{"id":68923,"date":"2026-01-30T22:09:31","date_gmt":"2026-01-30T14:09:31","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/68923.html"},"modified":"2026-01-30T22:09:31","modified_gmt":"2026-01-30T14:09:31","slug":"%e3%80%90linux%e3%80%91%e9%ab%98%e7%ba%a7io%ef%bc%8ci-o%e5%a4%9a%e8%b7%af%e8%bd%ac%e6%8e%a5%e5%a4%9a%e8%b7%af%e8%bd%ac%e6%8e%a5%e4%b9%8bepoll%ef%bc%8cepoll%e7%89%88%e6%9c%ac%e7%9a%84tcp%e6%9c%8d","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/68923.html","title":{"rendered":"\u3010linux\u3011\u9ad8\u7ea7IO\uff0cI\/O\u591a\u8def\u8f6c\u63a5\u591a\u8def\u8f6c\u63a5\u4e4bepoll\uff0cepoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u7684\u5b9e\u73b0"},"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\/01\/20260130140925-697cbb95bd50a.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\u3001nocopy<\/li>\n<li>\u4e09\u3001Epoller<\/li>\n<li>\u56db\u3001Main.cc<\/li>\n<li>\u4e94\u3001EpollServer.hpp<\/li>\n<li>\u516d\u3001\u6e90\u4ee3\u7801<\/li>\n<li>\n<ul>\n<li>Epoller.hpp<\/li>\n<li>EpollServer.hpp<\/li>\n<li>Log.hpp<\/li>\n<li>Main.cc<\/li>\n<li>makefile<\/li>\n<li>nocopy.hpp<\/li>\n<li>Socket.hpp<\/li>\n<\/ul>\n<\/li>\n<li>\u603b\u7ed3<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h3>\u524d\u8a00<\/h3>\n<p>\u3010linux\u3011\u9ad8\u7ea7IO&#xff0c;I\/O\u591a\u8def\u8f6c\u63a5\u4e4bepoll&#xff0c;\u63a5\u53e3\u548c\u539f\u7406\u8bb2\u89e3&#xff0c;epoll_create&#xff0c;epoll_wait&#xff0c;epoll_ctl\u2014\u2014\u4e66\u63a5\u4e0a\u6587 \u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014&#xff0c;\u672c\u6587\u4f1a\u5728\u4e0a\u6587\u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u8bb2\u89e3&#xff0c;\u6240\u4ee5\u5bf9\u4e0a\u6587\u4e0d\u4e86\u89e3\u7684\u8bfb\u8005\u53cb\u53cb\u8bf7\u70b9\u51fb\u524d\u65b9\u7684\u84dd\u5b57\u94fe\u63a5\u8fdb\u884c\u5b66\u4e60 \u672c\u6587\u7531\u5c0f\u7f16\u4e3a\u5927\u5bb6\u4ecb\u7ecd\u2014\u2014\u3010linux\u3011\u9ad8\u7ea7IO&#xff0c;I\/O\u591a\u8def\u8f6c\u63a5\u591a\u8def\u8f6c\u63a5\u4e4bepoll&#xff0c;epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u7684\u5b9e\u73b0<\/p>\n<hr \/>\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 \u90a3\u4e48\u5728\u6709\u4e86\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d&#xff0c;\u5173\u4e8eepoll\u7684\u4e09\u4e2a\u63a5\u53e3epoll_create&#xff0c;epoll_wait&#xff0c;epoll_ctl\u7684\u94fa\u57ab\u6027\u8bb2\u89e3&#xff0c;\u4ee5\u53caepoll\u539f\u7406\u7684\u8bb2\u89e3\u540e&#xff0c;\u63a5\u4e0b\u6765\u5c0f\u7f16\u5c31\u8981\u5b9e\u73b0\u662fepoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668&#xff0c;\u6211\u4eec\u9700\u8981\u4f7f\u7528\u5230\u65e5\u5fd7&#xff0c;\u5957\u63a5\u5b57&#xff0c;\u94fe\u63a5\u5982\u4e0b \u5173\u4e8eLog.hpp\u65e5\u5fd7\u7684\u8bb2\u89e3&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014 \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 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260130140925-697cbb95e976d.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"250\" \/><\/li>\n<li>\u90a3\u4e48\u5982\u4e0a\u6211\u4eec\u7684epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u9700\u8981\u5efa\u7acb\u4ee5\u53ca\u5305\u542b\u7684\u6e90\u6587\u4ef6\u548c\u5934\u6587\u4ef6\u6982\u51b5\u5982\u4e0a &#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 &#xff08;\u4e8c&#xff09;EpollerServer.hpp&#xff0c;\u7528\u4e8e\u653e\u7f6eepoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u5bf9\u5e94\u7684EpollerServer\u7c7b&#xff0c;\u5305\u542b\u521d\u59cb\u5316\u670d\u52a1\u5668&#xff0c;\u542f\u52a8\u670d\u52a1\u5668\u7b49 &#xff08;\u4e09&#xff09;Log.hpp\u662f\u65e5\u5fd7&#xff0c;\u5176\u4e2d\u5b9a\u4e49\u4e86Log lg&#xff0c;\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528lg\u6253\u5370\u65e5\u5fd7 &#xff08;\u56db&#xff09;Main.cc\u662f\u4e3b\u51fd\u6570&#xff0c;\u5305\u542b\u8c03\u7528\u670d\u52a1\u5668\u7684\u903b\u8f91 &#xff08;\u4e94&#xff09;makefile\u7528\u4e8e\u7f16\u8bd1\u6784\u5efa\u53ef\u6267\u884c\u7a0b\u5e8f &#xff08;\u516d&#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 &#xff08;\u4e03&#xff09;Socket.hpp\u7528\u4e8e\u5c01\u88c5\u5957\u63a5\u5b57\u7684\u539f\u751f\u63a5\u53e3<\/li>\n<h3>\u4e8c\u3001nocopy<\/h3>\n<li>nocopy\u662f\u5904\u4e8enocopy.hpp\u7684\u7c7b&#xff0c;\u90a3\u4e48\u5bf9\u4e8enocopy\u8fd9\u4e2a\u7c7b\u8981\u5b9e\u73b0\u7684\u662f\u7981\u6b62\u62f7\u8d1d\u8fd9\u4e2a\u529f\u80fd&#xff0c;\u6240\u4ee5\u6211\u4eec\u53ea\u9700\u8981\u5c06\u62f7\u8d1d\u6784\u9020\u548c\u8d4b\u503c\u8fd0\u7b97\u7b26\u4f7f\u7528delete\u5173\u952e\u5b57\u7981\u7528&#xff0c;\u8fd9\u6837\u51e1\u662f\u516c\u6709\u7ee7\u627f\u81ea\u8fd9\u4e2anocopy\u7684\u7c7b\u90fd\u65e0\u6cd5\u8fdb\u884c\u62f7\u8d1d\u4e86<\/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 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<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5728main\u51fd\u6570\u4e2d&#xff0c;\u5c1d\u8bd5\u4e00\u4e0b\u5bf9\u516c\u6709\u7ee7\u627f\u81eanocopy\u7684\u7c7bEpoller\u8fdb\u884c\u62f7\u8d1d\u6784\u9020<\/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\">&#034;Epoller.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><span class=\"token punctuation\">}<\/span><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    Epoller ep<span class=\"token punctuation\">;<\/span><br \/>\n    Epoller ep1 <span class=\"token operator\">&#061;<\/span> ep<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<p>\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260130140926-697cbb960842c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<li>\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u8ba9Epoller\u7c7b\u516c\u6709\u7ee7\u627f\u81eanocopy&#xff0c;\u6240\u4ee5\u8fd9\u6837Epoller\u521b\u5efa\u7684epoll\u6a21\u578b\u5c31\u65e0\u6cd5\u88ab\u62f7\u8d1d&#xff0c;\u8ba9epoll\u6a21\u578b\u53ea\u4e3a\u5b83\u6240\u5bf9\u5e94\u7684epoll\u63d0\u4f9b\u4e00\u6b21\u7b49\u5f85\u591a\u4e2afd\u7684\u5de5\u4f5c<\/li>\n<li>\u540c\u6837\u7684&#xff0c;\u6211\u4eec\u4e5f\u8981\u8ba9EpollerServer\u7c7b\u516c\u6709\u7ee7\u627f\u81eanocopy&#xff0c;\u6240\u4ee5\u8fd9\u6837epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u53ea\u80fd\u6709\u4e00\u4efd&#xff0c;\u4e0d\u80fd\u88ab\u62f7\u8d1d<\/li>\n<h3>\u4e09\u3001Epoller<\/h3>\n<li>Epoller\u662f\u5904\u4e8eEpoller.hpp\u7684\u7c7b&#xff0c;Epoller\u662f\u5bf9epoll\u7684\u4e09\u4e2a\u7cfb\u7edf\u8c03\u7528\u51fd\u6570&#xff0c;\u5206\u522b\u662fepoll_create&#xff0c;epoll_wait&#xff0c;epoll_ctl\u4ee5\u53ca\u6587\u4ef6\u63cf\u8ff0\u7b26epfd\u8fdb\u884c\u5c01\u88c5&#xff0c;\u90a3\u4e48\u5173\u4e8eepoll\u7684\u4e09\u4e2a\u7cfb\u7edf\u8c03\u7528\u5206\u522b\u662fepoll_create&#xff0c;epoll_wait&#xff0c;epoll_ctl\u5982\u4f55\u4f7f\u7528\u5c0f\u7f16\u5728\u4e0a\u4e00\u7bc7\u4e2d\u8fdb\u884c\u8bb2\u89e3&#xff0c;\u672c\u6587\u548c\u4e0a\u4e00\u7bc7\u6587\u7ae0\u7684\u8026\u5408\u5ea6\u5f88\u9ad8&#xff0c;\u6240\u4ee5\u8bf7\u8bfb\u8005\u53cb\u53cb\u5b66\u4e60\u5b8c\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e4b\u540e\u518d\u6765\u5b66\u4e60Epoller\u7684\u5c01\u88c5&#xff0c;\u4e0a\u4e00\u7bc7\u6587\u7ae0&#xff0c;\u8be6\u60c5\u8bf7\u70b9\u51fb&lt;\u2014\u2014<\/li>\n<li>\u90a3\u4e48\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u8981\u5b9e\u73b0\u7c7bEpoller\u4e86&#xff0c;\u6240\u4ee5\u8fd9\u4e2a\u7c7b\u662f\u7528\u4e8e\u521b\u5efaepoll\u6a21\u578b\u7684&#xff0c;\u5bf9\u4e8eepoll\u6a21\u578b\u6211\u4eec\u4e0d\u671f\u671b\u88ab\u62f7\u8d1d&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u4e0d\u671f\u671bEpoller\u7c7b\u88ab\u62f7\u8d1d&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u5c31\u8ba9Epoller\u7c7b\u516c\u6709\u7ee7\u627f\u81eanocopy\u5373\u53ef<\/li>\n<li>\u6b64\u65f6\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u7c7b\u7684\u79c1\u6709\u6210\u5458\u53d8\u91cf&#xff0c;\u90a3\u4e48\u9996\u5148\u5c31\u8981\u6709\u4e00\u4e2a_epfd\u4f5c\u4e3a\u6211\u4eec\u627e\u5230epoll\u6a21\u578b\u7684\u5165\u53e3&#xff0c;epoll\u53ef\u4ee5\u4e00\u6b21\u7b49\u5f85\u591a\u4e2afd&#xff0c;\u6240\u4ee5\u5bf9\u4e8e\u8d85\u65f6\u65f6\u95f4timeout\u8fd9\u91cc\u6211\u4eec\u521d\u59cb\u5316\u4e3a3000\u5fae\u79d2&#xff0c;\u5373\u5bf9\u5e943\u79d2<\/li>\n<li>Epoller\u7c7b\u7684\u79c1\u6709\u6210\u5458\u53d8\u91cf\u4e2d\u8fd8\u5e94\u8be5\u6709\u4e00\u4e2a\u9759\u6001const\u7684int\u7c7b\u578bsize&#xff0c;\u5bf9\u4e8esize\u7684\u521d\u59cb\u503c\u6211\u4eec\u968f\u4fbf\u8bbe\u7f6e&#xff0c;\u8fd9\u4e2asize\u662f\u7528\u4e8e\u7ed9epoll_create\u8fdb\u884c\u4f20\u53c2\u7684&#xff0c;\u5bf9\u4e8eepoll_create\u7684\u53c2\u6570\u5728\u73b0\u5728\u8fd9\u4e2a\u6807\u51c6\u4e0b\u5df2\u7ecf\u5e9f\u5f03\u4e0d\u4f7f\u7528\u4e86&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u5bf9\u4e8esize\u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u4efb\u610f\u503c&#xff0c;\u90a3\u4e48\u8fd9\u91cc\u5c0f\u7f16\u5c31\u5c06size\u8bbe\u7f6e\u4e3a128 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260130140926-697cbb9642497.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"500\" \/><\/li>\n<li>\u90a3\u4e48\u5728Epoller\u6784\u9020\u51fd\u6570\u4e2d\u6211\u4eec\u5c31\u53ef\u4ee5\u521b\u5efaepoll\u6a21\u578b\u4e86&#xff0c;\u90a3\u4e48\u5982\u4f55\u521b\u5efa\u5462&#xff1f;\u8c03\u7528epoll_create\u5373\u53ef&#xff0c;epoll_create\u53ef\u4ee5\u521b\u5efaepoll\u6a21\u578b&#xff0c;\u5e76\u4e14\u5c06epoll\u6a21\u578b\u5173\u8054\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26epfd\u8fd4\u56de&#xff0c;\u5982\u679c\u5931\u8d25&#xff0c;\u90a3\u4e48\u8fd4\u56de-1&#xff0c;\u6b64\u65f6\u6211\u4eec\u6253\u5370\u65e5\u5fd7&#xff0c;\u5e76\u4e14\u5c06\u9519\u8bef\u63cf\u8ff0\u4e5f\u4f7f\u7528strerror\u6253\u5370\u51fa\u6765<\/li>\n<li>\u5982\u679c\u521b\u5efaepoll\u6a21\u578b\u6210\u529f&#xff0c;\u90a3\u4e48\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u5927\u4e8e\u7b49\u4e8e0\u7684\u6570&#xff0c;\u6b64\u65f6\u6211\u4eec\u540c\u6837\u6253\u5370\u65e5\u5fd7&#xff0c;\u5c06\u8fd9\u4e2aepfd\u6253\u5370\u51fa\u6765\u5373\u53ef<\/li>\n<li>\u90a3\u4e48\u5728Epoller\u7684\u6790\u6784\u51fd\u6570\u4e2d&#xff0c;\u5982\u679c_epfd\u5927\u4e8e\u7b49\u4e8e0&#xff0c;\u90a3\u4e48\u6211\u4eec\u4f7f\u7528close\u5173\u95ed\u8fd9\u4e2a_epfd\u5373\u53ef&#xff0c;\u5f53_epfd\u88ab\u5173\u95ed\u7684\u65f6\u5019&#xff0c;\u5e95\u5c42\u5bf9\u5e94\u7684epoll\u6a21\u578b\u5c31\u4f1a\u88ab\u91ca\u653e&#xff0c;\u5373\u5e95\u5c42\u7684\u7ea2\u9ed1\u6811\u548c\u5c31\u7eea\u961f\u5217\u5c31\u4f1a\u88ab\u91ca\u653e&#xff0c;\u5373\u5176\u4e2d\u7684\u8282\u70b9\u5c31\u90fd\u4f1a\u88ab\u91ca\u653e<\/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;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 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;<\/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 keyword\">int<\/span> _timeout<span class=\"token punctuation\">{<\/span><span class=\"token number\">3000<\/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><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260130140926-697cbb9659ac2.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"800\" \/><\/p>\n<li>\u63a5\u4e0b\u6765\u6211\u4eec\u5f00\u59cb\u5c01\u88c5epoll_wait&#xff0c;epoll_wait\u53ef\u4ee5\u4eceepoll\u6a21\u578b\u4e2d\u7684\u5c31\u7eea\u6570\u7ec4\u4e2d\u83b7\u53d6\u5c31\u7eea\u8282\u70b9&#xff0c;\u90a3\u4e48\u5bf9\u4e8eepoll_wait\u6211\u4eec\u5c06\u5176\u5c01\u88c5\u5728EpollerWait\u8fd9\u4e2a\u6210\u5458\u51fd\u6570\u4e2d\u5373\u53ef&#xff0c;\u90a3\u4e48\u5bf9\u4e8eEpollerWait\u7684\u53c2\u6570\u9700\u8981\u4e00\u4e2astruct epoll_event\u7c7b\u578b\u7684\u6570\u7ec4revents&#xff0c;\u7528\u4e8e\u5c06epoll_wait\u7b49\u5f85\u5230\u7684fd\u53ca\u5176\u4e8b\u4ef6\u5e26\u51fa\u53bb&#xff0c;\u5373revents\u8fd9\u4e2a\u6570\u7ec4\u662f\u4e00\u4e2a\u8f93\u51fa\u578b\u53c2\u6570&#xff0c;\u53c2\u6570\u4e2d\u8fd8\u6709\u4e00\u4e2anum\u7528\u4e8e\u7ed9maxevents\u4f20\u53c2&#xff0c;\u4e5f\u662f\u671f\u671b\u4e0a\u5c42\u4f20\u5165&#xff0c;\u6240\u4ee5num\u662f\u4e00\u4e2a\u8f93\u5165\u578b\u53c2\u6570<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u8c03\u7528epoll_wait\u7136\u540e\u4f20\u5165\u6587\u4ef6\u63cf\u8ff0\u7b26_epfd&#xff0c;\u4e8b\u4ef6\u6570\u7ec4revents&#xff0c;num\u6700\u5927\u5c31\u7eea\u4e8b\u4ef6\u7684fd\u7684\u4e2a\u6570&#xff0c;\u8d85\u65f6\u65f6\u95f4_timeout&#xff0c;\u7136\u540e\u5bf9\u4e8e\u8fd4\u56de\u503cn\u6211\u4eec\u4e0d\u8fdb\u884c\u5904\u7406&#xff0c;\u5c06n\u5e26\u51fa\u53bb&#xff0c;\u7531\u5916\u90e8\u8fdb\u884c\u5904\u7406&#xff0c;epoll_wait\u7684\u8fd4\u56de\u503cn\u8868\u793a\u672c\u6b21\u83b7\u53d6\u7684\u4e8b\u4ef6\u6570\u7ec4revents\u4e2d\u5c31\u7eea\u7684fd\u7684\u4e2a\u6570<\/li>\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><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 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><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260130140926-697cbb96a0a09.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<li>\u63a5\u4e0b\u6765\u6211\u4eec\u5c01\u88c5epoll_ctl&#xff0c;epoll_ctl\u662f\u5bf9epoll\u6a21\u578b\u4e2d\u7684\u7ea2\u9ed1\u6811\u65b0\u589e&#xff0c;\u5220\u9664&#xff0c;\u4fee\u6539\u8282\u70b9\u4e2d\u7684fd\u4ee5\u53caevent\u4e8b\u4ef6\u7684&#xff0c;\u6240\u4ee5\u6211\u4eec\u5c06epoll_ctl\u5c01\u88c5\u5728EpollerUpdate&#xff0c;\u90a3\u4e48\u5bf9\u4e8eEpollerUpdate\u7684\u53c2\u6570\u8981\u5305\u62ec\u8981\u5bf9\u8282\u70b9\u8fdb\u884c\u64cd\u4f5coper&#xff0c;\u5bf9\u54ea\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u8fdb\u884c\u64cd\u4f5c&#xff0c;\u5bf9\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u4e0a\u7684\u54ea\u4e00\u4e2a\u4e8b\u4ef6event\u8fdb\u884c\u64cd\u4f5c<\/li>\n<li>\u6240\u4ee5\u6211\u4eec\u89c2\u5bdf\u4e0a\u56fe&#xff0c;oper\u5206\u4e3a\u4e09\u79cd&#xff0c;\u5206\u522b\u662fEPOLL_CTL_DEL\u5220\u9664\u8282\u70b9&#xff0c;EPOLL_CTL_ADD\u65b0\u589e\u8282\u70b9&#xff0c;EPOLL_CTL_MOD\u4fee\u6539\u8282\u70b9&#xff0c;\u90a3\u4e48\u5176\u5b9e\u6211\u4eec\u601d\u8003\u4e00\u4e0b&#xff0c;epoll_ctl\u672c\u8d28\u4e0a\u662f\u64cd\u4f5c\u7684epoll\u6a21\u578b\u4e2d\u7684\u7ea2\u9ed1\u6811&#xff0c;\u5e76\u4e14\u7ea2\u9ed1\u6811\u8282\u70b9\u7684\u952e\u503ckey\u662f\u6587\u4ef6\u63cf\u8ff0\u7b26sock&#xff0c;\u8282\u70b9value\u4e2d\u5305\u542b\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u548cevent\u4e8b\u4ef6<\/li>\n<li>\u90a3\u4e48\u5982\u679c\u6211\u4eec\u4ec5\u4ec5\u60f3\u8981\u5220\u9664\u4e00\u4e2a\u8282\u70b9&#xff0c;\u6240\u4ee5\u6211\u4eec\u53ea\u9700\u8981\u77e5\u9053\u8fd9\u4e2a\u8282\u70b9\u7684\u952e\u503ckey\u5373\u53ef\u5728\u7ea2\u9ed1\u6811\u4e2d\u627e\u5230\u8fd9\u4e2a\u8282\u70b9\u8fdb\u884c\u5220\u9664&#xff0c;\u5e76\u4e0d\u9700\u8981\u5bf9event\u4e8b\u4ef6\u8fdb\u884c\u64cd\u4f5c&#xff0c;\u4f46\u662f\u5982\u679c\u6211\u4eec\u60f3\u8981\u65b0\u589e\u8282\u70b9\u6216\u8005\u4fee\u6539\u8282\u70b9&#xff0c;\u9664\u4e86\u8981\u4f7f\u7528\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u4f5c\u4e3a\u952e\u503c\u65b0\u589e\u6216\u8005\u4fee\u6539\u627e\u5230\u8fd9\u4e2a\u8282\u70b9\u4e4b\u5916&#xff0c;\u8fd8\u9700\u8981\u5bf9\u8282\u70b9\u4e2d\u5305\u542b\u7684event\u4e8b\u4ef6\u8fdb\u884c\u65b0\u589e\u6216\u8005\u4fee\u6539\u7684\u64cd\u4f5c<\/li>\n<li>\u6240\u4ee5\u6211\u4eec\u7531\u6b64\u5c31\u53ef\u4ee5\u8fdb\u884c\u5206\u7c7b\u4e86&#xff0c;\u5c06EPOLL_CTL_DEL\u5220\u9664\u8282\u70b9\u662f\u4e00\u7c7b&#xff0c;\u5c06EPOLL_CTL_ADD\u65b0\u589e\u8282\u70b9\u548cEPOLL_CTL_MOD\u4fee\u6539\u8282\u70b9\u5f52\u4e3a\u4e00\u7c7b&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5b9a\u4e49\u4e00\u4e2a\u8fd4\u56de\u503cn\u9ed8\u8ba4\u4e3a0&#xff0c;\u5982\u679cepoll_ctl\u5bf9\u8282\u70b9\u64cd\u4f5c\u6210\u529f\u90a3\u4e48\u8fd4\u56de\u503c\u4e3a0&#xff0c;\u5982\u679c\u64cd\u4f5c\u5931\u8d25\u90a3\u4e48\u8fd4\u56de\u503c\u4e3a-1&#xff0c;\u6240\u4ee5\u6b64\u65f6\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u53ef\u4ee5\u6839\u636e\u4e0a\u9762\u7684\u8bb2\u89e3\u8fdb\u884cif-else\u8bed\u53e5\u7684\u5224\u65ad\u4e86 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260130140927-697cbb972053a.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"500\" \/><\/li>\n<li>\u5982\u679c\u5f53\u524d\u8981\u8fdb\u884c\u7684\u64cd\u4f5coper\u662fEPOLL_CTL_DEL\u5220\u9664\u8282\u70b9&#xff0c;\u90a3\u4e48\u6211\u4eec\u5c31\u8c03\u7528epoll_ctl\u4f9d\u6b21\u4f20\u5165_epfd&#xff0c;\u8981\u8fdb\u884c\u7684\u64cd\u4f5coper&#xff0c;\u5220\u9664\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock&#xff0c;\u6700\u540e\u7531\u4e8e\u6211\u4eec\u4ec5\u4ec5\u662f\u5220\u9664\u8282\u70b9&#xff0c;\u6240\u4ee5\u6211\u4eec\u53ea\u9700\u8981\u5229\u7528\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u627e\u5230\u7ea2\u9ed1\u6811\u7684\u8282\u70b9\u8fdb\u884c\u5220\u9664\u5373\u53ef&#xff0c;\u5e76\u4e0d\u9700\u8981\u5bf9\u8282\u70b9\u4e2d\u7684\u4e8b\u4ef6\u8fdb\u884c\u65b0\u589e\u6216\u8005\u4fee\u6539\u64cd\u4f5c&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u5bf9\u4e8e\u4e8b\u4ef6event\u6211\u4eec\u53ef\u4ee5\u4e0d\u8fdb\u884c\u4f20\u5165&#xff0c;\u4ec5\u4ec5\u4f20\u5165nullptr\u5373\u53ef&#xff0c;\u90a3\u4e48\u5982\u679c\u8fd4\u56de\u503c\u4e3a-1&#xff0c;\u90a3\u4e48\u6211\u4eec\u6253\u5370\u65e5\u5fd7\u5373\u53ef<\/li>\n<li>\u5982\u679c\u5f53\u524d\u8981\u8fdb\u884c\u7684\u64cd\u4f5coper\u662fEPOLL_CTL_ADD\u65b0\u589e\u8282\u70b9\u6216\u8005EPOLL_CTL_MOD\u4fee\u6539\u8282\u70b9&#xff0c;\u90a3\u4e48\u6b64\u65f6\u6211\u4eec\u5c31\u8c03\u7528epoll_ctl\u4f9d\u6b21\u4f20\u5165_epfd&#xff0c;\u8981\u8fdb\u884c\u7684\u64cd\u4f5coper&#xff0c;\u8981\u64cd\u4f5c\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock&#xff0c;\u6700\u540e\u7531\u4e8e\u6211\u4eec\u662f\u8981\u65b0\u589e\u6216\u8005\u4fee\u6539\u8282\u70b9&#xff0c;\u6240\u4ee5\u6211\u4eec\u9700\u8981\u5229\u7528\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u65b0\u589e\u6216\u8005\u4fee\u6539\u7ea2\u9ed1\u6811\u7684\u8282\u70b9&#xff0c;\u5e76\u4e14\u7531\u4e8e\u662f\u65b0\u589e\u6216\u8005\u4fee\u6539\u8282\u70b9&#xff0c;\u6240\u4ee5\u5bf9\u4e8e\u8282\u70b9\u4e2d\u7684event\u6211\u4eec\u4e5f\u8981\u8fdb\u884c\u65b0\u589e\u6216\u8005\u4fee\u6539 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260130140926-697cbb9659ac2.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"800\" \/><\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u8fd8\u8981\u4f20\u5165event&#xff0c;\u4f46\u662f\u8fd9\u91cc\u7279\u522b\u6ce8\u610f&#xff0c;\u6211\u4eec\u8981\u4f20\u5165\u7684event\u5e76\u4e0d\u662fEpollerUpdate\u53c2\u6570\u4e2duint32_t\u7c7b\u578b\u7684event&#xff0c;\u800c\u662f\u4e0a\u56fe\u4e2dstruct epoll_event\u7c7b\u578b\u7684ev&#xff0c;\u5e76\u4e14\u8fd9\u4e2auint32_t\u7c7b\u578b\u7684event\u662fstruct epoll_event\u7c7b\u578b\u7684\u7b2c\u4e00\u4e2a\u6210\u5458\u53d8\u91cf&#xff0c;\u90a3\u4e48\u5bf9\u4e8e\u7b2c\u4e8c\u4e2a\u6210\u5458\u53d8\u91cfdata&#xff0c;\u90a3\u4e48\u6211\u4eec\u53ea\u9700\u8981\u8bbe\u7f6e\u5176\u4e2d\u7684\u53c2\u6570\u6587\u4ef6\u63cf\u8ff0\u7b26fd\u4e3asock\u5373\u53ef<\/li>\n<li>\u90a3\u4e48\u8fd9\u65f6\u5019\u6709\u7684\u8bfb\u8005\u53cb\u53cb\u53ef\u80fd\u4f1a\u60f3&#xff0c;epoll_ctl\u7684\u53c2\u6570\u4e2d\u660e\u660e\u5df2\u7ecf\u6709\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u4e86&#xff0c;\u4e3a\u4ec0\u4e48\u8fd8\u8981\u5728struct epoll_event\u4e2d\u7684data\u4e2d\u4e5f\u8981\u5305\u542b\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5462&#xff1f;<\/li>\n<li>\u5176\u5b9eepoll_ctl\u53c2\u6570\u4e2d\u5305\u542b\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u662f\u4f5c\u4e3a\u952e\u503ckey\u7528\u4e8e\u65b0\u589e\u6216\u627e\u5230\u7ea2\u9ed1\u6811\u4e2d\u7684\u8282\u70b9\u7684&#xff0c;\u800c\u6b64\u65f6\u8fd9\u4e2astruct epoll_event\u4e2d\u65e2\u5305\u542bfd\u4e5f\u5305\u542bevent\u4e8b\u4ef6&#xff0c;\u90a3\u4e48\u5c06\u6765event_wait\u83b7\u53d6\u7684\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61epoll_event&#xff0c;\u8fd9\u4e2aepoll_event\u624d\u53ef\u4ee5\u8ba9\u6211\u4eec\u5f97\u77e5\u662f\u54ea\u4e2afd\u5c31\u7eea\u4e86&#xff0c;fd\u4e0a\u7684\u54ea\u4e2aevent\u5c31\u7eea\u4e86<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u521d\u59cb\u5316\u5b8c\u6210\u4e86struct epoll_event\u7c7b\u578b\u7684\u5bf9\u8c61ev\u4e86&#xff0c;\u90a3\u4e48\u6211\u4eec\u5c06ev\u53d6\u5730\u5740\u76f4\u63a5\u8fdb\u884c\u4f20\u5165\u5230epoll_ctl\u7684\u6700\u540e\u4e00\u4e2a\u53c2\u6570\u5373\u53ef&#xff0c;\u90a3\u4e48\u5982\u679cepoll_ctl\u7684\u8fd4\u56de\u503c\u4e3a-1&#xff0c;\u8bf4\u660e\u6b64\u65f6oper\u64cd\u4f5c\u8fdb\u884c\u65b0\u589e\u6216\u4fee\u6539\u8282\u70b9\u5931\u8d25\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u6253\u5370\u65e5\u5fd7\u5373\u53ef&#xff0c;\u6700\u540e\u5728if-else\u8bed\u53e5\u5916\u9762\u8fd4\u56deepoll_ctl\u7684\u8fd4\u56de\u503cn\u5373\u53ef<\/li>\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<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5728Epoller\u7c7b\u4e2d\u5c31\u5b8c\u6210\u4e86\u5bf9epoll\u7684\u4e09\u4e2a\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3epoll_create&#xff0c;epoll_wait&#xff0c;epoll_ctl\u7684\u5c01\u88c5&#xff0c;\u5e76\u4e14\u4e5f\u5c06epoll\u6a21\u578b\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26epfd\u4e5f\u5c01\u88c5\u5728\u4e86Epoller\u7c7b\u7684\u79c1\u6709\u6210\u5458\u53d8\u91cf\u4e2d<\/li>\n<li>\u90a3\u4e48\u4ece\u6b64\u4ee5\u540e&#xff0c;\u5982\u679c\u6211\u4eec\u60f3\u8981\u4f7f\u7528epoll\u7b49\u5f85\u591a\u4e2afd&#xff0c;\u90a3\u4e48\u53ea\u9700\u8981\u5305\u542b&#034;Epoller.hpp&#034;\u8fd9\u4e2a\u5934\u6587\u4ef6&#xff0c;\u7136\u540e\u5b9e\u4f8b\u5316Epoller\u7c7b\u5bf9\u8c61\u5c31\u5b8c\u6210\u4e86\u521b\u5efaepoll\u6a21\u578b&#xff0c;\u90a3\u4e48\u8fdb\u884c\u8c03\u7528\u6210\u5458\u53d8\u91cf\u53ef\u4ee5\u5b8c\u6210\u5c06epoll\u7b49\u5f85\u7684\u591a\u4e2afd\u83b7\u53d6\u4e0a\u6765&#xff0c;\u8fd8\u53ef\u4ee5\u63a7\u5236\u8282\u70b9\u4e2d\u5bf9\u5e94\u7684fd\u548cevent\u7684\u64cd\u4f5c<\/li>\n<h3>\u56db\u3001Main.cc<\/h3>\n<li>\u90a3\u4e48\u5728main\u51fd\u6570\u4e2d\u5305\u542b\u5bf9\u670d\u52a1\u5668\u7684\u8c03\u7528\u903b\u8f91&#xff0c;\u6240\u4ee5\u6211\u4eec\u4f7f\u7528\u667a\u80fd\u6307\u9488unique_ptr\u7ba1\u7406epoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668&#xff0c;\u90a3\u4e48\u5728new\u670d\u52a1\u5668\u5bf9\u8c61\u7684\u65f6\u5019&#xff0c;\u8fdb\u884c\u4f20\u53c2\u670d\u52a1\u5668\u8981\u7ed1\u5b9a\u7684\u7aef\u53e3\u53f78080\u5373\u53ef<\/li>\n<li>\u63a5\u4e0b\u6765\u670d\u52a1\u5668\u8981\u9996\u5148\u8c03\u7528Init\u8fdb\u884c\u521d\u59cb\u5316&#xff0c;\u63a5\u4e0b\u6765\u4e4b\u540e\u518d\u8c03\u7528Start\u5c06\u670d\u52a1\u5668\u542f\u52a8\u8d77\u6765<\/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\">&#034;EpollServer.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;memory&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>unique_ptr<span class=\"token operator\">&lt;<\/span>EpollServer<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\">EpollServer<\/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\">Start<\/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<h3>\u4e94\u3001EpollServer.hpp<\/h3>\n<li>\u90a3\u4e48\u5bf9\u4e8e\u4e00\u6b3e\u670d\u52a1\u5668\u6765\u8bb2&#xff0c;\u6211\u4eec\u4e0d\u671f\u671b\u8fd9\u4e2a\u670d\u52a1\u5668\u53ef\u4ee5\u88ab\u62f7\u8d1d&#xff0c;\u6240\u4ee5\u6211\u4eec\u8ba9EpollServer\u516c\u6709\u7ee7\u627fnocopy\u5373\u53ef&#xff0c;\u63a5\u4e0b\u6765\u6211\u4eec\u6765\u770bEpollServer\u7684\u79c1\u6709\u6210\u5458\u53d8\u91cf&#xff0c;\u9996\u5148\u4f5c\u4e3a\u4e00\u6b3e\u670d\u52a1\u5668\u5e94\u8be5\u6709\u670d\u52a1\u5668\u6240\u7ed1\u5b9a\u7684\u7aef\u53e3\u53f7port&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u7684\u79c1\u6709\u6210\u5458\u53d8\u91cf\u8981\u6709\u7aef\u53e3\u53f7_port<\/li>\n<li>\u5e76\u4e14\u6211\u4eec\u8981\u5b9e\u73b0\u7684\u670d\u52a1\u5668\u662fepoll\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<\/li>\n<li>\u540c\u6837\u7684\u65e2\u7136\u662fepoll\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\u5217\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\u5728\u79c1\u6709\u6210\u5458\u53d8\u91cf\u4e2d\u4f7f\u7528shared_ptr\u5bf9\u5e94\u7684_epoller_ptr\u7ba1\u7406Epoller\u7684\u7c7b\u5bf9\u8c61<\/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;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u5b8c\u6210\u4e86\u5bf9EpollServer\u7c7b\u7684\u79c1\u6709\u6210\u5458\u53d8\u91cf\u7684\u58f0\u660e<\/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\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;\u7136\u540e\u4f7f\u7528\u63a5\u6536\u5230\u7684\u7aef\u53e3\u53f7port\u521d\u59cb\u5316\u6210\u5458\u53d8\u91cf_port<\/li>\n<li>\u5728\u6790\u6784\u51fd\u6570\u4e2d&#xff0c;\u6211\u4eec\u8c03\u7528_listensock_ptr\u4e2d\u7684Close\u5173\u95edlisten\u6587\u4ef6\u63cf\u8ff0\u7b26\u5373\u53ef&#xff0c;\u90a3\u4e48\u6211\u4eec\u8981\u5173\u5fc3\u7684\u662f\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u8bfb\u4e8b\u4ef6EPOLLIN\u548c\u5199\u4e8b\u4ef6EPOLLOUT&#xff0c;\u90a3\u4e48\u8fd9\u91cc\u6211\u4eec\u89c4\u8303\u4e00\u70b9&#xff0c;\u5c06\u8bfb\u4e8b\u4ef6EPOLLIN\u5b9a\u4e49\u4e3aEVENT_IN&#xff0c;\u5c06\u5199\u4e8b\u4ef6EPOLLOUT\u5b9a\u4e49\u4e3aEVENT_OUT<\/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;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\">uint32_t<\/span> EVENT_IN <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>EPOLLIN<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 punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">EpollServer<\/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> 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\">EpollServer<\/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\">_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\">_port<\/span><span class=\"token punctuation\">(<\/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\">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\">Start<\/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 operator\">~<\/span><span class=\"token function\">EpollServer<\/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\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    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    <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<li>\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u5f00\u59cb\u7f16\u5199Init\u521d\u59cb\u5316\u670d\u52a1\u5668\u4e86&#xff0c;\u4f9d\u6b21\u9700\u8981\u5b8c\u6210\u5957\u63a5\u5b57\u7684\u521b\u5efa&#xff0c;\u670d\u52a1\u5668\u7684\u7ed1\u5b9a&#xff0c;\u5c06\u5957\u63a5\u5b57\u8bbe\u7f6e\u4e3a\u76d1\u542c\u72b6\u6001&#xff0c;\u90a3\u4e48\u6211\u4eec\u4f9d\u6b21\u8c03\u7528_listensock_ptr\u4e2d\u7684\u6210\u5458\u51fd\u6570Socket\u5b8c\u6210\u5957\u63a5\u5b57\u7684\u521b\u5efa&#xff0c;\u8c03\u7528Bind\u5b8c\u6210\u670d\u52a1\u5668\u7684\u7ed1\u5b9a&#xff0c;\u8c03\u7528Listen\u5c06_listensock\u8bbe\u7f6e\u4e3a\u76d1\u542c\u72b6\u6001&#xff0c;\u90a3\u4e48\u6b64\u65f6\u670d\u52a1\u5668\u5df2\u7ecf\u521d\u59cb\u5316\u5b8c\u6210&#xff0c;\u5e76\u4e14\u6b64\u65f6Epoll\u6a21\u578b\u7684\u521b\u5efa\u5728EpollServer\u6784\u9020\u51fd\u6570\u4e2d\u5df2\u7ecf\u5b8c\u6210\u4e86&#xff0c;\u5e76\u4e14\u5728Epoller\u7684\u6784\u9020\u51fd\u6570\u4e2d\u5df2\u7ecf\u6253\u5370\u4e86\u65e5\u5fd7&#xff0c;\u90a3\u4e48\u5728\u8fd9\u91cc\u6211\u4eec\u4e5f\u6253\u5370\u521b\u5efalisten\u5957\u63a5\u5b57\u5b8c\u6210\u8fd9\u4e2a\u65e5\u5fd7&#xff0c;\u5e76\u4e14\u5c06listen\u5957\u63a5\u5b57\u5bf9\u5e94\u7684fd\u4e5f\u4e00\u5e76\u6253\u5370\u51fa\u6765<\/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    _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><\/p>\n<p>    <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, fd: %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><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<li>\u63a5\u4e0b\u6765\u6211\u4eec\u5f00\u59cb\u7f16\u5199Start\u542f\u52a8\u670d\u52a1\u5668&#xff0c;\u90a3\u4e48\u670d\u52a1\u5668\u4e00\u65e6\u542f\u52a8\u5c31\u8981\u6e90\u6e90\u4e0d\u65ad\u7684\u63a5\u6536\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42&#xff0c;\u670d\u52a1\u5668\u4e00\u65e6\u542f\u52a8\u51e0\u4e4e\u90fd\u5728\u8fd0\u884c&#xff0c;\u6240\u4ee5\u4e5f\u5c31\u610f\u5473\u7740\u670d\u52a1\u5668\u7684\u903b\u8f91\u8981\u57fa\u4e8e\u4e00\u4e2a\u6b7b\u5faa\u73af\u8fd0\u884c&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528for(;;)\u8fdb\u884c\u6b7b\u5faa\u73af&#xff0c;listensock\u4e0a\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u4ee3\u8868\u6709\u8fde\u63a5\u5230\u6765&#xff0c;\u90a3\u4e48\u6211\u4eec\u80fd\u5426\u4e00\u4e0a\u6765\u5c31\u8ba9\u670d\u52a1\u5668accept\u5bf9\u5e94\u7684listensock\u5462&#xff1f;<\/li>\n<li>\u4e0d\u80fd&#xff0c;\u56e0\u4e3a\u6211\u4eec\u8981\u5b9e\u73b0\u7684\u662fepoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668&#xff0c;\u8bf4\u597d\u7684\u4f7f\u7528epoll\u4e00\u6b21\u7b49\u5f85\u591a\u4e2afd&#xff0c;\u90a3\u4e48\u4e00\u65e6\u8fd9\u91cc\u670d\u52a1\u5668\u4e0a\u6765\u5c31accept\u7b49\u5f85\u5ba2\u6237\u7aef\u7684\u8fde\u63a5&#xff0c;\u6b64\u65f6\u5728\u5355\u8fdb\u7a0b\u4e2d\u670d\u52a1\u5668\u4e00\u6b21\u53ea\u80fd\u7b49\u5f85\u4e00\u4e2alistensock\u8fd9\u4e2a\u4e00\u4e2afd &#xff0c;\u522b\u5fd8\u4e86epoll\u53ef\u4ee5\u4e00\u6b21\u7b49\u5f85\u591a\u4e2afd&#xff0c;\u6240\u4ee5\u7b49\u5f85\u7684\u4e8b\u60c5\u6211\u4eec\u5c31\u8981\u4ea4\u7ed9epoll\u6765\u505a&#xff0c;\u90a3\u4e48\u4f7f\u7528\u4e86epoll\u6211\u4eec\u5c31\u53ef\u4ee5\u5728\u5355\u8fdb\u7a0b\u573a\u666f\u4e2d&#xff0c;\u4e00\u6b21\u7b49\u5f85\u591a\u4e2afd&#xff0c;\u8ba9\u5355\u8fdb\u7a0b\u670d\u52a1\u5668\u4e00\u6b21\u670d\u52a1\u591a\u4e2a\u5ba2\u6237\u7aef<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u5728\u8fdb\u884cfor\u5faa\u73af\u4e4b\u524d&#xff0c;\u6211\u4eec\u8981\u5c06listensock\u6dfb\u52a0\u5230epoll\u4e2d&#xff0c;\u90a3\u4e48\u672c\u8d28\u5c31\u662f\u5c06listensock\u548c\u5b83\u5173\u5fc3\u7684\u4e8b\u4ef6&#xff0c;\u6dfb\u52a0\u5230\u5185\u6838epoll\u6a21\u578b\u4e2d\u7684\u7ea2\u9ed1\u6811rb_tree\u4e2d&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u8c03\u7528_epoller_ptr\u4e2d\u7684EpollerUpdata\u8fdb\u884cEPOLL_CTL_ADD\u65b0\u589e\u64cd\u4f5c&#xff0c;\u5c06listensock\u5bf9\u5e94\u7684fd\u4ee5\u53ca\u5173\u5fc3\u7684\u8bfb\u4e8b\u4ef6EVENT_IN\u6dfb\u52a0\u5230epoll\u6a21\u578b\u7684rb_tree\u4e2d<\/li>\n<li>\u90a3\u4e48\u5728for\u5faa\u73af\u4e2d\u6211\u4eec\u6b64\u65f6\u5c31\u53ea\u9700\u8981\u8c03\u7528_epoller_ptr\u4e2d\u7684EpollerWait\u4f20\u5165struct epoll_event\u7c7b\u578b\u7684revs\u6570\u7ec4\u4ee5\u53canum\u6700\u5927\u83b7\u53d6\u5c31\u7eeafd\u7684\u4e2a\u6570&#xff0c;\u5c06\u5c31\u7eea\u7684fd\u901a\u8fc7\u6570\u7ec4\u7684\u5f62\u5f0f\u83b7\u53d6\u4e0a\u6765\u5373\u53ef&#xff0c;\u90a3\u4e48\u901a\u8fc7\u8fd4\u56de\u503cn\u6211\u4eec\u53ef\u4ee5\u83b7\u6089\u6709\u591a\u5c11\u4e2afd\u5c31\u7eea\u4e86&#xff0c;\u8fd9\u4e2afd\u7684\u503c\u5c0f\u4e8e\u7b49\u4e8enum<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eecEpollerWait\u7684\u8fd4\u56de\u503cn\u8fdb\u884c\u5224\u65ad\u5373\u53ef&#xff0c;\u5982\u679cn\u5927\u4e8e0&#xff0c;\u8bf4\u660e\u6b64\u65f6\u5e95\u5c42\u6709fd\u5c31\u7eea\u4e86&#xff0c;\u6240\u4ee5\u6211\u4eec\u8fd9\u91cc\u5c06revs\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2afd\u6253\u5370\u4e00\u4e0b\u65e5\u5fd7&#xff0c;\u522b\u5fd8\u4e86\u6709\u53ef\u80fd\u5c31\u7eea\u7684fd\u53ef\u80fd\u4e0d\u6b62\u4e00\u4e2a&#xff0c;\u800c\u662f\u90fd\u5904\u4e8e\u6570\u7ec4\u4e2d&#xff0c;\u5177\u4f53\u6709\u591a\u5c11\u4e2a&#xff0c;\u6709n\u4e2a&#xff0c;\u6240\u4ee5\u6211\u4eec\u5c31\u53ef\u4ee5\u5bf9\u8fd9\u4e9b\u5c31\u7eea\u7684\u5904\u4e8e\u6570\u7ec4\u4e2d\u7684fd\u53ca\u5176\u5c31\u7eea\u7684\u4e8b\u4ef6event\u8fdb\u884c\u5904\u7406\u4e86&#xff0c;\u90a3\u4e48\u5982\u4f55\u5904\u7406&#xff1f;\u4ea4\u7ed9\u6d3e\u53d1\u5668Dispatcher\u5904\u7406\u5373\u53ef<\/li>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Dispatcher<\/span><span class=\"token punctuation\">(<\/span>epoll_event revs<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> n<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\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<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_ADD<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><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 keyword\">for<\/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\">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><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 function\">lg<\/span><span class=\"token punctuation\">(<\/span>Debug<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;event happened, fd: %d&#034;<\/span><span class=\"token punctuation\">,<\/span> revs<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token function\">Dispatcher<\/span><span class=\"token punctuation\">(<\/span>revs<span class=\"token punctuation\">,<\/span> n<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;time out&#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/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 wait 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 punctuation\">}<\/span><\/p>\n<li>\u5c31\u7eea\u7684fd\u7684\u4e8b\u4ef6\u5206\u4e3a\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u548c\u5199\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u90a3\u4e48\u4e3a\u4e86\u7b80\u4fbf\u5b66\u4e60&#xff0c;\u76ee\u524d\u5728epoll\u4e2d\u6211\u4eec\u6682\u65f6\u4e0d\u8ba8\u8bba\u5bf9\u5199\u4e8b\u4ef6\u5c31\u7eea\u8fdb\u884c\u5904\u7406&#xff0c;\u6211\u4eec\u4ec5\u5bf9fd\u5c31\u7eea\u4e8b\u4ef6\u4e3a\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u7684\u60c5\u51b5\u8fdb\u884c\u5904\u7406&#xff0c;\u90a3\u4e48\u6b64\u65f6fd\u7684\u8bfb\u4e8b\u4ef6\u5df2\u7ecf\u5c31\u7eea\u4e86&#xff0c;\u522b\u5fd8\u4e86fd\u5206\u4e3alistensock\u548c\u666e\u901a\u7684sock<\/li>\n<li>\u5bf9\u4e8elistensock\u90a3\u4e48\u5219\u662f\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u4e86\u8981\u4f7f\u7528accept\u5c06\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u4ece\u5e95\u5c42\u83b7\u53d6\u4e0a\u6765&#xff0c;\u5bf9\u4e8e\u666e\u901asock\u5219\u662f\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u4e86\u8981\u5c06\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u6570\u636e\u8fdb\u884c\u8bfb\u53d6\u5904\u7406&#xff0c;\u4e24\u8005\u7684\u5904\u7406\u903b\u8f91\u4e0d\u540c&#xff0c;\u6240\u4ee5listensock\u7684\u4ee3\u7801\u5904\u7406\u5c01\u88c5\u4e3aAccepter\u8fde\u63a5\u7ba1\u7406\u5668&#xff0c;\u5c06sock\u7684\u4ee3\u7801\u5904\u7406\u5c01\u88c5\u4e3aRecver\u6570\u636e\u8bfb\u53d6\u5668<\/li>\n<li>\u90a3\u4e48\u6211\u4eec\u8981\u5904\u7406\u7684\u5c31\u7eea\u7684fd\u90fd\u5728revs\u6570\u7ec4\u4e2d\u653e\u7740&#xff0c;\u6570\u7ec4\u5185\u6709\u591a\u5c11\u4e2a\u5c31\u7eea\u7684fd&#xff0c;\u6211\u4eec\u5982\u4f55\u77e5\u9053&#xff1f;\u90a3\u4e48\u5c31\u662f\u901a\u8fc7EpollerWait\u7684\u8fd4\u56de\u503cn&#xff0c;n\u8868\u793a\u6570\u7ec4\u5185\u7684\u5c31\u7eea\u7684fd\u7684\u4e2a\u6570&#xff0c;\u6240\u4ee5Dispatcher\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u6211\u4eec\u5c31\u5c06n\u4f20\u5165\u4e86&#xff0c;\u6240\u4ee5\u6211\u4eec\u77e5\u9053\u4e86\u8981\u904d\u5386revs\u8fd9\u4e2a\u6570\u7ec4&#xff0c;\u8981\u904d\u5386\u7684\u4e0a\u9650\u8303\u56f4\u662fn <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260130140926-697cbb9659ac2.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"800\" \/><\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u5f00\u59cb\u904d\u5386\u4e00\u4e0brevs\u4e86&#xff0c;\u90a3\u4e48\u522b\u5fd8\u4e86\u6570\u7ec4\u7684\u4e2d\u7684\u5bf9\u8c61\u7684\u7c7b\u578b\u662fstruct epoll_event&#xff0c;\u5176\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5b57\u6bb5\u662fuint32_t\u7c7b\u578b\u7684events&#xff0c;\u5373\u5c31\u7eea\u7684\u4e8b\u4ef6&#xff0c;\u7b2c\u4e8c\u4e2a\u5b57\u6bb5\u662fepoll_data_t\u7c7b\u578b\u7684data&#xff0c;\u800c\u5728epoll_data_t\u7c7b\u578b\u4e2d\u6709fd\u8fd9\u4e2a\u5b57\u6bb5&#xff0c;\u6240\u4ee5\u6211\u4eec\u5355\u5355\u4ece\u4e00\u4e2astruct epoll_event\u7c7b\u578b\u4e2d\u5c31\u53ef\u4ee5\u83b7\u6089\u54ea\u4e2afd\u4e0a\u7684\u54ea\u4e2aevent\u4e8b\u4ef6\u5c31\u7eea\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u7406\u89e3\u4e86\u5f53\u521d\u5728epoll_ctl\u4f20\u53c2\u7684\u65f6\u5019\u8981\u4f20\u53c2struct epoll_event\u7c7b\u578b<\/li>\n<li>\u90a3\u4e48\u6b64\u65f6\u6211\u4eec\u5df2\u7ecf\u53ef\u4ee5\u77e5\u9053\u54ea\u4e2afd\u4e0a\u7684\u54ea\u4e2aevent\u4e8b\u4ef6\u5c31\u7eea\u4e86&#xff0c;\u6240\u4ee5\u6211\u4eec\u6b64\u65f6\u5c31\u53ef\u4ee5\u8fdb\u884c\u5224\u65ad\u4e86&#xff0c;\u5982\u679c\u662f\u5199\u4e8b\u4ef6\u6216\u8005\u5176\u5b83\u4e8b\u4ef6\u5c31\u7eea\u4e86&#xff0c;\u5728\u672c\u6587\u7684\u5904\u7406\u903b\u8f91\u4e2d\u6211\u4eec\u6682\u65f6\u5ffd\u7565&#xff0c;\u4e3a\u4e86\u7b80\u4fbf\u5b66\u4e60&#xff0c;\u6211\u4eec\u4ec5\u8003\u8651if\u5224\u65ad\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u4e86&#xff0c;\u5373\u6b64\u65f6fd\u4e0a\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u4e86&#xff0c;\u90a3\u4e48fd\u5206\u4e3alistensock\u548c\u5176\u5b83\u7684\u666e\u901asock&#xff0c;\u90a3\u4e48\u5982\u679cfd\u662flistensock\u6211\u4eec\u5c31\u4ea4\u7ed9\u8fde\u63a5\u7ba1\u7406\u5668Accepter\u5904\u7406&#xff0c;\u5426\u5219fd\u5c31\u662f\u5176\u5b83\u7684\u666e\u901asock&#xff0c;\u90a3\u4e48\u6211\u4eec\u5c31\u4ea4\u7ed9\u6570\u636e\u8bfb\u53d6\u5668Recver\u5904\u7406<\/li>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Accepter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\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><\/p>\n<p><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\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> revs<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> n<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">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> fd <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> event <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 keyword\">if<\/span><span class=\"token punctuation\">(<\/span>event <span class=\"token operator\">&amp;<\/span> EVENT_IN<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>fd <span class=\"token operator\">&#061;&#061;<\/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><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">Accepter<\/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><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">Recver<\/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 punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>event <span class=\"token operator\">&amp;<\/span> EVENT_OUT<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<li>\u6240\u4ee5\u63a5\u4e0b\u6765\u6211\u4eec\u7f16\u5199\u4e00\u4e0b\u8fde\u63a5\u7ba1\u7406\u5668Accepter&#xff0c;\u90a3\u4e48\u5f53\u8c03\u7528Accepter\u7684\u65f6\u5019&#xff0c;\u610f\u5473\u7740\u6b64\u65f6\u7684listensock\u4e0a\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u4e86&#xff0c;\u610f\u5473\u7740\u6b64\u65f6\u6709\u5ba2\u6237\u7aef\u6765\u8fde\u63a5\u670d\u52a1\u5668&#xff0c;\u670d\u52a1\u5668\u9700\u8981\u5c06\u8fde\u63a5\u4ece\u5e95\u5c42\u7684\u5168\u8fde\u63a5\u961f\u5217\u4f7f\u7528accept\u83b7\u53d6\u4e0a\u6765&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u8c03\u7528_listensock_ptr\u4e2d\u7684Accept\u5373\u53ef<\/li>\n<li>\u90a3\u4e48\u5982\u679c\u8fd4\u56de\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5927\u4e8e0&#xff0c;\u8bf4\u660e\u6b64\u65f6accept\u83b7\u53d6\u8fde\u63a5\u6210\u529f&#xff0c;\u90a3\u4e48\u6b64\u65f6\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5read\u8bfb\u53d6sock\u4e0a\u7684\u6570\u636e\u5417&#xff1f;\u4e0d\u53ef\u4ee5&#xff0c;\u56e0\u4e3a\u5982\u679c\u5ba2\u6237\u7aef\u4ec5\u4ec5\u53ea\u662f\u5efa\u7acb\u8fde\u63a5\u800c\u4e0d\u53d1\u9001\u6570\u636e&#xff0c;\u6240\u4ee5\u6b64\u65f6read\u8bfb\u53d6\u5e95\u5c42\u7684tcp\u63a5\u6536\u7f13\u51b2\u533a\u5c31\u4f1a\u7531\u4e8e\u6ca1\u6709\u6570\u636e\u800c\u5bfc\u81f4read\u963b\u585e\u7b49\u5f85&#xff0c;\u6240\u4ee5\u6b64\u65f6\u670d\u52a1\u5668\u5bf9\u4e8e\u5176\u5b83\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u6216\u8005\u53d1\u6765\u7684\u6570\u636e\u5c31\u4f1a\u4e0d\u54cd\u5e94\u4e86<\/li>\n<li>\u6240\u4ee5\u8981\u7b49\u5f85sock\u4e0a\u6709\u6570\u636e\u7684\u672c\u8d28\u4e0a\u5c31\u662f\u7b49\u5f85sock\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u522b\u5fd8\u4e86\u672c\u6587\u5c0f\u7f16\u8981\u5b9e\u73b0\u7684\u662fepoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668&#xff0c;\u8981\u7b49\u5f85\u7684\u4e8b\u60c5\u90fd\u4ea4\u7ed9epoll\u5373\u53ef&#xff0c;epoll\u53ef\u4ee5\u4e00\u6b21\u7b49\u5f85\u591a\u4e2afd&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u4e0d\u80fd\u76f4\u63a5read\u8bfb\u53d6\u6570\u636e&#xff0c;\u800c\u662f\u5e94\u8be5\u5c06\u5173\u5fc3\u7b49\u5f85sock\u4e0a\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u901a\u8fc7EpollerUpdate\u4ea4\u7ed9epoll\u6a21\u578b\u4e2d\u7684\u7ea2\u9ed1\u6811rb_tree&#xff0c;\u8ba9epoll\u5173\u5fc3\u8fd9\u4e2asock\u548c\u5bf9\u5e94\u7684event\u4e8b\u4ef6&#xff0c;\u63a5\u4e0b\u6765\u6211\u4eec\u6253\u5370\u5ba2\u6237\u7aef\u4fe1\u606f\u7684\u65e5\u5fd7\u5373\u53ef<\/li>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Accepter<\/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>string clientip<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">uint16_t<\/span> clientport<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">int<\/span> sock <span class=\"token operator\">&#061;<\/span> _listensock_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Accept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>clientip<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>clientport<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;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <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_ADD<span class=\"token punctuation\">,<\/span> sock<span class=\"token punctuation\">,<\/span> EVENT_IN<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;get a new link, client info&#064; %s:%d&#034;<\/span><span class=\"token punctuation\">,<\/span> clientip<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> clientport<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>\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260130140927-697cbb97361b6.gif\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<li>\u6240\u4ee5\u6b64\u65f6\u5982\u4e0a&#xff0c;\u90a3\u4e48\u6211\u4eec\u5728Epoller\u4e2d\u5728EpollerWait\u4e2d\u7ed9epoll_wait\u8bbe\u7f6e\u7684\u8d85\u65f6\u65f6\u95f4time\u662f3000\u5fae\u79d2&#xff0c;\u53733\u79d2&#xff0c;\u6240\u4ee5\u5982\u4e0a\u56fe\u5de6\u8fb9\u524d9\u79d2&#xff0c;\u5c0f\u7f16\u6ca1\u6709\u8ba9\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668&#xff0c;\u6240\u4ee5\u5de6\u4fa7\u6bcf\u4e2a3\u79d2\u5c31\u4f1a\u8d85\u65f6\u4e00\u6b21&#xff0c;\u90a3\u4e489\u79d2\u8fc7\u540e&#xff0c;\u5c0f\u7f16\u8ba9\u53f3\u4fa7\u7684telnet\u5145\u5f53\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668&#xff0c;\u6b64\u65f6\u6211\u4eec\u7684\u670d\u52a1\u5668\u4e2d\u7684epoll\u53ef\u4ee5\u68c0\u6d4b\u5230listensock\u4e0a\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u5e76\u4e14\u6b63\u5e38\u8c03\u7528\u4e86\u8fde\u63a5\u7ba1\u7406\u5668Accepter\u53ef\u4ee5\u6b63\u5e38\u5c06\u8fde\u63a5\u83b7\u53d6\u4e0a\u6765\u6dfb\u52a0\u5230epoll\u4e2d\u8ba9epoll\u5173\u5fc3\u8fd9\u4e2a\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u4e0a\u7684\u8bfb\u4e8b\u4ef6&#xff0c;\u5e76\u4e14\u6253\u5370\u4e86\u65e5\u5fd7&#xff0c;\u65e0\u8bef<\/li>\n<li>\u90a3\u4e48\u63a5\u4e0b\u6765\u5c0f\u7f16\u5728\u53f3\u4fa7\u7684\u5ba2\u6237\u7aef\u4e0a\u8fdb\u884c\u4e86\u8f93\u5165&#xff0c;\u5373\u6b64\u65f6\u5ba2\u6237\u7aef\u7ed9\u670d\u52a1\u5668\u901a\u8fc7tcp\u8fde\u63a5\u53d1\u9001\u4e86\u6570\u636e&#xff0c;\u6240\u4ee5\u6b64\u65f6\u5de6\u4fa7\u670d\u52a1\u5668\u4e2d\u7684epoll\u5c31\u4f1a\u68c0\u6d4b\u5230sock\u4e0a\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u90a3\u4e48\u5c31\u4f1a\u544a\u8bc9\u4e0a\u5c42sock\u4e0a\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u4e86&#xff0c;\u8d76\u5feb\u6765\u8bfb\u53d6\u5427&#xff0c;epoll\u4f1a\u4e00\u76f4\u901a\u77e5\u5230\u4e0a\u5c42\u8fdb\u884c\u8bfb\u53d6<\/li>\n<li>\u53ef\u662f\u5728\u4e0a\u5c42\u6b64\u65f6\u5c0f\u7f16\u5e76\u6ca1\u6709\u5bf9\u6570\u636e\u8bfb\u53d6\u5668Recver\u8fdb\u884c\u7f16\u5199&#xff0c;\u6240\u4ee5\u81ea\u7136\u4e5f\u5c31\u65e0\u6cd5\u8bfb\u53d6sock\u4e0a\u7684\u6570\u636e&#xff0c;\u8fdb\u800c\u6211\u4eec\u6bcf\u6b21\u5728Start\u4e2d\u7684\u6b7b\u5faa\u73af\u4e2d\u8c03\u7528EpollerWait\u4e2d\u5c01\u88c5\u7684epoll_wait\u90fd\u4f1a\u76f4\u63a5\u8fdb\u884c\u8fd4\u56de&#xff0c;\u7136\u540e\u4e0a\u5c42\u6253\u5370fd\u5c31\u7eea\u65e5\u5fd7&#xff0c;\u53ef\u662f\u4e0a\u5c42\u7531\u4e8e\u6ca1\u6709\u7f16\u5199Recver\u65e0\u6cd5\u5bf9sock\u4e0a\u7684\u6570\u636e\u8fdb\u884c\u8bfb\u53d6&#xff0c;\u5e95\u5c42\u7531\u4e8e\u4e0a\u5c42\u6ca1\u6709\u8bfb\u53d6\u5c31\u4f1a\u4e00\u76f4\u8fd4\u56de\u901a\u77e5&#xff0c;\u6240\u4ee5\u6b64\u65f6\u5728\u5de6\u4fa7\u5c31\u4f1a\u51fa\u73b0\u6ee1\u5c4f\u7684\u65e5\u5fd7\u4fe1\u606f<\/li>\n<li>\u90a3\u4e48\u4e0b\u9762\u5c0f\u7f16\u60f3\u9a8c\u8bc1\u4e00\u4e0b\u975e\u963b\u585e&#xff0c;\u5373\u5728Epoller\u4e2d\u7684EpollerWait\u4e2d\u5c01\u88c5\u7684epoll_wait\u7684\u8d85\u65f6\u65f6\u95f4\u4e3a0&#xff0c;\u90a3\u4e48\u6b64\u65f6epoll\u5c31\u4e3a\u975e\u963b\u585e\u7b49\u5f85&#xff0c;\u90a3\u4e48\u7531\u4e8e\u5c0f\u7f16\u5728\u4ee3\u7801\u4e2d\u6ca1\u6709\u8fdb\u884c\u4efb\u4f55sleep\u4f11\u7720&#xff0c;\u6240\u4ee5\u670d\u52a1\u5668\u4e00\u65e6\u8fd0\u884c&#xff0c;\u90a3\u4e48\u7531\u4e8e\u662f\u975e\u963b\u585e&#xff0c;\u90a3\u4e48\u4e00\u8fdb\u884c\u8c03\u7528\u90a3\u4e48\u5c31\u4f1a\u8fd4\u56de&#xff0c;\u8d85\u65f6&#xff0c;\u7136\u540e\u5728\u8c03\u7528\u518d\u8fd4\u56de&#xff0c;\u8d85\u65f6&#xff0c;\u6240\u4ee5\u8fd9\u6837\u5faa\u73af&#xff0c;\u90a3\u4e48\u8d85\u65f6\u7684\u65e5\u5fd7\u5c31\u4f1a\u4e00\u77ac\u95f4\u5c06\u5c4f\u5e55\u6253\u6ee1&#xff0c;\u6240\u4ee5\u5982\u4e0b&#xff0c;\u5c0f\u7f16\u5728Epoller\u4e2d\u7684EpollerWait\u4e2d\u5c01\u88c5\u7684epoll_wait\u7684\u8d85\u65f6\u65f6\u95f4\u4e3a0&#xff0c;\u6211\u4eec\u671f\u671b\u770b\u5230\u8d85\u65f6\u7684\u65e5\u5fd7\u4e00\u77ac\u95f4\u6253\u6ee1\u5c4f\u5e55\u7684\u73b0\u8c61<\/li>\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><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 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> <span class=\"token number\">0<\/span><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>\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b&#xff0c;\u975e\u963b\u585e\u60c5\u51b5\u4e0b\u4e00\u77ac\u95f4\u8d85\u65f6\u65e5\u5fd7\u5c31\u4f1a\u5c06\u5c4f\u5e55\u6253\u6ee1 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260130140928-697cbb9807054.gif\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<li>\u90a3\u4e48\u4e0b\u9762\u5c0f\u7f16\u60f3\u9a8c\u8bc1\u4e00\u4e0b\u963b\u585e\u7b49\u5f85&#xff0c;\u6240\u4ee5\u5c0f\u7f16\u5c31\u5c06Epoller\u4e2d\u7684EpollerWait\u4e2d\u5c01\u88c5\u7684epoll_wait\u7684\u8d85\u65f6\u65f6\u95f4\u4e3a-1&#xff0c;\u90a3\u4e48\u6b64\u65f6epoll\u5c31\u4e3a\u963b\u585e\u7b49\u5f85\u76f4\u5230fd\u4e0a\u7684\u4e8b\u4ef6\u5c31\u7eea<\/li>\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><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 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> <span class=\"token operator\">&#8211;<\/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> n<span class=\"token punctuation\">;<\/span><br \/>\n <span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260130140928-697cbb98cb635.gif\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<li>\u6240\u4ee5\u6b64\u65f6\u5de6\u4fa7\u670d\u52a1\u5668\u4e00\u65e6\u8fd0\u884c&#xff0c;\u90a3\u4e48\u5c31\u662f\u963b\u585e\u5f0f\u7b49\u5f85fd\u4e0a\u7684\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u5f53\u5c0f\u7f16\u5728\u53f3\u4fa7\u4f7f\u7528telnet\u5145\u5f53\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668\u7684\u65f6\u5019&#xff0c;\u6b64\u65f6\u670d\u52a1\u5668\u7684epoll\u4e0a\u7684listensock\u4e0a\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u4e86&#xff0c;\u90a3\u4e48\u6b64\u65f6epoll\u5c31\u4f1a\u8fd4\u56de&#xff0c;\u7136\u540e\u544a\u8bc9\u4e0a\u5c42\u5904\u7406listensock\u7684\u8bfb\u4e8b\u4ef6&#xff0c;\u6240\u4ee5\u6b64\u65f6\u4e0a\u5c42\u5904\u7406\u5b8c\u6210&#xff0c;\u5c06\u8fde\u63a5\u83b7\u53d6\u4e0a\u6765\u653e\u5230epoll\u4e2d&#xff0c;\u7136\u540e\u6253\u5370\u5b8c\u6210\u65e5\u5fd7&#xff0c;\u6b64\u65f6\u5de6\u4fa7\u670d\u52a1\u5668\u53c8\u53bb\u963b\u585e\u5f0f\u7b49\u5f85fd\u4e0a\u7684\u4e8b\u4ef6\u5c31\u7eea\u4e86<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u5c0f\u7f16\u4e5f\u7f16\u5199\u4e00\u4e0b\u6570\u636e\u8bfb\u53d6\u5668Recver&#xff0c;\u5c06\u6570\u636e\u8bfb\u53d6\u4e0a\u6765&#xff0c;\u90a3\u4e48\u9996\u5148\u6211\u4eec\u521b\u5efa\u7528\u6237\u7ea7\u7f13\u51b2\u533abuffer&#xff0c;\u7136\u540e\u4f7f\u7528read\u5c06\u6570\u636e\u8bfb\u53d6\u4e0a\u6765&#xff0c;\u5982\u679cread\u7684\u8fd4\u56de\u503cn\u5927\u4e8e0&#xff0c;\u90a3\u4e48\u4ee3\u8868\u6b64\u65f6\u6210\u529f\u7684\u8bfb\u53d6\u4e86\u6570\u636e&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5728\u6570\u636e\u7684\u672b\u5c3e\u653e\u4e0a\u2018\\\\0\u2019&#xff08;0\u7b49\u4e8e\u2018\\\\0\u2019&#xff09;&#xff0c;\u7136\u540e\u5c06\u8fd9\u4e2a\u5b57\u7b26\u4e32\u6253\u5370\u51fa\u6765&#xff0c;\u63a5\u4e0b\u6765\u6211\u4eec\u4e5f\u7ed9\u5ba2\u6237\u7aef\u53d1\u9001\u6d88\u606f&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u6784\u5efaecho_svr\u4e3a&#034;server echo$ &#034;&#xff0c;\u7136\u540e\u6211\u4eec\u5c06\u6765\u5ba2\u6237\u7aef\u7684\u6d88\u606f\u6dfb\u52a0\u5728echo_svr\u7684\u540e\u9762\u5373\u53ef&#xff0c;\u7136\u540e\u4f7f\u7528write\u5c06\u6d88\u606f\u901a\u8fc7\u8fde\u63a5\u53d1\u9001\u56de\u7ed9\u5ba2\u6237\u7aef<\/li>\n<li>\u63a5\u4e0b\u6765\u5982\u679cn\u7b49\u4e8e0&#xff0c;\u8bf4\u660e\u5bf9\u65b9\u5c06\u8fde\u63a5\u5173\u95ed&#xff0c;\u6240\u4ee5\u6b64\u65f6\u670d\u52a1\u5668\u4e5f\u60f3\u8981\u5c06\u8fde\u63a5\u5173\u95ed&#xff0c;\u6240\u4ee5\u670d\u52a1\u5668\u8fd9\u8fb9\u5148\u6253\u5370\u65e5\u5fd7&#xff0c;\u8fd9\u91cc\u7ec6\u8282\u6765\u4e86&#xff0c;epoll\u8981\u6c42\u5982\u679c\u60f3\u8981\u4f7f\u7528epoll_ctl\u7684EPOLL_CTL_DEL\u5173\u95edfd&#xff0c;\u90a3\u4e48\u9996\u5148\u8981\u6c42\u8fd9\u4e2afd\u6709\u6548&#xff0c;\u6240\u4ee5\u5982\u679c\u8fd9\u91cc\u6211\u4eec\u8d38\u7136\u7684\u4e0a\u6765\u5148\u4f7f\u7528close\u5173\u95edfd&#xff0c;\u7136\u540e\u518d\u8c03\u7528eopll_ctl\u5c31\u4f1a\u51fa\u9519&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u4e00\u5b9a\u8981\u5148\u4f7f\u7528epoll_ctl\u7684EPOLL_CTL_DEL\u5728\u5185\u6838epoll\u6a21\u578b\u4e2d\u7684rb_tree\u4e2d\u5220\u9664sock\u5bf9\u5e94\u7684\u8282\u70b9&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u53ea\u9700\u8981\u627e\u5230sock&#xff0c;\u5e76\u4e0d\u9700\u8981\u4f20\u53c2event&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u7684event\u6211\u4eec\u4f20\u51650\u5373\u53ef&#xff0c;\u7136\u540e\u518d\u8c03\u7528close\u5173\u95edfd<\/li>\n<li>\u63a5\u4e0b\u6765\u5982\u679cn\u5c0f\u4e8e0&#xff0c;\u90a3\u4e48\u8bf4\u660e\u6b64\u65f6\u8bfb\u53d6\u6570\u636e\u53d1\u751f\u9519\u8bef&#xff0c;\u90a3\u4e48\u6b64\u65f6\u6253\u5370\u65e5\u5fd7&#xff0c;\u4f7f\u7528epoll_ctl\u7684EPOLL_CTL_DEL\u5220\u9664\u5185\u6838epoll\u6a21\u578b\u4e2drb_tree\u4e2d\u5bf9\u5e94\u7684sock\u8282\u70b9&#xff0c;\u7136\u540e\u518d\u8c03\u7528close\u5173\u95edfd\u5373\u53ef&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u5c31\u5c06\u6570\u636e\u8bfb\u53d6\u5668Recver\u4e5f\u7f16\u5199\u51fa\u6765\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u6765\u9a8c\u8bc1\u4e00\u4e0b&#xff0c;\u670d\u52a1\u5668\u662f\u5426\u53ef\u4ee5\u6210\u529f\u7684\u5c06\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u6570\u636e\u8bfb\u53d6&#xff0c;\u5e76\u4e14\u7ed9\u5ba2\u6237\u7aef\u5199\u56de\u6570\u636e<\/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 punctuation\">}<\/span><\/p>\n<p>\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260130140929-697cbb99adb50.gif\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<li>\u6240\u4ee5\u8fd0\u884c\u7ed3\u679c\u5982\u4e0a&#xff0c;\u522b\u5fd8\u4e86\u6b64\u65f6\u7684Epoller\u4e2d\u7684EpollerWait\u5c01\u88c5\u7684epoll_wait\u7684\u8d85\u65f6\u65f6\u95f4timeout\u4ecd\u7136\u4e3a-1\u963b\u585e\u7b49\u5f85\u76f4\u5230fd\u4e0a\u7684\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u6240\u4ee5\u6b64\u65f6\u5de6\u4fa7\u8fd0\u884c\u670d\u52a1\u5668\u4e4b\u540e&#xff0c;\u670d\u52a1\u5668\u542f\u52a8\u540e\u4f1a\u963b\u585e\u7b49\u5f85\u76f4\u5230fd\u4e0a\u7684\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u90a3\u4e48\u6b64\u65f6\u53f3\u4fa7\u4f7f\u7528telnet\u5145\u5f53\u5ba2\u6237\u7aef\u6765\u8fde\u63a5\u670d\u52a1\u5668&#xff0c;\u6240\u4ee5\u6b64\u65f6\u670d\u52a1\u5668\u7684epoll\u5c31\u4f1a\u68c0\u6d4b\u5230listensock\u4e0a\u6709\u8bfb\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u7136\u540e\u544a\u8bc9\u4e0a\u5c42<\/li>\n<li>\u6240\u4ee5\u6b64\u65f6\u4e0a\u5c42\u7ecf\u8fc7\u5224\u65ad\u662flistensock\u4e0a\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6\u5c31\u4f1a\u5c06fd\u4ea4\u7ed9\u8fde\u63a5\u7ba1\u7406\u5668Accepter\u5c06\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u83b7\u53d6\u4e0a\u6765\u5e76\u4e14\u6dfb\u52a0\u5230epoll\u4e2d\u5173\u5fc3\u8bfb\u4e8b\u4ef6&#xff0c;\u7136\u540e\u6253\u5370\u65e5\u5fd7&#xff0c;\u6b64\u65f6\u5de6\u4fa7\u7684\u5ba2\u6237\u7aef\u53d1\u9001\u6d88\u606f&#xff0c;\u672c\u8d28\u4e0a\u662f\u53f3\u4fa7\u7684\u670d\u52a1\u5668\u68c0\u6d4b\u5230sock\u4e0a\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u4e86&#xff0c;\u6240\u4ee5\u5c31\u4f1a\u544a\u8bc9\u4e0a\u5c42<\/li>\n<li>\u90a3\u4e48\u6b64\u65f6\u5c0f\u7f16\u5df2\u7ecf\u7f16\u5199\u4e86\u6570\u636e\u8bfb\u53d6\u5668Recver\u5c06\u6570\u636e\u8bfb\u53d6\u4e0a\u6765&#xff0c;\u5e76\u4e14\u6784\u5efa\u670d\u52a1\u5668\u7684\u6d88\u606f\u53d1\u9001\u56de\u7ed9\u5ba2\u6237\u7aef&#xff0c;\u6240\u4ee5\u6b64\u65f6\u5ba2\u6237\u7aef\u5c31\u6536\u5230\u4e86\u6765\u81ea\u670d\u52a1\u5668\u7684\u6d88\u606f\u5e76\u6253\u5370&#xff0c;\u90a3\u4e48\u6b64\u65f6\u53f3\u4fa7\u7684\u5ba2\u6237\u7aef\u60f3\u8981\u65ad\u5f00\u8fde\u63a5&#xff0c;\u6240\u4ee5\u5c31quit\u9000\u51fa\u4e86telnet&#xff0c;\u6240\u4ee5\u6b64\u65f6\u53f3\u4fa7\u7684\u5ba2\u6237\u7aef\u5c06\u8fde\u63a5\u65ad\u5f00\u4e86&#xff0c;\u8fde\u63a5\u7684\u65ad\u5f00\u76f8\u5f53\u4e8e\u5de6\u4fa7\u7684\u670d\u52a1\u5668epoll\u5173\u5fc3\u7684sock\u4e0a\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea<\/li>\n<li>\u90a3\u4e48\u5de6\u4fa7\u7684\u670d\u52a1\u5668\u7684epoll\u5c31\u4f1a\u68c0\u6d4b\u5230sock\u7684\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u4e86&#xff0c;\u6240\u4ee5\u5c31\u4f1a\u544a\u8bc9\u4e0a\u5c42&#xff0c;\u90a3\u4e48\u4e0a\u5c42\u7ecf\u8fc7\u5224\u65ad&#xff0c;\u53d1\u73b0\u5c31\u7eea\u7684fd\u4e0d\u662flistensock&#xff0c;\u5c31\u7eea\u7684fd\u662f\u666e\u901asock&#xff0c;\u6240\u4ee5\u5c31\u4f1a\u4ea4\u7ed9\u6570\u636e\u8bfb\u53d6\u5668\u5c06\u6570\u636e\u8bfb\u53d6\u4e0a\u6765&#xff0c;\u53ef\u662f\u6b64\u65f6read\u4e00\u8fdb\u884c\u8bfb\u53d6&#xff0c;\u53d1\u73b0\u5bf9\u65b9\u5c06\u8fde\u63a5\u5173\u95ed\u4e86&#xff0c;\u6240\u4ee5\u6b64\u65f6read\u5c31\u4f1a\u8fd4\u56de0&#xff0c;\u544a\u8bc9\u4e0a\u5c42\u6b64\u65f6\u8fde\u63a5\u5df2\u7ecf\u5173\u95ed\u4e86&#xff0c;\u65e0\u6cd5\u8fdb\u884c\u8bfb\u53d6\u4e86<\/li>\n<li>\u6240\u4ee5\u4e0a\u5c42\u5c31\u4f1a\u6253\u5370\u65e5\u5fd7&#xff0c;\u7136\u540e\u5148\u4f7f\u7528epoll_ctl\u7684EOPLL_CTL_DEL\u5c06\u8fde\u63a5\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26sock\u5220\u9664&#xff0c;\u672c\u8d28\u662f\u5728\u5185\u6838epoll\u6a21\u578b\u4e2d\u7ea2\u9ed1\u6811rb_tree\u4e2d\u627e\u5230\u5bf9\u5e94\u7684sock\u8282\u70b9\u8fdb\u884c\u5220\u9664&#xff0c;\u6240\u4ee5\u5220\u9664\u5b8c\u6210\u540e&#xff0c;\u90a3\u4e48\u8fd4\u56de\u4e0a\u5c42\u7136\u540e\u518d\u8c03\u7528close\u5173\u95edsock&#xff0c;\u91ca\u653e\u7ef4\u62a4\u8fde\u63a5\u7684\u6587\u4ef6\u6253\u5f00\u5bf9\u8c61<\/li>\n<h3>\u516d\u3001\u6e90\u4ee3\u7801<\/h3>\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><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 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> <span class=\"token operator\">&#8211;<\/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> 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 keyword\">int<\/span> _timeout<span class=\"token punctuation\">{<\/span><span class=\"token number\">3000<\/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<h4>EpollServer.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;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;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;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\">uint32_t<\/span> EVENT_IN <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>EPOLLIN<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 punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">EpollServer<\/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> 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\">EpollServer<\/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\">_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\">_port<\/span><span class=\"token punctuation\">(<\/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\">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        _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><\/p>\n<p>        <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, fd: %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><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><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string clientip<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">uint16_t<\/span> clientport<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">int<\/span> sock <span class=\"token operator\">&#061;<\/span> _listensock_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Accept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>clientip<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>clientport<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;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <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_ADD<span class=\"token punctuation\">,<\/span> sock<span class=\"token punctuation\">,<\/span> EVENT_IN<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;get a new link, client info&#064; %s:%d&#034;<\/span><span class=\"token punctuation\">,<\/span> clientip<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> clientport<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\">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 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\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> revs<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> n<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">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> fd <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> event <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 keyword\">if<\/span><span class=\"token punctuation\">(<\/span>event <span class=\"token operator\">&amp;<\/span> EVENT_IN<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>fd <span class=\"token operator\">&#061;&#061;<\/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><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token function\">Accepter<\/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><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token function\">Recver<\/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 punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>event <span class=\"token operator\">&amp;<\/span> EVENT_OUT<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><\/p>\n<p>            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><\/p>\n<p>            <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\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <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_ADD<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><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 keyword\">for<\/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\">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><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 function\">lg<\/span><span class=\"token punctuation\">(<\/span>Debug<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;event happened, fd: %d&#034;<\/span><span class=\"token punctuation\">,<\/span> revs<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token function\">Dispatcher<\/span><span class=\"token punctuation\">(<\/span>revs<span class=\"token punctuation\">,<\/span> n<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;time out&#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/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 wait 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 punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">EpollServer<\/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\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    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    <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<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\">&#034;EpollServer.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;memory&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>unique_ptr<span class=\"token operator\">&lt;<\/span>EpollServer<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\">EpollServer<\/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\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Epoller ep;<\/span><br \/>\n    <span class=\"token comment\">\/\/ Epoller ep1 &#061; ep;<\/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>epoll_server<span class=\"token operator\">:<\/span>Main<span class=\"token punctuation\">.<\/span>cc<br \/>\ng<span class=\"token operator\">&#043;&#043;<\/span> <span class=\"token operator\">&#8211;<\/span>o $&#064; $<span class=\"token operator\">^<\/span> <span class=\"token operator\">&#8211;<\/span>std<span class=\"token operator\">&#061;<\/span>c<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token number\">11<\/span><br \/>\n<span class=\"token punctuation\">.<\/span>PHONY<span class=\"token operator\">:<\/span>clean<br \/>\nclean<span class=\"token operator\">:<\/span><br \/>\nrm <span class=\"token operator\">&#8211;<\/span>f epoll_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>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<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<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 \u6c34\u6ef4\u77f3\u7a7f&#xff0c;\u575a\u6301\u5c31\u662f\u80dc\u5229&#xff0c;\u8bfb\u8005\u670b\u53cb\u4eec\u53ef\u4ee5\u70b9\u4e2a\u5173\u6ce8 \u70b9\u8d5e\u6536\u85cf\u52a0\u5173\u6ce8&#xff0c;\u627e\u5230\u5c0f\u7f16\u4e0d\u8ff7\u8def&#xff01;<\/p>\n","protected":false},"excerpt":{"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 \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!  \u76ee\u5f55\u524d\u8a00\u4e00\u3001\u524d\u7f6e\u77e5\u8bc6\u4e8c\u3001nocopy\u4e09\u3001Epoller\u56db\u3001Main.cc\u4e94\u3001EpollServer.hpp\u516d\u3001\u6e90\u4ee3\u7801Epoller.hppEpollServer.hppLog.hppMain.ccmakefilenocopy.hppSocket.<\/p>\n","protected":false},"author":2,"featured_media":68912,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[6857,3884,58,205,43,211,44],"topic":[],"class_list":["post-68923","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-io","tag-epoll","tag-linux","tag-tcp-ip","tag-43","tag-211","tag-44"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010linux\u3011\u9ad8\u7ea7IO\uff0cI\/O\u591a\u8def\u8f6c\u63a5\u591a\u8def\u8f6c\u63a5\u4e4bepoll\uff0cepoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u7684\u5b9e\u73b0 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/68923.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010linux\u3011\u9ad8\u7ea7IO\uff0cI\/O\u591a\u8def\u8f6c\u63a5\u591a\u8def\u8f6c\u63a5\u4e4bepoll\uff0cepoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u7684\u5b9e\u73b0 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\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 \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! \u76ee\u5f55\u524d\u8a00\u4e00\u3001\u524d\u7f6e\u77e5\u8bc6\u4e8c\u3001nocopy\u4e09\u3001Epoller\u56db\u3001Main.cc\u4e94\u3001EpollServer.hpp\u516d\u3001\u6e90\u4ee3\u7801Epoller.hppEpollServer.hppLog.hppMain.ccmakefilenocopy.hppSocket.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/68923.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-30T14:09:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260130140925-697cbb95bd50a.gif\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"18 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/68923.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/68923.html\",\"name\":\"\u3010linux\u3011\u9ad8\u7ea7IO\uff0cI\/O\u591a\u8def\u8f6c\u63a5\u591a\u8def\u8f6c\u63a5\u4e4bepoll\uff0cepoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u7684\u5b9e\u73b0 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-01-30T14:09:31+00:00\",\"dateModified\":\"2026-01-30T14:09:31+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/68923.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/68923.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/68923.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u3010linux\u3011\u9ad8\u7ea7IO\uff0cI\/O\u591a\u8def\u8f6c\u63a5\u591a\u8def\u8f6c\u63a5\u4e4bepoll\uff0cepoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u7684\u5b9e\u73b0\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u3010linux\u3011\u9ad8\u7ea7IO\uff0cI\/O\u591a\u8def\u8f6c\u63a5\u591a\u8def\u8f6c\u63a5\u4e4bepoll\uff0cepoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u7684\u5b9e\u73b0 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/68923.html","og_locale":"zh_CN","og_type":"article","og_title":"\u3010linux\u3011\u9ad8\u7ea7IO\uff0cI\/O\u591a\u8def\u8f6c\u63a5\u591a\u8def\u8f6c\u63a5\u4e4bepoll\uff0cepoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u7684\u5b9e\u73b0 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\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 \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! \u76ee\u5f55\u524d\u8a00\u4e00\u3001\u524d\u7f6e\u77e5\u8bc6\u4e8c\u3001nocopy\u4e09\u3001Epoller\u56db\u3001Main.cc\u4e94\u3001EpollServer.hpp\u516d\u3001\u6e90\u4ee3\u7801Epoller.hppEpollServer.hppLog.hppMain.ccmakefilenocopy.hppSocket.","og_url":"https:\/\/www.wsisp.com\/helps\/68923.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-01-30T14:09:31+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260130140925-697cbb95bd50a.gif"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"18 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/68923.html","url":"https:\/\/www.wsisp.com\/helps\/68923.html","name":"\u3010linux\u3011\u9ad8\u7ea7IO\uff0cI\/O\u591a\u8def\u8f6c\u63a5\u591a\u8def\u8f6c\u63a5\u4e4bepoll\uff0cepoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u7684\u5b9e\u73b0 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-01-30T14:09:31+00:00","dateModified":"2026-01-30T14:09:31+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/68923.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/68923.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/68923.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u3010linux\u3011\u9ad8\u7ea7IO\uff0cI\/O\u591a\u8def\u8f6c\u63a5\u591a\u8def\u8f6c\u63a5\u4e4bepoll\uff0cepoll\u7248\u672c\u7684TCP\u670d\u52a1\u5668\u7684\u5b9e\u73b0"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/68923","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=68923"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/68923\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/68912"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=68923"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=68923"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=68923"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=68923"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}