\u7eea\u7684\u65f6\u5019&#xff0c;\u5e76\u4e14\u8c03\u7528\u8bfb\u4e8b\u4ef6\u7684\u56de\u8c03\u53bb\u6267\u884cAccepter\u5c06\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u83b7\u53d6\u4e0a\u6765&#xff0c;\u5728Accepter\u5185\u90e8\u8c03\u7528AddConnection&#xff0c;\u521b\u5efa\u5e76\u6dfb\u52a0\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5bf9\u5e94\u7684Connection\u5bf9\u8c61\u81f3_connections\u4e2d&#xff0c;\u5e76\u4e14\u8ba9\u5185\u6838\u5e2e\u6211\u4eec\u5173\u5fc3\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u53ca\u5176\u4e8b\u4ef6<\/li>\n<li>\u6211\u4eec\u671f\u671b\u5728PrintConnection\u4e2d\u6253\u5370\u7684\u7528\u6237\u5c42\u7ef4\u62a4\u7684_connections\u4e2d\u786e\u5b9e\u6dfb\u52a0\u4e86\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5728\u4e0b\u56fe\u5de6\u4fa7\u8fd0\u884c\u670d\u52a1\u5668&#xff0c;\u5e76\u4e14\u5728\u4e0b\u56fe\u53f3\u4fa7\u4f7f\u7528telnet\u5145\u5f53\u5ba2\u6237\u7aef\u6765\u8fde\u63a5\u670d\u52a1\u5668&#xff0c;\u89c2\u5bdf\u73b0\u8c61 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204011655-69829e075cbb4.gif\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u6700\u5f00\u59cb\u6211\u4eec\u8fd0\u884c\u670d\u52a1\u5668&#xff0c;\u670d\u52a1\u5668\u6210\u529f\u7684\u521b\u5efa\u4e86epoll\u6a21\u578b&#xff0c;listen\u5957\u63a5\u5b57&#xff0c;\u5e76\u4e14\u5c06listensock\u5bf9\u5e94\u76844\u53f7\u6587\u4ef6\u63cf\u8ff0\u7b26\u53ca\u5176Connection\u5bf9\u8c61\u6dfb\u52a0\u5230\u4e86_connections\u4e2d&#xff0c;\u90a3\u4e48\u63a5\u4e0b\u6765\u5c0f\u7f16\u8ba9\u53f3\u4fa7\u7684\u4f1a\u8bdd\u4e00\u4f7f\u7528telnet\u5145\u5f53\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668&#xff0c;\u6b64\u65f6\u6210\u529f\u7684\u5c06\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u83b7\u53d6\u4e0a\u6765&#xff0c;\u5e76\u4e14\u5c065\u53f7\u6587\u4ef6\u63cf\u8ff0\u7b26\u53ca\u5176Connection\u5bf9\u8c61\u6dfb\u52a0\u5230\u6dfb\u52a0\u5230\u4e86_connections\u4e2d<\/li>\n<li>\u540c\u7406\u53f3\u4fa7\u4f1a\u8bdd\u4e8c\u4f7f\u7528telnet\u5145\u5f53\u5ba2\u6237\u7aef\u4e5f\u662f\u5982\u6b64&#xff0c;\u5c066\u53f7\u6587\u4ef6\u63cf\u8ff0\u7b26\u53ca\u5176Connection\u5bf9\u8c61\u6dfb\u52a0\u5230\u6dfb\u52a0\u5230\u4e86_connections\u4e2d&#xff0c;\u90a3\u4e483\u53f7\u6587\u4ef6\u63cf\u8ff0\u7b26\u662f\u4ec0\u4e48&#xff1f;\u662fepoll\u6a21\u578b\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26epfd\u4e3a3&#xff0c;\u56e0\u4e3aepoll\u6a21\u578b\u6bd4listensock\u521b\u5efa\u7684\u8981\u65e9&#xff0c;\u6240\u4ee5epoll\u6a21\u578b\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u662f3\u53f7<\/li>\n<li>\u6240\u4ee5\u8fd0\u884c\u7ed3\u679c\u6210\u529f&#xff0c;\u6211\u4eec\u7b2c\u4e00\u9636\u6bb5\u5b8c\u6210&#xff0c;\u5df2\u7ecf\u5c06\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u5b9e\u73b0reactor\u53cd\u5e94\u5806\u7684\u57fa\u672c\u6846\u67b6\u642d\u5efa\u51fa\u6765\u4e86&#xff0c;\u786e\u4fdd\u4e86TcpServer\u670d\u52a1\u5668\u53ef\u4ee5\u6b63\u5e38\u83b7\u53d6\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5<\/li>\n<h3>\u4e09\u3001\u7b2c\u4e8c\u9636\u6bb5&#xff0c;\u5f15\u5165\u4e1a\u52a1\u534f\u8bae<\/h3>\n<li>\u90a3\u4e48\u5728\u7b2c\u4e8c\u9636\u6bb5&#xff0c;\u5c0f\u7f16\u4f1a\u5b8c\u6210TcpServer\u7c7b\u7684\u8bfb\u56de\u8c03Recver&#xff0c;\u5199\u56de\u8c03Sender&#xff0c;\u5f02\u5e38\u56de\u8c03Excepter&#xff0c;\u7136\u540e\u5f15\u5165\u4e1a\u52a1\u534f\u8bae&#xff0c;\u90a3\u4e48\u8fd9\u4e2a\u4e1a\u52a1&#xff0c;\u6211\u4eec\u9009\u62e9\u7f51\u7edc\u7248\u672c\u8ba1\u7b97\u5668\u7684\u534f\u8bae&#xff0c;\u5173\u4e8e\u7f51\u7edc\u7248\u672c\u8ba1\u7b97\u5668\u7684\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014<\/li>\n<h4>TcpServer<\/h4>\n<li>\u4e0b\u9762\u6211\u4eec\u8981\u5f00\u59cb\u7f16\u5199Recver\u4e86&#xff0c;\u5176\u4e2dRecver\u4e5f\u53eb\u505a\u4e8b\u4ef6\u7ba1\u7406\u5668&#xff0c;\u5f53\u8c03\u7528Recver\u7684\u65f6\u5019\u610f\u5473\u7740\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u4e86&#xff0c;\u90a3\u4e48\u5728Recver\u4e2d\u9700\u8981\u5c06\u5904\u4e8e\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u7684tcp\u7684\u63a5\u6536\u7f13\u51b2\u533a\u4e2d\u5c06\u6570\u636e\u8bfb\u53d6\u4e0a\u6765\u653e\u5230\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5bf9\u5e94\u7684Connection\u5bf9\u8c61\u4e2d\u7684\u8f93\u5165\u7f13\u51b2\u533a_inbuffer\u4e2d&#xff0c;\u90a3\u4e48\u95ee\u9898\u6765\u4e86&#xff0c;\u90a3\u4e48\u6211\u4eec\u5728TcpServer\u4e2d\u662f\u5426\u5e94\u8be5\u5173\u5fc3\u6570\u636e\u7684\u683c\u5f0f&#xff0c;\u5373\u8bfb\u53d6\u4e0a\u6765\u653e\u5728_inbuffer\u4e2d\u7684\u6570\u636e&#xff0c;\u5373\u6570\u636e\u7684\u5404\u4e2a\u534f\u8bae\u5b57\u6bb5&#xff0c;\u6570\u636e\u662f\u5426\u53ef\u4ee5\u6784\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u62a5\u6587\u5462&#xff1f;<\/li>\n<li>\u4e0d\u5e94\u8be5&#xff0c;\u56e0\u4e3aTcpServer.hpp\u662f\u7528\u4e8e\u5904\u7406IO\u7684&#xff0c;IO\u4ec5\u4ec5\u662f\u8d1f\u8d23\u5c06\u6570\u636e\u63a5\u6536\u8fc7\u6765\u653e\u5230_inbuffer\u4e2d&#xff0c;\u6216\u8005\u5c06\u6570\u636e\u53d1\u9001\u51fa\u53bb&#xff0c;\u5373TcpServer\u4ec5\u4ec5\u662f\u7528\u4e8e\u5904\u7406IO\u7684&#xff0c;\u5bf9\u4e8e\u6570\u636e\u7684\u683c\u5f0f&#xff0c;_inbuffer\u4e2d\u7684\u6570\u636e\u662f\u5426\u53ef\u4ee5\u6784\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u62a5\u6587\u8fd9\u4e9b\u4e0d\u662fTcpServer\u8981\u5173\u5fc3\u7684&#xff0c;\u90a3\u4e48\u8c01\u6765\u5173\u5fc3\u5462&#xff1f;<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u8981\u5f15\u5165\u7528\u6237\u5c42\u7684\u4e1a\u52a1\u4e86&#xff0c;\u4e1a\u52a1\u662f\u7f51\u7edc\u7248\u672c\u8ba1\u7b97\u5668&#xff0c;\u90a3\u4e48\u5728TcpServer\u5185\u90e8\u6211\u4eec\u4e5f\u671f\u671b\u6709\u4e00\u4e2a\u79c1\u6709\u6210\u5458\u53d8\u91cf_OnMessage\u53ef\u4ee5\u76f4\u63a5\u56de\u8c03\u4e0a\u5c42\u7684\u4e1a\u52a1\u5904\u7406\u65b9\u6cd5&#xff0c;\u5373\u5728TcpServer\u5185\u90e8\u8c03\u7528_OnMessage\u7684\u65f6\u5019&#xff0c;\u610f\u5473\u7740\u544a\u8bc9\u4e0a\u5c42&#xff0c;\u4f60\u8981\u6211\u63a5\u6536\u5230\u6570\u636e\u6211\u5df2\u7ecf\u63a5\u53d7\u5b8c\u4e86&#xff0c;\u6211\u7684\u5de5\u4f5c\u5df2\u7ecf\u5b8c\u6210\u4e86&#xff0c;\u4e0b\u9762\u7684\u5de5\u4f5c\u5c31\u8be5\u8ba9\u4f60\u4e0a\u5c42\u53bb\u5904\u7406\u4fe1\u606f\u4e86&#xff0c;\u68c0\u6d4b_inbuffer\u662f\u5426\u53ef\u4ee5\u6784\u6210\u4e00\u4e2a\u6216\u591a\u4e2a\u5b8c\u6574\u7684\u62a5\u6587&#xff0c;\u5982\u679c\u53ef\u4ee5&#xff0c;\u90a3\u4e48\u5c31\u76f4\u63a5\u5904\u7406&#xff0c;\u5982\u679c\u4e0d\u80fd\u6784\u6210&#xff0c;\u90a3\u4e48\u5c31\u76f4\u63a5\u8fd4\u56de <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204011656-69829e082c1c2.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<li>\u90a3\u4e48\u65e2\u7136\u6d89\u53ca\u5230\u4e86\u534f\u8bae\u7684\u5b9a\u4e49&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u5c31\u5f15\u5165\u5f53\u521d\u5728\u7f51\u7edc\u7248\u672c\u8ba1\u7b97\u5668\u90a3\u91cc\u5b9a\u5236\u7684\u534f\u8bae&#xff0c;\u5173\u4e8e\u7f51\u7edc\u7248\u672c\u8ba1\u7b97\u5668\u7684\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014&#xff0c;\u5e8f\u5217\u5316&#xff0c;\u53cd\u5e8f\u5217\u5316&#xff0c;\u89e3\u7801&#xff0c;\u8f6c\u7801\u7684\u534f\u8bae\u5728Protocol.hpp\u4e2d&#xff0c;\u5ba2\u6237\u7aef\u7684\u534f\u8bae\u5728ClientCal.cc\u4e2d&#xff0c;\u4ee5\u53ca\u670d\u52a1\u5668\u7684\u534f\u8bae\u5728Servercal.hpp&#xff0c;\u90a3\u4e48\u6211\u4eec\u7edf\u7edf\u62f7\u8d1d\u5230\u5f53\u524d\u76ee\u5f55\u4e0b\u5373\u53ef&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u5f15\u5165\u4e1a\u52a1\u534f\u8bae\u4e86&#xff0c;\u4ee5\u53ca\u7ed9TcpServer\u5f15\u5165\u4e00\u4e2a\u4e1a\u52a1\u5904\u7406\u7684\u79c1\u6709\u6210\u5458\u53d8\u91cf\u7684\u56de\u8c03\u51fd\u6570_OnMessage\u4e86<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u7ed9TcpServer\u65b0\u589e\u4e00\u4e2a\u7c7b\u578b\u4e3afunc_t\u7c7b\u578b\u7684\u79c1\u6709\u6210\u5458\u53d8\u91cf_OnMessage&#xff0c;\u53ef\u662f\u8fd9\u91cc\u4e3a\u4ec0\u4e48_OnMessage\u7684\u7c7b\u578b\u662ffunc_t\u5462&#xff1f;\u56e0\u4e3a\u8fd9\u4e2a\u7c7b\u578b\u4e3ausing func_t &#061; std::function&lt;void(std::shared_ptr&lt;Connection&gt;)&gt;&#xff0c;\u5373\u53ef\u4ee5\u4f20\u9012Connection\u5bf9\u8c61&#xff0c;\u90a3\u4e48\u6709\u4e86Connection\u5bf9\u8c61&#xff0c;\u5176\u4e2d\u7684\u65e0\u8bba\u662f\u60f3\u8981\u5728_inbuffer\u4e2d\u83b7\u53d6\u6216\u8005\u65b0\u589e\u8fd8\u662f\u5220\u9664\u6570\u636e\u90fd\u53ef\u4ee5\u505a\u5230&#xff0c;\u5e76\u4e14\u540c\u6837\u5bf9_outbuffer\u4e5f\u662f\u5982\u6b64&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u7684\u56de\u8c03_OnMessage\u7684\u7c7b\u578b\u4e00\u5b9a\u8981\u662ffunc_t&#xff0c;\u90a3\u4e48\u4e3a\u4ec0\u4e48\u8981\u5bf9_inbuffer\u6216\u8005_outbuffer\u64cd\u4f5c\u5462&#xff1f;<\/li>\n<li>\u4ee5_inbuffer\u4e3a\u4f8b&#xff0c;\u56e0\u4e3a\u4e0a\u5c42\u534f\u8bae\u8981\u7684\u6570\u636e\u5c31\u7eea\u4e86&#xff0c;TcpServer\u5df2\u7ecf\u5e2e\u4e0a\u5c42\u5c06\u6570\u636e\u63a5\u6536\u5230\u4e86\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5bf9\u5e94\u7684Connection\u5bf9\u8c61\u7684_inbuffer\u4e2d\u4e86&#xff0c;\u90a3\u4e48\u4e0a\u5c42\u5df2\u7ecf\u5b9a\u5236\u4e86\u534f\u8bae&#xff0c;\u77e5\u9053\u5982\u4f55\u6570\u636e\u662f\u5426\u53ef\u4ee5\u6784\u6210\u4e00\u4e2a\u6216\u8005\u591a\u4e2a\u5b8c\u6574\u7684\u62a5\u6587&#xff0c;\u77e5\u9053\u5982\u4f55\u5bf9\u62a5\u6587\u8fdb\u884c\u5904\u7406&#xff0c;\u89e3\u7801&#xff0c;\u53cd\u5e8f\u5217\u5316&#xff0c;\u5e8f\u5217\u5316&#xff0c;\u8f6c\u7801\u7b49\u64cd\u4f5c&#xff0c;\u6240\u4ee5\u4e0a\u5c42\u6211\u4eec\u8fd9\u91cc\u5fc5\u987b\u8981\u5bf9Connection\u5bf9\u8c61\u4e2d\u7684_inbuffer\u6216\u8005_outbuffer\u8fdb\u884c\u64cd\u4f5c<\/li>\n<li>TcpServer\u6b64\u65f6\u5df2\u7ecf\u65b0\u589e\u4e86\u7c7b\u578b\u4e3afunc_t\u7684\u79c1\u6709\u6210\u5458\u53d8\u91cf_OnMessage&#xff0c;\u5e76\u4e14\u671f\u671b\u4e0a\u5c42Main.cc\u7684main\u51fd\u6570\u5728\u521b\u5efaTcpServer\u5bf9\u8c61\u7684\u65f6\u5019\u5c31\u4f20\u5165\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\u53ef\u4ee5\u4f9bTcpServer\u5728\u4e0b\u5c42\u56de\u8c03\u4f7f\u7528&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u5728TcpServer\u7684\u6784\u9020\u51fd\u6570\u65b0\u589e\u4e00\u4e2afunc_t\u7684\u53c2\u6570OnMessage\u7528\u4e8e\u63a5\u6536\u4e0a\u5c42\u7684\u56de\u8c03&#xff0c;\u5e76\u4e14\u63a5\u6536\u5b8c\u6210\u4f7f\u7528OnMessage\u8d4b\u503c\u521d\u59cb\u5316TcpServer\u7684\u79c1\u6709\u6210\u5458\u53d8\u91cf_OnMessage<\/li>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TcpServer<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token class-name\">enable_shared_from_this<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">TcpServer<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">nocopy<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> num <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">64<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint16_t<\/span> port<span class=\"token punctuation\">,<\/span> func_t OnMessage<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_quit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span> <span class=\"token function\">_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span> <span class=\"token function\">_listensock_ptr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">Sock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span> <span class=\"token function\">_epoller_ptr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">Epoller<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span> <span class=\"token function\">_OnMessage<\/span><span class=\"token punctuation\">(<\/span>OnMessage<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> _quit<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">uint16_t<\/span> _port<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Sock<span class=\"token operator\">&gt;<\/span> _listensock_ptr<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Epoller<span class=\"token operator\">&gt;<\/span> _epoller_ptr<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>unordered_map<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;&gt;<\/span> _connections<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> _revs<span class=\"token punctuation\">[<\/span>num<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8ba9\u4e0a\u5c42\u5904\u7406\u4fe1\u606f<\/span><br \/>\n    func_t _OnMessage<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>Main.cc<\/h4>\n<li>\u90a3\u4e48\u63a5\u4e0b\u6765\u5728Main.cc\u6587\u4ef6\u4e2d\u6211\u4eec\u5305\u597d\u670d\u52a1\u5668\u7aef\u7684\u4e0a\u5c42\u534f\u8bae\u7684\u5934\u6587\u4ef6#include &#034;ServerCal.hpp&#034;\u7528\u4e8e\u5904\u7406\u4e1a\u52a1&#xff0c;\u63a5\u4e0b\u6765\u5bf9\u4e8e\u5904\u7406\u4e1a\u52a1\u7684\u7c7bServerCal\u6211\u4eec\u5b9a\u4e49\u4e00\u4e2a\u5168\u5c40\u5bf9\u8c61calculator&#xff0c;\u90a3\u4e48\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u5f00\u59cb\u7f16\u5199\u4e1a\u52a1\u5904\u7406\u7684\u51fd\u6570DefaultOnMessage&#xff0c;\u90a3\u4e48\u53c2\u6570\u4e3ashared_ptr&lt;Connection&gt;\u7c7b\u578b\u7684connection<\/li>\n<li>\u90a3\u4e48\u63a5\u4e0b\u6765\u6211\u4eec\u6253\u5370\u4e00\u4e0bConnection\u5bf9\u8c61\u4e2d\u7684_inbuffer\u7684\u5185\u5bb9&#xff0c;\u7136\u540e\u4f20\u53c2connection-&gt;InBuffer()&#xff0c;\u90a3\u4e48InBuffer\u7684\u8fd4\u56de\u503c\u662f_inbuffer\u7684\u5f15\u7528&#xff0c;\u5373\u4f20\u53c2inbuffer\u8c03\u7528calculator\u4e2d\u7684\u65b9\u6cd5Calculator\u53bb\u5904\u7406_inbuffer&#xff0c;\u7531\u4e8e\u662f\u4f20\u5165\u7684_inbuffer\u7684\u5f15\u7528&#xff0c;\u6240\u4ee5\u5728Calculator\u4e2d\u662f\u53ef\u4ee5\u5bf9\u8fd9\u4e2a_inbuffer\u7684\u5185\u5bb9\u8fdb\u884c\u83b7\u53d6\u5904\u7406\u7684<\/li>\n<li>\u5982\u679c\u5728Calculator\u7ecf\u8fc7\u5224\u65ad\u53d1\u73b0_inbuffer\u7684\u6570\u636e\u4e0d\u80fd\u6784\u6210\u4e00\u4e2a\u5b8c\u6574\u62a5\u6587\u6b64\u65f6\u65e0\u6cd5\u8fdb\u884c\u5904\u7406&#xff0c;\u90a3\u4e48\u5c31\u8fd4\u56de&#034;&#034;\u7ed9response_str &#xff0c;\u5373\u8fd4\u56de\u7a7a\u5b57\u7b26\u4e32\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5bf9response_str\u8fdb\u884c\u5224\u65ad&#xff0c;\u5982\u679cresponse_str\u4e3a\u7a7a&#xff0c;\u90a3\u4e48\u4ee3\u8868\u6b64\u65f6_inbuffer\u7684\u6570\u636e\u4e0d\u80fd\u6784\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u62a5\u6587&#xff0c;\u6240\u4ee5\u6b64\u65f6\u65e0\u6cd5\u8fdb\u884c\u5904\u7406\u62a5\u6587&#xff0c;\u6240\u4ee5\u6b64\u65f6\u76f4\u63a5\u8fd4\u56de\u5373\u53ef<\/li>\n<li>\u90a3\u4e48\u5982\u679cCalculator\u7ecf\u8fc7\u5224\u65ad\u53d1\u73b0\u6b64\u65f6_inbuffer\u7684\u6570\u636e\u53ef\u4ee5\u6784\u6210\u4e00\u4e2a\u6216\u8005\u591a\u4e2a\u5b8c\u6574\u7684\u62a5\u6587&#xff0c;\u90a3\u4e48\u6b64\u65f6\u5c31\u53ef\u4ee5\u76f4\u63a5\u8fdb\u884c\u5904\u7406&#xff0c;\u5373\u8fdb\u884c\u89e3\u7801&#xff0c;\u53cd\u5e8f\u5217\u5316&#xff0c;\u7136\u540e\u8fdb\u884c\u4e1a\u52a1\u7684\u5904\u7406&#xff0c;\u5f00\u59cb\u6784\u5efa\u54cd\u5e94\u62a5\u6587&#xff0c;\u8fdb\u884c\u5e8f\u5217\u5316&#xff0c;\u8f6c\u7801&#xff0c;\u5c06\u8f6c\u7801\u540e\u7684\u54cd\u5e94\u62a5\u6587\u8fd4\u56de\u7ed9\u4e0a\u5c42&#xff0c;\u6240\u4ee5\u6b64\u65f6response_str\u5c31\u53ef\u4ee5\u62ff\u5230\u54cd\u5e94\u62a5\u6587&#xff0c;\u90a3\u4e48\u6b64\u65f6\u6211\u4eec\u4f7f\u7528\u65e5\u5fd7\u8fdb\u884c\u6253\u5370\u4e00\u4e0b\u5373\u53ef<\/li>\n<li>\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u54cd\u5e94\u62a5\u6587\u653e\u5230Connection\u5bf9\u8c61\u7684_outbuffer\u4e2d&#xff0c;\u8fd9\u65f6\u5019&#xff0c;\u6211\u4eec\u4e4b\u524d\u5728Connection\u7c7b\u4e2d\u5c01\u88c5\u7684\u7c7b\u578b\u4e3aweak_ptr&lt;TcpServer&gt;\u7684\u5bf9\u8c61_tcp_server_ptr\u5c31\u53ef\u4ee5\u6d3e\u4e0a\u7528\u573a\u4e86&#xff0c;\u522b\u5fd8\u4e86\u7ba1\u7406\u8fd9\u4e2aTcpServer\u7684\u667a\u80fd\u6307\u9488\u662fweak_ptr&#xff0c;\u90a3\u4e48weak_ptr\u662f\u4e0d\u652f\u6301\u76f4\u63a5\u4f7f\u7528\u5b83\u6240\u7ba1\u7406\u7684\u5bf9\u8c61\u4e2d\u7684\u65b9\u6cd5\u7684&#xff0c;\u6211\u4eec\u5e94\u8be5\u5148\u8c03\u7528weak_ptr\u7684lock\u65b9\u6cd5&#xff0c;\u5c06weak_ptr\u6682\u65f6\u5f3a\u63d0\u5347\u4e3ashared_ptr\u6682\u65f6\u589e\u52a0\u8ba1\u6570&#xff0c;\u5f53\u751f\u547d\u5468\u671f\u7ed3\u675f\u7684\u65f6\u5019\u4f1a\u51cf\u5c11\u8ba1\u6570<\/li>\n<li>\u6240\u4ee5\u8fd9\u91cc\u8c03\u7528lock\u5c06\u7c7b\u578b\u8f6c\u5316\u4e3ashared_ptr&lt;TcpServer&gt;&#xff0c;\u5373\u4f7f\u7528shared_ptr\u8fdb\u884c\u7ba1\u7406TcpServer&#xff0c;\u90a3\u4e48shared_ptr\u662f\u53ef\u4ee5\u652f\u6301\u4f7f\u7528\u6240\u7ba1\u7406\u5bf9\u8c61\u7684\u65b9\u6cd5\u7684&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u4f20\u5165Connection\u5bf9\u8c61\u8c03\u7528TcpServer\u7684Sender\u65b9\u6cd5\u5c06Connection\u5bf9\u8c61\u4e2d_outbuffer\u7684\u54cd\u5e94\u62a5\u6587\u5bf9\u5e94\u7684\u6570\u636e\u53d1\u9001\u51fa\u53bb&#xff0c;\u90a3\u4e48\u6b64\u65f6\u8f6c\u5316\u540e\u7684shared_ptr&lt;TcpServer&gt;\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u7ed3\u675f\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u4f1a\u51cf\u5c11\u8ba1\u6570&#xff0c;\u4e0d\u4f1a\u51fa\u73b0\u95ee\u9898<\/li>\n<li>\u63a5\u4e0b\u6765\u6211\u4eec\u53ea\u9700\u8981\u5728main\u51fd\u6570\u521b\u5efaTcpServer\u5bf9\u8c61\u7684\u65f6\u5019&#xff0c;\u9664\u4e86\u4f20\u5165\u7aef\u53e3\u53f7port&#xff0c;\u518d\u989d\u5916\u4f20\u5165\u4e1a\u52a1\u5904\u7406\u7684\u9ed8\u8ba4\u56de\u8c03\u51fd\u6570DefaultOnMessage&#xff0c;\u6240\u4ee5\u5e95\u5c42\u7684TcpServer\u6784\u9020\u7ed3\u675f\u4e4b\u540e&#xff0c;\u5c31\u53ef\u4ee5\u83b7\u5f97\u8fd9\u4e2a\u4e0a\u5c42\u7684\u4e1a\u52a1\u5904\u7406\u7684\u56de\u8c03\u51fd\u6570&#xff0c;\u90a3\u4e48\u5c31\u53ef\u4ee5\u5728Recver\u63a5\u6536\u6570\u636e\u7ed3\u675f\u540e\u8c03\u7528\u4e1a\u52a1\u5904\u7406\u56de\u8c03\u51fd\u6570DefaultOnMessage\u901a\u77e5\u6570\u636e\u5df2\u7ecf\u63a5\u6536\u597d\u4e86&#xff0c;\u90a3\u4e48\u4f60\u4e0a\u5c42\u8fdb\u884c\u4e1a\u52a1\u7684\u5904\u7406\u5427<\/li>\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;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\">&#034;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;TcpServer.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;ServerCal.hpp&#034;<\/span><\/span><\/p>\n<p>ServerCal calculator<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">DefaultOnMessage<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span> connection<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u4e0a\u5c42\u5f97\u5230\u4e86\u6570\u636e: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">InBuffer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string response_str <span class=\"token operator\">&#061;<\/span> calculator<span class=\"token punctuation\">.<\/span><span class=\"token function\">Calculator<\/span><span class=\"token punctuation\">(<\/span>connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">InBuffer<\/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>response_str<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/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 punctuation\">;<\/span><br \/>\n    <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Debug<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;%s&#034;<\/span><span class=\"token punctuation\">,<\/span> response_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><span class=\"token punctuation\">;<\/span><\/p>\n<p>    connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">AppendOutBuffer<\/span><span class=\"token punctuation\">(<\/span>response_str<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">auto<\/span> tcp_server_ptr <span class=\"token operator\">&#061;<\/span> connection<span class=\"token operator\">-&gt;<\/span>_tcp_server_ptr<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    tcp_server_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Sender<\/span><span class=\"token punctuation\">(<\/span>connection<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    std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>TcpServer<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">epoll_svr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8080<\/span><span class=\"token punctuation\">,<\/span> DefaultOnMessage<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    epoll_svr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    epoll_svr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Loop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <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<h4>TcpServer<\/h4>\n<li>\u90a3\u4e48\u7ecf\u8fc7\u4e0a\u9762\u5c06\u4e1a\u52a1\u534f\u8bae\u7684\u5f15\u5165&#xff0c;TcpServer\u4e2d\u6709\u4e86\u901a\u77e5\u4e0a\u5c42\u5904\u7406\u4e1a\u52a1\u7684\u56de\u8c03\u51fd\u6570_OnMessage&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u7ec8\u4e8e\u53ef\u4ee5\u6765\u7f16\u5199Recver\u4e8b\u4ef6\u5904\u7406\u5668\u4e86&#xff0c;Recver\u4e0d\u5173\u5fc3\u6570\u636e\u7684\u683c\u5f0f&#xff0c;\u53ea\u8d1f\u8d23\u5c06\u6570\u636e\u8bfb\u53d6\u4e0a\u6765&#xff0c;\u5e76\u4e14\u901a\u77e5\u4e0a\u5c42\u5373\u53ef&#xff0c;\u6240\u4ee5\u9996\u5148\u6211\u4eec\u6765\u4fdd\u5b58\u4e00\u4e0b\u6587\u4ef6\u63cf\u8ff0\u7b26sock&#xff0c;\u63a5\u4e0b\u6765\u6211\u4eec\u5b9a\u4e49\u4e00\u4e2a\u7f13\u51b2\u533abuffer&#xff0c;\u5173\u4e8e\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u4e3ag_buffer_size\u5373128&#xff0c;\u6211\u4eec\u5df2\u7ecf\u5728Connection\u90e8\u5206\u8fdb\u884c\u8bb2\u89e3\u4e86static const int g_buffer_size &#061; 128&#xff0c;\u63a5\u4e0b\u6765\u5c31\u662f\u5faa\u73af\u8bfb\u53d6&#xff0c;\u76f4\u5230\u51fa\u9519<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u6bcf\u6b21\u8bfb\u53d6\u524d&#xff0c;\u5148\u4f7f\u7528memset\u5c06\u7f13\u51b2\u533a\u7684\u6570\u636e\u5168\u90e8\u6e05\u96f6&#xff0c;\u63a5\u4e0b\u6765\u4f7f\u7528recv\u8bfb\u53d6\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5e95\u5c42tcp\u7684\u63a5\u6536\u7f13\u51b2\u533a\u7684\u6570\u636e&#xff0c;\u89c2\u5bdf&#xff0c;\u867d\u7136\u8fd9\u91cc\u5c0f\u7f16\u7ed9recv\u8bbe\u7f6e\u7684\u6807\u5fd7\u4f4d\u662f0\u8868\u793a\u963b\u585e\u8bfb\u53d6&#xff0c;\u4f46\u662f\u522b\u5fd8\u4e86\u65e9\u5728Accepter\u4e2d\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u83b7\u53d6\u4e0a\u6765\u7684\u65f6\u5019&#xff0c;\u6211\u4eec\u5c31\u5df2\u7ecf\u4f7f\u7528SetNonBlockOrDie\u5c06\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e\u8bfb\u53d6\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6recv\u7684\u8bfb\u53d6\u65b9\u5f0f\u662f\u975e\u963b\u585e\u8bfb\u53d6\u6570\u636e<\/li>\n<li>\u90a3\u4e48recv\u7684\u8fd4\u56de\u503cn\u8868\u793a\u8bfb\u53d6\u5230\u7684\u5b57\u8282\u6570&#xff0c;\u5982\u679cn\u5927\u4e8e0\u8868\u793a\u6b64\u65f6\u6210\u529f\u7684\u8bfb\u53d6\u5230\u4e86\u6570\u636e&#xff0c;\u90a3\u4e48\u6b64\u65f6\u6309\u7167\u6211\u4eec\u4ee5\u524d\u7684\u4e60\u60ef\u5c31\u662f\u5c06\u7f13\u51b2\u533abuffer\u7684n\u4f4d\u7f6e\u7684\u503c\u7f6e\u4e3a0&#xff0c;\u4f46\u662f\u8fd9\u91cc\u4e0d\u9700\u8981\u4e86&#xff0c;\u56e0\u4e3amemset\u5df2\u7ecf\u5e2e\u6211\u4eec\u505a\u4e86\u8fd9\u4e2a\u4e8b\u60c5&#xff0c; \u5c31\u7b97\u7f13\u51b2\u533abuffer\u8bfb\u6ee1\u4e86&#xff0c;\u522b\u5fd8\u4e86\u5f53\u521d\u6211\u4eec\u7ed9\u5b9arecv\u7684buffer\u7684\u5927\u5c0f\u662f-1\u7684&#xff0c;\u5373\u9884\u7559\u4e86\u6700\u540e\u4e00\u4e2a\u4f4d\u7f6e\u7528\u4e8e\u653e\u7f6e\u2019\\\\0\u2019&#xff0c;\u7531\u4e8ememset\u7684\u4f5c\u7528&#xff0c;\u90a3\u4e48\u6700\u540e\u4e00\u4e2a\u4f4d\u7f6e\u4e3a0&#xff0c;0\u5373\u5bf9\u5e94\u2019\\\\0\u2019\u7b26\u5408\u5b57\u7b26\u4e32\u4ee5\u2019\\\\0\u2019\u7ed3\u5c3e&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u5927\u80c6\u7684\u5c06buffer\u653e\u5230Connection\u5bf9\u8c61\u7684\u8f93\u5165\u7f13\u51b2\u533a_inbuffer\u4e2d<\/li>\n<li>\u90a3\u4e48\u5982\u679crecv\u7684\u8fd4\u56de\u503c\u7b49\u4e8e0&#xff0c;\u8868\u793a\u5ba2\u6237\u7aef\u5df2\u7ecf\u5c06\u8fde\u63a5\u5173\u95ed\u4e86&#xff0c;\u90a3\u4e48\u6211\u670d\u52a1\u5668\u4e5f\u8981\u5173\u95ed\u8fde\u63a5\u9000&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u6253\u5370\u65e5\u5fd7&#xff0c;\u7136\u540e\u8c03\u7528Connection\u5bf9\u8c61\u4e2d\u7684\u5f02\u5e38\u5904\u7406_except_cb\u5373\u53ef&#xff0c;\u8fd9\u91cc\u7279\u522b\u6ce8\u610f\u5f02\u5e38\u5904\u7406\u8fd4\u56de\u4e4b\u540e&#xff0c;\u6b64\u65f6\u8fde\u63a5\u5df2\u7ecf\u88ab\u5173\u95ed\u4e86&#xff0c;\u6211\u4eec\u4e0d\u80fd\u5bf9\u8fde\u63a5\u5728\u8fdb\u884c\u5176\u5b83\u7684\u4efb\u4f55\u64cd\u4f5c\u4e86&#xff0c;\u5373\u610f\u5473\u7740\u6211\u4eec\u4e0d\u80fd\u8ba9\u6267\u884c\u6d41\u7ee7\u7eed\u5411\u540e\u6267\u884c\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eecreturn\u8fd4\u56de\u5373\u53ef<\/li>\n<li>\u90a3\u4e48\u5982\u679crecv\u7684\u8fd4\u56de\u503c\u5c0f\u4e8e0&#xff0c;\u90a3\u4e48\u8868\u793a\u6b64\u65f6\u8fd4\u56de\u503c\u4e3a-1&#xff0c;\u5df2\u7ecf\u51fa\u9519\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u7684\u60c5\u51b5\u6070\u597d\u7b26\u5408\u6211\u4eec\u7684\u9884\u671f&#xff0c;\u5faa\u73af\u8bfb\u53d6&#xff0c;\u76f4\u5230\u51fa\u9519&#xff0c;\u5e76\u4e14\u51fa\u9519\u7684\u65f6\u5019\u9519\u8bef\u7801\u88ab\u8bbe\u7f6e\u4e3aEWOULDBLOCK&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u9700\u8981\u5bf9\u9519\u8bef\u7801errno\u8fdb\u884c\u5224\u65ad&#xff0c;\u5982\u679c\u9519\u8bef\u7801\u662fEWOULDBLOCK\u90a3\u4e48\u8868\u793a\u6b64\u65f6\u5e95\u5c42\u6240\u6709\u7684\u6570\u636e\u5df2\u7ecf\u88ab\u6211\u4eec\u6b63\u5e38\u8bfb\u53d6\u5b8c\u6210\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eecbreak\u9000\u51fawhile\u5faa\u73af\u5373\u53ef<\/li>\n<li>\u90a3\u4e48\u5982\u679c\u9519\u8bef\u7801\u662fEINTR\u8868\u793a\u6b63\u5728\u83b7\u53d6\u8fde\u63a5\u7684\u65f6\u5019\u88ab\u4fe1\u53f7\u7b49\u6253\u65ad&#xff0c;\u6240\u4ee5\u5e95\u5c42\u4ecd\u7136\u6709\u6570\u636e\u6ca1\u6709\u8bfb\u53d6\u5b8c\u6210&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eeccontinue\u7ee7\u7eed\u8c03\u7528recv\u8bfb\u53d6\u6570\u636e\u5373\u53ef&#xff0c;\u90a3\u4e48\u5982\u679c\u9519\u8bef\u7801\u662f\u5176\u5b83\u7684\u60c5\u51b5&#xff0c;\u90a3\u4e48\u8868\u793a\u6b64\u65f6recv\u771f\u7684\u8bfb\u53d6\u6570\u636e\u5931\u8d25\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u4e5f\u5c31\u610f\u5473\u7740\u51fa\u73b0\u4e86\u9519\u8bef&#xff0c;\u90a3\u4e48\u6211\u4eec\u5c31\u8c03\u7528Connection\u5bf9\u8c61\u4e2d\u7684\u5f02\u5e38\u5904\u7406_except_cb\u5373\u53ef&#xff0c;\u8fd9\u91cc\u7279\u522b\u6ce8\u610f\u5f02\u5e38\u5904\u7406\u8fd4\u56de\u4e4b\u540e&#xff0c;\u6b64\u65f6\u8fde\u63a5\u5df2\u7ecf\u88ab\u5173\u95ed\u4e86&#xff0c;\u6211\u4eec\u4e0d\u80fd\u5bf9\u8fde\u63a5\u5728\u8fdb\u884c\u5176\u5b83\u7684\u4efb\u4f55\u64cd\u4f5c\u4e86&#xff0c;\u5373\u610f\u5473\u7740\u6211\u4eec\u4e0d\u80fd\u8ba9\u6267\u884c\u6d41\u7ee7\u7eed\u5411\u540e\u6267\u884c\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eecreturn\u8fd4\u56de\u5373\u53ef<\/li>\n<li>\u6240\u4ee5\u8d70\u5230while\u5faa\u73af\u5916\u9762&#xff0c;\u8868\u793a\u6b64\u65f6\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5e95\u5c42\u7684tcp\u7684\u63a5\u6536\u7f13\u51b2\u533a\u7684\u6570\u636e\u5df2\u7ecf\u5168\u90e8\u88ab\u6211\u4eec\u8bfb\u53d6\u4e0a\u6765\u4e86&#xff0c;\u8bfb\u53d6\u5230\u4e86Connection\u5bf9\u8c61\u7684_inbuffer\u4e2d&#xff0c;\u5373\u6b64\u65f6Connection\u5bf9\u8c61\u7684_inbuffer\u4e2d\u5df2\u7ecf\u6709\u6570\u636e\u4e86&#xff0c;\u90a3\u4e48\u6211\u4eec\u6b64\u65f6\u5c31\u53ef\u4ee5\u8c03\u7528\u5904\u7406\u4e1a\u52a1\u7684\u56de\u8c03\u51fd\u6570_OnMessage&#xff0c;\u901a\u77e5\u4e0a\u5c42\u6570\u636e\u5df2\u7ecf\u6709\u4e86&#xff0c;\u544a\u8bc9\u4e0a\u5c42\u5feb\u6765\u5904\u7406\u4e1a\u52a1\u5427<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u4e0a\u5c42\u5c31\u5f00\u59cb\u6267\u884c\u4e1a\u52a1\u5904\u7406\u51fd\u6570&#xff0c;\u9996\u5148\u8fdb\u884c\u68c0\u6d4b&#xff0c;\u5982\u679cConnection\u5bf9\u8c61\u7684_inbuffer\u6570\u636e\u5982\u679c\u4e0d\u80fd\u6784\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u62a5\u6587&#xff0c;\u90a3\u4e48\u5c31\u76f4\u63a5\u8fd4\u56de&#xff0c;\u5982\u679c\u53ef\u4ee5\u6784\u6210\u4e00\u4e2a\u6216\u8005\u591a\u4e2a\u5b8c\u6574\u7684\u62a5\u6587&#xff0c;\u90a3\u4e48\u5c31\u8fdb\u884c\u5904\u7406&#xff0c;\u5e76\u4e14\u5c06\u5904\u7406\u7684\u7ed3\u679c\u5bf9\u5e94\u7684\u54cd\u5e94\u62a5\u6587\u901a\u8fc7TcpServer\u7684Sender\u53d1\u5411\u5ba2\u6237\u7aef<\/li>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Recver<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span> connection<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> sock <span class=\"token operator\">&#061;<\/span> connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SockFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span>g_buffer_size<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        ssize_t n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">recv<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<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 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>n <span class=\"token operator\">&gt;<\/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\">\/\/ buffer[n] &#061; 0; \u7531\u4e8ememset\u5df2\u7ecf\u7f6e\u4e3a\u4e860&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u4e0d\u9700\u8981\u8fd9\u4e2a\u64cd\u4f5c\u4e86<\/span><br \/>\n            connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">AppendInBuffer<\/span><span class=\"token punctuation\">(<\/span>buffer<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>n <span class=\"token operator\">&#061;&#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\">lg<\/span><span class=\"token punctuation\">(<\/span>Info<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;sockfd: %d, client info -&gt; %s:%d quit&#8230;&#034;<\/span><span class=\"token punctuation\">,<\/span> sock<span class=\"token punctuation\">,<\/span> \\\\<br \/>\n                connection<span class=\"token operator\">-&gt;<\/span>_ip<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> connection<span class=\"token operator\">-&gt;<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">_except_cb<\/span><span class=\"token punctuation\">(<\/span>connection<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\">else<\/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> EWOULDBLOCK<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">break<\/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> EINTR<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Warning<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;sockfd: %d, client info -&gt; %s:%d recv error&#8230;&#034;<\/span><span class=\"token punctuation\">,<\/span> sock<span class=\"token punctuation\">,<\/span> \\\\<br \/>\n                    connection<span class=\"token operator\">-&gt;<\/span>_ip<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> connection<span class=\"token operator\">-&gt;<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">_except_cb<\/span><span class=\"token punctuation\">(<\/span>connection<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 punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8c03\u7528\u56de\u8c03\u51fd\u6570\u5c06\u6570\u636e\u4ea4\u4ed8\u4e0a\u5c42\u5904\u7406<\/span><br \/>\n    <span class=\"token function\">_OnMessage<\/span><span class=\"token punctuation\">(<\/span>connection<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<li>\u6240\u4ee5\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u5f00\u59cb\u8fdb\u5165Sender\u7684\u7f16\u5199&#xff0c;\u4f46\u662f\u6211\u4eec\u8fd8\u9700\u8981\u5b66\u4e60\u4e00\u70b9\u524d\u7f6e\u7684\u77e5\u8bc6\u4e4b\u540e\u624d\u80fd\u8fdb\u884cSender\u7684\u7f16\u5199&#xff0c;\u6240\u4ee5\u524d\u7f6e\u77e5\u8bc6\u662f\u4ec0\u4e48\u5462&#xff1f;\u5982\u4e0b<\/li>\n<li>\u8bf8\u5982epoll\/poll\/select&#xff0c;\u56e0\u4e3a\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u4e0a\u7684\u5199\u4e8b\u4ef6\u662f\u7ecf\u5e38\u5c31\u7eea\u7684&#xff0c;\u5373\u5224\u65ad\u5199\u4e8b\u4ef6\u662f\u5426\u5c31\u7eea\u90a3\u4e48\u5c31\u8981\u770b\u5e95\u5c42tcp\u7684\u53d1\u9001\u7f13\u51b2\u533a\u662f\u5426\u6709\u7a7a\u95f4&#xff0c;\u4e8b\u5b9e\u662f\u5e95\u5c42tcp\u7684\u53d1\u9001\u7f13\u51b2\u533a\u662f\u7ecf\u5e38\u662f\u6709\u7a7a\u95f4\u53ef\u4f9b\u6211\u4eec\u53d1\u9001\u7684&#xff0c;\u6240\u4ee5\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u4e0a\u7684\u5199\u4e8b\u4ef6\u4e5f\u662f\u7ecf\u5e38\u5c31\u7eea\u7684<\/li>\n<li>\u6240\u4ee5\u5982\u679c\u6211\u4eec\u8bbe\u7f6e\u5bf9\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u7684event\u4e8b\u4ef6\u4e2d\u7684EPOLLOUT\u8bfb\u4e8b\u4ef6\u5173\u5fc3&#xff0c;\u90a3\u4e48EPOLLOUT\u51e0\u4e4e\u6bcf\u6b21\u90fd\u4f1a\u5c31\u7eea&#xff0c;\u6240\u4ee5\u4e5f\u5c31\u4f1a\u5bfc\u81f4epoll_wait\u4f1a\u7ecf\u5e38\u4f1a\u8fd4\u56de&#xff0c;\u800c\u6211\u4eec\u771f\u6b63\u8981\u8ba9epoll\u5173\u5fc3\u7684\u662f\u8bfb\u4e8b\u4ef6\u7684\u5c31\u7eea\u72b6\u6001&#xff0c;\u4f60\u5199\u4e8b\u4ef6\u7531\u4e8e\u5e38\u5e38\u5c31\u7eea\u800c\u7ecf\u5e38\u8fd4\u56de&#xff0c;\u6240\u4ee5\u6b64\u65f6\u5c31\u4f1a\u6d6a\u8d39CPU\u8d44\u6e90<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u5f97\u51fa\u7ed3\u8bba\u4e86&#xff0c;\u5bf9\u4e8e\u8bfb\u4e8b\u4ef6&#xff0c;\u6211\u4eec\u9700\u8981\u8bbe\u7f6e\u5e38\u5173\u5fc3&#xff0c;\u90a3\u4e48\u5bf9\u4e8e\u5199\u4e8b\u4ef6&#xff0c;\u6211\u4eec\u9700\u8981\u6309\u9700\u8bbe\u7f6e&#xff0c;\u90a3\u4e48\u5982\u4f55\u7406\u89e3\u6309\u9700\u8bbe\u7f6e&#xff0c;\u6211\u4eec\u53c8\u5982\u4f55\u5904\u7406\u5199\u4e8b\u4ef6\u5462&#xff1f;\u5982\u4e0b<\/li>\n<li>\u76f4\u63a5\u5c06\u8fdb\u884c\u5199\u5165tcp\u7684\u53d1\u9001\u7f13\u51b2\u533a&#xff0c;\u5982\u679c\u5199\u5165\u5b8c\u6210\u90a3\u4e48\u5c31\u4e0d\u9700\u8981\u6211\u4eec\u64cd\u5fc3\u4e86&#xff0c;\u81f3\u4e8e\u6570\u636e\u5982\u4f55\u53d1&#xff0c;\u4ec0\u4e48\u65f6\u5019\u53d1&#xff0c;\u51fa\u9519\u4e86\u600e\u4e48\u529e&#xff0c;\u6709\u5185\u6838tcp\u81ea\u4e3b\u51b3\u5b9a&#xff0c;\u90a3\u4e48\u5f53\u6211\u4eec\u5199\u5165\u5b8c\u6210&#xff0c;\u6b64\u65f6Connection\u5bf9\u8c61\u7684_outbuffer\u7f13\u51b2\u533a\u4e2d\u6ca1\u6709\u6570\u636e\u4e86&#xff0c;\u90a3\u4e48\u5c31\u7ed3\u675f&#xff0c;\u4f46\u662f\u5982\u679c\u5199\u5165\u5b8c\u6210&#xff0c;\u4f46\u662f\u8fd8\u6709\u6570\u636e\u6ca1\u6709\u5199\u5b8c&#xff0c;\u5373Connection\u5bf9\u8c61\u7684_outbuffer\u4e2d\u8fd8\u6709\u6570\u636e&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u9700\u8981\u8bbe\u7f6e\u5bf9\u5199\u4e8b\u4ef6\u5173\u5fc3\u4e86&#xff0c;\u5982\u679c\u6570\u636e\u5199\u5b8c\u4e86&#xff0c;\u90a3\u4e48\u5c31\u53bb\u9664\u5bf9\u5199\u4e8b\u4ef6\u7684\u5173\u5fc3&#xff0c;\u90a3\u4e48\u5982\u679c\u8981\u5199\u7684_outbuffer\u7684\u6570\u636e\u5f88\u591a&#xff0c;\u90a3\u4e48\u6211\u4eec\u662f\u5426\u5bb3\u6015\u5462&#xff1f;<\/li>\n<li>\u4e0d\u6015&#xff0c;\u56e0\u4e3a\u5373\u4f7f\u6570\u636e\u5f88\u591a&#xff0c;\u90a3\u4e48\u5f53\u5199\u4e8b\u4ef6\u5c31\u7eea\u7684\u65f6\u5019&#xff0c;\u5c31\u4f1a\u7ee7\u7eed\u8c03\u7528Sender\u5c1d\u8bd5\u5199\u5165\u6570\u636e&#xff0c;\u6b64\u65f6\u5e95\u5c42\u6709\u7a7a\u95f4\u53c8\u88ab\u5199\u6ee1&#xff0c;\u90a3\u4e48\u522b\u5fd8\u4e86\u5f53\u5c06\u6570\u636e\u5199\u5165\u5e95\u5c42\u7684\u65f6\u5019&#xff0c;\u6b64\u65f6Connetcion\u5bf9\u8c61\u7684_outbuffer\u4e2d\u7684\u6570\u636e\u53c8\u51cf\u5c11\u4e86\u4e00\u70b9&#xff0c;\u968f\u7740\u5199\u4e8b\u4ef6\u518d\u6b21\u5c31\u7eea\u53c8\u4f1a\u7ee7\u7eed\u53d1\u9001&#xff0c;Connetcion\u5bf9\u8c61\u7684_outbuffer\u4e2d\u7684\u6570\u636e\u53c8\u4f1a\u51cf\u5c11\u4e86\u4e00\u70b9&#xff0c;\u6240\u4ee5\u79ef\u5c11\u6210\u591a&#xff0c;\u6211\u4eec\u603b\u53ef\u4ee5\u5c06Connetcion\u5bf9\u8c61\u7684_outbuffer\u4e2d\u7684\u6570\u636e\u5168\u90e8\u53d1\u9001\u51fa\u53bb<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u6765\u7f16\u5199Sender\u4e86&#xff0c;\u4f46\u662f\u8fd8\u6709\u4e00\u4e2a\u51fd\u6570\u9700\u8981\u6211\u4eec\u7f16\u5199&#xff0c;\u6211\u4eec\u9700\u8981\u5728Sender\u4e2d\u5f00\u542f\u5bf9\u5199\u4e8b\u4ef6\u7684\u5173\u5fc3&#xff0c;\u5173\u95ed\u5bf9\u5199\u4e8b\u4ef6\u7684\u5173\u5fc3&#xff0c;\u6240\u4ee5\u6211\u4eec\u9700\u8981\u6709\u4e00\u4e2a\u51fd\u6570EnableEvent\u5bf9\u4e8e\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5f00\u542f\u6216\u8005\u5173\u95ed\u5bf9\u4e8b\u4ef6\u7684\u5173\u5fc3&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u6765\u7f16\u5199\u4e00\u4e0bEnableEvent<\/li>\n<li>\u90a3\u4e48\u5bf9\u4e8eEnableEvent\u5176\u5b9e\u6709\u4e09\u4e2a\u53c2\u6570&#xff0c;\u90a3\u4e48\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u54ea\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26sock&#xff0c;\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u662f\u5426\u5bf9\u8bfb\u4e8b\u4ef6\u5173\u5fc3readable&#xff0c;\u5982\u679c\u8981\u5bf9\u8bfb\u4e8b\u4ef6\u5173\u5fc3&#xff0c;\u90a3\u4e48\u8bbe\u7f6e\u4e3atrue&#xff0c;\u5426\u5219\u4e3afalse&#xff0c;\u7b2c\u4e09\u4e2a\u53c2\u6570\u662f\u662f\u5426\u5bf9\u5199\u4e8b\u4ef6\u5173\u5fc3writeable&#xff0c;\u5982\u679c\u8981\u5bf9\u5199\u4e8b\u4ef6\u5173\u5fc3&#xff0c;\u90a3\u4e48\u8bbe\u7f6e\u4e3atrue&#xff0c;\u5426\u5219\u4e3afalse<\/li>\n<li>\u63a5\u4e0b\u6765\u6211\u4eec\u5b9a\u4e49\u4e00\u4e2a\u4e8b\u4ef6events\u9ed8\u8ba4\u4e3a0&#xff0c;\u5373\u8868\u793a\u4ec0\u4e48\u4e8b\u4ef6\u90fd\u4e0d\u5173\u5fc3&#xff0c;\u5982\u679c\u60f3\u8981\u5173\u5fc3\u67d0\u4e2a\u4e8b\u4ef6\u90a3\u4e48\u53ea\u9700\u8981\u5c06\u8981\u5173\u5fc3\u7684\u4e8b\u4ef6\u548cevents\u8fdb\u884c\u6309\u4f4d\u4e0e\u5373\u53ef&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u4f9d\u6b21\u8fdb\u884c\u5224\u65ad\u4e86&#xff0c;\u5982\u679creadable\u4e3atrue\u90a3\u4e48\u5c31\u8868\u793a\u8981\u5bf9\u8bfb\u4e8b\u4ef6\u5173\u5fc3\u90a3\u4e48\u6211\u4eec\u5c31\u6309\u4f4d\u4e0eEPOLLIN&#xff0c;\u5426\u5219\u5c31\u662f\u4e0d\u5173\u5fc3&#xff0c;\u90a3\u4e48\u6309\u4f4d\u4e0e0<\/li>\n<li>\u5982\u679cwriteable\u4e3atrue\u90a3\u4e48\u5c31\u8868\u793a\u8981\u5bf9\u5199\u4e8b\u4ef6\u5173\u5fc3\u90a3\u4e48\u6211\u4eec\u5c31\u6309\u4f4d\u4e0eEPOLLOUT&#xff0c;\u5426\u5219\u5c31\u662f\u4e0d\u5173\u5fc3&#xff0c;\u90a3\u4e48\u6309\u4f4d\u4e0e0&#xff0c;\u6211\u4eec\u8981\u5b9e\u73b0\u7684\u662f\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u5b9e\u73b0reactor\u53cd\u5e94\u5806&#xff0c;\u6240\u4ee5\u65e0\u8bba\u4ec0\u4e48\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u90fd\u8981\u8bbe\u7f6eET\u6a21\u5f0f&#xff0c;\u6240\u4ee5\u6211\u4eec\u518d\u6309\u4f4d\u4e0eEPOLLET\u5373\u53ef<\/li>\n<li>\u63a5\u4e0b\u6765\u6211\u4eec\u6709\u4e86\u8981\u5bf9\u4ec0\u4e48\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u8fdb\u884c\u8bbe\u7f6e&#xff0c;\u6709\u4e86\u8981\u8bbe\u7f6e\u5bf9\u4ec0\u4e48\u4e8b\u4ef6\u5173\u5fc3\u7684events&#xff0c;\u6240\u4ee5\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u53ef\u4ee5\u8c03\u7528Epoller\u4e2d\u5c01\u88c5\u7684EpollerUpdate\u7136\u540e\u4f7f\u7528EPOLL_CTL_MOD\u4fee\u6539\u8bbe\u7f6e\u5bf9\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u4e2d\u7684\u4e8b\u4ef6events\u5173\u5fc3\u5373\u53ef<\/li>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">EnableEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sock<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">bool<\/span> readable<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">bool<\/span> writeable<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">uint32_t<\/span> events <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    events <span class=\"token operator\">|&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>readable <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">true<\/span> <span class=\"token operator\">?<\/span> EPOLLIN <span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">|<\/span> \\\\<br \/>\n        <span class=\"token punctuation\">(<\/span>writeable <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">true<\/span> <span class=\"token operator\">?<\/span> EPOLLOUT <span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">|<\/span> EPOLLET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    _epoller_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">EpollerUpdate<\/span><span class=\"token punctuation\">(<\/span>EPOLL_CTL_MOD<span class=\"token punctuation\">,<\/span> sock<span class=\"token punctuation\">,<\/span> events<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<li>\u63a5\u4e0b\u6765\u6211\u4eec\u7ec8\u4e8e\u53ef\u4ee5\u5f00\u59cb\u7f16\u5199Sender\u4e86&#xff0c;\u6240\u4ee5\u9996\u5148\u6211\u4eec\u6765\u4fdd\u5b58\u4e00\u4e0b\u6587\u4ef6\u63cf\u8ff0\u7b26sock&#xff0c;\u7136\u540e\u4f7f\u7528outbuffer\u5f15\u7528Connection\u5bf9\u8c61\u4e2d\u7684_outbuffer&#xff0c;\u7136\u540e\u53d1\u9001\u7684\u65f6\u5019\u4e5f\u8981\u4e00\u76f4\u53d1\u9001&#xff08;\u8fd9\u91cc\u7684\u53d1\u9001\u672c\u8d28\u8fd8\u662f\u8c03\u7528send\u5c06\u6570\u636e\u62f7\u8d1d\u5230sock\u5e95\u5c42\u7684tcp\u7684\u53d1\u9001\u7f13\u51b2\u533a\u4e2d&#xff0c;\u7531\u5185\u6838\u51b3\u5b9a\u4ec0\u4e48\u65f6\u5019\u53d1&#xff0c;\u53d1\u591a\u5c11&#xff0c;\u51fa\u9519\u4e86\u600e\u4e48\u529e&#xff09;&#xff0c;\u5373\u5faa\u73af\u53d1\u9001&#xff0c;\u76f4\u5230\u51fa\u9519<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u8c03\u7528send\u671f\u671b\u5c06\u7f13\u51b2\u533a\u7684\u6570\u636e\u5168\u90e8\u53d1\u9001\u51fa\u53bb&#xff0c;\u867d\u7136\u8fd9\u91cc\u7684\u53c2\u6570\u4e3a0\u963b\u585e\u5f0f\u53d1\u9001&#xff0c;\u4f46\u662f\u8981\u77e5\u9053\u5f53\u521d\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u4e4b\u524d\u5728Accetper\u4e2d\u4e00\u83b7\u53d6\u4e0a\u6765\u5c31\u88ab\u6211\u4eec\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e\u4e86&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u867d\u7136\u53c2\u6570\u662f0\u963b\u585e\u5f0f\u53d1\u9001&#xff0c;\u4f46\u662f\u5b9e\u9645\u4e0asend\u53d1\u9001\u7684\u65f6\u5019\u662f\u975e\u963b\u585e\u53d1\u9001\u7684<\/li>\n<li>\u90a3\u4e48\u8fd4\u56de\u503cn\u8868\u793a\u53d1\u9001\u7684\u5b57\u8282\u6570&#xff0c;\u90a3\u4e48\u5f53send\u7684\u8fd4\u56de\u503cn\u5927\u4e8e0\u7684\u65f6\u5019&#xff0c;\u8868\u793a\u6b64\u65f6\u6210\u529f\u7684\u5c06\u6570\u636e\u62f7\u8d1d\u5230sock\u5e95\u5c42\u7684tcp\u7684\u53d1\u9001\u7f13\u51b2\u533a\u4e2d&#xff0c;\u90a3\u4e48\u6b64\u65f6\u62f7\u8d1d\u4e86n\u4e2a\u5b57\u8282\u7684\u6570\u636e&#xff0c;\u6240\u4ee5\u5bf9\u4e8eSender\u6765\u8bb2&#xff0c;\u6b64\u65f6outbuffer\u7684n\u4e2a\u5b57\u8282Sender\u8ba4\u4e3a\u5df2\u7ecf\u53d1\u9001\u51fa\u53bb\u4ea4\u7ed9\u5185\u6838\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u5c06outbufer\u7684\u524dn\u4e2a\u5b57\u8282\u7684\u6570\u636eerase\u5220\u9664\u6389&#xff0c;\u4f46\u662foutbuffer\u4e2d\u7684\u6570\u636e\u662f\u5426\u88ab\u62f7\u8d1d\u5b8c\u5462&#xff1f;<\/li>\n<li>\u5373\u6211\u4eec\u5b9e\u9645\u60f3\u53d1\u9001\u7684\u6570\u636e\u7684\u5927\u5c0f\u662f1024\u5b57\u8282&#xff0c;\u4f46\u662fsock\u5e95\u5c42\u7684tcp\u7684\u53d1\u9001\u7f13\u51b2\u533a\u4e2d\u53ea\u6709512\u5b57\u8282\u7684\u7a7a\u95f4\u4e86&#xff0c;\u6240\u4ee5\u8fd9\u79cd\u60c5\u51b5\u4e0b\u6709\u53ef\u80fdoutbuffer\u7684\u6570\u636e\u6ca1\u6709\u53d1\u5b8c&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u8981\u5bf9outbuffer\u7684\u6570\u636e\u8fdb\u884c\u5224\u65ad&#xff0c;\u5982\u679coutbufer\u4e3a\u7a7a&#xff0c;\u90a3\u4e48\u5c31\u76f4\u63a5break\u9000\u51fawhile\u5faa\u73af&#xff0c;\u5982\u679coutbuffer\u4e0d\u4e3a\u7a7a&#xff0c;\u90a3\u4e48\u5c31\u7ee7\u7eed\u53d1\u9001<\/li>\n<li>\u7136\u540e\u7ee7\u7eed\u53d1\u9001&#xff0c;\u4f46\u662f\u8fd9\u91cc\u7ee7\u7eed\u53d1\u9001\u4e4b\u540e&#xff0c;\u90a3\u4e48\u7531\u4e8e\u5e95\u5c42\u7684tcp\u7684\u53d1\u9001\u7f13\u51b2\u533a\u7684\u7a7a\u95f4\u5df2\u7ecf\u88ab\u6211\u4eec\u5199\u6ee1\u4e86&#xff0c;\u6240\u4ee5\u5c31\u4f1a\u9020\u6210\u51fa\u9519\u8fd4\u56de\u503c\u4e3a-1&#xff0c;\u540c\u65f6\u9519\u8bef\u7801\u88ab\u8bbe\u7f6e\u4e3aEWOULDBLOCK&#xff0c;\u90a3\u4e48\u6211\u4eec\u4e5fbreak\u9000\u51fa\u5faa\u73af\u5373\u53ef<\/li>\n<li>\u90a3\u4e48\u5982\u679csend\u7684\u8fd4\u56de\u503cn\u7b49\u4e8e0&#xff0c;\u9996\u5148\u8fd4\u56de\u503cn\u4e3a0\u4e0d\u5c0f\u4e8e0\u8868\u793a\u6ca1\u6709\u51fa\u9519&#xff0c;\u4f46\u662fsend\u7684\u8fd4\u56de\u503cn\u7b49\u4e8e0&#xff0c;\u8868\u793a\u672c\u6b21\u5199\u5165\u4e860\u4e2a\u6570\u636e&#xff0c;\u90a3\u4e48\u5982\u679c\u5e95\u5c42tcp\u7684\u63a5\u6536\u7f13\u51b2\u533a\u6ca1\u6709\u7a7a\u95f4\u4e86&#xff0c;\u90a3\u4e48\u5c31\u4f1a\u51fa\u9519&#xff0c;\u5e76\u4e14\u8fd4\u56de\u503c\u4e3a-1&#xff0c;\u9519\u8bef\u7801\u88ab\u8bbe\u7f6e\u4e3aEWOULDBLOCK&#xff0c;\u4f46\u662f\u6b64\u65f6\u7684\u8fd4\u56de\u503c\u4e0d\u662f-1&#xff0c;\u8fd4\u56de\u503c\u662f0&#xff0c;\u90a3\u4e48\u53ea\u6709\u4e00\u79cd\u60c5\u51b5&#xff0c;\u90a3\u4e48\u5c31\u662foutbuffer\u7531\u4e8e\u4e00\u4e9b\u60c5\u51b5&#xff0c;\u91cc\u9762\u5e76\u6ca1\u6709\u4efb\u4f55\u6570\u636e\u5c31\u8c03\u7528\u4e86Sender&#xff0c;\u90a3\u4e48outbuffer\u6ca1\u6709\u4efb\u4f55\u6570\u636e&#xff0c;\u6240\u4ee5\u6b64\u65f6\u8868\u793a\u6ca1\u6709\u6570\u636e\u9700\u8981\u53d1\u9001&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eecreturn\u8fd4\u56de\u5373\u53ef<\/li>\n<li>\u90a3\u4e48\u5982\u679csend\u7684\u8fd4\u56de\u503cn\u5c0f\u4e8e0&#xff0c;\u90a3\u4e48\u8868\u793a\u6b64\u65f6n\u4e3a-1\u5df2\u7ecf\u51fa\u9519\u4e86&#xff0c;\u5df2\u7ecf\u51fa\u9519\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u7684\u60c5\u51b5\u6070\u597d\u7b26\u5408\u6211\u4eec\u7684\u9884\u671f&#xff0c;\u5faa\u73af\u53d1\u9001&#xff0c;\u76f4\u5230\u51fa\u9519&#xff0c;\u5e76\u4e14\u51fa\u9519\u7684\u65f6\u5019\u9519\u8bef\u7801\u88ab\u8bbe\u7f6e\u4e3aEWOULDBLOCK&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u9700\u8981\u5bf9\u9519\u8bef\u7801errno\u8fdb\u884c\u5224\u65ad&#xff0c;\u5982\u679c\u9519\u8bef\u7801\u662fEWOULDBLOCK\u90a3\u4e48\u8868\u793a\u6b64\u65f6sock\u5e95\u5c42tcp\u7684\u53d1\u9001\u7f13\u51b2\u533a\u5df2\u7ecf\u6ca1\u6709\u7a7a\u95f4\u4e86&#xff0c;\u6b64\u65f6\u5373\u4f7foutbuffer\u6709\u6570\u636e\u4f46\u662f\u6211\u4eec\u5df2\u7ecf\u65e0\u6cd5\u8fdb\u884c\u5199\u5165\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eecbreak\u9000\u51fawhile\u5faa\u73af\u5373\u53ef<\/li>\n<li>\u90a3\u4e48\u5982\u679c\u9519\u8bef\u7801\u662fEINTR\u8868\u793a\u6b63\u5728send\u53d1\u9001\u5199\u5165\u7684\u65f6\u5019\u88ab\u4fe1\u53f7\u7b49\u6253\u65ad&#xff0c;\u6240\u4ee5\u6b64\u65f6outbuffer\u4ecd\u7136\u6709\u6570\u636e\u8981\u53d1\u9001&#xff0c;\u5e76\u4e14\u5e95\u5c42\u7684tcp\u7684\u53d1\u9001\u7f13\u51b2\u533a\u4e2d\u4ecd\u7136\u6709\u7a7a\u95f4\u53ef\u4ee5\u8fdb\u884c\u5199\u5165&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eeccontinue\u7ee7\u7eed\u8c03\u7528send\u53d1\u9001\u6570\u636e\u5373\u53ef<\/li>\n<li>\u90a3\u4e48\u5982\u679c\u9519\u8bef\u7801\u662f\u5176\u5b83\u7684\u60c5\u51b5&#xff0c;\u90a3\u4e48\u8868\u793a\u6b64\u65f6send\u771f\u7684\u53d1\u9001\u6570\u636e\u5931\u8d25\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u4e5f\u5c31\u610f\u5473\u7740\u51fa\u73b0\u4e86\u9519\u8bef&#xff0c;\u90a3\u4e48\u6211\u4eec\u5c31\u8c03\u7528Connection\u5bf9\u8c61\u4e2d\u7684\u5f02\u5e38\u5904\u7406_except_cb\u5373\u53ef&#xff0c;\u8fd9\u91cc\u7279\u522b\u6ce8\u610f\u5f02\u5e38\u5904\u7406\u8fd4\u56de\u4e4b\u540e&#xff0c;\u6b64\u65f6\u8fde\u63a5\u5df2\u7ecf\u88ab\u5173\u95ed\u4e86&#xff0c;\u6211\u4eec\u4e0d\u80fd\u5bf9\u8fde\u63a5\u5728\u8fdb\u884c\u5176\u5b83\u7684\u4efb\u4f55\u64cd\u4f5c\u4e86&#xff0c;\u5373\u610f\u5473\u7740\u6211\u4eec\u4e0d\u80fd\u8ba9\u6267\u884c\u6d41\u7ee7\u7eed\u5411\u540e\u6267\u884c\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eecreturn\u8fd4\u56de\u5373\u53ef<\/li>\n<li>\u90a3\u4e48\u8d70\u5230\u4e0b\u9762\u4e00\u5b9a\u662fbreak\u8df3\u51fa\u5faa\u73af\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u8fdb\u884c\u5224\u65ad\u4e86&#xff0c;\u5982\u679coutbuffer\u4e0d\u4e3a\u7a7a&#xff0c;\u8bf4\u660e\u662fn\u5c0f\u4e8e0&#xff0c;\u9519\u8bef\u7801\u88ab\u8bbe\u7f6e\u4e3aEWOULDBLCK&#xff0c;\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5e95\u5c42\u7684tcp\u7684\u53d1\u9001\u7f13\u51b2\u533a\u4e2d\u6ca1\u6709\u7a7a\u95f4\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5e94\u8be5\u4f7f\u7528EnableEvent\u8bbe\u7f6e\u5bf9\u5199\u4e8b\u4ef6\u7684\u5173\u5fc3&#xff0c;\u5f53\u7136\u8bfb\u4e8b\u4ef6\u6211\u4eec\u8981\u5e38\u5173\u5fc3\u7684<\/li>\n<li>\u90a3\u4e48\u5982\u679coutbuffer\u4e0d\u4e3a\u7a7a\u4e0d\u6210\u7acb&#xff0c;\u5373\u8fdb\u5165else\u7684\u60c5\u51b5\u8868\u793aoutbuffer\u4e3a\u7a7a&#xff0c;\u6240\u4ee5\u6b64\u65f6\u662fn\u5927\u4e8e0&#xff0c;\u5e76\u4e14\u6210\u529f\u7684\u5199\u5165\u5b8c\u6210\u4e86outbuffer\u7684\u6240\u6709\u6570\u636e\u7136\u540ebreak\u8df3\u51fa\u5faa\u73af\u7684&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5e94\u8be5\u4f7f\u7528EnableEvent\u8bbe\u7f6e\u53d6\u6d88\u5bf9\u5199\u4e8b\u4ef6\u7684\u5173\u5fc3&#xff0c;\u5f53\u7136\u8bfb\u4e8b\u4ef6\u6211\u4eec\u8981\u5e38\u5173\u5fc3\u7684<\/li>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Sender<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span> connection<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> sock <span class=\"token operator\">&#061;<\/span> connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SockFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> outbuffer <span class=\"token operator\">&#061;<\/span> connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">OutBuffer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        ssize_t n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> outbuffer<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> outbuffer<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 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>n <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            outbuffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">erase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>outbuffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">break<\/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>n <span class=\"token operator\">&#061;&#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 keyword\">return<\/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 punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EWOULDBLOCK<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">break<\/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> EINTR<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Warning<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;sockfd: %d, client info -&gt; %s:%d send error&#8230;&#034;<\/span><span class=\"token punctuation\">,<\/span> sock<span class=\"token punctuation\">,<\/span> \\\\<br \/>\n                    connection<span class=\"token operator\">-&gt;<\/span>_ip<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> connection<span class=\"token operator\">-&gt;<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">_except_cb<\/span><span class=\"token punctuation\">(<\/span>connection<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 punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>outbuffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/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 comment\">\/\/ \u5f00\u59cb\u5bf9\u5199\u4e8b\u4ef6\u7684\u5173\u5fc3<\/span><br \/>\n        <span class=\"token function\">EnableEvent<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/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><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5173\u95ed\u5bf9\u5199\u4e8b\u4ef6\u7684\u5173\u5fc3<\/span><br \/>\n        <span class=\"token function\">EnableEvent<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">false<\/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<li>\u63a5\u4e0b\u6765\u6211\u4eec\u7f16\u5199Excepter&#xff0c;\u90a3\u4e48\u9996\u5148\u6211\u4eec\u4fdd\u5b58\u4e00\u4e0b\u8981\u5904\u7406\u7684\u5f02\u5e38\u6587\u4ef6\u63cf\u8ff0\u7b26fd&#xff0c;\u7136\u540e\u6253\u5370\u65e5\u5fd7\u8981\u5904\u7406\u54ea\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u5bf9\u5e94\u7684\u5ba2\u6237\u7aef\u7684\u4fe1\u606f\u4e5f\u4e00\u5e76\u6253\u5370&#xff0c;\u90a3\u4e48\u9996\u5148\u6211\u4eec\u5c31\u662f\u8981\u5728\u5185\u6838epoll\u6a21\u578b\u7684\u7ea2\u9ed1\u6811rb_tree\u4e2d\u79fb\u9664\u5bf9\u7279\u5b9afd\u7684\u5173\u5fc3&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u5c31\u8c03\u7528Epoller\u4e2d\u5c01\u88c5\u7684EpollerUpdate\u5373\u53ef&#xff0c;\u6240\u4ee5\u6b64\u65f6\u8fdb\u884c\u79fb\u9664\u64cd\u4f5cEPOLL_CTL_DEL&#xff0c;\u7136\u540e\u8981\u64cd\u4f5c\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u662ffd&#xff0c;\u90a3\u4e48\u7531\u4e8e\u662f\u79fb\u9664&#xff0c;\u6240\u4ee5events\u4e8b\u4ef6\u4e0d\u9700\u8981\u586b\u5199&#xff0c;\u9ed8\u8ba4\u4e3a0\u5373\u53ef<\/li>\n<li>\u63a5\u4e0b\u6765\u4f7f\u7528close\u5173\u95ed\u5f02\u5e38\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u6240\u4ee5\u6b64\u65f6\u4e5f\u6253\u5370\u65e5\u5fd7&#xff0c;\u5173\u95ed\u4e86\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u63a5\u4e0b\u6765\u4eceunordered_map\u4e2d\u79fb\u9664\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u53ca\u5176Connection\u5bf9\u8c61&#xff0c;\u6240\u4ee5\u6b64\u65f6\u8c03\u7528unordered_map\u7684erase\u65b9\u6cd5&#xff0c;\u5c06\u6587\u4ef6\u63cf\u8ff0\u7b26fd\u5bf9\u5e94\u7684Connection\u5bf9\u8c61\u5728unordered_map\u5bf9\u5e94\u7684\u5bf9\u8c61_connections\u4e2d\u79fb\u9664\u5373\u53ef&#xff0c;\u63a5\u4e0b\u6765\u6211\u4eec\u6253\u5370\u65e5\u5fd7\u79fb\u9664\u4e86\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u53ca\u5176\u5bf9\u8c61<\/li>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Excepter<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span> connection<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> connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SockFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Warning<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Excepter handler socket: %d, client info -&gt; %s:%d, excepter handler&#034;<\/span><span class=\"token punctuation\">,<\/span> \\\\<br \/>\n        fd<span class=\"token punctuation\">,<\/span> connection<span class=\"token operator\">-&gt;<\/span>_ip<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> connection<span class=\"token operator\">-&gt;<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ 1. \u5728\u5185\u6838epoll\u6a21\u578b\u7684\u7ea2\u9ed1\u6811rb_tree\u4e2d\u79fb\u9664\u5bf9\u7279\u5b9afd\u7684\u5173\u5fc3<\/span><br \/>\n    _epoller_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">EpollerUpdate<\/span><span class=\"token punctuation\">(<\/span>EPOLL_CTL_DEL<span class=\"token punctuation\">,<\/span> fd<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 comment\">\/\/ 2. close\u5173\u95ed\u5f02\u5e38\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26<\/span><br \/>\n    <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Debug<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;close %d done&#8230;&#034;<\/span><span class=\"token punctuation\">,<\/span> fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ 3. \u4eceunordered_map\u4e2d\u79fb\u9664\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u53ca\u5176Connection\u5bf9\u8c61<\/span><br \/>\n    <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Debug<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;remove %d from _connections&#8230;&#034;<\/span><span class=\"token punctuation\">,<\/span> fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    _connections<span class=\"token punctuation\">.<\/span><span class=\"token function\">erase<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<li>\u6240\u4ee5\u8c8c\u4f3c\u6211\u4eec\u5df2\u7ecf\u7f16\u5199\u5b8c\u6210\u4e86\u7b2c\u4e8c\u9636\u6bb5&#xff0c;\u5373\u7136\u540e\u5f15\u5165\u4e1a\u52a1\u534f\u8bae&#xff0c;\u5b8c\u6210TcpServer\u7c7b\u7684\u8bfb\u56de\u8c03Recver&#xff0c;\u5199\u56de\u8c03Sender&#xff0c;\u5f02\u5e38\u56de\u8c03Excepter&#xff0c;\u4e0b\u9762\u6211\u4eec\u6765\u4f7f\u7528\u5982\u4e0b\u7684makefile\u5c1d\u8bd5\u7f16\u8bd1\u4e00\u4e0b\u4ee3\u7801<\/li>\n<p>reactor_server:Main.cc<br \/>\ng&#043;&#043; -o <span class=\"token variable\">$&#064;<\/span> $^ -std<span class=\"token operator\">&#061;<\/span>c&#043;&#043;11<br \/>\n.PHONY:clean<br \/>\nclean:<br \/>\n<span class=\"token function\">rm<\/span> -f reactor_server<\/p>\n<p>\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204011656-69829e0859376.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<li>\u6240\u4ee5\u6b64\u65f6\u7f16\u8bd1\u62a5\u9519&#xff0c;\u6211\u4eec\u4e00\u770b\u4e0a\u9762\u7684\u62a5\u9519&#xff0c;Json&#xff0c;\u5f53\u521d\u6211\u4eec\u5728\u4e0a\u5c42\u7684\u4e1a\u52a1\u534f\u8bae\u4e2d\u9488\u5bf9\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u4f7f\u7528\u4e86Json&#xff0c;\u6240\u4ee5\u5bf9\u4e8eJson\u6211\u4eec\u8fd8\u9700\u8981\u5b66\u4e60\u4e00\u4e0bJson\u7684\u4f7f\u7528&#xff0c;\u6240\u4ee5\u6211\u4eec\u6765\u770b\u5c0f\u7f16\u4e4b\u524d\u6587\u7ae0\u7684\u8bb2\u89e3\u5173\u4e8eJson\u7684\u4f7f\u7528\u7684\u8bb2\u89e3\u5728\u7b2c\u4e8c\u70b9&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014<\/li>\n<li>\u6240\u4ee5\u7ecf\u8fc7\u4e0a\u9762\u7684\u8bb2\u89e3&#xff0c;\u6211\u4eec\u77e5\u9053\u4e86\u53d1\u751f\u4e86\u8fde\u63a5\u9519\u8bef&#xff0c;jsoncpp\u662f\u4e00\u4e2a\u7b2c\u4e09\u65b9\u5e93&#xff0c;\u7f16\u8bd1\u5668\u5e76\u4e0d\u77e5\u9053\u8981\u4f7f\u7528Json\u9700\u8981\u8981\u54ea\u4e00\u4e2a\u5e93&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u9700\u8981\u5728\u7f16\u8bd1\u7684\u65f6\u5019\u9700\u8981\u4f7f\u7528-l\u9009\u9879\u544a\u8bc9g&#043;&#043;\u7f16\u8bd1\u5668&#xff0c;\u8981\u53bb\u94fe\u63a5jsoncpp\u8fd9\u4e2a\u5e93\u6587\u4ef6&#xff0c;\u5373\u7f16\u8bd1\u7684\u65f6\u5019\u6dfb\u52a0 -ljsoncpp<\/li>\n<li>\u8fd8\u6ca1\u6709\u5b8c\u6210&#xff0c;\u4e0a\u8ff0\u6211\u4eec\u4e0d\u4ec5\u4ec5\u5f15\u5165\u4e86\u670d\u52a1\u7aef&#xff0c;\u8fde\u5e76\u5ba2\u6237\u7aef\u6211\u4eec\u4e5f\u5f15\u5165\u4e86&#xff0c;\u6240\u4ee5\u5bf9\u4e8e\u5ba2\u6237\u7aefClientCal.cc\u6211\u4eec\u4e5f\u8981\u8fdb\u884c\u7f16\u8bd1\u5f62\u6210\u53ef\u6267\u884c&#xff0c;\u6240\u4ee5\u6211\u4eec\u6700\u7ec8\u7f16\u5199\u51fa\u6765\u7684makefile\u5982\u4e0b<\/li>\n<p>.PHONY:all<br \/>\nall:reactor_client reactor_server<\/p>\n<p>reactor_client:ClientCal.cc<br \/>\ng&#043;&#043; -o <span class=\"token variable\">$&#064;<\/span> $^ -std<span class=\"token operator\">&#061;<\/span>c&#043;&#043;11 -ljsoncpp<br \/>\nreactor_server:Main.cc<br \/>\ng&#043;&#043; -o <span class=\"token variable\">$&#064;<\/span> $^ -std<span class=\"token operator\">&#061;<\/span>c&#043;&#043;11 -ljsoncpp<\/p>\n<p>.PHONY:clean<br \/>\nclean:<br \/>\n<span class=\"token function\">rm<\/span> -f reactor_client reactor_server<\/p>\n<p>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u91cd\u65b0\u8fdb\u884c\u7f16\u8bd1&#xff0c;\u6210\u529f <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204011656-69829e0896ac0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"400\" \/><\/p>\n<h5>\u6d4b\u8bd5<\/h5>\n<li>\u6240\u4ee5\u6210\u529f\u7f16\u8bd1\u597d\u4e86\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef&#xff0c;\u90a3\u4e48\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u5c1d\u8bd5\u8fd0\u884c\u4e00\u4e0b\u4e86&#xff0c;\u90a3\u4e48\u4e0b\u56fe\u5de6\u4fa7\u4f1a\u8bdd\u5145\u5f53\u670d\u52a1\u5668&#xff0c;\u53f3\u4fa7\u4f1a\u8bdd\u5145\u5f53\u5ba2\u6237\u7aef<\/li>\n<p>\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204011656-69829e08a529c.gif\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<li>\u7f51\u7edc\u7248\u672c\u8ba1\u7b97\u5668\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014&#xff0c;\u6240\u4ee5\u8fd0\u884c\u7ed3\u679c\u5982\u4e0a&#xff0c;\u5ba2\u6237\u7aef\u6784\u5efa\u8bf7\u6c42&#xff0c;\u8fdb\u884c\u5e8f\u5217\u5316&#xff0c;\u8f6c\u7801\u6784\u5efa\u8bf7\u6c42\u62a5\u6587&#xff0c;\u53d1\u9001\u7ed9\u670d\u52a1\u5668&#xff0c;\u670d\u52a1\u5668\u63a5\u6536\u5230\u8bf7\u6c42\u62a5\u6587&#xff0c;\u7136\u540e\u89e3\u7801&#xff0c;\u53cd\u5e8f\u5217\u5316\u5f97\u5230\u8ba1\u7b97\u4efb\u52a1&#xff0c;\u7136\u540e\u670d\u52a1\u5668\u6784\u5efa\u54cd\u5e94&#xff0c;\u8fdb\u884c\u5e8f\u5217\u5316&#xff0c;\u8f6c\u7801\u6784\u5efa\u54cd\u5e94\u62a5\u6587&#xff0c;\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef&#xff0c;\u4ee5\u6b64\u91cd\u590d\u4e94\u6b21&#xff0c;\u6240\u4ee5\u7ed3\u679c\u5982\u4e0a\u65e0\u8bef<\/li>\n<li>\u5e76\u4e14\u5f53\u8fd9\u4e94\u6b21\u8bf7\u6c42\u4e0e\u54cd\u5e94\u5b8c\u6210\u4e4b\u540e&#xff0c;\u53f3\u4fa7\u7684\u5ba2\u6237\u7aef\u5c31\u4f1a\u9000\u51fa&#xff0c;\u6211\u4eec\u4e5f\u89c2\u5bdf\u5230\u4e86\u5de6\u4fa7\u670d\u52a1\u5668\u4f1a\u5904\u7406\u5ba2\u6237\u7aef\u7684\u9000\u51fa&#xff0c;\u5728\u5185\u6838epoll\u7684\u7ea2\u9ed1\u6811rb_tree\u4e2d\u79fb\u9664\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5bf9\u5e94\u7684\u8fde\u63a5&#xff0c;\u5173\u95ed\u6587\u4ef6\u63cf\u8ff0\u7b26sock&#xff0c;\u5c06\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u53ca\u5176Connection\u5bf9\u8c61\u5728unordered_map\u7684\u5bf9\u8c61_connections\u4e2d\u79fb\u9664&#xff0c;\u6ca1\u6709\u95ee\u9898&#xff0c;\u5b8c\u7f8e<\/li>\n<li>\u81f3\u6b64\u6211\u4eec\u7684\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u5b9e\u73b0reactor\u53cd\u5e94\u5806\u5b8c\u7ed3&#xff0c;\u53ef\u662f\u8fd8\u6ca1\u6709\u771f\u6b63\u7684\u5b8c\u7ed3&#xff0c;\u56e0\u4e3a\u5c0f\u7f16\u8fd8\u8981\u8bb2\u89e3\u4e00\u4e0b\u62d3\u5c55&#xff0c;\u5982\u4e0b<\/li>\n<h3>\u56db\u3001\u62d3\u5c55<\/h3>\n<li>\u5176\u5b9e\u6211\u4eec\u7684\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u5b9e\u73b0reactor\u53cd\u5e94\u5806\u8fd8\u5e76\u4e0d\u662f\u5f88\u5b8c\u5584&#xff0c;\u5176\u5b9e\u6211\u4eec\u7684\u4ee3\u7801\u4e2d\u8fd8\u53ef\u4ee5\u4ece\u5355\u7ebf\u7a0b\u8c03\u6574\u4e3a\u591a\u7ebf\u7a0b&#xff0c;\u591a\u7ebf\u7a0b\u4e4b\u540e\u8fd8\u53ef\u4ee5\u5c06\u7ebf\u7a0b\u6c60\u8fdb\u884c\u63a5\u5165&#xff0c;\u5173\u4e8e\u7ebf\u7a0b\u6c60\u7684\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014<\/li>\n<li>\u4e3b\u8981\u7684\u903b\u8f91\u662f&#xff0c;\u4e3b\u7ebf\u7a0b\u662f\u4e00\u4e2areactor&#xff0c;\u7ebf\u7a0b\u6c60\u4e2d\u7684\u65b0\u7ebf\u7a0b\u6709\u591a\u4e2a&#xff0c;\u6bcf\u4e00\u4e2a\u65b0\u7ebf\u7a0b\u4e5f\u540c\u6837\u4e00\u4e2areactor&#xff0c;\u4e3b\u7ebf\u7a0b\u4ec5\u4ec5\u8d1f\u8d23\u5c06\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u83b7\u53d6\u4e0a\u6765&#xff0c;\u5c06\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26fd\u653e\u5230\u4e00\u4e2avector\u6570\u7ec4\u4e2d&#xff0c;\u6b64\u65f6\u4e3b\u7ebf\u7a0b\u6bcf\u653e\u7f6e\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26fd\u90a3\u4e48\u5c31\u53bb\u7ebf\u7a0b\u6c60\u4e2d\u5524\u9192\u4e00\u4e2a\u65b0\u7ebf\u7a0b&#xff0c;\u7136\u540e\u8ba9\u65b0\u7ebf\u7a0b\u4ecevector\u6570\u7ec4\u4e2d\u83b7\u53d6\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26fd\u8fdb\u884c\u5bf9\u5e94\u7684\u5173\u5fc3&#xff0c;\u63d0\u4f9b\u670d\u52a1<\/li>\n<li>\u6240\u4ee5\u8fd9\u6837\u968f\u7740\u8fde\u63a5\u7684\u8d8a\u6765\u8d8a\u591a&#xff0c;\u4e3b\u7ebf\u7a0b\u7684reactor\u4ecd\u7136\u662f\u8d1f\u8d23\u5c06\u8fde\u63a5\u83b7\u53d6\u4e0a\u6765&#xff0c;\u7136\u540e\u7ebf\u7a0b\u6c60\u4e2d\u7684\u65b0\u7ebf\u7a0b\u4e0a\u5747\u5300\u5206\u914d\u7684\u8fd9\u4e9b\u5230\u6765\u7684\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26fd&#xff0c;\u90a3\u4e48\u4e00\u65e6\u8fd9\u4e9b\u6587\u4ef6\u63cf\u8ff0\u7b26fd\u4e0a\u7684\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u90a3\u4e48\u5bf9\u5e94\u7684\u65b0\u7ebf\u7a0breactor\u5c31\u4f1a\u544a\u77e5\u4e0a\u5c42\u6587\u4ef6\u63cf\u8ff0\u7b26fd\u5c31\u7eea\u4e86&#xff0c;\u90a3\u4e48\u6b64\u65f6\u65b0\u7ebf\u7a0b\u5bf9\u5e94\u7684\u4e0a\u5c42\u4e1a\u52a1\u534f\u8bae\u4e2d\u5c31\u4f1a\u8fdb\u884c\u5904\u7406\u63d0\u4f9b\u670d\u52a1<\/li>\n<li>\u5176\u5b9e\u5f15\u5165\u7ebf\u7a0b\u6c60\u8fd8\u4e0d\u591f&#xff0c;\u6211\u4eec\u8fd8\u53ef\u4ee5\u8fdb\u884c\u94fe\u63a5\u7ba1\u7406&#xff0c;\u7ed9\u6bcf\u4e00\u4e2a\u5ba2\u6237\u7aef\u5bf9\u5e94\u7684\u94fe\u63a5\u8bbe\u7f6e\u4e00\u4e2a\u9650\u5b9a\u65f6\u95f4&#xff0c;\u5982\u679c\u5ba2\u6237\u7aef\u957f\u65f6\u95f4\u4e0d\u6d3b\u8dc3&#xff0c;\u5e76\u4e14\u8d85\u8fc7\u4e86\u8fd9\u4e2a\u9650\u5b9a\u7684\u65f6\u95f4&#xff0c;\u90a3\u4e48\u6211\u4eec\u5c31\u5c06\u5ba2\u6237\u7aef\u7684\u94fe\u63a5\u91ca\u653e\u6389<\/li>\n<li>\u90a3\u4e48\u6211\u4eec\u77e5\u9053\u670d\u52a1\u5668\u5c06\u6765\u8981\u9762\u5bf9\u7684\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u94fe\u63a5\u662f\u5f88\u591a\u7684&#xff0c;\u6240\u4ee5\u670d\u52a1\u5668\u8981\u4e0d\u8981\u5c06\u8fd9\u4e9b\u94fe\u63a5\u7ba1\u7406\u8d77\u6765\u5462&#xff1f;\u8981&#xff0c;\u90a3\u4e48\u5982\u4f55\u7ba1\u7406&#xff1f;\u5148\u63cf\u8ff0&#xff0c;\u518d\u7ec4\u7ec7&#xff0c;\u90a3\u4e48\u5f15\u5165\u5b9a\u65f6\u5668\u8fd9\u4e2a\u7c7b\u63cf\u8ff0\u5ba2\u6237\u7aef\u7684\u94fe\u63a5&#xff0c;\u5176\u4e2d\u5305\u542b\u4f8b\u5982&#xff0c;\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26fd\u662f\u54ea\u4e00\u4e2a&#xff0c;\u8fde\u63a5\u5bf9\u5e94\u7684\u5ba2\u6237\u7aef\u7684\u4fe1\u606f\u6709\u54ea\u4e9b&#xff0c;ip\u5730\u5740&#xff0c;\u7aef\u53e3\u53f7port&#xff0c;\u9650\u5b9a\u65f6\u95f4\u662f\u5230\u4ec0\u4e48\u65f6\u5019\u7ed3\u675f\u7b49&#xff0c;\u6240\u4ee5\u6b64\u65f6\u4f7f\u7528\u5b9a\u65f6\u5668\u6211\u4eec\u5c31\u5c06\u5668\u63cf\u8ff0\u8d77\u6765\u4e86&#xff0c;\u90a3\u4e48\u4f7f\u7528\u4ec0\u4e48\u6570\u636e\u7ed3\u6784\u5c06\u94fe\u63a5\u7ec4\u7ec7\u8d77\u6765\u5462&#xff1f;<\/li>\n<li>\u4f7f\u7528\u4e00\u4e2a\u6700\u5c0f\u5806\u5373\u53ef&#xff0c;\u56e0\u4e3a\u6211\u4eec\u7ed9\u6bcf\u4e00\u4e2a\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u94fe\u63a5\u90fd\u5f15\u5165\u4e86\u4e00\u4e2a\u8ba1\u65f6\u5668\u8fd9\u4e2a\u7c7b&#xff0c;\u5176\u4e2d\u5c31\u6709\u8fd9\u4e2a\u5ba2\u6237\u7aef\u7684\u9650\u5b9a\u65f6\u95f4&#xff0c;\u65f6\u95f4\u53ef\u662f\u6709\u5927\u5c0f\u7684&#xff0c;\u6240\u4ee5\u4f7f\u7528\u6700\u5c0f\u5806\u6211\u4eec\u5c06\u6240\u6709\u7684\u94fe\u63a5\u7ec4\u7ec7\u8d77\u6765&#xff0c;\u8fd9\u4e2a\u9650\u5b9a\u65f6\u95f4\u662f\u4e00\u4e2a\u65f6\u95f4\u6233&#xff0c;\u90a3\u4e48\u4f7f\u7528\u5f53\u524d\u7684\u65f6\u95f4\u6233\u51cf\u53bb\u9650\u5b9a\u65f6\u95f4\u7684\u65f6\u95f4\u6233\u53ef\u4ee5\u5f97\u51fa\u4e00\u4e2a\u65f6\u95f4&#xff0c;\u8fd9\u4e2a\u65f6\u95f4\u662f\u8be5\u94fe\u63a5\u7684\u8fc7\u671f\u65f6\u95f4&#xff0c;\u5982\u679c\u5ba2\u6237\u7aef\u957f\u65f6\u95f4\u4e0d\u6d3b\u8dc3&#xff0c;\u5e76\u4e14\u8d85\u8fc7\u4e86\u8fd9\u4e2a\u9650\u5b9a\u7684\u65f6\u95f4&#xff0c;\u90a3\u4e48\u6211\u4eec\u5c31\u5c06\u5ba2\u6237\u7aef\u7684\u94fe\u63a5\u91ca\u653e\u6389<\/li>\n<li>\u90a3\u4e48\u8fd9\u4e2a\u8fc7\u671f\u65f6\u95f4\u5c0f\u7684\u6211\u4eec\u5c31\u653e\u5728\u6700\u5c0f\u5806\u7684\u5806\u9876&#xff0c;\u522b\u5fd8\u4e86\u65f6\u95f4\u662f\u6709\u5927\u5c0f\u7684&#xff0c;\u53ef\u4ee5\u8fdb\u884c\u6bd4\u8f83\u7684&#xff0c;\u7531\u4e8e\u662f\u6700\u5c0f\u5806&#xff0c;\u5806\u9876\u7684\u8fc7\u671f\u65f6\u95f4\u6700\u5c0f&#xff0c;\u5806\u5e95\u7684\u8fc7\u671f\u65f6\u95f4\u6700\u5927&#xff0c;\u6240\u4ee5\u53ea\u8981\u5806\u9876\u7684\u8fc7\u671f\u65f6\u95f4\u4e0d\u5230&#xff0c;\u90a3\u4e48\u5806\u5e95\u7684\u5168\u90e8\u7684\u8fde\u63a5\u4e00\u5b9a\u4e0d\u8fc7\u671f&#xff0c;\u6240\u4ee5\u6bcf\u6b21\u6211\u4eec\u8981\u8fdb\u884c\u94fe\u63a5\u7ba1\u7406\u53ea\u9700\u8981\u770b\u6700\u5c0f\u5806\u7684\u5806\u9876\u7684\u8fc7\u671f\u65f6\u95f4\u5373\u53ef<\/li>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Loop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    _quit <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>_quit<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Dispatcher<\/span><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 function\">PrintConnection<\/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>    _quit <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u518d\u6765\u770b\u4e3b\u7ebf\u7a0b\u4e2d\u7684Loop&#xff0c;\u90a3\u4e48\u5982\u679c\u5f15\u5165\u94fe\u63a5\u7ba1\u7406&#xff0c;\u90a3\u4e48\u6211\u4eec\u7ed9Dispatcher\u7684\u65f6\u95f4\u5c31\u4e0d\u5e94\u8be5\u662f-1\u4e86&#xff0c;\u800c\u662f\u5e94\u8be5\u662f\u8fc7\u671f\u65f6\u95f4&#xff0c;\u6839\u636e\u5806\u9876\u7684\u94fe\u63a5\u7684\u8fc7\u671f\u65f6\u95f4\u8fdb\u884c\u52a8\u6001\u8c03\u6574&#xff0c;\u5f53\u5806\u9876\u7684\u8fc7\u671f\u65f6\u95f4\u5230\u4e86&#xff0c;\u5e76\u4e14\u5982\u679c\u5ba2\u6237\u7aef\u957f\u65f6\u95f4\u4e0d\u6d3b\u8dc3&#xff0c;\u5e76\u4e14\u8d85\u8fc7\u4e86\u8fd9\u4e2a\u9650\u5b9a\u7684\u4e8b\u4ef6&#xff0c;\u90a3\u4e48\u6211\u4eec\u5c31\u5c06\u5ba2\u6237\u7aef\u7684\u94fe\u63a5\u91ca\u653e\u6389&#xff0c;\u7136\u540e\u518d\u4ece\u6700\u5c0f\u5806\u4e2d\u9009\u51fa\u53bb\u9664\u5806\u9876\u540e\u7684\u8fc7\u671f\u65f6\u95f4\u6700\u5c0f\u7684\u5bf9\u8c61\u5373\u53ef<\/li>\n<li>\u6240\u4ee5\u4e0b\u9762\u6211\u4eec\u6765\u8bb2\u89e3\u4e00\u4e0breactor\u7684\u7406\u8bba&#xff0c;reactor\u5982\u679c\u8981\u771f\u6b63\u5b9e\u73b0\u5176\u5b9e\u662f\u4e00\u4e2a\u534a\u540c\u6b65\u534a\u5f02\u6b65\u6a21\u578b&#xff0c;\u800c\u5c0f\u7f16\u672c\u6587\u5b9e\u73b0\u7684\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u5b9e\u73b0reactor\u53cd\u5e94\u5806&#xff0c;\u5176\u5b9e\u662f\u4e00\u4e2a\u540c\u6b65\u6a21\u578b&#xff0c;\u56e0\u4e3aIO &#061; \u7b49\u5f85 &#043; \u62f7\u8d1d&#xff0c;\u6211\u4eec\u5f53\u524d\u53ea\u6709\u4e00\u4e2a\u8fdb\u7a0b\u8fdb\u7a0b\u4e2d\u53ea\u6709\u4e00\u4e2a\u4e3b\u7ebf\u7a0b<\/li>\n<li>\u6240\u4ee5\u4e3b\u7ebf\u7a0b\u8d1f\u8d23\u7b49\u5f85fd\u4e0a\u7684\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u5e76\u4e14\u8fd8\u8981\u8d1f\u8d23\u8fdb\u884c\u6570\u636e\u7684\u62f7\u8d1d&#xff0c;\u6240\u4ee5\u4e25\u683c\u6765\u8bb2\u6211\u4eec\u5f53\u524d\u5b9e\u73b0\u7684reactor\u662f\u540c\u6b65\u6a21\u578b&#xff0c;\u90a3\u4e48\u5982\u4f55\u7406\u89e3\u771f\u6b63\u7684reactor\u5bf9\u5e94\u7684\u534a\u540c\u6b65\u534a\u5f02\u6b65\u6a21\u578b\u5462&#xff1f;<\/li>\n<li>\u9996\u5148\u5c31\u8981\u5f15\u5165\u591a\u7ebf\u7a0b&#xff0c;\u5f15\u5165\u7ebf\u7a0b\u6c60&#xff0c;\u7ad9\u5728\u4e3b\u7ebf\u7a0b\u7684\u89d2\u5ea6&#xff0c;\u4e3b\u7ebf\u7a0b\u53ea\u8d1f\u8d23\u7b49\u5f85&#xff0c;\u90a3\u4e48\u5f53\u83b7\u53d6\u5230\u8fde\u63a5\u4e4b\u540e&#xff0c;\u5c06\u8fde\u63a5\u901a\u8fc7\u7ebf\u7a0b\u6c60\u4ea4\u7ed9\u591a\u4e2a\u65b0\u7ebf\u7a0b\u53bb\u505a&#xff0c;IO &#061; \u7b49\u5f85 &#043; \u62f7\u8d1d&#xff0c;\u4e3b\u7ebf\u7a0b\u53ea\u8fdb\u884c\u4e86\u7b49\u5f85&#xff0c;\u6240\u4ee5\u5bf9\u4e8e\u4e3b\u7ebf\u7a0b\u6765\u8bb2\u662f\u534a\u540c\u6b65&#xff0c;\u90a3\u4e48\u65b0\u7ebf\u7a0b\u83b7\u53d6\u5230\u4e86\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26fd&#xff0c;\u5982\u679c\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26fd\u5c31\u7eea\u4e86&#xff0c;\u90a3\u4e48\u53bb\u8fdb\u884c\u63d0\u4f9b\u670d\u52a1\u7684&#xff0c;\u53bb\u8fdb\u884c\u62f7\u8d1d\u7684\u5c31\u4e0d\u662f\u4e3b\u7ebf\u7a0b\u6765\u505a\u4e86&#xff0c;\u800c\u662f\u8981\u65b0\u7ebf\u7a0b\u53bb\u505a&#xff0c;\u6240\u4ee5\u4e3b\u7ebf\u7a0b\u5e76\u6ca1\u6709\u53c2\u4e0e\u63d0\u4f9b\u670d\u52a1&#xff0c;\u8fdb\u884c\u62f7\u8d1d\u7684\u5de5\u4f5c&#xff0c;\u6240\u4ee5\u5bf9\u4e8e\u4e3b\u7ebf\u7a0b\u6765\u8bb2&#xff0c;\u9488\u5bf9\u63d0\u4f9b\u670d\u52a1&#xff0c;\u8fdb\u884c\u62f7\u8d1d&#xff0c;\u4e3b\u7ebf\u7a0b\u662f\u534a\u5f02\u6b65\u7684<\/li>\n<li>\u6240\u4ee5\u6211\u4eec\u624d\u8bf4\u4e3b\u7ebf\u7a0b\u7684reactor\u53cd\u5e94\u5806\u662f\u4e00\u4e2a\u534a\u540c\u6b65\u534a\u5f02\u6b65\u6a21\u578b&#xff0c;reactor\u53c8\u53eb\u505a\u53cd\u5e94\u5806&#xff0c;\u90a3\u4e48\u6211\u4eec\u8be5\u5982\u4f55\u7406\u89e3\u8fd9\u91cc\u7684\u53cd\u5e94\u5806\u5462&#xff1f;\u90a3\u4e48\u8fd9\u91cc\u5c0f\u7f16\u5f15\u5165\u4e00\u4e2a\u6253\u5730\u9f20\u6e38\u620f\u5e2e\u52a9\u5927\u5bb6\u8fdb\u884c\u7406\u89e3&#xff0c;\u5982\u4e0b <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204011657-69829e09810b7.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"500\" \/><\/li>\n<li>\u90a3\u4e48reactor\u53cd\u5e94\u5806\u5176\u5b9e\u5c31\u50cf\u6253\u5730\u9f20\u4e00\u6837&#xff0c;\u90a3\u4e48\u6709\u5f88\u591a\u7684\u5730\u6d1e&#xff0c;\u6bcf\u4e00\u4e2a\u5730\u6d1e\u4e2d\u90fd\u6709\u53ef\u80fd\u51fa\u73b0\u5730\u9f20&#xff0c;\u89c4\u5b9a\u4e00\u4e2a\u73a9\u5bb6\u53ea\u80fd\u62ff\u4e00\u4e2a\u9524\u5b50&#xff0c;\u5982\u679c\u73a9\u5bb6\u53ea\u6709\u4e00\u4e2a&#xff0c;\u90a3\u4e48\u5982\u679c\u5730\u9f20\u5192\u51fa\u6765\u53ea\u80fd\u662f\u4e00\u4e2a\u9524\u5b50\u6765\u7838\u5730\u9f20 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204011657-69829e099baa7.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"700\" \/><\/li>\n<li>\u90a3\u4e48\u5982\u679c\u6b64\u65f6\u6709\u591a\u4e2a\u73a9\u5bb6&#xff0c;\u90a3\u4e48\u5373\u4f7f\u4e00\u4e2a\u73a9\u5bb6\u53ea\u80fd\u6301\u6709\u4e00\u4e2a\u9524\u5b50&#xff0c;\u90a3\u4e48\u6b64\u65f6\u9524\u5b50\u4e5f\u80fd\u6709\u5f88\u591a&#xff0c;\u6240\u4ee5\u6b64\u65f6\u5730\u9f20\u4e00\u65e6\u4ece\u5730\u6d1e\u91cc\u9762\u5192\u51fa\u6765&#xff0c;\u7acb\u5373\u5c31\u4f1a\u6709\u9524\u5b50\u53ef\u4ee5\u7838\u5730\u9f20&#xff0c;\u5982\u679c\u540c\u65f6\u6709\u4e09\u4e2a\u5730\u9f20\u5192\u51fa\u6765&#xff0c;\u90a3\u4e48\u4e00\u77ac\u95f4\u4e09\u4e2a\u9524\u5b50\u5c31\u4f1a\u7838\u5730\u9f20<\/li>\n<li>\u6240\u4ee5\u5730\u6d1e\u5c31\u76f8\u5f53\u4e8e\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7684\u94fe\u63a5&#xff0c;\u800c\u5730\u9f20\u5c31\u76f8\u5f53\u4e8e\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42&#xff0c;\u5730\u9f20\u4ec0\u4e48\u65f6\u5019\u5192\u51fa\u6765\u6211\u4eec\u4e0d\u77e5\u9053&#xff0c;\u540c\u6837\u7684\u5ba2\u6237\u7aef\u4ec0\u4e48\u65f6\u5019\u8bf7\u6c42\u670d\u52a1\u5668\u7684\u670d\u52a1\u6211\u4eec\u4e5f\u4e0d\u77e5\u9053&#xff0c;\u5f88\u7c7b\u4f3c&#xff0c;\u6240\u4ee5\u5982\u679c\u662f\u6211\u4eec\u7684\u8fdb\u7a0b\u4e2d\u53ea\u6709\u4e00\u4e2a\u4e3b\u7ebf\u7a0b&#xff0c;\u6240\u4ee5\u53ea\u80fd\u662f\u540c\u6b65\u6a21\u578b&#xff0c;\u53ea\u80fd\u6709\u4e3b\u7ebf\u7a0b\u4e00\u4e2a\u9524\u5b50\u7838\u5730\u9f20&#xff0c;\u5373\u53ea\u80fd\u4e00\u4e2a\u4e3b\u7ebf\u7a0b\u5904\u7406\u670d\u52a1<\/li>\n<li>\u90a3\u4e48\u5982\u679c\u6211\u4eec\u7684\u8fdb\u7a0b\u4e2d\u4e0d\u53ea\u6709\u4e3b\u7ebf\u7a0b&#xff0c;\u90a3\u4e48\u5f15\u5165\u4e86\u7ebf\u7a0b\u6c60&#xff0c;\u6709\u591a\u4e2a\u65b0\u7ebf\u7a0b&#xff0c;\u6b64\u65f6\u7684\u6a21\u578b\u5c31\u662f\u534a\u540c\u6b65\u534a\u5f02\u6b65\u6a21\u578b&#xff0c;\u90a3\u4e48\u8fd9\u591a\u4e2a\u65b0\u7ebf\u7a0b\u7684\u6548\u7387\u5c31\u6bd4\u8f83\u9ad8\u4e86&#xff0c;\u6bcf\u4e00\u4e2a\u65b0\u7ebf\u7a0b\u90fd\u6709\u4e00\u4e2a\u9524\u5b50\u53ef\u4ee5\u7838\u5730\u9f20&#xff0c;\u6240\u4ee5\u6bcf\u4e00\u4e2a\u65b0\u7ebf\u7a0b\u90fd\u53ef\u4ee5\u63d0\u4f9b\u670d\u52a1&#xff0c;\u5373\u4f7f\u540c\u4e00\u65f6\u95f4\u6709\u5f88\u591a\u4e2a\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u6765\u4e86&#xff0c;\u90a3\u4e48\u591a\u4e2a\u65b0\u7ebf\u7a0b\u5904\u7406\u63d0\u4f9b\u670d\u52a1\u5c31\u662f\u4e86<\/li>\n<li>\u6240\u4ee5\u5982\u679c\u8fd9\u4e2a\u7838\u5730\u9f20\u662f\u4e00\u4e2a\u6e38\u620f&#xff0c;\u53ef\u4ee5\u8fdb\u884c\u7f51\u7edc\u7684\u8fdc\u7aef\u8054\u673a&#xff0c;\u90a3\u4e48\u8981\u6c42\u591a\u4eba\u534f\u4f5c\u5171\u540c\u7838\u5730\u9f20&#xff0c;\u6240\u4ee5\u6e38\u620f\u5c31\u4f1a\u901a\u77e5\u73a9\u5bb6\u4e00\u5173\u5fc31&#xff0c;2&#xff0c;3\u6d1e\u53e3&#xff0c;\u73a9\u5bb6\u4e8c\u5173\u5fc34&#xff0c;5&#xff0c;6\u6d1e\u53e3&#xff0c;\u73a9\u5bb6\u4e09\u5173\u5fc37&#xff0c;8&#xff0c;9\u6d1e\u53e3&#xff0c;\u5982\u679c\u73a9\u5bb6\u5173\u5fc3\u7684\u6d1e\u53e3\u6709\u5730\u9f20\u51fa\u73b0\u4e86&#xff0c;\u8bf7\u73a9\u5bb6\u64cd\u7eb5\u9524\u5b50\u53bb\u7838\u5730\u9f20<\/li>\n<li>\u90a3\u4e48\u7c7b\u6bd4\u4e00\u4e0b&#xff0c;\u5728\u534a\u540c\u6b65\u534a\u5f02\u6b65\u7684reactor\u7684\u53cd\u5e94\u5806\u4e2d&#xff0c;\u4e3b\u7ebf\u7a0b\u7684\u4f5c\u7528\u5c31\u4ec5\u4ec5\u8d1f\u8d23\u83b7\u5f97\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26fd&#xff0c;\u7136\u540e\u4e3b\u7ebf\u7a0b\u5c06\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26fd\u901a\u8fc7\u7ebf\u7a0b\u6c60\u4ea4\u7ed9\u65b0\u7ebf\u7a0b&#xff0c;\u65b0\u7ebf\u7a0b\u8d1f\u8d23\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26fd&#xff0c;\u5982\u679c\u6587\u4ef6\u63cf\u8ff0\u7b26fd\u4e0a\u7684\u4e8b\u4ef6\u5c31\u7eea\u4e86&#xff0c;\u90a3\u4e48\u65b0\u7ebf\u7a0b\u5c31\u8981\u5904\u7406fd\u4e0a\u7684\u4e8b\u4ef6&#xff0c;\u63d0\u4f9b\u670d\u52a1&#xff0c;\u522b\u5fd8\u4e86\u4e00\u4e2a\u73a9\u5bb6\u53ef\u80fd\u8d1f\u8d23\u591a\u4e2a\u6d1e\u53e3&#xff0c;\u5373\u4e00\u4e2a\u65b0\u7ebf\u7a0b\u4e5f\u53ef\u80fd\u8981\u8d1f\u8d23\u591a\u4e2a\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26fd<\/li>\n<li>\u6240\u4ee5\u5728\u534a\u540c\u6b65\u534a\u5f02\u6b65\u7684reactor\u7684\u53cd\u5e94\u5806\u4e2d&#xff0c;\u4e3b\u7ebf\u7a0b\u4f5c\u4e3areactor\u53ea\u8d1f\u8d23\u5c06\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26fd\u8fdb\u884c\u83b7\u53d6&#xff0c;\u591a\u4e2a\u65b0\u7ebf\u7a0b\u4e5f\u4f5c\u4e3areactor\u8d1f\u8d23\u5bf9\u5404\u81ea\u5173\u5fc3\u7684\u591a\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26fd\u4e0a\u7684\u4e8b\u4ef6&#xff0c;\u5982\u679c\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u90a3\u4e48\u5c31\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1<\/li>\n<li>\u6240\u4ee5\u81f3\u6b64\u6211\u4eec\u7684\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u5b9e\u73b0reactor\u53cd\u5e94\u5806\u624d\u7b97\u771f\u6b63\u7684\u5b8c\u7ed3<\/li>\n<h3>\u4e94\u3001\u5199\u535a\u5ba2\u4e00\u5e74\u7684\u603b\u7ed3<\/h3>\n<li>\u6240\u4ee5\u81f3\u6b64\u6211\u4eec\u7684\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u5b9e\u73b0reactor\u53cd\u5e94\u5806\u624d\u7b97\u771f\u6b63\u7684\u5b8c\u7ed3 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204011657-69829e09d0ee9.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"450\" \/><\/li>\n<li>\u90a3\u4e48\u5199\u5230\u8fd9\u91cc\u5176\u5b9e\u5c0f\u7f16\u5df2\u7ecf\u4e0d\u77e5\u4e0d\u89c9\u5199\u4e864.4\u4e07\u5b57&#xff0c;\u633a\u591a\u7684&#xff0c;\u4e5f\u7b97\u662f\u5c0f\u7f16\u5199\u8fc7\u7684\u6700\u957f\u7684\u6587\u7ae0\u4e86&#xff0c;\u90a3\u4e48\u672c\u6587\u7684\u4ee5ET\u6a21\u5f0f\u8fd0\u884c\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u5b9e\u73b0reactor\u53cd\u5e94\u5806\u7684\u8bb2\u89e3\u4e5f\u7b97\u7ed3\u675f\u4e86<\/li>\n<li>\u800creactor\u53cd\u5e94\u5806\u7684\u5b9e\u73b0\u4e5f\u662f\u5c0f\u7f16\u8bb2\u89e3\u7684\u8ba1\u7b97\u673a\u7f51\u7edc\u7684\u6700\u540e\u4e00\u7bc7\u6587\u7ae0&#xff0c;\u4e5f\u610f\u5473\u7740\u8ba1\u7b97\u673a\u7f51\u7edc\u6a21\u5757\u5c0f\u7f16\u4e5f\u5df2\u7ecf\u5e26\u9886\u7740\u5404\u4f4d\u8bfb\u8005\u53cb\u53cb\u5b66\u4e60\u5b8c\u4e86&#xff0c;\u6240\u4ee5\u81f3\u6b64linux\u4e5f\u5c31\u5b8c\u7ed3\u4e86&#xff0c;\u8fd8\u662f\u633a\u6709\u611f\u6168\u7684&#xff0c;\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u7b2c\u4e00\u7bc7\u535a\u5ba2&#xff0c;\u5c0f\u7f16\u4ece\u6700\u521d\u7684\u5f00\u59cb\u5199\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u7b2c\u4e00\u7bc7\u535a\u5ba2\u5230\u73b0\u5728\u5df2\u7ecf\u4e00\u5e74\u591a\u4e86&#xff0c;\u5177\u4f53\u70b9\u662f380\u5929 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204011657-69829e09dd874.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" 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\u60ca\u9e3f\u56db\u6563\u9c7c\u9003\u5c3d&#xff0c;\u552f\u6709\u6b8b\u5e06\u50b2\u6b64\u95f4\u3002 \u5f85\u5230\u5929\u5f00\u4e91\u96fe\u6563&#xff0c;\u8d1f\u624b\u76f4\u671b\u7b11\u82cd\u5929&#xff01; \u6211\u6e05\u695a\u7684\u77e5\u9053&#xff0c;\u4eba\u4e0e\u4eba\u7684\u8def\u90fd\u662f\u4e0d\u53ef\u590d\u5236\u7684&#xff0c;\u6211\u8d70\u5728\u6211\u81ea\u5df1\u7684\u4eba\u751f\u8def\u4e0a&#xff0c;\u54ea\u6015\u8def\u9014\u7684\u98ce\u96e8\u592a\u5927&#xff0c;\u5927\u5230\u6211\u6b65\u5c65\u7ef4\u8270&#xff0c;\u54ea\u6015\u8346\u68d8\u4e1b\u751f&#xff0c;\u523a\u5f97\u6211\u4f24\u75d5\u904d\u5e03&#xff0c;\u6211\u4e5f\u4ecd\u65e7\u75f4\u75f4\u7b11\u7b11&#xff0c;\u6211\u4f53\u4f1a\u6b64\u4e2d\u6ecb\u5473&#xff0c;\u5475\u5475\u5475&#xff0c;\u6211\u76f8\u4fe1\u72ec\u6709\u7684\u5c0f\u8239\u7ec8\u6709\u4e00\u5929\u4f1a\u770b\u5230\u4e24\u5cb8\u7fa4\u5c71\u9752\u7fe0\u866b\u9e1f\u540c\u9e23\u2026\u2026<\/li>\n<li>\u6211\u4eec\u90fd\u662f\u5c0f\u4eba\u7269&#xff0c;\u4e00\u5b9a\u8981\u575a\u6301&#xff0c;\u4e00\u5b9a\u8981\u4e0d\u65ad\u7684\u524d\u884c&#xff0c;\u6211\u4eec\u90fd\u8d70\u5728\u81ea\u5df1\u7684\u4eba\u751f\u8def\u4e0a&#xff0c;\u5c0f\u7f16\u76ee\u524d\u9636\u6bb5\u7684\u535a\u5ba2\u4e4b\u8def\u5df2\u7ecf\u5b8c\u7ed3&#xff0c;\u4f46\u662f\u5c0f\u7f16\u7684\u6280\u672f\u4e4b\u8def\u624d\u521a\u521a\u5f00\u59cb&#xff0c;\u8fd9\u91cc\u5c0f\u7f16\u671f\u671b\u5927\u5bb6\u5305\u62ec\u5c0f\u7f16\u81ea\u5df1\u90fd\u53ef\u4ee5\u6dcc\u8fc7\u81ea\u5df1\u5fc3\u4e2d\u7684\u90a3\u6761\u9006\u6d41\u6cb3<\/li>\n<h3>\u516d\u3001\u6e90\u4ee3\u7801<\/h3>\n<h4>ClientCal.cc<\/h4>\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;string&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;ctime&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\">&#034;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;Protocol.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> proc<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\\\\n\\\\t&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> proc <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; serverip serverport&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ .\/clientcal serverip serverport<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> argc<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">char<\/span><span class=\"token operator\">*<\/span> argv<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\">if<\/span><span class=\"token punctuation\">(<\/span>argc <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/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 punctuation\">}<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>string serverip <span class=\"token operator\">&#061;<\/span> argv<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\">uint16_t<\/span> serverport <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">stoi<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    Sock sockfd<span class=\"token punctuation\">;<\/span><br \/>\n    sockfd<span class=\"token punctuation\">.<\/span><span class=\"token function\">Socket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> r <span class=\"token operator\">&#061;<\/span> sockfd<span class=\"token punctuation\">.<\/span><span class=\"token function\">Connect<\/span><span class=\"token punctuation\">(<\/span>serverip<span class=\"token punctuation\">,<\/span> serverport<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>r<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">srand<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">time<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string opers <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;&#043;-*\/%~?&#064;&#061;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> cnt <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>string inbuffer_stream<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span>cnt <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;&#8212;&#8212;&#8212;&#8212;\u7b2c&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> cnt <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u6b21\u6d4b\u8bd5&#8212;&#8212;&#8212;&#8212;-&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> x <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">rand<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> <span class=\"token number\">10<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">usleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">123<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> y <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">rand<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">usleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">654<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> oper <span class=\"token operator\">&#061;<\/span> opers<span class=\"token punctuation\">[<\/span><span class=\"token function\">rand<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> opers<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><\/p>\n<p>        Request <span class=\"token function\">req<\/span><span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">,<\/span> y<span class=\"token punctuation\">,<\/span> oper<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        req<span class=\"token punctuation\">.<\/span><span class=\"token function\">DebugPrint<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        std<span class=\"token double-colon punctuation\">::<\/span>string package<span class=\"token punctuation\">;<\/span><br \/>\n        req<span class=\"token punctuation\">.<\/span><span class=\"token function\">Serialize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>package<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        package <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">Encode<\/span><span class=\"token punctuation\">(<\/span>package<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">.<\/span><span class=\"token function\">Fd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> package<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> package<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 comment\">\/\/ std::cout &lt;&lt; &#034;\u8fd9\u662f\u6700\u65b0\u7684\u53d1\u9001\u51fa\u53bb\u7684\u8bf7\u6c42&#034; &lt;&lt; std::endl &lt;&lt; package;<\/span><br \/>\n        <span class=\"token comment\">\/\/ write(sockfd.Fd(), package.c_str(), package.size());<\/span><br \/>\n        <span class=\"token comment\">\/\/ std::cout &lt;&lt; &#034;\u8fd9\u662f\u6700\u65b0\u7684\u53d1\u9001\u51fa\u53bb\u7684\u8bf7\u6c42&#034; &lt;&lt; std::endl &lt;&lt; package;<\/span><br \/>\n        <span class=\"token comment\">\/\/ write(sockfd.Fd(), package.c_str(), package.size());<\/span><br \/>\n        <span class=\"token comment\">\/\/ std::cout &lt;&lt; &#034;\u8fd9\u662f\u6700\u65b0\u7684\u53d1\u9001\u51fa\u53bb\u7684\u8bf7\u6c42&#034; &lt;&lt; std::endl &lt;&lt; package;<\/span><\/p>\n<p>        <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">128<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        ssize_t n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">.<\/span><span class=\"token function\">Fd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<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>n <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            buffer<span class=\"token punctuation\">[<\/span>n<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            inbuffer_stream <span class=\"token operator\">&#043;&#061;<\/span> buffer<span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> inbuffer_stream <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p>            std<span class=\"token double-colon punctuation\">::<\/span>string content<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">bool<\/span> r <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">Decode<\/span><span class=\"token punctuation\">(<\/span>inbuffer_stream<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>content<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>r<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            Response resp<span class=\"token punctuation\">;<\/span><br \/>\n            r <span class=\"token operator\">&#061;<\/span> resp<span class=\"token punctuation\">.<\/span><span class=\"token function\">Deserialize<\/span><span class=\"token punctuation\">(<\/span>content<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>r<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            resp<span class=\"token punctuation\">.<\/span><span class=\"token function\">DebugPrint<\/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>n <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token function\">sleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        cnt<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    sockfd<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><\/p>\n<p>    <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<h4>Comm.hpp<\/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;cstdlib&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;fcntl.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;Socket.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">SetNonBlockOrDie<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sock<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> fl <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">fcntl<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> F_GETFL<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>fl <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span>NON_BLOCK_ERR<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">fcntl<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> F_SETFL<span class=\"token punctuation\">,<\/span> fl <span class=\"token operator\">|<\/span> O_NONBLOCK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>Epoller.hpp<\/h4>\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;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;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\/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\">&#034;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;nocopy.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Epoller<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">nocopy<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> size <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">128<\/span><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\">Epoller<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _epfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_create<\/span><span class=\"token punctuation\">(<\/span>size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_epfd <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Error<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;epoll_create error: %s&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">strerror<\/span><span class=\"token punctuation\">(<\/span>errno<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><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Info<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;epoller_create success, epfd: %d&#034;<\/span><span class=\"token punctuation\">,<\/span> _epfd<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\">int<\/span> <span class=\"token function\">EpollerWait<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> revents<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> num<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> timeout<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ int n &#061; epoll_wait(_epfd, revents, num, _timeout);<\/span><br \/>\n        <span class=\"token comment\">\/\/ int n &#061; epoll_wait(_epfd, revents, num, 0);<\/span><br \/>\n        <span class=\"token comment\">\/\/ int n &#061; epoll_wait(_epfd, revents, num, -1);<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_wait<\/span><span class=\"token punctuation\">(<\/span>_epfd<span class=\"token punctuation\">,<\/span> revents<span class=\"token punctuation\">,<\/span> num<span class=\"token punctuation\">,<\/span> timeout<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> n<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\">EpollerUpdate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> oper<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> sock<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint32_t<\/span> event<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>oper <span class=\"token operator\">&#061;&#061;<\/span> EPOLL_CTL_DEL<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_ctl<\/span><span class=\"token punctuation\">(<\/span>_epfd<span class=\"token punctuation\">,<\/span> oper<span class=\"token punctuation\">,<\/span> sock<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Error<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;epoll_ctl delete error&#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 keyword\">else<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ EPOLL_CTL_ADD || EPOLL_CTL_MOD<\/span><br \/>\n            <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> ev<span class=\"token punctuation\">;<\/span><br \/>\n            ev<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>fd <span class=\"token operator\">&#061;<\/span> sock<span class=\"token punctuation\">;<\/span><br \/>\n            ev<span class=\"token punctuation\">.<\/span>events <span class=\"token operator\">&#061;<\/span> event<span class=\"token punctuation\">;<\/span><\/p>\n<p>            n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_ctl<\/span><span class=\"token punctuation\">(<\/span>_epfd<span class=\"token punctuation\">,<\/span> oper<span class=\"token punctuation\">,<\/span> sock<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>ev<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Error<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;epoll_ctl error&#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 keyword\">return<\/span> n<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">Epoller<\/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>_epfd <span class=\"token operator\">&gt;&#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\">close<\/span><span class=\"token punctuation\">(<\/span>_epfd<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 keyword\">int<\/span> _epfd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ int _timeout{3000};<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>Log.hpp<\/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;string&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;ctime&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;cstdio&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;cstdarg&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\/types.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\/stat.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;fcntl.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;unistd.h&gt;<\/span><\/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\">SIZE<\/span> <span class=\"token expression\"><span class=\"token number\">1024<\/span><\/span><\/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\">Info<\/span>   <span class=\"token expression\"><span class=\"token number\">0<\/span><\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">Debug<\/span>  <span class=\"token expression\"><span class=\"token number\">1<\/span><\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">Warning<\/span> <span class=\"token expression\"><span class=\"token number\">2<\/span><\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">Error<\/span>  <span class=\"token expression\"><span class=\"token number\">3<\/span><\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">Fatal<\/span>  <span class=\"token expression\"><span class=\"token number\">4<\/span><\/span><\/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\">Screen<\/span> <span class=\"token expression\"><span class=\"token number\">1<\/span>     <\/span><span class=\"token comment\">\/\/\u8f93\u51fa\u5230\u5c4f\u5e55\u4e0a<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">Onefile<\/span> <span class=\"token expression\"><span class=\"token number\">2<\/span>    <\/span><span class=\"token comment\">\/\/\u8f93\u51fa\u5230\u4e00\u4e2a\u6587\u4ef6\u4e2d<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">Classfile<\/span> <span class=\"token expression\"><span class=\"token number\">3<\/span>  <\/span><span class=\"token comment\">\/\/\u6839\u636e\u4e8b\u4ef6\u7b49\u7ea7\u8f93\u51fa\u5230\u4e0d\u540c\u7684\u6587\u4ef6\u4e2d<\/span><\/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\">LogFile<\/span> <span class=\"token string\">&#034;log.txt&#034;<\/span> <span class=\"token comment\">\/\/\u65e5\u5fd7\u540d\u79f0<\/span><\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Log<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">Log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        printMethod <span class=\"token operator\">&#061;<\/span> Screen<span class=\"token punctuation\">;<\/span><br \/>\n        path <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;.\/log\/&#034;<\/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\">Enable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> method<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/\u6539\u53d8\u65e5\u5fd7\u6253\u5370\u65b9\u5f0f<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        printMethod <span class=\"token operator\">&#061;<\/span> method<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">Log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token function\">levelToString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> level<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">switch<\/span><span class=\"token punctuation\">(<\/span>level<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> Info<span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;Info&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> Debug<span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;Debug&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> Warning<span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;Warning&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> Error<span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;Error&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> Fatal<span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;Fatal&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">default<\/span><span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;&#034;<\/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\">void<\/span> <span class=\"token keyword\">operator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> level<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span><span class=\"token operator\">*<\/span> format<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 punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u9ed8\u8ba4\u90e8\u5206 &#061; \u65e5\u5fd7\u7b49\u7ea7 &#043; \u65e5\u5fd7\u65f6\u95f4<\/span><br \/>\n        time_t t <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">time<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">tm<\/span><span class=\"token operator\">*<\/span> ctime <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">localtime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>t<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> leftbuffer<span class=\"token punctuation\">[<\/span>SIZE<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">snprintf<\/span><span class=\"token punctuation\">(<\/span>leftbuffer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>leftbuffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;[%s][%d-%d-%d %d:%d:%d]&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">levelToString<\/span><span class=\"token punctuation\">(<\/span>level<span class=\"token punctuation\">)<\/span><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><br \/>\n        ctime<span class=\"token operator\">-&gt;<\/span>tm_year <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1900<\/span><span class=\"token punctuation\">,<\/span> ctime<span class=\"token operator\">-&gt;<\/span>tm_mon <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> ctime<span class=\"token operator\">-&gt;<\/span>tm_mday<span class=\"token punctuation\">,<\/span><br \/>\n        ctime<span class=\"token operator\">-&gt;<\/span>tm_hour<span class=\"token punctuation\">,<\/span> ctime<span class=\"token operator\">-&gt;<\/span>tm_min<span class=\"token punctuation\">,<\/span> ctime<span class=\"token operator\">-&gt;<\/span>tm_sec<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        va_list s<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">va_start<\/span><span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">,<\/span> format<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> rightbuffer<span class=\"token punctuation\">[<\/span>SIZE<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">vsnprintf<\/span><span class=\"token punctuation\">(<\/span>rightbuffer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>rightbuffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> format<span class=\"token punctuation\">,<\/span> s<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">va_end<\/span><span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">char<\/span> logtxt<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> SIZE<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">snprintf<\/span><span class=\"token punctuation\">(<\/span>logtxt<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>logtxt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;%s %s&#034;<\/span><span class=\"token punctuation\">,<\/span> leftbuffer<span class=\"token punctuation\">,<\/span> rightbuffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token function\">printLog<\/span><span class=\"token punctuation\">(<\/span>level<span class=\"token punctuation\">,<\/span> logtxt<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\">printLog<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> level<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> logtxt<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">switch<\/span><span class=\"token punctuation\">(<\/span>printMethod<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> Screen<span class=\"token operator\">:<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> logtxt <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> Onefile<span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token function\">printOneFile<\/span><span class=\"token punctuation\">(<\/span>LogFile<span class=\"token punctuation\">,<\/span> logtxt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> Classfile<span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token function\">printClassFile<\/span><span class=\"token punctuation\">(<\/span>level<span class=\"token punctuation\">,<\/span> logtxt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">default<\/span><span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token keyword\">break<\/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\">void<\/span> <span class=\"token function\">printOneFile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> logname<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> logtxt<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string _logname <span class=\"token operator\">&#061;<\/span> path <span class=\"token operator\">&#043;<\/span> logname<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> fd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">open<\/span><span class=\"token punctuation\">(<\/span>_logname<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> O_WRONLY <span class=\"token operator\">|<\/span> O_CREAT <span class=\"token operator\">|<\/span> O_APPEND<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0666<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>fd <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><br \/>\n        <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">,<\/span> logtxt<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> logtxt<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 function\">close<\/span><span class=\"token punctuation\">(<\/span>fd<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\">printClassFile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> level<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> logtxt<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string filename <span class=\"token operator\">&#061;<\/span> LogFile<span class=\"token punctuation\">;<\/span><br \/>\n        filename <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token string\">&#034;.&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        filename <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token function\">levelToString<\/span><span class=\"token punctuation\">(<\/span>level<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token function\">printOneFile<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">,<\/span> logtxt<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 keyword\">int<\/span> printMethod<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string path<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>Log lg<span class=\"token punctuation\">;<\/span><\/p>\n<h4>Main.cc<\/h4>\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;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\">&#034;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;TcpServer.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;ServerCal.hpp&#034;<\/span><\/span><\/p>\n<p>ServerCal calculator<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">DefaultOnMessage<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span> connection<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u4e0a\u5c42\u5f97\u5230\u4e86\u6570\u636e: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">InBuffer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string response_str <span class=\"token operator\">&#061;<\/span> calculator<span class=\"token punctuation\">.<\/span><span class=\"token function\">Calculator<\/span><span class=\"token punctuation\">(<\/span>connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">InBuffer<\/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>response_str<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/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 punctuation\">;<\/span><br \/>\n    <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Debug<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;%s&#034;<\/span><span class=\"token punctuation\">,<\/span> response_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><span class=\"token punctuation\">;<\/span><\/p>\n<p>    connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">AppendOutBuffer<\/span><span class=\"token punctuation\">(<\/span>response_str<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">auto<\/span> tcp_server_ptr <span class=\"token operator\">&#061;<\/span> connection<span class=\"token operator\">-&gt;<\/span>_tcp_server_ptr<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    tcp_server_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Sender<\/span><span class=\"token punctuation\">(<\/span>connection<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    std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>TcpServer<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">epoll_svr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8080<\/span><span class=\"token punctuation\">,<\/span> DefaultOnMessage<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    epoll_svr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    epoll_svr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Loop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <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<h4>makefile<\/h4>\n<p>.PHONY:all<br \/>\nall:reactor_client reactor_server<\/p>\n<p>reactor_client:ClientCal.cc<br \/>\ng&#043;&#043; -o <span class=\"token variable\">$&#064;<\/span> $^ -std<span class=\"token operator\">&#061;<\/span>c&#043;&#043;11 -ljsoncpp<br \/>\nreactor_server:Main.cc<br \/>\ng&#043;&#043; -o <span class=\"token variable\">$&#064;<\/span> $^ -std<span class=\"token operator\">&#061;<\/span>c&#043;&#043;11 -ljsoncpp<\/p>\n<p>.PHONY:clean<br \/>\nclean:<br \/>\n<span class=\"token function\">rm<\/span> -f reactor_client reactor_server<\/p>\n<h4>nocopy.hpp<\/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 keyword\">class<\/span> <span class=\"token class-name\">nocopy<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">nocopy<\/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><\/p>\n<p>    <span class=\"token function\">nocopy<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> nocopy<span class=\"token operator\">&amp;<\/span> <span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">delete<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">const<\/span> nocopy<span class=\"token operator\">&amp;<\/span> <span class=\"token keyword\">operator<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> nocopy<span class=\"token operator\">&amp;<\/span> <span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">delete<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>Protocol.hpp<\/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;string&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;jsoncpp\/json\/json.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string black_space_sep <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034; &#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string protocol_sep <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 123 &#043; 4 -&gt; len\\\\n123 &#043; 4\\\\n<\/span><br \/>\nstd<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token function\">Encode<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> content<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string package <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>content<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    package <span class=\"token operator\">&#043;&#061;<\/span> protocol_sep<span class=\"token punctuation\">;<\/span><br \/>\n    package <span class=\"token operator\">&#043;&#061;<\/span> content<span class=\"token punctuation\">;<\/span><br \/>\n    package <span class=\"token operator\">&#043;&#061;<\/span> protocol_sep<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> package<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ len\\\\n123 &#043; 4\\\\n -&gt; 123 &#043; 4<\/span><br \/>\n<span class=\"token keyword\">bool<\/span> <span class=\"token function\">Decode<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> package<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">*<\/span> content<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    size_t pos <span class=\"token operator\">&#061;<\/span> package<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>protocol_sep<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>pos <span class=\"token operator\">&#061;&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token double-colon punctuation\">::<\/span>npos<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>string len_str <span class=\"token operator\">&#061;<\/span> package<span class=\"token punctuation\">.<\/span><span class=\"token function\">substr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> pos<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    size_t len <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">stoi<\/span><span class=\"token punctuation\">(<\/span>len_str<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> total_len <span class=\"token operator\">&#061;<\/span> len <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">&#043;<\/span> len_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 operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>package<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> total_len<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 operator\">*<\/span>content <span class=\"token operator\">&#043;&#061;<\/span> package<span class=\"token punctuation\">.<\/span><span class=\"token function\">substr<\/span><span class=\"token punctuation\">(<\/span>pos <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/erase ??<\/span><br \/>\n    package<span class=\"token punctuation\">.<\/span><span class=\"token function\">erase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> total_len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <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 keyword\">class<\/span> <span class=\"token class-name\">Request<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">Request<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> data1<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> data2<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">char<\/span> oper<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">x<\/span><span class=\"token punctuation\">(<\/span>data1<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span> <span class=\"token function\">y<\/span><span class=\"token punctuation\">(<\/span>data2<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span> <span class=\"token function\">op<\/span><span class=\"token punctuation\">(<\/span>oper<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token function\">Request<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/123 &#043; 4<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">Serialize<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">*<\/span> out<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">MySelf        <\/span><\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string s <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        s <span class=\"token operator\">&#043;&#061;<\/span> black_space_sep<span class=\"token punctuation\">;<\/span><br \/>\n        s <span class=\"token operator\">&#043;&#061;<\/span> op<span class=\"token punctuation\">;<\/span><br \/>\n        s <span class=\"token operator\">&#043;&#061;<\/span> black_space_sep<span class=\"token punctuation\">;<\/span><br \/>\n        s <span class=\"token operator\">&#043;&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>y<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token operator\">*<\/span>out <span class=\"token operator\">&#061;<\/span> s<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">else<\/span><\/span><br \/>\n        Json<span class=\"token double-colon punctuation\">::<\/span>Value root<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u521d\u59cb\u5316<\/span><br \/>\n        root<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;x&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> x<span class=\"token punctuation\">;<\/span><br \/>\n        root<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;y&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> y<span class=\"token punctuation\">;<\/span><br \/>\n        root<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;op&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> op<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5e8f\u5217\u5316 \u65e0\u8bba\u662f\u91c7\u7528Json::FastWriter\u8fd8\u662fJson::StyledWriter\u90fd\u53ef\u4ee5<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8fd9\u91cc\u770b\u4e2a\u4eba\u559c\u597d\u81ea\u884c\u9009\u62e9\u5373\u53ef<\/span><br \/>\n        <span class=\"token comment\">\/\/ Json::FastWriter w;<\/span><br \/>\n        Json<span class=\"token double-colon punctuation\">::<\/span>StyledWriter w<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token operator\">*<\/span>out <span class=\"token operator\">&#061;<\/span> w<span class=\"token punctuation\">.<\/span><span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>root<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/123 &#043; 4 -&gt; 123 &#043; 4<\/span><br \/>\n    <span class=\"token comment\">\/\/ 1 &#043; 1<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">Deserialize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> in<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">MySelf        <\/span><\/span><br \/>\n        size_t left <span class=\"token operator\">&#061;<\/span> in<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>black_space_sep<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>left <span class=\"token operator\">&#061;&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token double-colon punctuation\">::<\/span>npos<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        std<span class=\"token double-colon punctuation\">::<\/span>string part_x <span class=\"token operator\">&#061;<\/span> in<span class=\"token punctuation\">.<\/span><span class=\"token function\">substr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> left<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        size_t right <span class=\"token operator\">&#061;<\/span> in<span class=\"token punctuation\">.<\/span><span class=\"token function\">rfind<\/span><span class=\"token punctuation\">(<\/span>black_space_sep<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>right <span class=\"token operator\">&#061;&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token double-colon punctuation\">::<\/span>npos<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        std<span class=\"token double-colon punctuation\">::<\/span>string part_y <span class=\"token operator\">&#061;<\/span> in<span class=\"token punctuation\">.<\/span><span class=\"token function\">substr<\/span><span class=\"token punctuation\">(<\/span>right <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/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>left <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">!&#061;<\/span> right<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        x <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">stoi<\/span><span class=\"token punctuation\">(<\/span>part_x<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        y <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">stoi<\/span><span class=\"token punctuation\">(<\/span>part_y<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        op <span class=\"token operator\">&#061;<\/span> in<span class=\"token punctuation\">[<\/span>left <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">else<\/span><\/span><br \/>\n        Json<span class=\"token double-colon punctuation\">::<\/span>Value root<span class=\"token punctuation\">;<\/span><br \/>\n        Json<span class=\"token double-colon punctuation\">::<\/span>Reader r<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u53cd\u5e8f\u5217\u5316<\/span><br \/>\n        r<span class=\"token punctuation\">.<\/span><span class=\"token function\">parse<\/span><span class=\"token punctuation\">(<\/span>in<span class=\"token punctuation\">,<\/span> root<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u89e3\u6790<\/span><br \/>\n        x <span class=\"token operator\">&#061;<\/span> root<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;x&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">asInt<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        y <span class=\"token operator\">&#061;<\/span> root<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;y&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">asInt<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        op <span class=\"token operator\">&#061;<\/span> root<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;op&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">asInt<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">DebugPrint<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u65b0\u8bf7\u6c42\u6784\u5efa\u5b8c\u6210: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> x <span class=\"token operator\">&lt;&lt;<\/span> op <span class=\"token operator\">&lt;&lt;<\/span> y <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;&#061;?&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<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 keyword\">int<\/span> x<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> y<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">char<\/span> op<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Response<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">Response<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> res<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> c<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">result<\/span><span class=\"token punctuation\">(<\/span>res<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span> <span class=\"token function\">code<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token function\">Response<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/100 0<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">Serialize<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">*<\/span> out<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">MySelf        <\/span><\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string s <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        s <span class=\"token operator\">&#043;&#061;<\/span> black_space_sep<span class=\"token punctuation\">;<\/span><br \/>\n        s <span class=\"token operator\">&#043;&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>code<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token operator\">*<\/span>out <span class=\"token operator\">&#061;<\/span> s<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">else<\/span><\/span><br \/>\n        Json<span class=\"token double-colon punctuation\">::<\/span>Value root<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u521d\u59cb\u5316<\/span><br \/>\n        root<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;result&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> result<span class=\"token punctuation\">;<\/span><br \/>\n        root<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;code&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> code<span class=\"token punctuation\">;<\/span><\/p>\n<p>        Json<span class=\"token double-colon punctuation\">::<\/span>StyledWriter w<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token operator\">*<\/span>out <span class=\"token operator\">&#061;<\/span> w<span class=\"token punctuation\">.<\/span><span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>root<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/100 0<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">Deserialize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> in<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">MySelf        <\/span><\/span><br \/>\n        size_t pos <span class=\"token operator\">&#061;<\/span> in<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>black_space_sep<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>pos <span class=\"token operator\">&#061;&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token double-colon punctuation\">::<\/span>npos<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        std<span class=\"token double-colon punctuation\">::<\/span>string part_left <span class=\"token operator\">&#061;<\/span> in<span class=\"token punctuation\">.<\/span><span class=\"token function\">substr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> pos<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string part_right <span class=\"token operator\">&#061;<\/span> in<span class=\"token punctuation\">.<\/span><span class=\"token function\">substr<\/span><span class=\"token punctuation\">(<\/span>pos <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        result <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">stoi<\/span><span class=\"token punctuation\">(<\/span>part_left<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        code <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">stoi<\/span><span class=\"token punctuation\">(<\/span>part_right<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">else<\/span><\/span><br \/>\n        Json<span class=\"token double-colon punctuation\">::<\/span>Value root<span class=\"token punctuation\">;<\/span><br \/>\n        Json<span class=\"token double-colon punctuation\">::<\/span>Reader r<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u53cd\u5e8f\u5217\u5316<\/span><br \/>\n        r<span class=\"token punctuation\">.<\/span><span class=\"token function\">parse<\/span><span class=\"token punctuation\">(<\/span>in<span class=\"token punctuation\">,<\/span> root<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u89e3\u6790<\/span><br \/>\n        result <span class=\"token operator\">&#061;<\/span> root<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;result&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">asInt<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        code <span class=\"token operator\">&#061;<\/span> root<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;code&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">asInt<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">DebugPrint<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u7ed3\u679c\u54cd\u5e94\u5b8c\u6210, result: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> result <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;, code: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> code <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<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 keyword\">int<\/span> result<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> code<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>ServerCal.hpp<\/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\">&#034;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;Protocol.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">enum<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    Div_Zero <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    Mod_Zero<span class=\"token punctuation\">,<\/span><br \/>\n    Other_Oper<span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ServerCal<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">ServerCal<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    Response <span class=\"token function\">CalculatorHelper<\/span><span class=\"token punctuation\">(<\/span>Request <span class=\"token operator\">&amp;<\/span>req<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Response <span class=\"token function\">resp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/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\">switch<\/span> <span class=\"token punctuation\">(<\/span>req<span class=\"token punctuation\">.<\/span>op<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> <span class=\"token char\">&#039;&#043;&#039;<\/span><span class=\"token operator\">:<\/span><br \/>\n            resp<span class=\"token punctuation\">.<\/span>result <span class=\"token operator\">&#061;<\/span> req<span class=\"token punctuation\">.<\/span>x <span class=\"token operator\">&#043;<\/span> req<span class=\"token punctuation\">.<\/span>y<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> <span class=\"token char\">&#039;-&#039;<\/span><span class=\"token operator\">:<\/span><br \/>\n            resp<span class=\"token punctuation\">.<\/span>result <span class=\"token operator\">&#061;<\/span> req<span class=\"token punctuation\">.<\/span>x <span class=\"token operator\">&#8211;<\/span> req<span class=\"token punctuation\">.<\/span>y<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> <span class=\"token char\">&#039;*&#039;<\/span><span class=\"token operator\">:<\/span><br \/>\n            resp<span class=\"token punctuation\">.<\/span>result <span class=\"token operator\">&#061;<\/span> req<span class=\"token punctuation\">.<\/span>x <span class=\"token operator\">*<\/span> req<span class=\"token punctuation\">.<\/span>y<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> <span class=\"token char\">&#039;\/&#039;<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>req<span class=\"token punctuation\">.<\/span>y <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                resp<span class=\"token punctuation\">.<\/span>code <span class=\"token operator\">&#061;<\/span> Div_Zero<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n                resp<span class=\"token punctuation\">.<\/span>result <span class=\"token operator\">&#061;<\/span> req<span class=\"token punctuation\">.<\/span>x <span class=\"token operator\">\/<\/span> req<span class=\"token punctuation\">.<\/span>y<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> <span class=\"token char\">&#039;%&#039;<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>req<span class=\"token punctuation\">.<\/span>y <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                resp<span class=\"token punctuation\">.<\/span>code <span class=\"token operator\">&#061;<\/span> Mod_Zero<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n                resp<span class=\"token punctuation\">.<\/span>result <span class=\"token operator\">&#061;<\/span> req<span class=\"token punctuation\">.<\/span>x <span class=\"token operator\">%<\/span> req<span class=\"token punctuation\">.<\/span>y<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">default<\/span><span class=\"token operator\">:<\/span><br \/>\n            resp<span class=\"token punctuation\">.<\/span>code <span class=\"token operator\">&#061;<\/span> Other_Oper<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> resp<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token function\">Calculator<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token operator\">&amp;<\/span>package<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u89e3\u7801<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string content<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">bool<\/span> r <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">Decode<\/span><span class=\"token punctuation\">(<\/span>package<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>content<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>r<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        Request req<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u53cd\u5e8f\u5217\u5316<\/span><br \/>\n        r <span class=\"token operator\">&#061;<\/span> req<span class=\"token punctuation\">.<\/span><span class=\"token function\">Deserialize<\/span><span class=\"token punctuation\">(<\/span>content<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>r<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u8ba1\u7b97<\/span><br \/>\n        Response resp <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">CalculatorHelper<\/span><span class=\"token punctuation\">(<\/span>req<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        content <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5e8f\u5217\u5316<\/span><br \/>\n        resp<span class=\"token punctuation\">.<\/span><span class=\"token function\">Serialize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>content<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8f6c\u7801<\/span><br \/>\n        content <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">Encode<\/span><span class=\"token punctuation\">(<\/span>content<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> content<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">ServerCal<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>Socket.hpp<\/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;string&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;sys\/types.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\/socket.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;netinet\/in.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;arpa\/inet.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\">const<\/span> <span class=\"token keyword\">int<\/span> backlog <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">enum<\/span><span class=\"token punctuation\">{<\/span><br \/>\n    SocketErr <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    BindErr<span class=\"token punctuation\">,<\/span><br \/>\n    ListenErr<span class=\"token punctuation\">,<\/span><br \/>\n    NON_BLOCK_ERR<br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Sock<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">Sock<\/span><span class=\"token punctuation\">(<\/span><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 function\">Socket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        sockfd_ <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> SOCK_STREAM<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>sockfd_ <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\">lg<\/span><span class=\"token punctuation\">(<\/span>Fatal<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;socket error, %s : %d&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">strerror<\/span><span class=\"token punctuation\">(<\/span>errno<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> errno<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span>SocketErr<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> opt <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">setsockopt<\/span><span class=\"token punctuation\">(<\/span>sockfd_<span class=\"token punctuation\">,<\/span> SOL_SOCKET<span class=\"token punctuation\">,<\/span> SO_REUSEPORT<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>opt<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>opt<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\">Bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint16_t<\/span> port<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\">sockaddr_in<\/span> local<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> INADDR_ANY<span class=\"token punctuation\">;<\/span><br \/>\n        socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>sockfd_<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span> <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\">lg<\/span><span class=\"token punctuation\">(<\/span>Fatal<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;bind error, %s : %d&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">strerror<\/span><span class=\"token punctuation\">(<\/span>errno<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> errno<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span>BindErr<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\">void<\/span> <span class=\"token function\">Listen<\/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 function\">listen<\/span><span class=\"token punctuation\">(<\/span>sockfd_<span class=\"token punctuation\">,<\/span> backlog<span class=\"token punctuation\">)<\/span> <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\">lg<\/span><span class=\"token punctuation\">(<\/span>Fatal<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;listen error, %s : %d&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">strerror<\/span><span class=\"token punctuation\">(<\/span>errno<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> errno<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span>ListenErr<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\">int<\/span> <span class=\"token function\">Accept<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">*<\/span> clientip<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint16_t<\/span><span class=\"token operator\">*<\/span> clientport<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\">sockaddr_in<\/span> peer<span class=\"token punctuation\">;<\/span><br \/>\n        socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">int<\/span> newfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span>sockfd_<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>len<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\">lg<\/span><span class=\"token punctuation\">(<\/span>Warning<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;accept error, %s : %d&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">strerror<\/span><span class=\"token punctuation\">(<\/span>errno<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> errno<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">char<\/span> ipstr<span class=\"token punctuation\">[<\/span><span class=\"token number\">128<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">inet_ntop<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> ipstr<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>ipstr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token operator\">*<\/span>clientip <span class=\"token operator\">&#061;<\/span> ipstr<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token operator\">*<\/span>clientport <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ntohs<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> newfd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">Connect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> serverip<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint16_t<\/span> serverport<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\">sockaddr_in<\/span> peer<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        peer<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n        peer<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>serverport<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">inet_pton<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> serverip<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> <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>sockfd_<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/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 double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;connect to &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> serverip <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token char\">&#039;:&#039;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> serverport <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<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 punctuation\">}<\/span><\/p>\n<p>        <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 keyword\">void<\/span> <span class=\"token function\">Close<\/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>sockfd_ <span class=\"token operator\">&gt;<\/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\">close<\/span><span class=\"token punctuation\">(<\/span>sockfd_<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\">int<\/span> <span class=\"token function\">Fd<\/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> sockfd_<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">Sock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><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> sockfd_<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>TcpServer.hpp<\/h4>\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;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;string&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;cerrno&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\/types.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\/socket.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;arpa\/inet.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><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;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;nocopy.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;Epoller.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;Comm.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Connection<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">uint32_t<\/span> EVENT_IN <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>EPOLLIN <span class=\"token operator\">|<\/span> EPOLLET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">uint32_t<\/span> EVENT_OUT <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>EPOLLOUT <span class=\"token operator\">|<\/span> EPOLLET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> g_buffer_size <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">128<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">using<\/span> func_t <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Connection<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">Connection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sock<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>weak_ptr<span class=\"token operator\">&lt;<\/span>TcpServer<span class=\"token operator\">&gt;<\/span> tcp_server_ptr<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_sock<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_tcp_server_ptr<\/span><span class=\"token punctuation\">(<\/span>tcp_server_ptr<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 function\">SetHandler<\/span><span class=\"token punctuation\">(<\/span>func_t recv_cb<span class=\"token punctuation\">,<\/span> func_t send_cb<span class=\"token punctuation\">,<\/span> func_t except_cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _recv_cb <span class=\"token operator\">&#061;<\/span> recv_cb<span class=\"token punctuation\">;<\/span><br \/>\n        _send_cb <span class=\"token operator\">&#061;<\/span> send_cb<span class=\"token punctuation\">;<\/span><br \/>\n        _except_cb <span class=\"token operator\">&#061;<\/span> except_cb<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\">AppendInBuffer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> info<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _inbuffer <span class=\"token operator\">&#043;&#061;<\/span> info<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\">AppendOutBuffer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> info<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _outbuffer <span class=\"token operator\">&#043;&#061;<\/span> info<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> <span class=\"token function\">InBuffer<\/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> _inbuffer<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> <span class=\"token function\">OutBuffer<\/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> _outbuffer<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\">SockFd<\/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> _sock<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">Connection<\/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>_sock <span class=\"token operator\">&gt;<\/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\">close<\/span><span class=\"token punctuation\">(<\/span>_sock<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 keyword\">int<\/span> _sock<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string _inbuffer<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string _outbuffer<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    func_t _recv_cb<span class=\"token punctuation\">;<\/span><br \/>\n    func_t _send_cb<span class=\"token punctuation\">;<\/span><br \/>\n    func_t _except_cb<span class=\"token punctuation\">;<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>weak_ptr<span class=\"token operator\">&lt;<\/span>TcpServer<span class=\"token operator\">&gt;<\/span> _tcp_server_ptr<span class=\"token punctuation\">;<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>string _ip<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">uint16_t<\/span> _port<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TcpServer<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token class-name\">enable_shared_from_this<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">TcpServer<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">nocopy<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> num <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">64<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint16_t<\/span> port<span class=\"token punctuation\">,<\/span> func_t OnMessage<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_quit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span> <span class=\"token function\">_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span> <span class=\"token function\">_listensock_ptr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">Sock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span> <span class=\"token function\">_epoller_ptr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">Epoller<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span> <span class=\"token function\">_OnMessage<\/span><span class=\"token punctuation\">(<\/span>OnMessage<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 function\">Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _listensock_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Socket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">SetNonBlockOrDie<\/span><span class=\"token punctuation\">(<\/span>_listensock_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Fd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _listensock_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Bind<\/span><span class=\"token punctuation\">(<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _listensock_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Listen<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Info<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;create listen socket success, listensock: %d&#034;<\/span><span class=\"token punctuation\">,<\/span> _listensock_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Fd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token function\">AddConnection<\/span><span class=\"token punctuation\">(<\/span>_listensock_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Fd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> EVENT_IN<span class=\"token punctuation\">,<\/span> \\\\<br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TcpServer<span class=\"token double-colon punctuation\">::<\/span>Accepter<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>placeholders<span class=\"token double-colon punctuation\">::<\/span>_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">nullptr<\/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\">AddConnection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sock<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint32_t<\/span> events<span class=\"token punctuation\">,<\/span> func_t recv_cb<span class=\"token punctuation\">,<\/span> func_t send_cb<span class=\"token punctuation\">,<\/span> func_t except_cb<span class=\"token punctuation\">,<\/span> \\\\<br \/>\n        <span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> ip <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;0.0.0.0&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint16_t<\/span> port <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">new_connection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">Connection<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> <span class=\"token function\">shared_from_this<\/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        new_connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetHandler<\/span><span class=\"token punctuation\">(<\/span>recv_cb<span class=\"token punctuation\">,<\/span> send_cb<span class=\"token punctuation\">,<\/span> except_cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        new_connection<span class=\"token operator\">-&gt;<\/span>_ip <span class=\"token operator\">&#061;<\/span> ip<span class=\"token punctuation\">;<\/span><br \/>\n        new_connection<span class=\"token operator\">-&gt;<\/span>_port <span class=\"token operator\">&#061;<\/span> port<span class=\"token punctuation\">;<\/span><\/p>\n<p>        _connections<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> new_connection<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        _epoller_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">EpollerUpdate<\/span><span class=\"token punctuation\">(<\/span>EPOLL_CTL_ADD<span class=\"token punctuation\">,<\/span> sock<span class=\"token punctuation\">,<\/span> events<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Debug<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;add a new connection success, sockfd: %d&#034;<\/span><span class=\"token punctuation\">,<\/span> sock<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\">Accepter<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span> connection<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 boolean\">true<\/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\">sockaddr_in<\/span> peer<span class=\"token punctuation\">;<\/span><br \/>\n            socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> sock <span class=\"token operator\">&#061;<\/span> <span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span>connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SockFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>sock <span class=\"token operator\">&gt;&#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 keyword\">uint16_t<\/span> port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ntohs<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">char<\/span> ip<span class=\"token punctuation\">[<\/span><span class=\"token number\">128<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">inet_ntop<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> ip<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>ip<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Debug<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;get a new client, get info -&gt; [%s:%d], sockfd: %d&#034;<\/span><span class=\"token punctuation\">,<\/span> ip<span class=\"token punctuation\">,<\/span> port<span class=\"token punctuation\">,<\/span> sock<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token function\">SetNonBlockOrDie<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token function\">AddConnection<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> EVENT_IN<span class=\"token punctuation\">,<\/span> \\\\<br \/>\n                    std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TcpServer<span class=\"token double-colon punctuation\">::<\/span>Recver<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>placeholders<span class=\"token double-colon punctuation\">::<\/span>_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> \\\\<br \/>\n                    std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TcpServer<span class=\"token double-colon punctuation\">::<\/span>Sender<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>placeholders<span class=\"token double-colon punctuation\">::<\/span>_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> \\\\<br \/>\n                    std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TcpServer<span class=\"token double-colon punctuation\">::<\/span>Excepter<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>placeholders<span class=\"token double-colon punctuation\">::<\/span>_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> \\\\<br \/>\n                    ip<span class=\"token punctuation\">,<\/span> port<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 punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EWOULDBLOCK<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">break<\/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> EINTR<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">else<\/span><br \/>\n                    <span class=\"token keyword\">break<\/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><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Recver<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span> connection<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> sock <span class=\"token operator\">&#061;<\/span> connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SockFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span>g_buffer_size<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            ssize_t n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">recv<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<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 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>n <span class=\"token operator\">&gt;<\/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\">\/\/ buffer[n] &#061; 0; \u7531\u4e8ememset\u5df2\u7ecf\u7f6e\u4e3a\u4e860&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u4e0d\u9700\u8981\u8fd9\u4e2a\u64cd\u4f5c\u4e86<\/span><br \/>\n                connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">AppendInBuffer<\/span><span class=\"token punctuation\">(<\/span>buffer<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>n <span class=\"token operator\">&#061;&#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\">lg<\/span><span class=\"token punctuation\">(<\/span>Info<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;sockfd: %d, client info -&gt; %s:%d quit&#8230;&#034;<\/span><span class=\"token punctuation\">,<\/span> sock<span class=\"token punctuation\">,<\/span> \\\\<br \/>\n                    connection<span class=\"token operator\">-&gt;<\/span>_ip<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> connection<span class=\"token operator\">-&gt;<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">_except_cb<\/span><span class=\"token punctuation\">(<\/span>connection<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\">else<\/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> EWOULDBLOCK<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">break<\/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> EINTR<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">else<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Warning<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;sockfd: %d, client info -&gt; %s:%d recv error&#8230;&#034;<\/span><span class=\"token punctuation\">,<\/span> sock<span class=\"token punctuation\">,<\/span> \\\\<br \/>\n                        connection<span class=\"token operator\">-&gt;<\/span>_ip<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> connection<span class=\"token operator\">-&gt;<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                    connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">_except_cb<\/span><span class=\"token punctuation\">(<\/span>connection<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 punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8c03\u7528\u56de\u8c03\u51fd\u6570\u5c06\u6570\u636e\u4ea4\u4ed8\u4e0a\u5c42\u5904\u7406<\/span><br \/>\n        <span class=\"token function\">_OnMessage<\/span><span class=\"token punctuation\">(<\/span>connection<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\">Sender<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span> connection<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> sock <span class=\"token operator\">&#061;<\/span> connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SockFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> outbuffer <span class=\"token operator\">&#061;<\/span> connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">OutBuffer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            ssize_t n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> outbuffer<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> outbuffer<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 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>n <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                outbuffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">erase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>outbuffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">break<\/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>n <span class=\"token operator\">&#061;&#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 keyword\">return<\/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 punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EWOULDBLOCK<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">break<\/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> EINTR<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">else<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Warning<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;sockfd: %d, client info -&gt; %s:%d send error&#8230;&#034;<\/span><span class=\"token punctuation\">,<\/span> sock<span class=\"token punctuation\">,<\/span> \\\\<br \/>\n                        connection<span class=\"token operator\">-&gt;<\/span>_ip<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> connection<span class=\"token operator\">-&gt;<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                    connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">_except_cb<\/span><span class=\"token punctuation\">(<\/span>connection<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 punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>outbuffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/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 comment\">\/\/ \u5f00\u59cb\u5bf9\u5199\u4e8b\u4ef6\u7684\u5173\u5fc3<\/span><br \/>\n            <span class=\"token function\">EnableEvent<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/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><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5173\u95ed\u5bf9\u5199\u4e8b\u4ef6\u7684\u5173\u5fc3<\/span><br \/>\n            <span class=\"token function\">EnableEvent<\/span><span class=\"token punctuation\">(<\/span>sock<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">false<\/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 keyword\">void<\/span> <span class=\"token function\">Excepter<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span> connection<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> connection<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SockFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Warning<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Excepter handler socket: %d, client info -&gt; %s:%d, excepter handler&#034;<\/span><span class=\"token punctuation\">,<\/span> \\\\<br \/>\n            fd<span class=\"token punctuation\">,<\/span> connection<span class=\"token operator\">-&gt;<\/span>_ip<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> connection<span class=\"token operator\">-&gt;<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ 1. \u5728\u5185\u6838epoll\u6a21\u578b\u7684\u7ea2\u9ed1\u6811rb_tree\u4e2d\u79fb\u9664\u5bf9\u7279\u5b9afd\u7684\u5173\u5fc3<\/span><br \/>\n        _epoller_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">EpollerUpdate<\/span><span class=\"token punctuation\">(<\/span>EPOLL_CTL_DEL<span class=\"token punctuation\">,<\/span> fd<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 comment\">\/\/ 2. close\u5173\u95ed\u5f02\u5e38\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26<\/span><br \/>\n        <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Debug<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;close %d done&#8230;&#034;<\/span><span class=\"token punctuation\">,<\/span> fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ 3. \u4eceunordered_map\u4e2d\u79fb\u9664\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u53ca\u5176Connection\u5bf9\u8c61<\/span><br \/>\n        <span class=\"token function\">lg<\/span><span class=\"token punctuation\">(<\/span>Debug<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;remove %d from _connections&#8230;&#034;<\/span><span class=\"token punctuation\">,<\/span> fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _connections<span class=\"token punctuation\">.<\/span><span class=\"token function\">erase<\/span><span class=\"token punctuation\">(<\/span>fd<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\">EnableEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sock<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">bool<\/span> readable<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">bool<\/span> writeable<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">uint32_t<\/span> events <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        events <span class=\"token operator\">|&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>readable <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">true<\/span> <span class=\"token operator\">?<\/span> EPOLLIN <span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">|<\/span> \\\\<br \/>\n            <span class=\"token punctuation\">(<\/span>writeable <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">true<\/span> <span class=\"token operator\">?<\/span> EPOLLOUT <span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">|<\/span> EPOLLET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        _epoller_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">EpollerUpdate<\/span><span class=\"token punctuation\">(<\/span>EPOLL_CTL_MOD<span class=\"token punctuation\">,<\/span> sock<span class=\"token punctuation\">,<\/span> events<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">IsConnectionSafe<\/span><span class=\"token punctuation\">(<\/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 comment\">\/\/ std::unordered_map&lt;int, std::shared_ptr&lt;Connection&gt;&gt;::iterator iter &#061; _connections.find(fd);<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _connections<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> _connections<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><\/p>\n<p>        <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 keyword\">void<\/span> <span class=\"token function\">Dispatcher<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> timeout<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> _epoller_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">EpollerWait<\/span><span class=\"token punctuation\">(<\/span>_revs<span class=\"token punctuation\">,<\/span> num<span class=\"token punctuation\">,<\/span> timeout<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\">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> n<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\">int<\/span> sock <span class=\"token operator\">&#061;<\/span> _revs<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><br \/>\n            <span class=\"token keyword\">uint32_t<\/span> events <span class=\"token operator\">&#061;<\/span> _revs<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>events<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u7edf\u4e00\u5c06\u4e8b\u4ef6\u5f02\u5e38\u8f6c\u5316\u4e3a\u8bfb\u5199\u95ee\u9898<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>events <span class=\"token operator\">&amp;<\/span> EPOLLERR<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">|<\/span> <span class=\"token punctuation\">(<\/span>events <span class=\"token operator\">&amp;<\/span> EPOLLHUP<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                events <span class=\"token operator\">|&#061;<\/span> <span class=\"token punctuation\">(<\/span>EPOLLIN <span class=\"token operator\">|<\/span> EPOLLOUT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8fd9\u6837\u53ef\u4ee5\u7b80\u5316\u903b\u8f91&#xff0c;\u53ea\u9700\u8981\u5904\u7406\u8bfb\u5199\u95ee\u9898<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>events <span class=\"token operator\">&amp;<\/span> EPOLLIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token function\">IsConnectionSafe<\/span><span class=\"token punctuation\">(<\/span>sock<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>_connections<span class=\"token punctuation\">[<\/span>sock<span class=\"token punctuation\">]<\/span><span class=\"token operator\">-&gt;<\/span>_recv_cb<span class=\"token punctuation\">)<\/span><br \/>\n                    _connections<span class=\"token punctuation\">[<\/span>sock<span class=\"token punctuation\">]<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">_recv_cb<\/span><span class=\"token punctuation\">(<\/span>_connections<span class=\"token punctuation\">[<\/span>sock<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\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>events <span class=\"token operator\">&amp;<\/span> EPOLLOUT<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token function\">IsConnectionSafe<\/span><span class=\"token punctuation\">(<\/span>sock<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>_connections<span class=\"token punctuation\">[<\/span>sock<span class=\"token punctuation\">]<\/span><span class=\"token operator\">-&gt;<\/span>_send_cb<span class=\"token punctuation\">)<\/span><br \/>\n                    _connections<span class=\"token punctuation\">[<\/span>sock<span class=\"token punctuation\">]<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">_send_cb<\/span><span class=\"token punctuation\">(<\/span>_connections<span class=\"token punctuation\">[<\/span>sock<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><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Loop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _quit <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>_quit<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">Dispatcher<\/span><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 function\">PrintConnection<\/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>        _quit <span class=\"token operator\">&#061;<\/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 keyword\">void<\/span> <span class=\"token function\">PrintConnection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;_connections fd list: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<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> connection <span class=\"token operator\">:<\/span> _connections<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> connection<span class=\"token punctuation\">.<\/span>first <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;, &#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;inbuffer: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> connection<span class=\"token punctuation\">.<\/span>second<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">InBuffer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <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 keyword\">bool<\/span> _quit<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">uint16_t<\/span> _port<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Sock<span class=\"token operator\">&gt;<\/span> _listensock_ptr<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Epoller<span class=\"token operator\">&gt;<\/span> _epoller_ptr<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>unordered_map<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;&gt;<\/span> _connections<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> _revs<span class=\"token punctuation\">[<\/span>num<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8ba9\u4e0a\u5c42\u5904\u7406\u4fe1\u606f<\/span><br \/>\n    func_t _OnMessage<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<hr \/>\n<h3>\u603b\u7ed3<\/h3>\n<p>\u4ee5\u4e0a\u5c31\u662f\u4eca\u5929\u7684\u535a\u5ba2\u5185\u5bb9\u5566,\u5e0c\u671b\u5bf9\u8bfb\u8005\u670b\u53cb\u4eec\u6709\u5e2e\u52a9 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