{"id":8126,"date":"2025-04-18T16:28:36","date_gmt":"2025-04-18T08:28:36","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/8126.html"},"modified":"2025-04-18T16:28:36","modified_gmt":"2025-04-18T08:28:36","slug":"%e3%80%90%e4%bb%bfmudou%e5%ba%93one-thread-per-loop%e5%bc%8f%e5%b9%b6%e5%8f%91%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%9e%e7%8e%b0%e3%80%91server%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%a8%a1%e5%9d%97%e5%ae%9e","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/8126.html","title":{"rendered":"\u3010\u4effMudou\u5e93one thread per loop\u5f0f\u5e76\u53d1\u670d\u52a1\u5668\u5b9e\u73b0\u3011SERVER\u670d\u52a1\u5668\u6a21\u5757\u5b9e\u73b0"},"content":{"rendered":"<\/p>\n<h4>SERVER\u670d\u52a1\u5668\u6a21\u5757\u5b9e\u73b0<\/h4>\n<ul>\n<li>1. Buffer\u6a21\u5757<\/li>\n<li>2. Socket\u6a21\u5757<\/li>\n<li>3. Channel\u6a21\u5757<\/li>\n<li>4. Poller\u6a21\u5757<\/li>\n<li>5. EventLoop\u6a21\u5757<\/li>\n<li>\n<ul>\n<li>5.1 TimerQueue\u6a21\u5757<\/li>\n<li>5.2 TimeWheel\u6574\u5408\u5230EventLoop<\/li>\n<li>5.1 EventLoop\u4e0e\u7ebf\u7a0b\u7ed3\u5408<\/li>\n<li>5.2 EventLoop\u7ebf\u7a0b\u6c60<\/li>\n<\/ul>\n<\/li>\n<li>6. Connection\u6a21\u5757<\/li>\n<li>7. Acceptor\u6a21\u5757<\/li>\n<li>8. TcpServer\u6a21\u5757<\/li>\n<\/ul>\n<h2>1. Buffer\u6a21\u5757<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418082832-68020d30295c5.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>Buffer\u6a21\u5757&#xff1a;\u7f13\u51b2\u533a\u6a21\u5757 \u63d0\u4f9b\u7684\u529f\u80fd&#xff1a;\u5b58\u50a8\u6570\u636e&#xff0c;\u53d6\u51fa\u6570\u636e<\/p>\n<p>\u5b9e\u73b0\u601d\u60f3&#xff1a;<\/p>\n<li>\u5b9e\u73b0\u7f13\u51b2\u533a\u5f97\u6709\u4e00\u5757\u5185\u5b58\u7a7a\u95f4&#xff0c;\u91c7\u7528vector&#xff0c;vector\u5e95\u5c42\u5176\u5b9e\u4f7f\u7528\u7684\u5c31\u662f\u4e00\u4e2a\u7ebf\u6027\u7684\u5185\u5b58\u7a7a\u95f4\u3002\u4e0d\u7528string\u7684\u539f\u56e0\u662f\u56e0\u4e3a&#xff0c;\u7f51\u7edc\u4f20\u8f93\u6570\u636e\u4ec0\u4e48\u90fd\u6709\u800cstring\u5728\u8bfb\u53d6\u9047 \u2018\\\\0\u2019 \u5c31\u505c\u6b62\u4e86\u3002<\/li>\n<li>\u8981\u7d20:<\/li>\n<ul>\n<li>\u9ed8\u8ba4\u7684\u7a7a\u95f4\u5927\u5c0f<\/li>\n<li>\u5f53\u524d\u7684\u8bfb\u53d6\u6570\u636e\u4f4d\u7f6e<\/li>\n<li>\u5f53\u524d\u7684\u5199\u5165\u6570\u636e\u4f4d\u7f6e<\/li>\n<\/ul>\n<li>\u64cd\u4f5c&#xff1a; a. \u5199\u5165\u6570\u636e&#xff1a; \u5f53\u524d\u5199\u5165\u4f4d\u7f6e\u6307\u5411\u54ea\u91cc&#xff0c;\u5c31\u4ece\u54ea\u91cc\u5f00\u59cb\u5199\u5165\u3002 \u5982\u679c\u540e\u7eed\u5269\u4f59\u7a7a\u95f2\u7a7a\u95f4\u4e0d\u591f\u4e86&#xff0c;\u8003\u8651\u6574\u4f53\u7f13\u51b2\u533a\u7a7a\u95f2\u7a7a\u95f4\u662f\u5426\u8db3\u591f&#xff08;\u56e0\u4e3a\u8bfb\u4f4d\u7f6e\u4e5f\u4f1a\u5411\u540e\u504f\u79fb&#xff0c;\u524d\u8fb9\u6709\u53ef\u80fd\u4f1a\u6709\u7a7a\u95f2\u7a7a\u95f4&#xff09;\u3002 \u8db3\u591f&#xff1a;\u5c06\u6570\u636e\u79fb\u52a8\u5230\u8d77\u59cb\u4f4d\u7f6e\u5373\u53ef \u4e0d\u591f&#xff1a;\u6269\u5bb9&#xff0c;\u4ece\u5f53\u524d\u5199\u4f4d\u7f6e\u5f00\u59cb\u6269\u5bb9\u8db3\u591f\u5927\u5c0f \u6570\u636e\u4e00\u65e6\u5199\u5165\u6210\u529f&#xff0c;\u5f53\u524d\u5199\u4f4d\u7f6e&#xff0c;\u5c31\u8981\u5411\u540e\u504f\u79fb b. \u8bfb\u53d6\u6570\u636e&#xff1a; \u5f53\u524d\u7684\u8bfb\u53d6\u4f4d\u7f6e\u6307\u5411\u54ea\u91cc&#xff0c;\u5c31\u4ece\u54ea\u91cc\u5f00\u59cb\u8bfb\u53d6&#xff0c;\u524d\u63d0\u662f\u6709\u6570\u636e\u53ef\u8bfb \u53ef\u8bfb\u6570\u636e\u5927\u5c0f&#xff1a;\u5f53\u524d\u5199\u5165\u4f4d\u7f6e&#xff0c;\u51cf\u53bb\u5f53\u524d\u8bfb\u53d6\u4f4d\u7f6e<\/li>\n<p><span class=\"token comment\">\/\/ \u7f13\u5b58\u533aBuffer\u6a21\u5757<\/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\">BUFFER_SIZE<\/span> <span class=\"token expression\"><span class=\"token number\">1024<\/span><\/span><\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Buffer<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">char<\/span><span class=\"token operator\">&gt;<\/span> _buffer<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4f7f\u2f64vector\u8fdb\u2f8f\u5185\u5b58\u7a7a\u95f4\u7ba1\u7406<\/span><br \/>\n    <span class=\"token keyword\">uint64_t<\/span> _read_idx<span class=\"token punctuation\">;<\/span>        <span class=\"token comment\">\/\/ \u8bfb\u504f\u79fb<\/span><br \/>\n    <span class=\"token keyword\">uint64_t<\/span> _write_idx<span class=\"token punctuation\">;<\/span>       <span class=\"token comment\">\/\/ \u5199\u504f\u79fb<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">Buffer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">_read_idx<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_write_idx<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_buffer<\/span><span class=\"token punctuation\">(<\/span>BUFFER_SIZE<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u5f97\u6570\u7ec4\u8d77\u59cb\u4f4d\u7f6e,\u6ce8\u610f\u5e76\u4e0d\u662f\u5bf9\u8c61\u7684\u4f4d\u7f6e<\/span><br \/>\n    <span class=\"token comment\">\/\/ void* Begin()<\/span><br \/>\n    <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span><span class=\"token function\">Begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>_buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u53d6\u5f53\u524d\u5199\u2f0a\u8d77\u59cb\u5730\u5740, _buffer\u7684\u7a7a\u95f4\u8d77\u59cb\u5730\u5740&#xff0c;\u52a0\u4e0a\u5199\u504f\u79fb\u91cf<\/span><br \/>\n    <span class=\"token comment\">\/\/ void* ReadPos()<\/span><br \/>\n    <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span><span class=\"token function\">WritePosition<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">Begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> _write_idx<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u53d6\u5f53\u524d\u8bfb\u53d6\u8d77\u59cb\u5730\u5740<\/span><br \/>\n    <span class=\"token comment\">\/\/ void* WritePos()<\/span><br \/>\n    <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span><span class=\"token function\">ReadPosition<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">Begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> _read_idx<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u53d6\u7f13\u51b2\u533a\u672b\u5c3e\u7a7a\u95f2\u7a7a\u95f4\u5927\u5c0f&#8211;\u5199\u504f\u79fb\u4e4b\u540e\u7684\u7a7a\u95f2\u7a7a\u95f4, \u603b\u4f53\u7a7a\u95f4\u5927\u5c0f\u51cf\u53bb\u5199\u504f\u79fb<\/span><br \/>\n    <span class=\"token keyword\">uint64_t<\/span> <span class=\"token function\">TailIdleSize<\/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> _buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> _write_idx<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8fd9\u91cc\u4e5f\u53ef\u4ee5\u7528_buffer.size() &#8211; _write_idx<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u56e0\u4e3avector\u6784\u9020\u4f7f\u7528\u7684\u51fd\u6570\u5373\u5f00\u8f9f\u7a7a\u95f4\u4e5f\u521d\u59cb\u5316\u4e86<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4e5f\u5c31\u662f\u8bf4size()\u548ccapacity()\u662f\u4e00\u6837\u7684\u5927\u5c0f<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u540e\u7eed\u4e5f\u7528resize()\u4f1a\u8c03\u6574\u7a7a\u95f4<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u53d6\u7f13\u51b2\u533a\u8d77\u59cb\u7a7a\u95f2\u7a7a\u95f4\u5927\u5c0f&#8211;\u8bfb\u504f\u79fb\u4e4b\u524d\u7684\u7a7a\u95f2\u7a7a\u95f4<\/span><br \/>\n    <span class=\"token keyword\">uint64_t<\/span> <span class=\"token function\">HeadIdleSize<\/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> _read_idx<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u53d6\u53ef\u8bfb\u6570\u636e\u2f24\u2f29 &#061; \u5199\u504f\u79fb &#8211; \u8bfb\u504f\u79fb<\/span><br \/>\n    <span class=\"token keyword\">uint64_t<\/span> <span class=\"token function\">ReadAbleSize<\/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> _write_idx <span class=\"token operator\">&#8211;<\/span> _read_idx<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u786e\u4fdd\u53ef\u5199\u7a7a\u95f4\u2f9c\u591f&#xff08;\u6574\u4f53\u7a7a\u95f2\u7a7a\u95f4\u591f\u4e86\u5c31\u79fb\u52a8\u6570\u636e&#xff0c;\u5426\u5219\u5c31\u6269\u5bb9&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">EnsureWriteSpace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> len<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5982\u679c\u672b\u5c3e\u7a7a\u95f2\u7a7a\u95f4\u2f24\u2f29\u2f9c\u591f&#xff0c;\u76f4\u63a5\u8fd4\u56de<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">TailIdleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;&#061;<\/span> len<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u672b\u5c3e\u7a7a\u95f2\u7a7a\u95f4\u4e0d\u591f&#xff0c;\u5219\u5224\u65ad\u52a0\u4e0a\u8d77\u59cb\u4f4d\u7f6e\u7684\u7a7a\u95f2\u7a7a\u95f4\u5927\u5c0f\u662f\u5426\u8db3\u591f, \u591f\u4e86\u5c31\u5c06\u6570\u636e\u79fb\u52a8\u5230\u8d77\u59cb\u4f4d\u7f6e<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">HeadIdleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token function\">TailIdleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;&#061;<\/span> len<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5c06\u6570\u636e\u79fb\u52a8\u5230\u8d77\u59cb\u4f4d\u7f6e<\/span><br \/>\n<span class=\"token comment\">\/\/ \u628a\u5f53\u524d\u6570\u636e\u5927\u5c0f\u5148\u4fdd\u5b58\u8d77\u6765<\/span><br \/>\n            <span class=\"token keyword\">uint64_t<\/span> size <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ReadAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u628a\u53ef\u8bfb\u6570\u636e\u62f7\u8d1d\u5230\u8d77\u59cb\u4f4d\u7f6e                     <\/span><br \/>\n            std<span class=\"token operator\">::<\/span><span class=\"token function\">copy<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">ReadPosition<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">ReadPosition<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> size<span class=\"token punctuation\">,<\/span> <span class=\"token function\">Begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5c06\u8bfb\u504f\u79fb\u5f520<\/span><br \/>\n            _read_idx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5c06\u5199\u4f4d\u7f6e\u7f6e\u4e3a\u53ef\u8bfb\u6570\u636e\u5927\u5c0f&#xff0c;\u56e0\u4e3a\u5f53\u524d\u7684\u53ef\u8bfb\u6570\u636e\u5927\u5c0f\u5c31\u662f\u5199\u504f\u79fb\u91cf                                        <\/span><br \/>\n            _write_idx <span class=\"token operator\">&#061;<\/span> size<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\">\/\/ \u603b\u4f53\u7a7a\u95f4\u4e0d\u591f&#xff0c;\u5219\u9700\u8981\u6269\u5bb9&#xff0c;\u4e0d\u79fb\u52a8\u6570\u636e&#xff0c;\u76f4\u63a5\u7ed9\u5199\u504f\u79fb\u4e4b\u540e\u6269\u5bb9\u8db3\u591f\u7a7a\u95f4\u5373\u53ef<\/span><br \/>\n            _buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">resize<\/span><span class=\"token punctuation\">(<\/span>_write_idx <span class=\"token operator\">&#043;<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5c06\u8bfb\u504f\u79fb\u5411\u540e\u79fb\u52a8<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">MoveReadOffset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> len<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>len <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _read_idx <span class=\"token operator\">&#043;&#061;<\/span> len<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5c06\u5199\u504f\u79fb\u5411\u540e\u79fb\u52a8<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">MoveWriteOffset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> len<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5411\u540e\u79fb\u52a8\u7684\u5927\u5c0f&#xff0c;\u5fc5\u987b\u5c0f\u4e8e\u5f53\u524d\u540e\u8fb9\u7684\u7a7a\u95f2\u7a7a\u95f4\u5927\u5c0f<\/span><br \/>\n        <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>len <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token function\">TailIdleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _write_idx <span class=\"token operator\">&#043;&#061;<\/span> len<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5199\u5165\u6570\u636e<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Write<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>date<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint64_t<\/span> len<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ 1. \u4fdd\u8bc1\u6709\u8db3\u591f\u7a7a\u95f4&#xff0c;2. \u62f7\u2ec9\u6570\u636e\u8fdb\u53bb<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>len <span class=\"token operator\">&#061;&#061;<\/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\">EnsureWriteSpace<\/span><span class=\"token punctuation\">(<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ void* \u4e0d\u80fd\u89e3\u5f15\u7528 \u548c &#043;&#043;<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>d <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>date<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/copy\u662f\u4e00\u4e2a\u6a21\u677f\u51fd\u6570&#xff0c;\u7c7b\u578b\u9700\u8981\u5339\u914d&#xff0c;\u56e0\u6b64\u4e0a\u9762\u8bfb\u5199\u4f4d\u7f6e\u8fd4\u56de\u90fd\u662fchar*<\/span><br \/>\n        std<span class=\"token operator\">::<\/span><span class=\"token function\">copy<\/span><span class=\"token punctuation\">(<\/span>d<span class=\"token punctuation\">,<\/span> d <span class=\"token operator\">&#043;<\/span> len<span class=\"token punctuation\">,<\/span> <span class=\"token function\">WritePosition<\/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\">WriteAndPush<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>date<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint64_t<\/span> len<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Write<\/span><span class=\"token punctuation\">(<\/span>date<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">MoveWriteOffset<\/span><span class=\"token punctuation\">(<\/span>len<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\">WriteString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token operator\">::<\/span>string <span class=\"token operator\">&amp;<\/span>data<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">Write<\/span><span class=\"token punctuation\">(<\/span>data<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> data<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><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">WriteStringAndPush<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token operator\">::<\/span>string <span class=\"token operator\">&amp;<\/span>data<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">WriteString<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">MoveWriteOffset<\/span><span class=\"token punctuation\">(<\/span>data<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><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">WriteBuffer<\/span><span class=\"token punctuation\">(<\/span>Buffer <span class=\"token operator\">&amp;<\/span>data<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">Write<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">.<\/span><span class=\"token function\">ReadPosition<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> data<span class=\"token punctuation\">.<\/span><span class=\"token function\">ReadAbleSize<\/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\">WriteBufferAndPush<\/span><span class=\"token punctuation\">(<\/span>Buffer <span class=\"token operator\">&amp;<\/span>data<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">WriteBuffer<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">MoveWriteOffset<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">.<\/span><span class=\"token function\">ReadAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bfb\u53d6\u6570\u636e<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Read<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>buff<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint64_t<\/span> len<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8981\u6c42\u8981\u83b7\u53d6\u7684\u6570\u636e\u5927\u5c0f\u5fc5\u987b\u2f29\u4e8e\u53ef\u8bfb\u6570\u636e\u5927\u5c0f<\/span><br \/>\n        <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>len <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token function\">ReadAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token operator\">::<\/span><span class=\"token function\">copy<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">ReadPosition<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">ReadPosition<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> len<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>buff<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\">ReadAndPop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>buff<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint64_t<\/span> len<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Read<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">MoveReadOffset<\/span><span class=\"token punctuation\">(<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    std<span class=\"token operator\">::<\/span>string <span class=\"token function\">ReadString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> len<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u8981\u6c42\u8981\u83b7\u53d6\u7684\u6570\u636e\u5927\u5c0f\u5fc5\u987b\u5c0f\u4e8e\u53ef\u8bfb\u6570\u636e\u5927\u5c0f<\/span><br \/>\n        <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>len <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token function\">ReadAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>string str<span class=\"token punctuation\">;<\/span><br \/>\n        str<span class=\"token punctuation\">.<\/span><span class=\"token function\">resize<\/span><span class=\"token punctuation\">(<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ str.c_str()\u8fd4\u56de\u7684\u662fconst char*<\/span><br \/>\n        <span class=\"token function\">Read<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>str<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> str<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    std<span class=\"token operator\">::<\/span>string <span class=\"token function\">ReadStringAndPop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> len<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>len <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token function\">ReadAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>string str <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ReadString<\/span><span class=\"token punctuation\">(<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">MoveReadOffset<\/span><span class=\"token punctuation\">(<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> str<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span><span class=\"token function\">FindCRLE<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>p <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token function\">memchr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">ReadPosition<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;\\\\n&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">ReadAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> p<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u901a\u5e38\u83b7\u53d6\u2f00\u2f8f\u6570\u636e&#xff0c;\u8fd9\u79cd\u60c5\u51b5\u9488\u5bf9\u662f<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>string <span class=\"token function\">GetLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>p <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">FindCRLE<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>p <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">ReadString<\/span><span class=\"token punctuation\">(<\/span>p <span class=\"token operator\">&#8211;<\/span> <span class=\"token function\">ReadPosition<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/&#043;\u662f\u4e3a\u4e86\u628a\\\\n\u4e5f\u8bfb\u51fa\u6765<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    std<span class=\"token operator\">::<\/span>string <span class=\"token function\">GetLineAndPop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>string str <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">GetLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">MoveReadOffset<\/span><span class=\"token punctuation\">(<\/span>str<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> str<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\">Clear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _read_idx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _write_idx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u8fd9\u91cc\u8865\u5145\u4e00\u4e2a\u6309\u7167\u65e5\u5fd7\u7b49\u7ea7\u6253\u5370\u7684\u6a21\u5757&#xff0c;\u65b9\u4fbf\u540e\u9762\u8c03\u8bd5\u3002\u987a\u4fbf\u628a\u8fd9\u4e2a\u9879\u76ee\u7528\u5230\u7684\u6240\u6709\u5934\u6587\u4ef6\u90fd\u5199\u51fa\u6765\u3002<\/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;vector&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;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;algorithm&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;functional&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unordered_map&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;thread&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;mutex&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;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;typeinfo&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;condition_variable&gt;<\/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;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\">&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;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;unistd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;fcntl.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/epoll.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/eventfd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/timerfd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;signal.h&gt;<\/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;cassert&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;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;stdint.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u65e5\u5fd7\u6253\u5370<\/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\">NORMAL<\/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\">WARRING<\/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\">FATAL<\/span> <span class=\"token expression\"><span class=\"token number\">3<\/span><\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6839\u636e\u7b49\u7ea7\u6253\u5370\u65e5\u5fd7<\/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 function\">LOG<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>level<span class=\"token punctuation\">,<\/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>                                                               <\/span><span class=\"token punctuation\">\\\\<\/span><br \/>\n    <span class=\"token expression\"><span class=\"token punctuation\">{<\/span>                                                                                         <\/span><span class=\"token punctuation\">\\\\<\/span><br \/>\n        <span class=\"token expression\"><span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>level <span class=\"token operator\">&gt;&#061;<\/span> FATAL<span class=\"token punctuation\">)<\/span>                                                                   <\/span><span class=\"token punctuation\">\\\\<\/span><br \/>\n        <span class=\"token expression\"><span class=\"token punctuation\">{<\/span>                                                                                     <\/span><span class=\"token punctuation\">\\\\<\/span><br \/>\n            <span class=\"token expression\">time_t t <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">time<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>                                                            <\/span><span class=\"token punctuation\">\\\\<\/span><br \/>\n            <span class=\"token expression\"><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">tm<\/span> <span class=\"token operator\">*<\/span>m <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>                                                     <\/span><span class=\"token punctuation\">\\\\<\/span><br \/>\n            <span class=\"token expression\"><span class=\"token keyword\">char<\/span> ts<span class=\"token punctuation\">[<\/span><span class=\"token number\">32<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span>                                                                <\/span><span class=\"token punctuation\">\\\\<\/span><br \/>\n            <span class=\"token expression\"><span class=\"token function\">strftime<\/span><span class=\"token punctuation\">(<\/span>ts<span class=\"token punctuation\">,<\/span> <span class=\"token number\">31<\/span><span class=\"token punctuation\">,<\/span> <\/span><span class=\"token string\">&#034;%H:%M:%S&#034;<\/span><span class=\"token expression\"><span class=\"token punctuation\">,<\/span> m<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>                                                  <\/span><span class=\"token punctuation\">\\\\<\/span><br \/>\n            <span class=\"token expression\"><span class=\"token function\">fprintf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">stdout<\/span><span class=\"token punctuation\">,<\/span> <\/span><span class=\"token string\">&#034;[%p %s %s:%d]&#034;<\/span> <span class=\"token expression\">format <\/span><span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token expression\"><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token function\">pthread_self<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>ts<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">__FILE__<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">__LINE__<\/span><span class=\"token punctuation\">,<\/span> <\/span><span class=\"token punctuation\">##<\/span><span class=\"token expression\">__VA_ARGS__<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <\/span><span class=\"token punctuation\">\\\\<\/span><br \/>\n        <span class=\"token expression\"><span class=\"token punctuation\">}<\/span>                                                                                     <\/span><span class=\"token punctuation\">\\\\<\/span><br \/>\n    <span class=\"token expression\"><span class=\"token punctuation\">}<\/span><\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ &#8230; \u8868\u793a\u53ef\u53d8\u53c2\u6570&#xff0c;\u53ef\u4ee5\u4f200\u4e2a\u30011\u4e2a\u3001\u591a\u4e2a<\/span><br \/>\n<span class=\"token comment\">\/\/ _VA_ARGS__ \u5c06&#8230;\u7684\u5185\u5bb9\u539f\u5c01\u4e0d\u52a8\u6284\u5230__VA_ARGS__\u4f4d\u7f6e<\/span><br \/>\n<span class=\"token comment\">\/\/ ##__VA_ARGS__ &#8230;\u6ca1\u6709\u53c2\u6570&#xff0c;\u5c31\u79fb\u9664\u8fd9\u4e2a_VA_ARGS_&#xff0c;\u76f8\u5bf9\u4e8e\u6ca1\u6709\u8fd9\u4e2a\u4e1c\u897f<\/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 function\">LOG_NORMAL<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/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> <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>NORMAL<span class=\"token punctuation\">,<\/span> format<span class=\"token punctuation\">,<\/span> <\/span><span class=\"token punctuation\">##<\/span><span class=\"token expression\">__VA_ARGS__<span class=\"token punctuation\">)<\/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 function\">LOG_DEBUG<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/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> <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>DEBUG<span class=\"token punctuation\">,<\/span> format<span class=\"token punctuation\">,<\/span> <\/span><span class=\"token punctuation\">##<\/span><span class=\"token expression\">__VA_ARGS__<span class=\"token punctuation\">)<\/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 function\">LOG_WARRING<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/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> <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>WARRING<span class=\"token punctuation\">,<\/span> format<span class=\"token punctuation\">,<\/span> <\/span><span class=\"token punctuation\">##<\/span><span class=\"token expression\">__VA_ARGS__<span class=\"token punctuation\">)<\/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 function\">LOG_FATAL<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/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> <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>FATAL<span class=\"token punctuation\">,<\/span> format<span class=\"token punctuation\">,<\/span> <\/span><span class=\"token punctuation\">##<\/span><span class=\"token expression\">__VA_ARGS__<span class=\"token punctuation\">)<\/span><\/span><\/span><\/p>\n<h2>2. Socket\u6a21\u5757<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418082832-68020d3059537.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>Socket\u6a21\u5757&#xff1a;\u5bf9socket\u5957\u63a5\u5b57\u64cd\u4f5c\u8fdb\u884c\u5206\u8d44<\/p>\n<p>\u529f\u80fd&#xff1a;<\/p>\n<li>\u521b\u5efa\u5957\u63a5\u5b57<\/li>\n<li>\u7ed1\u5b9a\u5730\u5740\u4fe1\u606f<\/li>\n<li>\u5f00\u59cb\u76d1\u542c<\/li>\n<li>\u5411\u670d\u52a1\u5668\u53d1\u8d77\u8fde\u63a5<\/li>\n<li>\u83b7\u53d6\u65b0\u8fde\u63a5<\/li>\n<li>\u63a5\u6536\u6570\u636e<\/li>\n<li>\u53d1\u9001\u6570\u636e<\/li>\n<li>\u5173\u95ed\u5957\u63a5\u5b57<\/li>\n<li>\u521b\u5efa\u4e00\u4e2a\u670d\u52a1\u7aef\u8fde\u63a5<\/li>\n<li>\u521b\u5efa\u4e00\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5<\/li>\n<li>\u8bbe\u7f6e\u5957\u63a5\u5b57\u9009\u9879\u2014\u5f00\u542f\u5730\u5740\u7aef\u53e3\u91cd\u7528<\/li>\n<li>\u8bbe\u7f6e\u5957\u63a5\u5b57\u963b\u585e\u5c5e\u6027-\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e<\/li>\n<p><span class=\"token comment\">\/\/ \u5957\u63a5\u5b57Socket\u6a21\u5757<\/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\">LISTEN_SIZE<\/span> <span class=\"token expression\"><span class=\"token number\">1024<\/span><\/span><\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Socket<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _sockfd<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\">Socket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">_sockfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token function\">Socket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> fd<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">_sockfd<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">Socket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">int<\/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 keyword\">return<\/span> _sockfd<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521b\u5efa\u5957\u63a5\u5b57<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">Create<\/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\">LOG_FATAL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;CREATE SOCKET FAILED!!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u7ed1\u5b9aip&#043;port<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">Bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">uint16_t<\/span> <span class=\"token operator\">&amp;<\/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> 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> peer<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>port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        peer<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> <span class=\"token comment\">\/\/ \u4efb\u610f\u5730\u5740\u7ed1\u5b9a<\/span><br \/>\n        <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>sockaddr <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 keyword\">sizeof<\/span> peer<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\">LOG_FATAL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;BIND ADDRESS FAILED!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5f00\u59cb\u76d1\u542c<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">Listen<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> backlog <span class=\"token operator\">&#061;<\/span> LISTEN_SIZE<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\">LOG_FATAL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;SOCKET LISTEN FAILED!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5411\u670d\u52a1\u5668\u53d1\u8d77\u8fde\u63a5<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">Connect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">uint16_t<\/span> <span class=\"token operator\">&amp;<\/span>port<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> std<span class=\"token operator\">::<\/span>string ip<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> peer<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>port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        peer<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_addr<\/span><span class=\"token punctuation\">(<\/span>ip<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>sockaddr <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 keyword\">sizeof<\/span> peer<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\">LOG_FATAL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;CONNECT SERVER FAILED!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u83b7\u53d6\u8fde\u63a5<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> <span class=\"token function\">Accpet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4e0d\u5173\u6ce8\u662f\u90a3\u4e2aip\u548cport\u53d1\u8d77\u7684\u8fde\u63a5<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> newfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>newfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG_DEBUG<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;SOCKET ACCEPT FAILED!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token 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 keyword\">return<\/span> newfd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u963b\u585e\u8bfb\u53d6\u6570\u636e<\/span><br \/>\n    ssize_t <span class=\"token function\">Recv<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>buffer<span class=\"token punctuation\">,<\/span> size_t len<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> flag <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        ssize_t ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">recv<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">,<\/span> flag<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ EAGAIN \u5f53\u524dsocket\u7684\u63a5\u6536\u7f13\u51b2\u533a\u4e2d\u6ca1\u6709\u6570\u636e\u4e86&#xff0c;\u5728\u2fae\u963b\u585e\u7684\u60c5\u51b5\u4e0b\u624d\u4f1a\u6709\u8fd9\u4e2a\u9519\u8bef<\/span><br \/>\n            <span class=\"token comment\">\/\/ EINTR \u8868\u2f70\u5f53\u524dsocket\u7684\u963b\u585e\u7b49\u5f85&#xff0c;\u88ab\u4fe1\u53f7\u6253\u65ad\u4e86&#xff0c;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EAGAIN <span class=\"token operator\">||<\/span> errno <span class=\"token operator\">&#061;&#061;<\/span> EINTR<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8868\u2f70\u8fd9\u6b21\u63a5\u6536\u6ca1\u6709\u63a5\u6536\u5230\u6570\u636e<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token function\">LOG_FATAL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;SOCKET RECV FAILED!&#034;<\/span><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><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5b9e\u9645\u63a5\u6536\u7684\u6570\u636e\u957f\u5ea6<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u975e\u963b\u585e\u8bfb\u53d6\u6570\u636e<\/span><br \/>\n    ssize_t <span class=\"token function\">NonBlockRecv<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>buffer<span class=\"token punctuation\">,<\/span> size_t len<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">Recv<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">,<\/span> MSG_DONTWAIT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ MSG_DONTWAIT \u8868\u2f70\u5f53\u524d\u63a5\u6536\u4e3a\u975e\u963b\u585e<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u53d1\u51fa\u6570\u636e<\/span><br \/>\n    ssize_t <span class=\"token function\">Send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>buffer<span class=\"token punctuation\">,<\/span> size_t len<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> flag <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        ssize_t ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">,<\/span> flag<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EAGAIN <span class=\"token operator\">||<\/span> errno <span class=\"token operator\">&#061;&#061;<\/span> EINTR<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token function\">LOG_FATAL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;SOCKET SEND FAILED!&#034;<\/span><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><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5b9e\u9645\u53d1\u9001\u7684\u6570\u636e\u957f\u5ea6<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u975e\u963b\u585e\u53d1\u51fa\u6570\u636e<\/span><br \/>\n    ssize_t <span class=\"token function\">NonBlockSend<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>buffer<span class=\"token punctuation\">,<\/span> size_t len<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>len <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">Send<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">,<\/span> MSG_DONTWAIT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ MSG_DONTWAIT \u8868\u2f70\u5f53\u524d\u63a5\u6536\u4e3a\u975e\u963b\u585e<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5173\u95ed\u5957\u63a5\u5b57<\/span><br \/>\n    <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\">!&#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\">close<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _sockfd <span class=\"token operator\">&#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 punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521b\u5efa\u4e00\u4e2a\u670d\u52a1\u7aef\u8fde\u63a5<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">CreateServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">uint16_t<\/span> <span class=\"token operator\">&amp;<\/span>port<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">bool<\/span> block_flag <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ 1.\u521b\u5efa\u5957\u63a5\u5b57<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">Create<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ 2.\u8bbe\u7f6e\u975e\u963b\u585e<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>block_flag<span class=\"token punctuation\">)<\/span> <span class=\"token function\">NonBlock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ 3.\u7ed1\u5b9a<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">Bind<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ 4.\u76d1\u542c<\/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><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ 5.\u5f00\u542f\u5730\u5740\u7aef\u53e3\u590d\u7528<\/span><br \/>\n        <span class=\"token function\">ReuseAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521b\u5efa\u4e00\u4e2a\u5ba2\u670d\u7aef\u8fde\u63a5<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">CreateClient<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">uint16_t<\/span> <span class=\"token operator\">&amp;<\/span>port<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> std<span class=\"token operator\">::<\/span>string ip<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ 1.\u521b\u5efa\u5957\u63a5\u5b57<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">Create<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ 2.\u53d1\u8d77\u8fde\u63a5<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">Connect<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">,<\/span> ip<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5957\u63a5\u5b57\u9009\u9879&#8211;\u5f00\u542f\u5730\u5740\u7aef\u53e3\u590d\u7528<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">ReuseAddress<\/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> 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_REUSEADDR <span class=\"token operator\">|<\/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> opt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5957\u63a5\u5b57\u5c5e\u6027 &#8212; \u975e\u963b\u585e<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">NonBlock<\/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> fl <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">fcntl<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> F_GETFL<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\">fcntl<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> F_SETFL<span class=\"token punctuation\">,<\/span> fl <span class=\"token operator\">|<\/span> O_NONBLOCK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h2>3. Channel\u6a21\u5757<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418082832-68020d30b0d75.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> Channel\u7c7b\u8bbe\u8ba1 \u76ee\u7684&#xff1a;\u5bf9\u63cf\u8ff0\u7b26\u7684\u76d1\u63a7\u4e8b\u4ef6\u7ba1\u7406<\/p>\n<li>\u6210\u5458&#xff1a; \u56e0\u4e3a\u540e\u8fb9\u4f7f\u7528epoll\u8fdb\u884c\u4e8b\u4ef6\u76d1\u63a7&#xff0c; EPOLLIN \u53ef\u8bfb EPOLLOUT \u53ef\u5199 EPOLLRDHUP \u8fde\u63a5\u65ad\u5f00 EPOLLPRI \u4f18\u5148\u6570\u636e EPOLLERR \u51fa\u9519\u4e86 EPOLLHUP \u6302\u65ad \u800c\u4ee5\u4e0a\u7684\u4e8b\u4ef6\u90fd\u662f\u4e00\u4e2a\u6570\u503cuint32_t\u8fdb\u884c\u4fdd\u5b58,\u8981\u8fdb\u884c\u4e8b\u4ef6\u7ba1\u7406&#xff0c;\u5c31\u9700\u8981\u6709\u4e00\u4e2auint32t\u7c7b\u578b\u7684\u6210\u5458\u4fdd\u5b58\u5f53\u524d\u9700\u8981\u76d1\u63a7\u7684\u4e8b\u4ef6\u3002 \u4e8b\u4ef6\u5904\u7406\u8fd9\u91cc&#xff0c;\u56e0\u4e3a\u6709\u4e94\u79cd\u4e8b\u4ef6\u9700\u8981\u5904\u7406&#xff0c;\u5c31\u9700\u8981\u4e94\u4e2a\u56de\u8c03\u51fd\u6570\u3002<\/li>\n<p>\u529f\u80fd:<\/p>\n<li>\n<p>\u4e8b\u4ef6\u7ba1\u7406&#xff1a; \u63cf\u8ff0\u7b26\u662f\u5426\u53ef\u8bfb \u63cf\u8ff0\u7b26\u662f\u5426\u53ef\u5199 \u5bf9\u63cf\u8ff0\u7b26\u76d1\u63a7\u53ef\u8bfb \u5bf9\u63cf\u8ff0\u7b26\u76d1\u63a7\u53ef\u5199 \u89e3\u9664\u53ef\u8bfb\u4e8b\u4ef6\u76d1\u63a7 \u89e3\u9664\u53ef\u5199\u4e8b\u4ef6\u76d1\u63a7 \u89e3\u9664\u6240\u6709\u4e8b\u4ef6\u76d1\u63a7<\/p>\n<\/li>\n<li>\n<p>\u4e8b\u4ef6\u89e6\u53d1\u540e\u7684\u5904\u7406\u7684\u7ba1\u7406 a.\u9700\u8981\u5904\u7406\u7684\u4e8b\u4ef6&#xff1a;\u53ef\u8bfb&#xff0c;\u53ef\u5199&#xff0c;\u6302\u65ad&#xff0c;\u9519\u8bef&#xff0c;\u4efb\u610f b.\u4e8b\u4ef6\u5904\u7406\u7684\u56de\u8c03\u51fd\u6570<\/p>\n<\/li>\n<p><span class=\"token comment\">\/\/ \u63cf\u8ff0\u7b26\u4e8b\u4ef6\u7ba1\u7406Channel\u6a21\u5757<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">EventLoop<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Channel<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><\/p>\n<p>    <span class=\"token keyword\">int<\/span> _fd<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u5f53\u524d\u9700\u8981\u76d1\u63a7\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26<\/span><br \/>\n    EventLoop <span class=\"token operator\">*<\/span>_loop<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u653e\u5728\u81ea\u5df1\u6240\u5728\u7684EventLoop\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">uint32_t<\/span> _events<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u5f53\u524d\u9700\u8981\u76d1\u63a7\u7684\u4e8b\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">uint32_t<\/span> _revents<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5f53\u524d\u8fde\u63a5\u89e6\u53d1\u7684\u4e8b\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">using<\/span> EventCallback <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    EventCallback _read_callback<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u53ef\u8bfb\u4e8b\u4ef6\u88ab\u89e6\u53d1\u7684\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    EventCallback _write_callback<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u53ef\u5199\u4e8b\u4ef6\u88ab\u89e6\u53d1\u7684\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    EventCallback _error_callback<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u9519\u8bef\u4e8b\u4ef6\u88ab\u89e6\u53d1\u7684\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    EventCallback _close_callback<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8fde\u63a5\u65ad\u5f00\u4e8b\u4ef6\u88ab\u89e6\u53d1\u7684\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    EventCallback _event_callback<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4efb\u610f\u4e8b\u4ef6\u88ab\u89e6\u53d1\u7684\u56de\u8c03\u51fd\u6570<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/ Channel(Poller *poller,int fd) : _fd(fd), _events(0), _revents(0), _poller(poller) {}<\/span><br \/>\n    <span class=\"token function\">Channel<\/span><span class=\"token punctuation\">(<\/span>EventLoop <span class=\"token operator\">*<\/span>loop<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> fd<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">_fd<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_events<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_revents<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_loop<\/span><span class=\"token punctuation\">(<\/span>loop<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <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> _fd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">uint32_t<\/span> <span class=\"token function\">Events<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u83b7\u5f97\u60f3\u8981\u76d1\u63a7\u7684\u4e8b\u60c5<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _events<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetREvents<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint32_t<\/span> events<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5b9e\u9645\u5c31\u7eea\u7684\u4e8b\u60c5<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _revents <span class=\"token operator\">&#061;<\/span> events<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetReadCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallback <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _read_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetWriteCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallback <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _write_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetErrorCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallback <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _error_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetCloseCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallback <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _close_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetEventCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallback <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _event_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5f53\u524d\u662f\u5426\u76d1\u63a7\u4e86\u53ef\u8bfb<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">ReadAble<\/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> _events <span class=\"token operator\">&amp;<\/span> EPOLLIN<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5f53\u524d\u662f\u5426\u76d1\u63a7\u4e86\u53ef\u5199<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">WriteAble<\/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> _events <span class=\"token operator\">&amp;<\/span> EPOLLOUT<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u542f\u52a8\u8bfb\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">EnableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _events <span class=\"token operator\">|&#061;<\/span> EPOLLIN<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u542f\u52a8\u5199\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">EnableWrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _events <span class=\"token operator\">|&#061;<\/span> EPOLLOUT<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5173\u95ed\u8bfb\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">DisableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _events <span class=\"token operator\">&amp;&#061;<\/span> <span class=\"token operator\">~<\/span>EPOLLIN<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5173\u95ed\u5199\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">DisableWrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _events <span class=\"token operator\">&amp;&#061;<\/span> <span class=\"token operator\">~<\/span>EPOLLOUT<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5173\u95ed\u6240\u6709\u4e8b\u4ef6\u76d1\u63a7,\u6587\u4ef6\u63cf\u8ff0\u7b26\u8fd8\u5728\u7ea2\u9ed1\u6811\u4e0a,\u4f46\u662f\u6ca1\u6709\u4e8b\u4ef6\u8ba9\u5b83\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">DisableAll<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _events <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u79fb\u9664\u76d1\u63a7,\u6587\u4ef6\u63cf\u8ff0\u7b26\u4ece\u7ea2\u9ed1\u6811\u4e2d\u5220\u9664<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6dfb\u52a0\u5230\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4e8b\u4ef6\u5904\u7406,\u4e00\u65e6\u8fde\u63a5\u89e6\u53d1\u4e86\u4e8b\u4ef6,\u5c31\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570,\u81ea\u5df1\u89e6\u53d1\u4e86\u4ec0\u4e48\u4e8b\u60c5\u5982\u4f55\u5904\u7406\u7531\u8c03\u7528\u5b83\u7684\u4eba\u51b3\u5b9a<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8bfb\u4e8b\u4ef6\u53d1\u73b0\u8fde\u63a5\u51fa\u73b0\u95ee\u9898,\u662f\u4e0d\u53bb\u91ca\u653e\u8fde\u63a5\u7684,\u56e0\u4e3a\u6211\u4eec\u8fd8\u770b\u770b\u662f\u5426\u8fd8\u6709\u6570\u636e\u5f85\u53d1\u9001<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u7b49\u628a\u6570\u636e\u90fd\u53d1\u9001\u5b8c\u4e86,\u6216\u8005\u53d1\u9001\u51fa\u9519\u4e86,\u518d\u53bb\u5173\u95ed\u8fde\u63a5<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5199\/\u51fa\u9519\/\u6302\u65ad \u90fd\u4f1a\u5173\u95ed\u8fde\u63a5&#xff0c;\u6211\u4eec\u53ea\u9700\u8981\u5173\u95ed\u4e00\u6b21\u5c31\u597d\u4e86<\/span><\/p>\n<p><span class=\"token comment\">\/\/\u5173\u4e8e\u628a\u4efb\u610f\u4e8b\u4ef6\u56de\u8c03\u653e\u5728\u6700\u540e&#xff0c;\u5728\u6d4b\u8bd5\u9636\u6bb5\u4f1a\u6709\u8bf4\u660e\u3002<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>_revents <span class=\"token operator\">&amp;<\/span> EPOLLIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span>_revents <span class=\"token operator\">&amp;<\/span> EPOLLRDHUP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span>_revents <span class=\"token operator\">&amp;<\/span> EPOLLPRI<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ if (_event_callback)<\/span><br \/>\n            <span class=\"token comment\">\/\/     _event_callback();<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_read_callback<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">_read_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6709\u53ef\u80fd\u4f1a\u91ca\u653e\u8fde\u63a5\u7684\u64cd\u4f5c\u4e8b\u4ef6&#xff0c;\u2f00\u6b21\u53ea\u5904\u7406\u2f00\u4e2a<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_revents <span class=\"token operator\">&amp;<\/span> EPOLLOUT<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ if (_event_callback)<\/span><br \/>\n            <span class=\"token comment\">\/\/     _event_callback();<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_write_callback<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">_write_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_revents <span class=\"token operator\">&amp;<\/span> EPOLLERR<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ if (_event_callback)<\/span><br \/>\n            <span class=\"token comment\">\/\/     _event_callback();<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_error_callback<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">_error_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_revents <span class=\"token operator\">&amp;<\/span> EPOLLHUP<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ if (_event_callback)<\/span><br \/>\n            <span class=\"token comment\">\/\/     _event_callback();<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_close_callback<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">_close_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_event_callback<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">_event_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/\u8fd9\u91cc\u5148\u4e0d\u505a\u63a5\u91ca&#xff0c;\u7b49\u5230\u4e86EventLoop\u5728\u7ec6\u8bf4\u3002<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">Channel<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">Remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RemoveEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">Channel<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">UpdateEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5ba2\u6237\u7aef\u5f02\u5e38\u9000\u51fa&#xff0c;\u6bd4\u5982\u65ad\u7535\u65ad\u7f51&#xff0c;\u5ba2\u6237\u7aef\u5e95\u5c42\u64cd\u4f5c\u7cfb\u7edf\u6ca1\u6709\u529e\u6cd5\u53ca\u65f6\u670d\u52a1\u5668\u8fdb\u884c\u56db\u6b21\u6325\u624b&#xff0c;\u56e0\u6b64\u670d\u52a1\u5668\u4e5f\u6536\u4e0d\u5230\u4efb\u4f55\u4fe1\u606f&#xff0c;\u9664\u975e\u670d\u52a1\u5668\u4e3b\u52a8\u53bb\u8bfb\u6216\u8005\u5199&#xff0c;\u5ba2\u6237\u7aef\u4f1a\u7ed9\u670d\u52a1\u5668\u53d1\u9001\u4e00\u4e2aRST&#xff0c;\u670d\u52a1\u5668\u8bfb\u5199\u7684\u8fd4\u56de\u503c\u90fd\u662f-1&#xff0c;\u9519\u8bef\u7801\u8bbe\u7f6e\u4e3aECOMNNRESET&#xff0c;\u5e76\u4e14\u5728epoll\u6a21\u578b\u4e0b\u7684\u670d\u52a1\u5668\u4f1a\u89e6\u53d1EPOLLERR\u548cEPOLLHUOP\u4e8b\u4ef6\u3002<\/p>\n<p>\u5ba2\u6237\u7aef\u6b63\u5e38\u8c03\u7528close\u6216\u8005ctrl&#043;c\u7ec8\u6b62\u8fdb\u7a0b&#xff0c;\u5ba2\u6237\u7aef\u64cd\u4f5c\u7cfb\u7edf\u6709\u673a\u4f1a\u548c\u670d\u52a1\u5668\u8fdb\u884c\u56db\u6b21\u6325\u624b&#xff0c;read\u8fd4\u56de\u503c\u662f0&#xff0c;\u5982\u679c\u53d1\u9001\u7f13\u5b58\u533a\u8fd8\u6709\u6570\u636e\u53ef\u80fd\u9996\u6b21\u53d1\u9001\u56de\u6210\u529f&#xff0c;\u7b2c\u4e8c\u6b21\u518d\u6b21\u53d1\u9001\u8fd4\u56de\u503c\u662f-1&#xff0c;\u5e76\u4e14\u4f1a\u89e6\u53d1SIGPIPE\u4fe1\u53f7&#xff0c;\u5982\u679c\u670d\u52a1\u5668\u4e0d\u5bf9\u8fd9\u4e2a\u4fe1\u53f7\u505a\u5904\u7406&#xff0c;\u5c31\u4f1a\u5bfc\u81f4\u670d\u52a1\u5668\u5954\u6e83\u9000\u51fa\u3002\u56e0\u6b64\u6211\u4eec\u8fd8\u9700\u8981\u5bf9\u8fd9\u4e2a\u4fe1\u53f7\u8fdb\u884c\u7279\u6b8a\u5904\u7406\u3002<\/p>\n<p><span class=\"token comment\">\/*\u907f\u514d\u670d\u52a1\u5668\u56e0\u4e3a\u7ed9\u65ad\u5f00\u8fde\u63a5\u7684\u5ba2\u2f3e\u7aef\u8fdb\u2f8fsend\u89e6\u53d1\u5f02\u5e38\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83&#xff0c;\u56e0\u6b64\u5ffd\u7565SIGPIPE\u4fe1\u53f7*\/<\/span><br \/>\n<span class=\"token comment\">\/*\u5b9a\u4e49\u9759\u6001\u5168\u5c40\u662f\u4e3a\u4e86\u4fdd\u8bc1\u6784\u9020\u51fd\u6570\u4e2d\u7684\u4fe1\u53f7\u5ffd\u7565\u5904\u7406\u80fd\u591f\u5728\u7a0b\u5e8f\u542f\u52a8\u9636\u6bb5\u5c31\u88ab\u76f4\u63a5\u6267\u2f8f*\/<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">NetWork<\/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\">NetWork<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG_DEBUG<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;SIGPIPE INIT&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">signal<\/span><span class=\"token punctuation\">(<\/span>SIGPIPE<span class=\"token punctuation\">,<\/span>SIG_IGN<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> NetWork nw<span class=\"token punctuation\">;<\/span><\/p>\n<h2>4. Poller\u6a21\u5757<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418082833-68020d312ef1e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>Poller\u6a21\u5757&#xff1a;\u63cf\u8ff0\u7b26IO\u4e8b\u4ef6\u76d1\u63a7\u6a21\u5757 \u610f\u4e49&#xff1a;\u901a\u8fc7epoll\u5b9e\u73b0\u5bf9\u63cf\u8ff0\u7b26\u7684lO\u4e8b\u4ef6\u76d1\u63a7 \u529f\u80fd&#xff1a;<\/p>\n<li>\u6dfb\u52a0\/\u4fee\u6539\u63cf\u8ff0\u7b26\u7684\u4e8b\u4ef6\u76d1\u63a7&#xff08;\u4e0d\u5b58\u5728\u5219\u6dfb\u52a0&#xff0c;\u5b58\u5728\u5219\u4fee\u6539&#xff09;<\/li>\n<li>\u79fb\u9664\u63cf\u8ff0\u7b26\u7684\u4e8b\u4ef6\u76d1\u63a7<\/li>\n<p>\u5c01\u88c5\u601d\u60f3&#xff1a;<\/p>\n<li>\u5fc5\u987b\u62e5\u6709\u4e00\u4e2aepoll\u7684\u64cd\u4f5c\u53e5\u67c4<\/li>\n<li>\u62e5\u6709\u4e00\u4e2astructepoll_event\u7ed3\u6784\u6570\u7ec4&#xff0c;\u76d1\u63a7\u65f6\u4fdd\u5b58\u6240\u6709\u7684\u6d3b\u8dc3\u4e8b\u4ef6<\/li>\n<li>\u4f7f\u7528hash\u8868\u7ba1\u7406\u63cf\u8ff0\u7b26\u4e0e\u63cf\u8ff0\u7b26\u5bf9\u5e94\u7684\u4e8b\u4ef6\u7ba1\u7406Channel\u5bf9\u8c61<\/li>\n<p>\u903b\u8f91\u6d41\u7a0b&#xff1a;<\/p>\n<li>\u5bf9\u63cf\u8ff0\u7b26\u8fdb\u884c\u76d1\u63a7&#xff0c;\u901a\u8fc7Channel\u624d\u80fd\u77e5\u9053\u63cf\u8ff0\u7b26\u9700\u8981\u76d1\u63a7\u4ec0\u4e48\u4e8b\u4ef6<\/li>\n<li>\u5f53\u63cf\u8ff0\u7b26\u5c31\u7eea\u4e86&#xff0c;\u901a\u8fc7\u63cf\u8ff0\u7b26\u5728hash\u8868\u4e2d\u627e\u5230\u5bf9\u5e94\u7684Channel&#xff08;\u5f97\u5230\u4e86Channel\u624d\u80fd\u77e5\u9053\u4ec0\u4e48\u4e8b\u4ef6\u5982\u4f55\u5904\u7406)\u5f53\u63cf\u8ff0\u7b26\u5c31\u7eea\u4e86&#xff0c;\u8fd4\u56de\u5c31\u7eea\u63cf\u8ff0\u7b26\u5bf9\u5e94\u7684Channel<\/li>\n<p><span class=\"token comment\">\/\/ \u63cf\u8ff0\u7b26I\/O\u4e8b\u4ef6\u76d1\u63a7Poller\u6a21\u5757<\/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\">MAX_EPOLLEVEVTS<\/span> <span class=\"token expression\"><span class=\"token number\">1024<\/span><\/span><\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Poller<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _epfd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> _evs<span class=\"token punctuation\">[<\/span>MAX_EPOLLEVEVTS<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>unordered_map<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span> Channel <span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> _channels<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5bf9epoll\u76f4\u63a5\u64cd\u4f5c<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span>Channel <span class=\"token operator\">*<\/span>channel<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> op<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> fd <span class=\"token operator\">&#061;<\/span> channel<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 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> fd<span class=\"token punctuation\">;<\/span><br \/>\n        ev<span class=\"token punctuation\">.<\/span>events <span class=\"token operator\">&#061;<\/span> channel<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Events<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_ctl<\/span><span class=\"token punctuation\">(<\/span>_epfd<span class=\"token punctuation\">,<\/span> op<span class=\"token punctuation\">,<\/span> fd<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>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG_WARRING<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;EPOLLCTL FAILED!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">Poller<\/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>MAX_EPOLLEVEVTS<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\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG_FATAL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;EPOLL CREATE FAILED!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">abort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u9000\u51fa\u7a0b\u5e8f<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6dfb\u52a0\/\u4fee\u6539\u76d1\u63a7\u4e8b\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">UpdateEvent<\/span><span class=\"token punctuation\">(<\/span>Channel <span class=\"token operator\">*<\/span>channel<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>channel<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 keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>it <span class=\"token operator\">&#061;&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u4e0d\u5b58\u5728\u5219\u6dfb\u52a0<\/span><br \/>\n            _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span>channel<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> channel<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span>channel<span class=\"token punctuation\">,<\/span> EPOLL_CTL_ADD<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5b58\u5728\u5219\u4fee\u6539<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span>channel<span class=\"token punctuation\">,<\/span> EPOLL_CTL_MOD<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u79fb\u9664\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">RemoveEvent<\/span><span class=\"token punctuation\">(<\/span>Channel <span class=\"token operator\">*<\/span>channel<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>channel<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 keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>it <span class=\"token operator\">!&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">erase<\/span><span class=\"token punctuation\">(<\/span>it<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span>channel<span class=\"token punctuation\">,<\/span> EPOLL_CTL_DEL<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5f00\u59cb\u76d1\u63a7,\u8fd4\u56de\u5c31\u7eea\u4e8b\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Poll<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>Channel <span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">*<\/span>active<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> nfds <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_wait<\/span><span class=\"token punctuation\">(<\/span>_epfd<span class=\"token punctuation\">,<\/span> _evs<span class=\"token punctuation\">,<\/span> MAX_EPOLLEVEVTS<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>nfds <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EINTR<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token function\">LOG_FATAL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;EPOLL WAIT ERROR:%s\\\\n&#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 function\">abort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u9000\u51fa\u7a0b\u5e8f<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> nfds<span class=\"token punctuation\">;<\/span> <span class=\"token operator\">&#043;&#043;<\/span>i<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>_evs<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>it <span class=\"token operator\">!&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            it<span class=\"token operator\">-&gt;<\/span>second<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetREvents<\/span><span class=\"token punctuation\">(<\/span>_evs<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>events<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5b9e\u9645\u5c31\u7eea\u7684\u4e8b\u4ef6<\/span><br \/>\n            active<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>it<span class=\"token operator\">-&gt;<\/span>second<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h2>5. EventLoop\u6a21\u5757<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418082833-68020d3159c6f.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u9996\u5148\u8981\u5148\u4ecb\u7ecd\u4e00\u4e0beventfd&#xff0c;eventfd\u662f\u4e00\u79cd\u4e8b\u4ef6\u901a\u77e5\u673a\u5236\u3002\u521b\u5efa\u4e00\u4e2a\u63cf\u8ff0\u7b26\u7528\u4e8e\u5b9e\u73b0\u4e8b\u4ef6\u901a\u77e5\u3002eventfd\u672c\u8d28\u5728\u5185\u6838\u91cc\u8fb9\u7ba1\u7406\u7684\u5c31\u662f\u4e00\u4e2a\u8ba1\u6570\u5668\u3002\u521b\u5efaeventfd\u5c31\u4f1a\u5728\u5185\u6838\u4e2d\u521b\u5efa\u4e00\u4e2a\u8ba1\u6570\u5668&#xff08;\u7ed3\u6784&#xff09;\u3002<\/p>\n<p>\u6bcf\u5f53\u5411evenfd\u4e2d\u5199\u5165\u4e00\u4e2a\u6570\u503c\u2014\u7528\u4e8e\u8868\u793a\u4e8b\u4ef6\u901a\u77e5\u6b21\u6570&#xff0c;\u53ef\u4ee5\u4f7f\u7528read\u8fdb\u884c\u6570\u636e\u7684\u8bfb\u53d6&#xff0c;\u8bfb\u53d6\u5230\u7684\u6570\u636e\u5c31\u662f\u901a\u77e5\u7684\u6b21\u6570\u3002<\/p>\n<p>\u5047\u8bbe\u6bcf\u6b21\u7ed9eventfd\u4e2d\u5199\u5165\u4e00\u4e2a1&#xff0c;\u5c31\u8868\u793a\u901a\u77e5\u4e86\u4e00\u6b21&#xff0c;\u8fde\u7eed\u5199\u4e86\u4e09\u6b21\u4e4b\u540e&#xff0c; \u518d\u53bbread\u8bfb\u53d6\u51fa\u6765\u7684\u6570\u5b57\u5c31\u662f3&#xff0c;\u8bfb\u53d6\u4e4b\u540e\u8ba1\u6570\u6e050\u3002<\/p>\n<p>\u7528\u5904&#xff1a;\u5728EventLoop\u6a21\u5757\u4e2d\u5b9e\u73b0\u7ebf\u7a0b\u95f4\u7684\u4e8b\u4ef6\u901a\u77e5\u529f\u80fd<\/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;sys\/eventfd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;stdint.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 comment\">\/*int eventfd(unsigned int initval, int flags);<br \/>\n\u529f\u80fd&#xff1a;\u521b\u5efa\u4e00\u4e2aeventfd\u5bf9\u8c61&#xff0c;\u5b9e\u73b0\u4e8b\u4ef6\u901a\u77e5<br \/>\n\u53c2\u6570:<br \/>\ninitval:\u8ba1\u6570\u521d\u503c<br \/>\nflags:<br \/>\nEFD_CLOEXEC-\u7981\u6b62\u8fdb\u7a0b\u590d\u5236<br \/>\nEFDNONBLOCK-\u542f\u52a8\u975e\u963b\u585e\u5c5e\u6027<br \/>\n\u8fd4\u56de\u503c&#xff1a;\u8fd4\u56de\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\u7528\u4e8e\u64cd\u4f5c<br \/>\neventfd\u4e5f\u662f\u901a\u8fc7read\/write\/close\u8fdb\u884c\u64cd\u4f5c\u7684\u3002<br \/>\n\u6ce8\u610f\u70b9&#xff1a;read&amp;write\u8fdb\u884cIO\u7684\u65f6\u5019\u6570\u636e\u53ea\u80fd\u662f\u4e00\u4e2a8\u5b57\u8282\u6570\u636e*\/<\/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    <span class=\"token keyword\">int<\/span> evfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">eventfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span>EFD_CLOEXEC <span class=\"token operator\">|<\/span> EFD_NONBLOCK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>evfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>cout<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034;EVENTFD FAIL!&#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>std<span class=\"token operator\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">abort<\/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\">uint64_t<\/span> len <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>evfd<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>evfd<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>evfd<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/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>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>cout<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034;WRITE FAIL!&#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>std<span class=\"token operator\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">abort<\/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\">uint64_t<\/span> val<span class=\"token punctuation\">;<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>evfd<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>val<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span> val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>cout<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034;WRITE FAIL!&#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>std<span class=\"token operator\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">abort<\/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    std<span class=\"token operator\">::<\/span>cout<span class=\"token operator\">&lt;&lt;<\/span>val<span class=\"token operator\">&lt;&lt;<\/span>std<span class=\"token operator\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>EventLoop&#xff1a;\u8fdb\u884c\u4e8b\u4ef6\u76d1\u63a7&#xff0c;\u4ee5\u53ca\u4e8b\u4ef6\u5904\u7406\u7684\u6a21\u5757 \u5173\u952e\u70b9&#xff1a;\u8fd9\u4e2a\u6a21\u5757\u4e0e\u7ebf\u7a0b\u662f\u4e00\u4e00\u5bf9\u5e94\u5173\u8054\u7684&#xff0c;\u4e00\u4e2aEventLoop\u5bf9\u5e94\u4e00\u4e2a\u7ebf\u7a0b\u3002<\/p>\n<p>\u76d1\u63a7\u4e86\u4e00\u4e2a\u8fde\u63a5&#xff0c;\u800c\u8fd9\u4e2a\u8fde\u63a5\u4e00\u65e6\u5c31\u7eea&#xff0c;\u5c31\u8981\u8fdb\u884c\u4e8b\u4ef6\u5904\u7406\u3002\u4f46\u662f\u5982\u679c\u8fd9\u4e2a\u63cf\u8ff0\u7b26&#xff0c;\u5728\u591a\u4e2aEventLoop\u7ebf\u7a0b\u4e2d\u90fd\u89e6\u53d1\u4e86\u4e8b\u4ef6&#xff0c;\u7136\u540e\u8fdb\u884c\u5904\u7406&#xff0c;\u5c31\u4f1a\u5b58\u5728\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u3002\u5c31\u6bd4\u5982\u8bf4\u5373\u65f6\u901a\u4fe1&#xff0c;\u5f53\u67d0\u4e2aEventLoop\u7ba1\u7406\u7684\u8fde\u63a5\u89e6\u53d1\u4e86\u8bfb\u4e8b\u4ef6&#xff0c;\u7136\u540e\u8981\u628a\u8fd9\u6761\u6d88\u606f\u53d1\u9001\u7ed9\u6240\u6709\u5728\u7ebf\u7684\u8fde\u63a5&#xff0c;\u6b64\u65f6\u5c31\u4f1a\u6d89\u53ca\u5230\u591a\u4e2aEventLoop\u7ebf\u7a0b&#xff0c;\u5c31\u6709\u7ebf\u7a0b\u5b89\u5168\u7684\u95ee\u9898\u3002\u5982\u679c\u4e0d\u60f3\u52a0\u9501\u600e\u4e48\u529e&#xff0c;\u6bd5\u7adf\u52a0\u9501\u89e3\u9501\u6709\u4e00\u5b9a\u7684\u6d88\u8017\u3002\u4e0d\u52a0\u9501\u600e\u4e48\u4fdd\u8bc1\u591a\u7ebf\u7a0b\u4e4b\u95f4\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898&#xff1f;<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u5c06\u4e00\u4e2aEventLoop\u7ba1\u7406\u6240\u6709\u8fde\u63a5\u7684\u4e8b\u4ef6\u76d1\u63a7&#xff0c;\u4ee5\u53ca\u8fde\u63a5\u4e8b\u4ef6\u5904\u7406&#xff0c;\u4ee5\u53ca\u5176\u4ed6\u64cd\u4f5c\u90fd\u653e\u5728\u540c\u4e00\u4e2a\u7ebf\u7a0b\u4e2d\u8fdb\u884c&#xff01;<\/p>\n<p>\u5982\u4f55\u4fdd\u8bc1\u4e00\u4e2a\u8fde\u63a5\u7684\u6240\u6709\u64cd\u4f5c\u90fd\u5728EventLoop\u5bf9\u5e94\u7684\u7ebf\u7a0b\u4e2d&#xff1f;<\/p>\n<p>\u89e3\u51b3\u65b9\u6848&#xff1a;\u7ed9EventLoop\u6a21\u5757\u4e2d&#xff0c;\u6dfb\u52a0\u4e00\u4e2a\u4efb\u52a1\u961f\u5217<\/p>\n<p>\u5bf9\u8fde\u63a5\u7684\u6240\u6709\u64cd\u4f5c&#xff0c;\u90fd\u8fdb\u884c\u4e00\u6b21\u5c01\u88c5&#xff0c;\u5c06\u5bf9\u8fde\u63a5\u7684\u64cd\u4f5c\u5e76\u4e0d\u76f4\u63a5\u6267\u884c&#xff0c;\u800c\u662f\u5f53\u4f5c\u4efb\u52a1\u6dfb\u52a0\u5230\u4efb\u52a1\u961f\u5217\u4e2d\u3002<\/p>\n<p>EventLoop\u5904\u7406\u6d41\u7a0b&#xff1a;<\/p>\n<li>\u5728\u7ebf\u7a0b\u4e2d\u5bf9\u63cf\u8ff0\u7b26\u8fdb\u884c\u4e8b\u4ef6\u76d1\u63a7<\/li>\n<li>\u6709\u63cf\u8ff0\u7b26\u5c31\u7eea\u5219\u5bf9\u63cf\u8ff0\u7b26\u8fdb\u884c\u4e8b\u4ef6\u5904\u7406&#xff08;\u5982\u4f55\u4fdd\u8bc1\u5904\u7406\u56de\u8c03\u51fd\u6570\u4e2d\u7684\u64cd\u4f5c\u90fd\u5728\u7ebf\u7a0b\u4e2d&#xff09;<\/li>\n<li>\u6240\u6709\u7684\u5c31\u7eea\u4e8b\u4ef6\u5904\u7406\u5b8c\u4e86&#xff0c;\u8fd9\u65f6\u5019\u518d\u53bb\u5c06\u4efb\u52a1\u961f\u5217\u4e2d\u7684\u6240\u6709\u4efb\u52a1\u4e00\u4e00\u6267\u884c<\/li>\n<p>\u8fd9\u6837\u80fd\u591f\u4fdd\u8bc1\u5bf9\u4e8e\u8fde\u63a5\u7684\u6240\u6709\u64cd\u4f5c&#xff0c;\u90fd\u662f\u5728\u4e00\u4e2a\u7ebf\u7a0b\u4e2d\u8fdb\u884c\u7684&#xff0c;\u4e0d\u6d89\u53ca\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u4f46\u662f\u5bf9\u4e8e\u4efb\u52a1\u961f\u5217\u7684\u64cd\u4f5c\u6709\u7ebf\u7a0b\u5b89\u5168\u7684\u95ee\u9898&#xff0c;\u53ea\u9700\u8981\u7ed9task\u7684\u64cd\u4f5c\u52a0\u4e00\u628a\u9501\u5373\u53ef\u3002<\/p>\n<p>\u8fd9\u91cc\u8fd8\u6709\u4e00\u4e2a\u6ce8\u610f\u70b9&#xff1a;\u5f53\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u9700\u8981\u5904\u7406\u7684\u65f6\u5019&#xff0c;\u5904\u7406\u8fc7\u7a0b\u4e2d&#xff0c;\u5982\u679c\u5bf9\u8fde\u63a5\u8981\u8fdb\u884c\u67d0\u4e9b\u64cd\u4f5c&#xff1a;\u8fd9\u4e9b\u64cd\u4f5c\u5fc5\u987b\u5728EventLoop\u5bf9\u5e94\u7684\u7ebf\u7a0b\u4e2d\u6267\u884c&#xff0c;\u4fdd\u8bc1\u5bf9\u8fde\u63a5\u7684\u5404\u9879\u64cd\u4f5c\u90fd\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u3002<\/p>\n<li>\u5982\u679c\u6267\u884c\u7684\u64cd\u4f5c\u672c\u5c31\u5728\u7ebf\u7a0b\u4e2d&#xff0c;\u4e0d\u9700\u8981\u5c06\u64cd\u4f5c\u538b\u5165\u961f\u5217\u4e86&#xff0c;\u53ef\u4ee5\u76f4\u63a5\u6267\u884c<\/li>\n<li>\u5982\u679c\u6267\u884c\u7684\u64cd\u4f5c\u4e0d\u518d\u7ebf\u7a0b\u4e2d&#xff0c;\u624d\u9700\u8981\u52a0\u5165\u4efb\u52a1\u6c60&#xff0c;\u7b49\u5230\u4e8b\u4ef6\u5904\u7406\u5b8c\u4e86\u7136\u540e\u6267\u884c\u4efb\u52a1<\/li>\n<hr \/>\n<p>\u4e0a\u9762\u662f\u6574\u4e2a\u9879\u76ee\u6700\u6838\u5fc3\u7684\u77e5\u8bc6\u70b9\u3002<\/p>\n<p>EventLoop\u6a21\u5757\u7684\u6210\u5458&#xff1a;<\/p>\n<li>\u4e8b\u4ef6\u76d1\u63a7 \u4f7f\u7528Poller\u6a21\u5757&#xff0c;\u6709\u4e8b\u4ef6\u5c31\u7eea\u5219\u8fdb\u884c\u4e8b\u4ef6\u5904\u7406<\/li>\n<li>\u6267\u884c\u4efb\u52a1\u961f\u5217\u4e2d\u7684\u4efb\u52a1 \u4e00\u4e2a\u7ebf\u7a0b\u5b89\u5168\u7684\u4efb\u52a1\u961f\u5217<\/li>\n<p>\u6ce8\u610f\u70b9&#xff1a;<\/p>\n<p>\u56e0\u4e3a\u6709\u53ef\u80fd\u56e0\u4e3a\u7b49\u5f85\u63cf\u8ff0\u7b26IO\u4e8b\u4ef6\u5c31\u7eea&#xff0c;\u5bfc\u81f4\u6267\u884c\u6d41\u6d41\u7a0b\u963b\u585e&#xff0c;\u8fd9\u65f6\u5019\u4efb\u52a1\u961f\u5217\u4e2d\u7684\u4efb\u52a1\u5c06\u5f97\u4e0d\u5230\u6267\u884c&#xff0c;\u56e0\u6b64\u5f97\u6709\u4e00\u4e2a\u4e8b\u4ef6\u901a\u77e5\u7684\u4e1c\u897f&#xff0c;\u80fd\u591f\u5524\u9192\u4e8b\u4ef6\u76d1\u63a7\u7684\u963b\u585e&#xff0c;\u4e0a\u9762eventfd\u5728\u8fd9\u91cc\u5c31\u6d3e\u4e0a\u7528\u573a\u4e86\u3002<\/p>\n<p><span class=\"token comment\">\/\/ EvevtLoop\u6a21\u5757,\u5bf9\u4e8b\u4ef6\u8fdb\u884c\u76d1\u63a7,\u5904\u7406<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">EventLoop<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">using<\/span> Functor <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>thread<span class=\"token operator\">::<\/span>id _thread_id<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ EvevtLoop\u5bf9\u5e94\u7684\u7ebf\u7a0bID<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _event_fd<span class=\"token punctuation\">;<\/span>               <span class=\"token comment\">\/\/ eventfd\u5524\u9192IO\u4e8b\u4ef6\u76d1\u63a7\u6709\u53ef\u80fd\u5bfc\u81f4\u7684\u963b\u585e<\/span><br \/>\n    Channel _event_channel<span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u5bf9_event_fd\u505a\u4e8b\u4ef6\u7ba1\u7406<\/span><br \/>\n    Poller _poller<span class=\"token punctuation\">;<\/span>              <span class=\"token comment\">\/\/ \u5bf9\u6240\u6709\u4e8b\u4ef6\u8fdb\u884c\u76d1\u63a7<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>Functor<span class=\"token operator\">&gt;<\/span> _tasks<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4efb\u52a1\u6c60<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>mutex _mutex<span class=\"token punctuation\">;<\/span>           <span class=\"token comment\">\/\/ \u5b9e\u73b0\u4efb\u52a1\u6c60\u64cd\u4f5c\u7684\u7ebf\u7a0b\u5b89\u5168<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6267\u884c\u4efb\u52a1\u6c60\u4e2d\u6240\u6709\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">RunAllTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4e3a\u4e86\u4e0d\u8ba9\u6bcf\u6b21\u62ff\u4efb\u52a1\u90fd\u52a0\u9501\u89e3\u9501,\u56e0\u6b64\u4e00\u6b21\u628a\u4efb\u52a1\u90fd\u62ff\u51fa\u6765<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8fd9\u4e5f\u662f\u4e0d\u7528\u961f\u5217\u505a\u4efb\u52a1\u6c60\u7684\u539f\u56e0<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>Functor<span class=\"token operator\">&gt;<\/span> functor<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>unique_lock<span class=\"token operator\">&lt;<\/span>std<span class=\"token operator\">::<\/span>mutex<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">_lock<\/span><span class=\"token punctuation\">(<\/span>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _tasks<span class=\"token punctuation\">.<\/span><span class=\"token function\">swap<\/span><span class=\"token punctuation\">(<\/span>functor<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4f9d\u6b21\u6267\u884c\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>f <span class=\"token operator\">:<\/span> functor<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">f<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">CreateEventFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> efd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">eventfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> O_CLOEXEC <span class=\"token operator\">|<\/span> O_NONBLOCK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>efd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG_FATAL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;CREATE EVENTFD FAILED!!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">abort<\/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\">return<\/span> efd<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\">ReadEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">uint64_t<\/span> res <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>_event_fd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>res<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span> res<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EINTR <span class=\"token operator\">||<\/span> errno <span class=\"token operator\">&#061;&#061;<\/span> EWOULDBLOCK<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token function\">LOG_FATAL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;READ EVENTFD FAILED!!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">abort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">WeakUpEventfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">uint64_t<\/span> val <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>_event_fd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>val<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span> val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EINTR<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token function\">LOG_FATAL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;WRITE EVENTFD FAILED!!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">abort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">EventLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_thread_id<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span>this_thread<span class=\"token operator\">::<\/span><span class=\"token function\">get_id<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_event_fd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">CreateEventFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_event_channel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> _event_fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_time_wheel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u7ed9eventfd\u6dfb\u52a0\u53ef\u8bfb\u4e8b\u4ef6\u7684\u56de\u8c03,\u5c31\u7eea\u4e86,\u8bfb\u53d6eventfd\u4e8b\u4ef6\u901a\u77e5\u6b21\u6570<\/span><br \/>\n        _event_channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetReadCallback<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>EventLoop<span class=\"token operator\">::<\/span>ReadEvent<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u542f\u52a8eventfd\u8bfb\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n        _event_channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">EnableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/std::cout&lt;&lt;&#034;_event_fd: &#034;&lt;&lt;_event_fd&lt;&lt;std::endl;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 1.\u4e8b\u4ef6\u76d1\u63a7 2.\u5c31\u7eea\u4e8b\u4ef6\u5904\u7406 3.\u6267\u884c\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Statr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ 1.\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>Channel <span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> active<span class=\"token punctuation\">;<\/span><br \/>\n            _poller<span class=\"token punctuation\">.<\/span><span class=\"token function\">Poll<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>active<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ 2.\u5c31\u7eea\u4e8b\u4ef6\u5904\u7406<\/span><br \/>\n            <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>channel <span class=\"token operator\">:<\/span> active<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                channel<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">HandleEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token comment\">\/\/ 3.\u6267\u884c\u4efb\u52a1<\/span><br \/>\n            <span class=\"token function\">RunAllTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5224\u65ad\u5f53\u524d\u7ebf\u7a0b\u662f\u5426\u662fEventLoop\u5bf9\u5e94\u7684\u7ebf\u7a0b<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">IsInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _thread_id <span class=\"token operator\">&#061;&#061;<\/span> std<span class=\"token operator\">::<\/span>this_thread<span class=\"token operator\">::<\/span><span class=\"token function\">get_id<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5224\u65ad\u5c06\u8981\u6267\u884c\u7684\u4efb\u52a1\u662f\u5426\u5904\u4e8e\u5f53\u524d\u7ebf\u7a0b,\u5982\u679c\u662f\u5219\u6267\u884c,\u4e0d\u662f\u5219\u538b\u5165\u961f\u5217<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Functor <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">IsInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token function\">cb<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">QueueInLoop<\/span><span class=\"token punctuation\">(<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">AssertInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>_thread_id <span class=\"token operator\">&#061;&#061;<\/span> std<span class=\"token operator\">::<\/span>this_thread<span class=\"token operator\">::<\/span><span class=\"token function\">get_id<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5c06\u64cd\u4f5c\u538b\u5165\u4efb\u52a1\u6c60<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">QueueInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Functor <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>unique_lock<span class=\"token operator\">&lt;<\/span>std<span class=\"token operator\">::<\/span>mutex<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">_lock<\/span><span class=\"token punctuation\">(<\/span>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _tasks<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5524\u9192\u6709\u53ef\u80fd\u56e0\u4e3a\u6ca1\u6709\u4e8b\u4ef6\u5c31\u7eea,\u800c\u5bfc\u81f4\u7684epoll\u963b\u585e<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5176\u5b9e\u5c31\u662f\u7ed9eventfd\u5199\u5165\u4e00\u4e2a\u6570\u636e,eventfd\u5c31\u4f1a\u89e6\u53d1\u53ef\u8bfb\u4e8b\u4ef6<\/span><br \/>\n        <span class=\"token function\">WeakUpEventfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6dfb\u52a0\/\u4fee\u6539\u63cf\u8ff0\u7b26\u7684\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">UpdateEvent<\/span><span class=\"token punctuation\">(<\/span>Channel <span class=\"token operator\">*<\/span>channel<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _poller<span class=\"token punctuation\">.<\/span><span class=\"token function\">UpdateEvent<\/span><span class=\"token punctuation\">(<\/span>channel<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u79fb\u9664\u63cf\u8ff0\u7b26\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">RemoveEvent<\/span><span class=\"token punctuation\">(<\/span>Channel <span class=\"token operator\">*<\/span>channel<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _poller<span class=\"token punctuation\">.<\/span><span class=\"token function\">RemoveEvent<\/span><span class=\"token punctuation\">(<\/span>channel<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h3>5.1 TimerQueue\u6a21\u5757<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418082833-68020d31dd0cb.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4e00\u4e2aEventLoop\u6a21\u5757\u91cc\u9762\u4e5f\u6709\u4e00\u4e2aTimerQueue\u5bf9\u8c61\u7528\u4e8e\u5b9a\u65f6\u4efb\u52a1\u7684\u7ba1\u7406&#xff0c;\u91cc\u9762\u653e\u7740\u6bcf\u4e2a\u8fde\u63a5\u7684\u975e\u6d3b\u8dc3\u8d85\u65f6\u9500\u6bc1\u7684\u4efb\u52a1\u3002\u8fd9\u91cc\u6709\u4e2a\u95ee\u9898&#xff0c;\u5982\u4f55\u8ba9\u6574\u4e2a\u7a0b\u5e8f\u542f\u52a8\u4e4b\u540e&#xff0c;\u65f6\u95f4\u8f6e\u4e00\u79d2\u8d70\u4e00\u6b65\u5462&#xff1f;<\/p>\n<p>\u53ef\u4ee5\u5c06\u65f6\u95f4\u8f6e\u548cLinux\u4e0b\u7684\u5b9a\u65f6\u5668time_create\u548ctime_settime\u6574\u5408\u5728\u4e00\u8d77\u3002<\/p>\n<p>\u5b9a\u65f6\u5668\u6a21\u5757\u7684\u6574\u5408&#xff1a;<\/p>\n<p>timerfd&#xff1a;\u5b9e\u73b0\u5185\u6838\u6bcf\u9694\u4e00\u6bb5\u65f6\u95f4&#xff0c;\u7ed9\u8fdb\u7a0b\u4e00\u6b21\u8d85\u65f6\u4e8b\u4ef6(timerfd\u53ef\u8bfb) timerwheel:\u5b9e\u73b0\u6bcf\u6b21\u6267\u884cRuntimetask&#xff0c;\u90fd\u53ef\u4ee5\u6267\u884c\u4e00\u6ce2\u5230\u671f\u7684\u5b9a\u65f6\u4efb\u52a1<\/p>\n<p>\u8981\u5b9e\u73b0\u4e00\u4e2a\u5b8c\u6574\u7684\u79d2\u7ea7\u5b9a\u65f6\u5668&#xff0c;\u5c31\u9700\u8981\u5c06\u8fd9\u4e24\u4e2a\u529f\u80fd\u6574\u5408\u5230\u4e00\u8d77<\/p>\n<p>timerfd\u8bbe\u7f6e\u4e3a\u6bcf\u79d2\u949f\u89e6\u53d1\u4e00\u6b21\u5b9a\u65f6\u4e8b\u4ef6&#xff0c;\u5f53\u4e8b\u4ef6\u88ab\u89e6\u53d1&#xff0c;\u5219\u8fd0\u884c\u4e00\u6b21timerwheel\u7684runtimertask&#xff0c;\u6267\u884c\u4e00\u4e0b\u6240\u6709\u7684\u8fc7\u671f\u5b9a\u65f6\u4efb\u52a1\u3002<\/p>\n<p><span class=\"token comment\">\/\/ \u5b9a\u65f6\u5668\u6a21\u5757<\/span><br \/>\n<span class=\"token keyword\">using<\/span> TaskFunc <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">using<\/span> ReleaseFunc <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TimerTask<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">uint64_t<\/span> _id<span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u5b9a\u65f6\u5668\u4efb\u52a1\u5bf9\u8c61ID<\/span><br \/>\n    <span class=\"token keyword\">uint32_t<\/span> _timeout<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5b9a\u65f6\u4efb\u52a1\u7684\u8d85\u65f6\u65f6\u95f4<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> _cancel<span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u5b9a\u65f6\u4efb\u52a1\u662f\u5426\u53d6\u6d88,false\u4e0d\u53d6\u6d88,true\u53d6\u6d88<\/span><br \/>\n    TaskFunc _task_cb<span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u5b9a\u65f6\u5668\u5bf9\u8c61\u8981\u6267\u884c\u7684\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    ReleaseFunc _release_cb<span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/\/ \u7528\u4e8e\u5220\u9664TimerWheel\u4e2d\u4fdd\u5b58\u7684\u5b9a\u65f6\u5668\u5bf9\u8c61\u4fe1\u606f<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">TimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint32_t<\/span> time<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">const<\/span> TaskFunc<span class=\"token operator\">&amp;<\/span> cb<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">_id<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_timeout<\/span><span class=\"token punctuation\">(<\/span>time<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_task_cb<\/span><span class=\"token punctuation\">(<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_cancel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">TimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_cancel <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">_task_cb<\/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\">_release_cb<\/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\">uint32_t<\/span> <span class=\"token function\">DelayTime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _timeout<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetRelease<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> ReleaseFunc <span class=\"token operator\">&amp;<\/span>rb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _release_cb <span class=\"token operator\">&#061;<\/span> rb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Cancel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _cancel <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TimeWheel<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">using<\/span> WeakPtr <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>weak_ptr<span class=\"token operator\">&lt;<\/span>TimerTask<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">using<\/span> SharedPtr <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>TimerTask<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _tick<span class=\"token punctuation\">;<\/span>                                  <span class=\"token comment\">\/\/ \u6ef4\u7b54\u6307\u9488,\u5f53\u524d\u7684\u79d2,\u8d70\u5230\u54ea\u91cc\u91ca\u653e\u54ea\u91cc,\u91ca\u653e\u54ea\u91cc,\u5c31\u76f8\u5f53\u4e8e\u6267\u884c\u54ea\u91cc\u7684\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _capacity<span class=\"token punctuation\">;<\/span>                              <span class=\"token comment\">\/\/ \u8868\u76d8\u6700\u5927\u6570\u91cf&#8212;\u5176\u5b9e\u5c31\u662f\u6700\u5927\u5ef6\u8fdf\u65f6\u95f4<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>SharedPtr<span class=\"token operator\">&gt;&gt;<\/span> _wheel<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u65f6\u95f4\u8f6e<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>unordered_map<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">uint64_t<\/span><span class=\"token punctuation\">,<\/span> WeakPtr<span class=\"token operator\">&gt;<\/span> _timers<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u901a\u8fc7id\u627e\u5230\u4efb\u52a1\u5bf9\u8c61,\u65b9\u4fbf\u540e\u7eed\u5237\u65b0\u4efb\u52a1<\/span><br \/>\n    <span class=\"token comment\">\/\/ unordered_map\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e0d\u80fd\u7528shared_ptr,\u5982\u679c\u8fd8\u7528\u7528shared_ptr\u53bb\u6307\u5411\u539f\u59cb\u5bf9\u8c61,\u90a3\u4e48\u5c31\u548c\u4e4b\u524d\u7528shared_ptr\u6307\u5411\u539f\u59cb\u5bf9\u8c61<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u800c\u4ea7\u751f\u7684\u5f15\u7528\u8ba1\u6570\u6839\u672c\u5c31\u4e0d\u662f\u540c\u4e00\u4e2a\u5f15\u7528\u8ba1\u6570,\u8fd9\u6837\u5982\u679cunordered_map\u7b2c\u4e8c\u4e2a\u53c2\u6570\u5f15\u7528\u8ba1\u6570\u662f1,\u800c\u5176\u4ed6\u6307\u5411\u5b83\u5f15\u7528\u8ba1\u6570\u662f2<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4e07\u4e00unordered_map\u7b2c\u4e8c\u4e2a\u53c2\u6570shared_ptr\u88ab\u91ca\u653e\u4e86,\u8fd9\u4e2a\u539f\u59cb\u5bf9\u8c61\u5c31\u4f1a\u88ab\u91ca\u653e,\u8fd9\u662f\u7531\u95ee\u9898\u7684.<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5982\u4f55\u4fdd\u8bc1\u5b9a\u65f6\u5668\u7684\u6ef4\u7b54\u6307\u9488,\u5728\u7a0b\u5e8f\u542f\u52a8\u4e4b\u540e,\u6bcf\u79d2\u8d70\u4e00\u6b21<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4e0elinux\u4e0b\u5f97\u5230\u5b9a\u65f6\u5668time_create\u548ctime_settime\u7ed3\u5408\u4e00\u8d77\u7528<\/span><br \/>\n    <span class=\"token comment\">\/\/ time_settime\u8d85\u65f6\u65f6\u95f4\u95f4\u9694\u8bbe\u7f6e\u4e3a1\u79d2,\u6bcf\u79d2\u90fd\u4f1a\u7ed9timefd\u5199\u8d85\u65f6\u6b21\u6570<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u7528EventLoop\u628atimefd\u7ba1\u7406\u8d77\u6765,\u542f\u52a8\u8bfb\u4e8b\u4ef6\u76d1\u63a7,\u4e00\u5199\u8bfb\u5c31\u7eea,\u7136\u540e\u5c31\u8ba9\u6ef4\u7b54\u6307\u9488\u5f80\u540e\u8d70\u4e00\u6b65<\/span><br \/>\n    EventLoop <span class=\"token operator\">*<\/span>_loop<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _timerfd<span class=\"token punctuation\">;<\/span>             <span class=\"token comment\">\/\/ \u5b9a\u65f6\u5668\u63cf\u8ff0\u7b26&#8211;\u53ef\u8bfb\u4e8b\u4ef6\u56de\u8c03\u5c31\u662f\u8bfb\u53d6\u8ba1\u6570\u5668&#xff0c;\u6267\u884c\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    Channel _timerfd_channel<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u91ca\u653e\u65f6\u95f4\u8f6e\u4e0a\u4efb\u52a1\u5bf9\u8c61<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">RemoveTimer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> _timers<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>it <span class=\"token operator\">&#061;&#061;<\/span> _timers<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        _timers<span class=\"token punctuation\">.<\/span><span class=\"token function\">erase<\/span><span class=\"token punctuation\">(<\/span>it<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">CreateTimerFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> timerfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">timerfd_create<\/span><span class=\"token punctuation\">(<\/span>CLOCK_MONOTONIC<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>timerfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG_FATAL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;CREATE TIMEFD FAILED!!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">abort<\/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\">struct<\/span> <span class=\"token class-name\">itimerspec<\/span> item<span class=\"token punctuation\">;<\/span><br \/>\n        item<span class=\"token punctuation\">.<\/span>it_value<span class=\"token punctuation\">.<\/span>tv_sec <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        item<span class=\"token punctuation\">.<\/span>it_value<span class=\"token punctuation\">.<\/span>tv_nsec <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7b2c\u4e00\u6b21\u8d85\u65f6\u65f6\u95f4<\/span><br \/>\n        item<span class=\"token punctuation\">.<\/span>it_interval<span class=\"token punctuation\">.<\/span>tv_sec <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        item<span class=\"token punctuation\">.<\/span>it_interval<span class=\"token punctuation\">.<\/span>tv_nsec <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7b2c\u2f00\u6b21\u4e4b\u540e\u7684\u8d85\u65f6\u95f4\u9694\u65f6\u95f4<\/span><br \/>\n        <span class=\"token function\">timerfd_settime<\/span><span class=\"token punctuation\">(<\/span>timerfd<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>item<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\">return<\/span> timerfd<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\">ReadTimeFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u6709\u53ef\u80fd\u56e0\u4e3a\u5176\u4ed6\u63cf\u8ff0\u7b26\u7684\u4e8b\u4ef6\u5904\u7406\u82b1\u8d39\u4e8b\u4ef6\u2f50\u8f83\u2ed3&#xff0c;\u7136\u540e\u5728\u5904\u7406\u5b9a\u65f6\u5668\u63cf\u8ff0\u7b26\u4e8b\u4ef6\u7684\u65f6\u5019&#xff0c;\u6709\u53ef\u80fd\u5c31\u5df2\u7ecf\u8d85\u65f6\u4e86\u5f88\u591a\u6b21<\/span><br \/>\n        <span class=\"token comment\">\/\/read\u8bfb\u53d6\u5230\u7684\u6570\u636etimes\u5c31\u662f\u4ece\u4e0a\u2f00\u6b21read\u4e4b\u540e\u8d85\u65f6\u7684\u6b21\u6570<\/span><br \/>\n        <span class=\"token keyword\">uint64_t<\/span> times <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>_timerfd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>times<span class=\"token punctuation\">,<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG_FATAL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;READ TIMERFD FAILED!!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">abort<\/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\">\/\/std::cout&lt;&lt;&#034;cnt:&#034;&lt;&lt;times&lt;&lt;std::endl;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> times<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8fd9\u4e2a\u51fd\u6570\u5e94\u8be5\u6bcf\u79d2\u949f\u88ab\u6267\u884c\u4e00\u6b21&#xff0c;\u76f8\u5f53\u4e8e\u79d2\u9488\u5411\u540e\u8d70\u4e86\u4e00\u6b65<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">RunTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _tick <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>_tick <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> _capacity<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6e05\u7a7a\u6307\u5b9a\u4f4d\u7f6e\u7684\u6570\u7ec4&#xff0c;\u5c31\u4f1a\u628a\u6570\u7ec4\u4e2d\u4fdd\u5b58\u7684\u6240\u6709\u7ba1\u7406\u5b9a\u65f6\u5668\u5bf9\u8c61\u7684shared_ptr\u91ca\u653e\u6389<\/span><br \/>\n        _wheel<span class=\"token punctuation\">[<\/span>_tick<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">clear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6267\u884c\u4efb\u52a1,\u91ca\u653eshared_ptr\u6307\u9488,\u5f53\u5f15\u7528\u8ba1\u6570\u52300,\u8c03\u7528Task\u6790\u6784,\u6267\u884c\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">OneTime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u6839\u636e\u5b9e\u9645\u8d85\u65f6\u7684\u6b21\u6570&#xff0c;\u6267\u2f8f\u5bf9\u5e94\u7684\u8d85\u65f6\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> times <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ReadTimeFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> times<span class=\"token punctuation\">;<\/span> <span class=\"token operator\">&#043;&#043;<\/span>i<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">RunTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">TimerAddInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint32_t<\/span> delay<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> TaskFunc <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        SharedPtr <span class=\"token function\">spt<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">TimerTask<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">,<\/span> delay<span class=\"token punctuation\">,<\/span> cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        spt<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetRelease<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TimeWheel<span class=\"token operator\">::<\/span>RemoveTimer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> pos <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>_tick <span class=\"token operator\">&#043;<\/span> delay<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> _capacity<span class=\"token punctuation\">;<\/span><br \/>\n        _wheel<span class=\"token punctuation\">[<\/span>pos<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>spt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _timers<span class=\"token punctuation\">[<\/span>id<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">WeakPtr<\/span><span class=\"token punctuation\">(<\/span>spt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5237\u65b0\/\u5ef6\u8fdf\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">TimerRefreshInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> _timers<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>it <span class=\"token operator\">&#061;&#061;<\/span> _timers<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u6ca1\u627e\u7740\u5b9a\u65f6\u4efb\u52a1&#xff0c;\u6ca1\u6cd5\u5237\u65b0&#xff0c;\u6ca1\u6cd5\u5ef6\u8fdf<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ spt\u662f\u4e34\u65f6\u5bf9\u8c61,\u51fa\u6808\u540e\u4f1a\u81ea\u52a8\u9500\u6bc1,\u4e0d\u4f1a\u589e\u52a0\u5f15\u7528\u8ba1\u6570<\/span><br \/>\n        SharedPtr spt <span class=\"token operator\">&#061;<\/span> it<span class=\"token operator\">-&gt;<\/span>second<span class=\"token punctuation\">.<\/span><span class=\"token function\">lock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ lock\u83b7\u53d6weak_ptr\u7ba1\u7406\u7684\u5bf9\u8c61\u5bf9\u5e94\u7684shared_ptr<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> delaytime <span class=\"token operator\">&#061;<\/span> spt<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">DelayTime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> pos <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>_tick <span class=\"token operator\">&#043;<\/span> delaytime<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> _capacity<span class=\"token punctuation\">;<\/span><br \/>\n        _wheel<span class=\"token punctuation\">[<\/span>pos<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>spt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u53d6\u6d88\u5b9a\u65f6\u4efb\u52a1,\u7b49\u65f6\u95f4\u5230\u4e86,\u91ca\u653e\u4efb\u52a1\u5bf9\u8c61,\u4f46\u662f\u6790\u6784\u91cc\u9762\u7684\u8d85\u65f6\u4efb\u52a1\u4e0d\u53bb\u6267\u884c<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">TimerCancelInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> _timers<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>it <span class=\"token operator\">&#061;&#061;<\/span> _timers<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u6ca1\u627e\u7740\u5b9a\u65f6\u4efb\u52a1&#xff0c;\u6ca1\u6cd5\u5237\u65b0&#xff0c;\u6ca1\u6cd5\u5ef6\u8fdf<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ spt\u662f\u4e34\u65f6\u5bf9\u8c61,\u51fa\u6808\u540e\u4f1a\u81ea\u52a8\u9500\u6bc1,\u4e0d\u4f1a\u589e\u52a0\u5f15\u7528\u8ba1\u6570<\/span><br \/>\n        SharedPtr spt <span class=\"token operator\">&#061;<\/span> it<span class=\"token operator\">-&gt;<\/span>second<span class=\"token punctuation\">.<\/span><span class=\"token function\">lock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5982\u679c\u6ca1\u6709if\u5224\u65ad,\u8d85\u65f6\u5148\u53bb\u6267\u884c\u7684\u91ca\u653e\u4efb\u52a1,\u7136\u540e\u624d\u5220\u9664unordered_map\u7ba1\u7406\u7684\u5bf9\u8c61,<\/span><br \/>\n        <span class=\"token comment\">\/\/\u91ca\u653e\u4efb\u52a1\u91cc\u9762\u6709\u5982\u679c\u6709\u5b9a\u65f6\u4efb\u52a1\u5c31\u53bb\u53d6\u6d88\u8fd9\u4e00\u6b65,\u56e0\u4e3a\u5bf9\u8c61\u8fd8\u6ca1\u6709\u5220\u9664,\u6240\u6709\u4f1a\u8fdb\u6765\u8fd9\u4e2a\u51fd\u6570<\/span><br \/>\n        <span class=\"token comment\">\/\/\u4f46TimerTask\u5bf9\u8c61\u6b63\u5728\u6790\u6784\u7684\u65f6\u5019,\u6ca1\u6709if\u5224\u65ad \u5c31\u53bb\u6267\u884cspt-&gt;Cancel()\u7a0b\u5e8f\u5c31\u4f1a\u5954\u6e83<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>spt<span class=\"token punctuation\">)<\/span> spt<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Cancel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">TimeWheel<\/span><span class=\"token punctuation\">(<\/span>EventLoop <span class=\"token operator\">*<\/span>loop<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_tick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_capacity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">60<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_wheel<\/span><span class=\"token punctuation\">(<\/span>_capacity<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_loop<\/span><span class=\"token punctuation\">(<\/span>loop<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_timerfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">CreateTimerFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_timerfd_channel<\/span><span class=\"token punctuation\">(<\/span>_loop<span class=\"token punctuation\">,<\/span> _timerfd<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ timerfd\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        _timerfd_channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetReadCallback<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TimeWheel<span class=\"token operator\">::<\/span>OneTime<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _timerfd_channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">EnableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u542f\u52a8timerfd\u8bfb\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">TimeWheel<\/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 comment\">\/\/ \u5b9a\u65f6\u5668\u4e2d\u6709\u4e2a_timers\u6210\u5458,\u5b9a\u65f6\u5668\u4fe1\u606f\u7684\u64cd\u4f5c\u6709\u53ef\u80fd\u5728\u591a\u4e2aEventLoop\u7ebf\u7a0b\u4e2d\u8fdb\u884c,\u56e0\u6b64\u9700\u8981\u8003\u8651\u7ebf\u7a0b\u5b89\u5168\u7684\u95ee\u9898<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4f46\u662f\u6211\u4eec\u53c8\u4e0d\u60f3\u52a0\u9501,\u90a3\u5c31\u628a\u5bf9\u5b9a\u65f6\u5668\u7684\u6240\u6709\u64cd\u4f5c,\u90fd\u653e\u5728\u5bf9\u5e94\u7684\u7ebf\u7a0b\u4e2d\u8fdb\u884c<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4e00\u4e2a\u7ebf\u7a0b\u90fd\u662f\u4e32\u884c\u5316\u6267\u884c\u7684,\u90a3\u5c31\u4e0d\u5b58\u5728\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u4e86<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">TimerAdd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint32_t<\/span> delay<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> TaskFunc <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">TimerRefresh<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">TimerCancel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u867d\u7136\u8fd9\u4e2a\u63a5\u53e3\u5b58\u5728\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898,\u8fd9\u4e2a\u63a5\u53e3\u5b9e\u9645\u4e0a\u4e0d\u80fd\u88ab\u5916\u754c\u4f7f\u7528\u8005\u8c03\u7528,\u53ea\u80fd\u5728\u6a21\u5757EventLoop\u7ebf\u7a0b\u5185\u6267\u884c<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">HasTimer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> _timers<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>it <span class=\"token operator\">&#061;&#061;<\/span> _timers<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h3>5.2 TimeWheel\u6574\u5408\u5230EventLoop<\/h3>\n<p><span class=\"token comment\">\/\/ EvevtLoop\u6a21\u5757,\u5bf9\u4e8b\u4ef6\u8fdb\u884c\u76d1\u63a7,\u5904\u7406<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">EventLoop<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">using<\/span> Functor <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>thread<span class=\"token operator\">::<\/span>id _thread_id<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u7ebf\u7a0bID<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _event_fd<span class=\"token punctuation\">;<\/span>               <span class=\"token comment\">\/\/ eventfd\u5524\u9192IO\u4e8b\u4ef6\u76d1\u63a7\u6709\u53ef\u80fd\u5bfc\u81f4\u7684\u963b\u585e<\/span><br \/>\n    Channel _event_channel<span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u5bf9_event_fd\u505a\u4e8b\u4ef6\u7ba1\u7406<\/span><br \/>\n    Poller _poller<span class=\"token punctuation\">;<\/span>              <span class=\"token comment\">\/\/ \u5bf9\u6240\u6709\u4e8b\u4ef6\u8fdb\u884c\u76d1\u63a7<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>Functor<span class=\"token operator\">&gt;<\/span> _tasks<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4efb\u52a1\u6c60<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>mutex _mutex<span class=\"token punctuation\">;<\/span>           <span class=\"token comment\">\/\/ \u5b9e\u73b0\u4efb\u52a1\u6c60\u64cd\u4f5c\u7684\u7ebf\u7a0b\u5b89\u5168<\/span><br \/>\n    TimeWheel _time_wheel<span class=\"token punctuation\">;<\/span>       <span class=\"token comment\">\/\/ \u5b9a\u65f6\u5668\u6a21\u5757<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6267\u884c\u4efb\u52a1\u6c60\u4e2d\u6240\u6709\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">RunAllTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4e3a\u4e86\u4e0d\u8ba9\u6bcf\u6b21\u62ff\u4efb\u52a1\u90fd\u52a0\u9501\u89e3\u9501,\u56e0\u6b64\u4e00\u6b21\u628a\u4efb\u52a1\u90fd\u62ff\u51fa\u6765<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8fd9\u4e5f\u662f\u4e0d\u7528\u961f\u5217\u505a\u4efb\u52a1\u6c60\u7684\u539f\u56e0<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>Functor<span class=\"token operator\">&gt;<\/span> functor<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>unique_lock<span class=\"token operator\">&lt;<\/span>std<span class=\"token operator\">::<\/span>mutex<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">_lock<\/span><span class=\"token punctuation\">(<\/span>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _tasks<span class=\"token punctuation\">.<\/span><span class=\"token function\">swap<\/span><span class=\"token punctuation\">(<\/span>functor<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4f9d\u6b21\u6267\u884c\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>f <span class=\"token operator\">:<\/span> functor<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">f<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">CreateEventFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> efd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">eventfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> O_CLOEXEC <span class=\"token operator\">|<\/span> O_NONBLOCK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>efd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG_FATAL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;CREATE EVENTFD FAILED!!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">abort<\/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\">return<\/span> efd<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\">ReadEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">uint64_t<\/span> res <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>_event_fd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>res<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span> res<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EINTR <span class=\"token operator\">||<\/span> errno <span class=\"token operator\">&#061;&#061;<\/span> EWOULDBLOCK<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token function\">LOG_FATAL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;READ EVENTFD FAILED!!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">abort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">WeakUpEventfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">uint64_t<\/span> val <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>_event_fd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>val<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span> val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EINTR<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token function\">LOG_FATAL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;WRITE EVENTFD FAILED!!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">abort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">EventLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_thread_id<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span>this_thread<span class=\"token operator\">::<\/span><span class=\"token function\">get_id<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_event_fd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">CreateEventFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_event_channel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> _event_fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_time_wheel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u7ed9eventfd\u6dfb\u52a0\u53ef\u8bfb\u4e8b\u4ef6\u7684\u56de\u8c03,\u5c31\u7eea\u4e86,\u8bfb\u53d6eventfd\u4e8b\u4ef6\u901a\u77e5\u6b21\u6570<\/span><br \/>\n        _event_channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetReadCallback<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>EventLoop<span class=\"token operator\">::<\/span>ReadEvent<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u542f\u52a8eventfd\u8bfb\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n        _event_channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">EnableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/std::cout&lt;&lt;&#034;_event_fd: &#034;&lt;&lt;_event_fd&lt;&lt;std::endl;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 1.\u4e8b\u4ef6\u76d1\u63a7 2.\u5c31\u7eea\u4e8b\u4ef6\u5904\u7406 3.\u6267\u884c\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Statr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ 1.\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>Channel <span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> active<span class=\"token punctuation\">;<\/span><br \/>\n            _poller<span class=\"token punctuation\">.<\/span><span class=\"token function\">Poll<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>active<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ 2.\u5c31\u7eea\u4e8b\u4ef6\u5904\u7406<\/span><br \/>\n            <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>channel <span class=\"token operator\">:<\/span> active<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                channel<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">HandleEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token comment\">\/\/ 3.\u6267\u884c\u4efb\u52a1<\/span><br \/>\n            <span class=\"token function\">RunAllTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5224\u65ad\u5f53\u524d\u7ebf\u7a0b\u662f\u5426\u662fEventLoop\u5bf9\u5e94\u7684\u7ebf\u7a0b<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">IsInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _thread_id <span class=\"token operator\">&#061;&#061;<\/span> std<span class=\"token operator\">::<\/span>this_thread<span class=\"token operator\">::<\/span><span class=\"token function\">get_id<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5224\u65ad\u5c06\u8981\u6267\u884c\u7684\u4efb\u52a1\u662f\u5426\u5904\u4e8e\u5f53\u524d\u7ebf\u7a0b,\u5982\u679c\u662f\u5219\u6267\u884c,\u4e0d\u662f\u5219\u538b\u5165\u961f\u5217<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Functor <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">IsInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token function\">cb<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">QueueInLoop<\/span><span class=\"token punctuation\">(<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">AssertInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>_thread_id <span class=\"token operator\">&#061;&#061;<\/span> std<span class=\"token operator\">::<\/span>this_thread<span class=\"token operator\">::<\/span><span class=\"token function\">get_id<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5c06\u64cd\u4f5c\u538b\u5165\u4efb\u52a1\u6c60<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">QueueInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Functor <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>unique_lock<span class=\"token operator\">&lt;<\/span>std<span class=\"token operator\">::<\/span>mutex<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">_lock<\/span><span class=\"token punctuation\">(<\/span>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _tasks<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5524\u9192\u6709\u53ef\u80fd\u56e0\u4e3a\u6ca1\u6709\u4e8b\u4ef6\u5c31\u7eea,\u800c\u5bfc\u81f4\u7684epoll\u963b\u585e<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5176\u5b9e\u5c31\u662f\u7ed9eventfd\u5199\u5165\u4e00\u4e2a\u6570\u636e,eventfd\u5c31\u4f1a\u89e6\u53d1\u53ef\u8bfb\u4e8b\u4ef6<\/span><br \/>\n        <span class=\"token function\">WeakUpEventfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6dfb\u52a0\/\u4fee\u6539\u63cf\u8ff0\u7b26\u7684\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">UpdateEvent<\/span><span class=\"token punctuation\">(<\/span>Channel <span class=\"token operator\">*<\/span>channel<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _poller<span class=\"token punctuation\">.<\/span><span class=\"token function\">UpdateEvent<\/span><span class=\"token punctuation\">(<\/span>channel<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u79fb\u9664\u63cf\u8ff0\u7b26\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">RemoveEvent<\/span><span class=\"token punctuation\">(<\/span>Channel <span class=\"token operator\">*<\/span>channel<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _poller<span class=\"token punctuation\">.<\/span><span class=\"token function\">RemoveEvent<\/span><span class=\"token punctuation\">(<\/span>channel<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6dfb\u52a0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">TimerAdd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint32_t<\/span> delay<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> TaskFunc <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _time_wheel<span class=\"token punctuation\">.<\/span><span class=\"token function\">TimerAdd<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">,<\/span> delay<span class=\"token punctuation\">,<\/span> cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5237\u65b0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">TimerRefresh<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _time_wheel<span class=\"token punctuation\">.<\/span><span class=\"token function\">TimerRefresh<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5220\u9664\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">TimerCancel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _time_wheel<span class=\"token punctuation\">.<\/span><span class=\"token function\">TimerCancel<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u662f\u5426\u6709\u67d0\u4e2a\u5b9a\u65f6\u4efb\u52a1\u5b58\u5728<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">HasTimer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _time_wheel<span class=\"token punctuation\">.<\/span><span class=\"token function\">HasTimer<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/Chaneel\u6a21\u5757\u4e4b\u524d\u53ea\u6709EventLoop\u7684\u58f0\u660e&#xff0c;\u6ca1\u6709\u5185\u90e8\u51fd\u6570\u3002\u56e0\u6b64\u9700\u8981\u653e\u5728EventLoop\u540e\u9762&#xff0c;\u7f16\u8bd1\u624d\u4e0d\u4f1a\u62a5\u9519<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">Channel<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">Remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RemoveEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">Channel<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">UpdateEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/\u540c\u7406TimeWheel\u6a21\u5757\u4e5f\u662f\u4e00\u6837<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TimeWheel<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">TimerAdd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint32_t<\/span> delay<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> TaskFunc <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TimeWheel<span class=\"token operator\">::<\/span>TimerAddInLoop<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> id<span class=\"token punctuation\">,<\/span> delay<span class=\"token punctuation\">,<\/span> cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TimeWheel<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">TimerRefresh<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TimeWheel<span class=\"token operator\">::<\/span>TimerRefreshInLoop<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TimeWheel<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">TimerCancel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TimeWheel<span class=\"token operator\">::<\/span>TimerCancelInLoop<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>5.1 EventLoop\u4e0e\u7ebf\u7a0b\u7ed3\u5408<\/h3>\n<p>\u76ee\u6807&#xff1a;\u5c06EventLoop\u6a21\u5757\u4e0e\u7ebf\u7a0b\u6574\u5408\u8d77\u6765<\/p>\n<p>EventLoop\u6a21\u5757\u4e0e\u7ebf\u7a0b\u662f\u2014\u2014\u5bf9\u5e94\u7684\u3002<\/p>\n<p>EventLoop\u6a21\u5757\u5b9e\u4f8b\u5316\u7684\u5bf9\u8c61&#xff0c;\u5728\u6784\u9020\u7684\u65f6\u5019\u5c31\u4f1a\u521d\u59cb\u5316_thread_id, \u800c\u540e\u8fb9\u5f53\u8fd0\u884c\u4e00\u4e2a\u8fde\u63a5\u64cd\u4f5c\u7684\u65f6\u5019\u5224\u65ad\u5f53\u524d\u662f\u5426\u8fd0\u884c\u5728\u8fde\u63a5\u81ea\u5df1\u7684\u6240\u5728EventLoop\u6a21\u5757\u5bf9\u5e94\u7684\u7ebf\u7a0b\u4e2d&#xff0c;\u5c31\u662f\u5c06\u7ebf\u7a0bID\u4e0eEventLoop\u6a21\u5757\u4e2d\u7684thread_id\u8fdb\u884c\u4e00\u4e2a\u6bd4\u8f83&#xff0c;\u76f8\u540c\u5c31\u8868\u793a\u5728\u540c\u4e00\u4e2a\u7ebf\u7a0b&#xff0c;\u4e0d\u540c\u5c31\u8868\u793a\u5f53\u524d\u8fd0\u884c\u7ebf\u7a0b\u5e76\u4e0d\u662f\u81ea\u5df1\u8fd9\u4e2a\u8fde\u63a5\u6240\u5728EventLoop\u7ebf\u7a0b\u3002<\/p>\n<p>\u4e0a\u9762\u7684\u542b\u4e49&#xff1a;EventLoop\u6a21\u5757\u5728\u5b9e\u4f8b\u5316\u5bf9\u8c61\u7684\u65f6\u5019&#xff0c;\u5fc5\u987b\u5728\u7ebf\u7a0b\u5185\u90e8<\/p>\n<p>EventLoop\u5b9e\u4f8b\u5316\u5bf9\u8c61\u65f6\u4f1a\u8bbe\u7f6e\u81ea\u5df1\u7684thread_id&#xff0c;\u5982\u679c\u6211\u4eec\u5148\u521b\u5efa\u4e86\u591a\u4e2aEventLoop\u5bf9\u8c61&#xff0c;\u7136\u540e\u521b\u5efa\u4e86\u591a\u4e2a\u7ebf\u7a0b&#xff0c;\u5c06\u5404\u4e2a\u7ebf\u7a0b\u7684id&#xff0c;\u91cd\u65b0\u7ed9EventLoop\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n<p>\u5b58\u5728\u95ee\u9898&#xff1a;\u5728\u6784\u9020EventLoop\u5bf9\u8c61&#xff0c;\u5230\u8bbe\u7f6e\u65b0\u7684thread_id\u671f\u95f4\u5c06\u662f\u4e0d\u53ef\u63a7\u7684\u3002\u56e0\u6b64\u6211\u4eec\u5fc5\u987b\u5148\u521b\u5efa\u7ebf\u7a0b&#xff0c;\u7136\u540e\u5728\u7ebf\u7a0b\u7684\u5165\u53e3\u51fd\u6570\u4e2d&#xff0c;\u53bb\u5b9e\u4f8b\u5316EventLoop\u5bf9\u8c61<\/p>\n<p>\u9020\u4e00\u4e2a\u65b0\u7684\u6a21\u5757&#xff1a;LoopThread \u8fd9\u4e2a\u6a21\u5757\u7684\u529f\u80fd&#xff1a;\u5c06EventLoop\u4e0ethread\u6574\u5408\u5230\u4e00\u8d77<\/p>\n<p>\u601d\u60f3&#xff1a;<\/p>\n<li>\u521b\u5efa\u7ebf\u7a0b<\/li>\n<li>\u5728\u7ebf\u7a0b\u4e2d\u5b9e\u4f8b\u5316EventLoop\u5bf9\u8c61<\/li>\n<p>\u529f\u80fd&#xff1a;\u53ef\u4ee5\u5411\u5916\u90e8\u8fd4\u56de\u6240\u5b9e\u4f8b\u5316\u7684EventLoop<\/p>\n<p><span class=\"token comment\">\/\/\u4e00\u4e2aEventLoop\u4e00\u4e2a\u7ebf\u7a0b,\u5c06EventLoop\u548c\u7ebf\u7a0b\u6574\u5408\u5728\u4e00\u8d77<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LoopThread<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token comment\">\/\/\u4e92\u65a5\u9501&#043;\u6761\u4ef6\u53d8\u91cf,\u7528\u4e8e\u5b9e\u73b0_loop\u83b7\u53d6\u7684\u540c\u6b65\u5173\u7cfb,\u907f\u514d\u7ebf\u7a0b\u521b\u5efa\u4e86,\u4f46\u662f_loop\u8fd8\u6ca1\u6709\u5b9e\u4f8b\u5316\u4e4b\u524d\u53bb\u83b7\u53d6_loop<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>mutex _mutex<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u4e92\u65a5\u9501<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>condition_variable _cond<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u6761\u4ef6\u53d8\u91cf<\/span><br \/>\n        EventLoop<span class=\"token operator\">*<\/span> _loop<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/EventLoop\u6307\u9488\u53d8\u91cf,\u8fd9\u4e2a\u5bf9\u8c61\u9700\u8981\u5728\u7ebf\u7a0b\u5185\u90e8\u5b9e\u4f8b\u5316<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>thread _thread<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/EventLoop\u5bf9\u5e94\u7684\u7ebf\u7a0b<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5b9e\u4f8b\u5316EventLoop\u5bf9\u8c61,\u5524\u9192_cond\u6709\u53ef\u80fd\u963b\u585e\u7684\u7ebf\u7a0b,\u5e76\u4e14\u5f00\u59cb\u8fd0\u884cEventLoop\u6a21\u5757\u7684\u529f\u80fd<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">ThreadEntry<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u7531LoopThread\u7ba1\u7406\u8fd9\u4e2a\u53d8\u91cf\u7684\u751f\u547d\u5468\u671f<\/span><br \/>\n            EventLoop loop<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token operator\">::<\/span>unique_lock<span class=\"token operator\">&lt;<\/span>std<span class=\"token operator\">::<\/span>mutex<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">_mtx<\/span><span class=\"token punctuation\">(<\/span>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                _loop <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">&amp;<\/span>loop<span class=\"token punctuation\">;<\/span><br \/>\n                _cond<span class=\"token punctuation\">.<\/span><span class=\"token function\">notify_all<\/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            loop<span class=\"token punctuation\">.<\/span><span class=\"token function\">Statr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token comment\">\/\/\u521b\u5efa\u7ebf\u7a0b,\u8bbe\u5b9a\u7ebf\u7a0b\u5165\u53e3\u51fd\u6570<\/span><br \/>\n        <span class=\"token function\">LoopThread<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span><span class=\"token function\">_loop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><span class=\"token function\">_thread<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">thread<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>LoopThread<span class=\"token operator\">::<\/span>ThreadEntry<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u8fd4\u56de\u5f53\u524d\u7ebf\u7a0b\u5173\u8054\u7684EventLoop\u5bf9\u8c61\u7684\u6307\u9488,\u5f97\u5230EventLoop\u6307\u9488\u76f8\u5bf9\u4e8e\u627e\u5230\u8fd9\u4e2a\u7ebf\u7a0b,\u628a\u8fde\u63a5\u7ed1\u5b9a\u5230\u5bf9\u5e94EventLoop\u7ebf\u7a0b\u4e2d<\/span><br \/>\n        EventLoop<span class=\"token operator\">*<\/span> <span class=\"token function\">GetLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            EventLoop<span class=\"token operator\">*<\/span> loop <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token operator\">::<\/span>unique_lock<span class=\"token operator\">&lt;<\/span>std<span class=\"token operator\">::<\/span>mutex<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">_mtx<\/span><span class=\"token punctuation\">(<\/span>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                _cond<span class=\"token punctuation\">.<\/span><span class=\"token function\">wait<\/span><span class=\"token punctuation\">(<\/span>_mtx<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> _loop <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/_loop\u4e3anullptr\u5c31\u4e00\u76f4\u963b\u585e<\/span><br \/>\n                loop <span class=\"token operator\">&#061;<\/span> _loop<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> loop<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h3>5.2 EventLoop\u7ebf\u7a0b\u6c60<\/h3>\n<p>\u9488\u5bf9LoopThread\u8bbe\u8ba1\u4e00\u4e2a\u7ebf\u7a0b\u6c60:<\/p>\n<p>LoopThreadPool\u6a21\u5757&#xff1a;\u5bf9\u6240\u6709\u7684LoopThread\u8fdb\u884c\u7ba1\u7406\u53ca\u5206\u914d<\/p>\n<p>\u529f\u80fd&#xff1a;<\/p>\n<li>\u7ebf\u7a0b\u6570\u91cf\u53ef\u914d\u7f6e&#xff08;0\u4e2a\u6216\u591a\u4e2a&#xff09; \u6ce8\u610f\u4e8b\u9879&#xff1a;\u5728\u670d\u52a1\u5668\u4e2d&#xff0c;\u4e3b\u4eceReactor\u6a21\u578b\u662f\u4e3b\u7ebf\u7a0b\u53ea\u8d1f\u8d23\u65b0\u8fde\u63a5\u83b7\u53d6&#xff0c;\u4ece\u5c5e\u7ebf\u7a0b\u8d1f\u8d23\u65b0\u8fde\u63a5\u7684\u4e8b\u4ef6\u76d1\u63a7\u53ca\u5904\u7406 \u56e0\u6b64\u5f53\u524d\u7684\u7ebf\u7a0b\u6c60&#xff0c;\u6709\u53ef\u80fd\u4ece\u5c5e\u7ebf\u7a0b\u4f1a\u6570\u91cf\u4e3a0&#xff0c;\u4e5f\u5c31\u662f\u5b9e\u73b0\u5355Reactor\u670d\u52a1\u5668&#xff0c;\u4e00\u4e2a\u7ebf\u7a0b\u53ca\u8d1f\u8d23\u83b7\u53d6\u8fde\u63a5&#xff0c;\u4e5f\u8d1f\u8d23\u8fde\u63a5\u7684\u5904\u7406<\/li>\n<li>\u5bf9\u6240\u6709\u7684\u7ebf\u7a0b\u8fdb\u884c\u7ba1\u7406&#xff0c;\u5176\u5b9e\u5c31\u662f\u7ba1\u74060\u4e2a\u6216\u591a\u4e2aLoopThread\u5bf9\u8c61<\/li>\n<li>\u63d0\u4f9b\u7ebf\u7a0b\u5206\u914d\u7684\u529f\u80fd \u5f53\u4e3b\u7ebf\u7a0b\u83b7\u53d6\u4e86\u4e00\u4e2a\u65b0\u8fde\u63a5&#xff0c;\u9700\u8981\u5c06\u65b0\u8fde\u63a5\u6302\u5230\u4ece\u5c5e\u7ebf\u7a0b\u4e0a\u8fdb\u884c\u4e8b\u4ef6\u76d1\u63a7\u53ca\u5904\u7406 \u5047\u8bbe\u67090\u4e2a\u4ece\u5c5e\u7ebf\u7a0b&#xff0c;\u5219\u76f4\u63a5\u5206\u914d\u7ed9\u4e3b\u7ebf\u7a0b\u7684EventLoop&#xff0c;\u8fdb\u884c\u5904\u7406 \u5047\u8bbe\u6709\u591a\u4e2a\u4ece\u5c5e\u7ebf\u7a0b&#xff0c;\u5219\u91c7\u7528RR\u8f6e\u8f6c\u601d\u60f3&#xff0c;\u8fdb\u884c\u7ebf\u7a0b\u7684\u5206\u914d&#xff08;\u5c06\u5bf9\u5e94\u7ebf\u7a0b\u7684EventLoop\u83b7\u53d6\u5230&#xff0c;\u8bbe\u7f6e\u7ed9\u5bf9\u5e94\u7684Connection&#xff09;<\/li>\n<p><span class=\"token comment\">\/\/\u9488\u5bf9LoopThread\u505a\u4e00\u4e2a\u7ebf\u7a0b\u6c60<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LoopThreadPoll<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> _thread_count<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u4ece\u5c5e\u7ebf\u7a0b\u7684\u6570\u91cf<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> _next_loop_idx<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u7ed9\u8fde\u63a5\u5206\u914d\u90a3\u4e2aEventLoop<\/span><br \/>\n        EventLoop<span class=\"token operator\">*<\/span> _base_loop<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u4e3bEventLoop,\u8fd0\u884c\u5728\u4e3b\u7ebf\u7a0b,\u4ece\u5c5eEventLoop\u7ebf\u7a0b\u6570\u91cf\u4e3a0,\u5219\u6240\u6709\u64cd\u4f5c\u90fd\u5728\u4e3bEventLoop\u4e2d\u8fdb\u884c<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>LoopThread<span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> _threads<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u4fdd\u5b58\u6240\u6709LoopThread\u5bf9\u8c61<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>EventLoop<span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> _loops<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u4ece\u5c5eEventLoop\u7ebf\u7a0b\u6570\u91cf\u5927\u4e8e0\u5219\u4ece_loops\u8fdb\u884c\u7ebf\u7a0bEventLoop\u5206\u914d<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">LoopThreadPoll<\/span><span class=\"token punctuation\">(<\/span>EventLoop<span class=\"token operator\">*<\/span> loop<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span><span class=\"token function\">_thread_count<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><span class=\"token function\">_next_loop_idx<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><span class=\"token function\">_base_loop<\/span><span class=\"token punctuation\">(<\/span>loop<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u8bbe\u7f6e\u4ece\u5c5eEventLoop\u7ebf\u7a0b\u6570\u91cf<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetThreadCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> count<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n            _thread_count <span class=\"token operator\">&#061;<\/span> count<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u521b\u5efa\u4ece\u5c5e\u7ebf\u7a0b<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">Create<\/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>_thread_count <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                _threads<span class=\"token punctuation\">.<\/span><span class=\"token function\">resize<\/span><span class=\"token punctuation\">(<\/span>_thread_count<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                _loops<span class=\"token punctuation\">.<\/span><span class=\"token function\">resize<\/span><span class=\"token punctuation\">(<\/span>_thread_count<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> _thread_count<span class=\"token punctuation\">;<\/span> <span class=\"token operator\">&#043;&#043;<\/span>i<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    _threads<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">LoopThread<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    _loops<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> _threads<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u83b7\u53d6\u4ece\u5c5e\u7ebf\u7a0bEvetnLoop\u6307\u9488<\/span><br \/>\n        EventLoop<span class=\"token operator\">*<\/span> <span class=\"token function\">NextLoop<\/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>_thread_count <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> _base_loop<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token comment\">\/\/RR\u8f6e\u8f6c<\/span><br \/>\n            _next_loop_idx <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>_next_loop_idx <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> _thread_count<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> _loops<span class=\"token punctuation\">[<\/span>_next_loop_idx<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h2>6. Connection\u6a21\u5757<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418082834-68020d321270c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> Connection\u6a21\u5757:<\/p>\n<p>\u76ee\u7684&#xff1a;\u5bf9\u8fde\u63a5\u8fdb\u884c\u5168\u65b9\u4f4d\u7684\u7ba1\u7406&#xff0c;\u5bf9\u901a\u4fe1\u8fde\u63a5\u7684\u6240\u6709\u64cd\u4f5c\u90fd\u662f\u901a\u8fc7\u8fd9\u4e2a\u6a21\u5757\u63d0\u4f9b\u7684\u529f\u80fd\u5b8c\u6210\u3002<\/p>\n<p>\u7ba1\u7406&#xff1a;<\/p>\n<li>\u5957\u63a5\u5b57\u7684\u7ba1\u7406&#xff0c;\u80fd\u591f\u8fdb\u884c\u5957\u63a5\u5b57\u7684\u64cd\u4f5c<\/li>\n<li>\u8fde\u63a5\u4e8b\u4ef6\u7684\u7ba1\u7406&#xff0c;\u53ef\u8bfb&#xff0c;\u53ef\u5199&#xff0c;\u9519\u8bef&#xff0c;\u6302\u65ad&#xff0c;\u4efb\u610f<\/li>\n<li>\u7f13\u51b2\u533a\u7684\u7ba1\u7406&#xff0c;\u4fbf\u4e8esocket\u6570\u636e\u7684\u63a5\u6536\u548c\u53d1\u9001<\/li>\n<li>\u534f\u8bae\u4e0a\u4e0b\u6587\u7684\u7ba1\u7406&#xff0c;\u8bb0\u5f55\u8bf7\u6c42\u6570\u636e\u7684\u5904\u7406\u8fc7\u7a0b<\/li>\n<li>\u56de\u8c03\u51fd\u6570\u7684\u7ba1\u7406 a. \u56e0\u4e3a\u8fde\u63a5\u63a5\u6536\u5230\u6570\u636e\u4e4b\u540e\u8be5\u5982\u4f55\u5904\u7406&#xff0c;\u9700\u8981\u7531\u7528\u6237\u51b3\u5b9a&#xff0c;\u56e0\u6b64\u5fc5\u987b\u6709\u4e1a\u52a1\u5904\u7406\u56de\u8c03\u51fd\u6570 b. \u4e00\u4e2a\u8fde\u63a5\u5efa\u7acb\u6210\u529f\u540e&#xff0c;\u8be5\u5982\u4f55\u5904\u7406&#xff0c;\u7531\u7528\u6237\u51b3\u5b9a&#xff0c;\u56e0\u6b64\u5fc5\u987b\u6709\u8fde\u63a5\u5efa\u7acb\u6210\u529f\u7684\u56de\u8c03\u51fd\u6570 c. \u4e00\u4e2a\u8fde\u63a5\u5173\u95ed\u524d&#xff0c;\u8be5\u5982\u4f55\u5904\u7406&#xff0c;\u7531\u7528\u6237\u51b3\u5b9a&#xff0c;\u56e0\u6b64\u5fc5\u987b\u7531\u5173\u95ed\u8fde\u63a5\u56de\u8c03\u51fd\u6570\u3002 d. \u4efb\u610f\u4e8b\u4ef6\u7684\u4ea7\u751f&#xff0c;\u6709\u6ca1\u6709\u67d0\u4e9b\u5904\u7406&#xff0c;\u7531\u7528\u6237\u51b3\u5b9a&#xff0c;\u56e0\u6b64\u5fc5\u987b\u6709\u4efb\u610f\u4e8b\u4ef6\u7684\u56de\u8c03\u51fd\u6570<\/li>\n<p>\u529f\u80fd:<\/p>\n<li>\u53d1\u9001\u6570\u636e\u2014\u7ed9\u7528\u6237\u63d0\u4f9b\u7684\u53d1\u9001\u6570\u636e\u63a5\u53e3&#xff0c;\u5e76\u4e0d\u662f\u771f\u6b63\u7684\u53d1\u9001\u63a5\u53e3&#xff0c;\u800c\u53ea\u662f\u628a\u6570\u636e\u653e\u5230\u53d1\u9001\u7f13\u51b2\u533a&#xff0c;\u7136\u540e\u542f\u52a8\u5199\u4e8b\u4ef6\u76d1\u63a7<\/li>\n<li>\u5173\u95ed\u8fde\u63a5\u2014\u7ed9\u7528\u6237\u63d0\u4f9b\u7684\u5173\u95ed\u8fde\u63a5\u63a5\u53e3&#xff0c;\u5e94\u8be5\u5728\u5b9e\u9645\u91ca\u653e\u8fde\u63a5\u4e4b\u524d&#xff0c;\u770b\u770b\u8f93\u5165\u8f93\u51fa\u7f13\u51b2\u533a\u662f\u5426\u6709\u6570\u636e\u5f85\u5904\u7406<\/li>\n<li>\u542f\u52a8\u975e\u6d3b\u8dc3\u8fde\u63a5\u7684\u8d85\u65f6\u9500\u6bc1\u529f\u80fd<\/li>\n<li>\u53d6\u6d88\u975e\u6d3b\u8dc3\u8fde\u63a5\u7684\u8d85\u65f6\u9500\u6bc1\u529f\u80fd<\/li>\n<li>\u534f\u8bae\u5207\u6362\u2014\u4e00\u4e2a\u8fde\u63a5\u63a5\u6536\u6570\u636e\u540e\u5982\u4f55\u8fdb\u884c\u4e1a\u52a1\u5904\u7406&#xff0c;\u53d6\u51b3\u4e8e\u4e0a\u4e0b\u6587&#xff0c;\u4ee5\u53ca\u6570\u636e\u7684\u4e1a\u52a1\u5904\u7406\u56de\u8c03\u51fd\u6570<\/li>\n<p><span class=\"token comment\">\/\/ \u901a\u7528\u7c7b\u578bAny<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Any<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">holder<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">virtual<\/span> <span class=\"token operator\">~<\/span><span class=\"token function\">holder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">virtual<\/span> <span class=\"token keyword\">const<\/span> std<span class=\"token operator\">::<\/span>type_info <span class=\"token operator\">&amp;<\/span><span class=\"token function\">type<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">virtual<\/span> holder <span class=\"token operator\">*<\/span><span class=\"token function\">clone<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/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\">template<\/span> <span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">T<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">placeholder<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">holder<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">placeholder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> T <span class=\"token operator\">&amp;<\/span>val<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">_val<\/span><span class=\"token punctuation\">(<\/span>val<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u83b7\u53d6\u5b50\u7c7b\u5bf9\u8c61\u4fdd\u5b58\u7684\u6570\u636e\u7c7b\u578b<\/span><br \/>\n        <span class=\"token keyword\">virtual<\/span> <span class=\"token keyword\">const<\/span> std<span class=\"token operator\">::<\/span>type_info <span class=\"token operator\">&amp;<\/span><span class=\"token function\">type<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">typeid<\/span><span class=\"token punctuation\">(<\/span>T<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u9488\u5bf9\u5f53\u524d\u7684\u5bf9\u8c61\u81ea\u8eab&#xff0c;\u514b\u9686\u51fa\u4e00\u4e2a\u65b0\u7684\u5b50\u7c7b\u5bf9\u8c61<\/span><br \/>\n        <span class=\"token keyword\">virtual<\/span> holder <span class=\"token operator\">*<\/span><span class=\"token function\">clone<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">placeholder<\/span><span class=\"token punctuation\">(<\/span>_val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        T _val<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    holder <span class=\"token operator\">*<\/span>_content<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\">Any<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">_content<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">Any<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">delete<\/span> _content<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">template<\/span> <span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">T<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token function\">Any<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> T <span class=\"token operator\">&amp;<\/span>val<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _content <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> placeholder<span class=\"token operator\">&lt;<\/span>T<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span>val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token function\">Any<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Any <span class=\"token operator\">&amp;<\/span>other<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _content <span class=\"token operator\">&#061;<\/span> _content <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">nullptr<\/span> <span class=\"token operator\">?<\/span> other<span class=\"token punctuation\">.<\/span>_content<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">clone<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8fd4\u56de\u5b50\u7c7b\u5bf9\u8c61\u4fdd\u5b58\u7684\u6570\u636e\u7684\u6307\u9488<\/span><br \/>\n    <span class=\"token keyword\">template<\/span> <span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">T<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n    T <span class=\"token operator\">*<\/span><span class=\"token function\">Get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">typeid<\/span><span class=\"token punctuation\">(<\/span>T<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> _content<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">type<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u7236\u7c7b\u6307\u9488\u6307\u5411\u5b50\u7c7b\u4e2d\u5c5e\u4e8e\u7236\u7c7b\u7684,\u627e\u4e0d\u5230\u5b50\u7c7b\u4e2d\u6210\u5458,\u56e0\u6b64\u9700\u8981\u8f6c\u6210\u5b50\u7c7b\u6307\u9488<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>placeholder<span class=\"token operator\">&lt;<\/span>T<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>_content<span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span>_val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    Any <span class=\"token operator\">&amp;<\/span><span class=\"token function\">swap<\/span><span class=\"token punctuation\">(<\/span>Any <span class=\"token operator\">&amp;<\/span>other<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token operator\">::<\/span><span class=\"token function\">swap<\/span><span class=\"token punctuation\">(<\/span>_content<span class=\"token punctuation\">,<\/span> other<span class=\"token punctuation\">.<\/span>_content<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">*<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8d4b\u503c\u8fd0\u7b97\u7b26\u7684\u91cd\u8f7d\u51fd\u6570<\/span><br \/>\n    <span class=\"token keyword\">template<\/span> <span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">T<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n    Any <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> T <span class=\"token operator\">&amp;<\/span>val<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Any<\/span><span class=\"token punctuation\">(<\/span>val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">swap<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">*<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    Any <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> Any <span class=\"token operator\">&amp;<\/span>other<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Any<\/span><span class=\"token punctuation\">(<\/span>other<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">swap<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">*<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Connection<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ DISCONNECTED \u8fde\u63a5\u5173\u95ed\u72b6\u6001  CCONNECTING \u8fde\u63a5\u5efa\u7acb\u6210\u529f\u6210\u529f,\u5f85\u5904\u7406\u72b6\u6001<\/span><br \/>\n<span class=\"token comment\">\/\/ CONNECTED \u8fde\u63a5\u5efa\u7acb\u5b8c\u6210,\u5404\u79cd\u8bbe\u7f6e\u5df2\u5b8c\u6210,\u53ef\u4ee5\u901a\u4fe1\u72b6\u6001     DISCONNECTING \u8fde\u63a5\u5f85\u5173\u95ed\u72b6\u6001<\/span><br \/>\n<span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">enum<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    DISCONNECTED<span class=\"token punctuation\">,<\/span><br \/>\n    CONNECTING<span class=\"token punctuation\">,<\/span><br \/>\n    CONNECTED<span class=\"token punctuation\">,<\/span><br \/>\n    DISCONNECTING<br \/>\n<span class=\"token punctuation\">}<\/span> ConStatus<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/\u4f7f\u7528shared_ptr\u7ba1\u7406\u6bcf\u4e2aConnection\u5bf9\u8c61&#xff0c;\u9632\u6b62\u7528\u6237\u628aConnection\u5728\u67d0\u4e2a\u5730\u65b9\u5220\u9664<\/span><br \/>\n<span class=\"token comment\">\/\/\u6700\u7ec8\u5bfc\u81f4\u7a0b\u5e8f\u5954\u6e83\u9000\u51fa<\/span><br \/>\n<span class=\"token keyword\">using<\/span> PtrConnection <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Connection<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/enable_shared_from_this&lt;Connection&gt;\u91cc\u9762\u4fdd\u5b58\u4e86\u4e00\u4e2aweak_ptr,\u53ef\u4ee5\u4eceweak_ptr\u5f97\u5230\u4e00\u4e2ashared_ptr<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Connection<\/span><span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> std<span class=\"token operator\">::<\/span><span class=\"token class-name\">enable_shared_from_this<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">Connection<\/span><span class=\"token operator\">&gt;<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">uint64_t<\/span> _conn_id<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8fde\u63a5\u552f\u4e00ID,\u4fbf\u4e8e\u8fde\u63a5\u7684\u7ba1\u7406\u548c\u67e5\u627e<\/span><br \/>\n    <span class=\"token comment\">\/\/ uint64_t _timer_fd; \/\/ \u5b9a\u65f6\u5668ID,\u5fc5\u987b\u662f\u552f\u4e00,\u8fd9\u5757\u4e3a\u4e86\u7b80\u5316\u64cd\u4f5c\u4f7f\u7528_conn_id\u4f5c\u4e3a\u5b9a\u65f6\u5668id<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _sockfd<span class=\"token punctuation\">;<\/span>                   <span class=\"token comment\">\/\/ \u8fde\u63a5\u5173\u8054\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> _enable_inactive_release<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8fde\u63a5\u662f\u5426\u542f\u52a8\u975e\u6d3b\u8dc3\u9500\u6bc1\u7684\u5224\u65ad\u6807\u5fd7,\u9ed8\u8ba4\u4e3afalse<\/span><br \/>\n    EventLoop <span class=\"token operator\">*<\/span>_loop<span class=\"token punctuation\">;<\/span>              <span class=\"token comment\">\/\/ \u8fde\u63a5\u6240\u5173\u8054\u7684\u4e00\u4e2aEventLoop<\/span><br \/>\n    ConStatus _status<span class=\"token punctuation\">;<\/span>             <span class=\"token comment\">\/\/ \u8fde\u63a5\u72b6\u6001<\/span><br \/>\n    Socket _socket<span class=\"token punctuation\">;<\/span>                <span class=\"token comment\">\/\/ \u5957\u63a5\u5b57\u7ba1\u7406<\/span><br \/>\n    Channel _channel<span class=\"token punctuation\">;<\/span>              <span class=\"token comment\">\/\/ \u8fde\u63a5\u4e8b\u4ef6\u7ba1\u7406<\/span><br \/>\n    Buffer _in_buffer<span class=\"token punctuation\">;<\/span>             <span class=\"token comment\">\/\/ \u8f93\u5165\u7f13\u5b58\u533a,\u5b58\u653e\u4ecesocket\u4e2d\u8bfb\u53d6\u5230\u7684\u6570\u636e<\/span><br \/>\n    Buffer _out_buffer<span class=\"token punctuation\">;<\/span>            <span class=\"token comment\">\/\/ \u8f93\u51fa\u7f13\u5b58\u533a,\u5b58\u653e\u7ecf\u8fc7\u4e1a\u52a1\u5904\u7406\u8981\u7ed9\u5bf9\u7aef\u53d1\u51fa\u7684\u6570\u636e<\/span><br \/>\n    Any _context<span class=\"token punctuation\">;<\/span>                  <span class=\"token comment\">\/\/ \u8bf7\u6c42\u63a5\u6536\u5904\u7406\u4e0a\u4e0b\u6587<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8fd9\u56db\u4e2a\u56de\u8c03\u51fd\u6570&#xff0c;\u662f\u8ba9\u670d\u52a1\u5668\u6a21\u5757\u6765\u8bbe\u7f6e\u7684(\u5176\u5b9e\u670d\u52a1\u5668\u6a21\u5757\u7684\u5904\u7406\u56de\u8c03\u4e5f\u662f\u7ec4\u4ef6\u4f7f\u7528\u8005\u8bbe\u7f6e\u7684)<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6362\u53e5\u8bdd\u8bf4&#xff0c;\u8fd9\u2f0f\u4e2a\u56de\u8c03\u90fd\u662f\u7ec4\u4ef6\u4f7f\u7528\u8005\u4f7f\u7528\u7684<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u8fde\u63a5\u5efa\u7acb\u56de\u8c03<\/span><br \/>\n    <span class=\"token keyword\">using<\/span> ConnectedCallback <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> PtrConnection <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/\u63a5\u6536\u5230\u6570\u636e\u56de\u8c03<\/span><br \/>\n    <span class=\"token keyword\">using<\/span> MessageCallback <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> PtrConnection <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">,<\/span> Buffer <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/\u5173\u95ed\u8fde\u63a5\u56de\u8c03<\/span><br \/>\n    <span class=\"token keyword\">using<\/span> ClosedCallback <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> PtrConnection <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/\u4efb\u610f\u4e8b\u4ef6\u56de\u8c03<\/span><br \/>\n    <span class=\"token keyword\">using<\/span> AnyeEventCallback <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> PtrConnection <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    ConnectedCallback _connected_callback<span class=\"token punctuation\">;<\/span><br \/>\n    MessageCallback _message_callback<span class=\"token punctuation\">;<\/span><br \/>\n    ClosedCallback _closed_callback<span class=\"token punctuation\">;<\/span><br \/>\n    AnyeEventCallback _event_callback<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u7ec4\u4ef6\u5185\u7684\u8fde\u63a5\u5173\u95ed\u56de\u8c03&#8211;\u7ec4\u4ef6\u5185\u8bbe\u7f6e\u7684&#xff0c;\u56e0\u4e3a\u670d\u52a1\u5668\u7ec4\u4ef6\u5185\u4e5f\u4f1a\u628a\u6240\u6709\u7684\u8fde\u63a5\u7ba1\u7406\u8d77\u6765&#xff0c;\u2f00\u65e6\u67d0\u4e2a\u8fde\u63a5\u8981\u5173\u95ed<\/span><br \/>\n    <span class=\"token comment\">\/\/\u5c31\u5e94\u8be5\u4ece\u7ba1\u7406\u7684\u5730\u2f45\u79fb\u9664\u6389\u81ea\u5df1\u7684\u4fe1\u606f<\/span><br \/>\n    ClosedCallback _server_closed_callback<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/\u4e94\u4e2achannel\u7684\u4e8b\u4ef6\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    <span class=\"token comment\">\/\/\u63cf\u8ff0\u7b26\u53ef\u8bfb\u4e8b\u4ef6\u89e6\u53d1\u540e\u8c03\u2f64\u7684\u51fd\u6570&#xff0c;\u63a5\u6536socket\u6570\u636e\u653e\u5230\u63a5\u6536\u7f13\u51b2\u533a\u4e2d&#xff0c;\u7136\u540e\u8c03\u2f64_message_callback\u8fdb\u884c\u4e1a\u52a1\u5904\u7406<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/1.\u63a5\u6536socket\u7f13\u5b58\u533a\u6570\u636e,\u653e\u5230\u7f13\u5b58\u533a<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">65535<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        ssize_t ret <span class=\"token operator\">&#061;<\/span> _socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">NonBlockRecv<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">,<\/span><span class=\"token number\">65535<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u51fa\u9519,\u4e0d\u80fd\u76f4\u63a5\u5173\u95ed\u8fde\u63a5<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token function\">ShutdownInLoop<\/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\">\/\/\u8fd9\u91cc\u7684ret\u7b49\u4e8e0\u8868\u793a\u7684\u662f\u6ca1\u6709\u8bfb\u53d6\u5230\u6570\u636e&#xff0c;\u2f7d\u5e76\u4e0d\u662f\u8fde\u63a5\u65ad\u5f00\u4e86&#xff0c;\u8fde\u63a5\u65ad\u5f00\u8fd4\u56de\u7684\u662f-1<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5c06\u6570\u636e\u653e\u2f0a\u8f93\u2f0a\u7f13\u51b2\u533a,\u5199\u2f0a\u4e4b\u540e\u987a\u4fbf\u5c06\u5199\u504f\u79fb\u5411\u540e\u79fb\u52a8<\/span><br \/>\n        _in_buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteAndPush<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">,<\/span>ret<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/2.\u8c03\u7528_message_callback\u8fdb\u884c\u4e1a\u52a1\u5904\u7406<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_in_buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">ReadAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <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 keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_message_callback<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/shared_from_this&#8211;\u4ece\u5f53\u524d\u5bf9\u8c61\u81ea\u8eab\u83b7\u53d6\u81ea\u8eab\u7684shared_ptr\u7ba1\u7406\u5bf9\u8c61<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token function\">_message_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>_in_buffer<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 punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/\u63cf\u8ff0\u7b26\u53ef\u5199\u4e8b\u4ef6\u51fa\u53d1\u540e\u8c03\u7528\u7684\u51fd\u6570,\u5c06\u53d1\u9001\u7f13\u5b58\u533a\u4e2d\u6570\u636e\u8fdb\u884c\u53d1\u9001<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleWrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/_out_buffer\u4e2d\u4fdd\u5b58\u7684\u662f\u5f85\u53d1\u9001\u7684\u6570\u636e<\/span><br \/>\n        ssize_t ret <span class=\"token operator\">&#061;<\/span> _socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">NonBlockSend<\/span><span class=\"token punctuation\">(<\/span>_out_buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">ReadPosition<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>_out_buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">ReadAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&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 comment\">\/\/\u53d1\u9001\u9519\u8bef\u5173\u95ed\u8fde\u63a5,\u5982\u679c\u63a5\u6536\u7f13\u5b58\u533a\u8fd8\u6709\u6570\u636e\u5148\u5904\u7406\u4e00\u4e0b<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_in_buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">ReadAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <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 keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_message_callback<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token comment\">\/\/shared_from_this&#8211;\u4ece\u5f53\u524d\u5bf9\u8c61\u81ea\u8eab\u83b7\u53d6\u81ea\u8eab\u7684shared_ptr\u7ba1\u7406\u5bf9\u8c61<\/span><br \/>\n                    <span class=\"token function\">_message_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>_in_buffer<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 comment\">\/\/\u8fd9\u65f6\u5019\u5c31\u662f\u5b9e\u9645\u7684\u5173\u95ed\u91ca\u653e\u64cd\u4f5c\u4e86<\/span><br \/>\n            <span class=\"token comment\">\/\/\u5148\u628a\u91ca\u653e\u8fde\u63a5\u4efb\u52a1\u538b\u5230\u4efb\u52a1\u961f\u5217\u4e2d,\u7b49\u6240\u6709\u5c31\u7eea\u4e8b\u4ef6\u5904\u7406\u540e,\u5728\u5904\u7406\u4efb\u52a1\u961f\u5217\u4e2d\u91ca\u653e\u8fde\u63a5\u4efb\u52a1<\/span><br \/>\n            <span class=\"token comment\">\/\/return ReleaseInLoop();<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token function\">Release<\/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\">\/\/\u5343\u4e07\u4e0d\u8981\u5fd8\u4e86&#xff0c;\u5c06\u8bfb\u504f\u79fb\u5411\u540e\u79fb\u52a8<\/span><br \/>\n        _out_buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">MoveReadOffset<\/span><span class=\"token punctuation\">(<\/span>ret<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_out_buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">ReadAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <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            _channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">DisableWrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/ \u6ca1\u6709\u6570\u636e\u5f85\u53d1\u9001\u4e86&#xff0c;\u5173\u95ed\u5199\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_status <span class=\"token operator\">&#061;&#061;<\/span> DISCONNECTING<span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u5982\u679c\u5f53\u524d\u662f\u8fde\u63a5\u5f85\u5173\u95ed\u72b6\u6001&#xff0c;\u8fd8\u6709\u6570\u636e&#xff0c;\u53d1\u9001\u5b8c\u6570\u636e\u91ca\u653e\u8fde\u63a5&#xff0c;\u6ca1\u6709\u6570\u636e\u5219\u76f4\u63a5\u91ca\u653e<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/\u5148\u628a\u91ca\u653e\u8fde\u63a5\u4efb\u52a1\u538b\u5230\u4efb\u52a1\u961f\u5217\u4e2d,\u7b49\u6240\u6709\u5c31\u7eea\u4e8b\u4ef6\u5904\u7406\u540e,\u5728\u5904\u7406\u4efb\u52a1\u961f\u5217\u4e2d\u91ca\u653e\u8fde\u63a5\u4efb\u52a1<\/span><br \/>\n                <span class=\"token comment\">\/\/return ReleaseInLoop();<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token function\">Release<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/\u63cf\u8ff0\u7b26\u89e6\u53d1\u6302\u65ad\u4e8b\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleClose<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u2f00\u65e6\u8fde\u63a5\u6302\u65ad\u4e86&#xff0c;\u5957\u63a5\u5b57\u5c31\u4ec0\u4e48\u90fd\u2f32\u4e0d\u4e86\u4e86&#xff0c;\u56e0\u6b64\u6709\u6570\u636e\u5f85\u5904\u7406\u5c31\u5904\u7406\u2f00\u4e0b&#xff0c;\u5b8c\u6bd5\u5173\u95ed\u8fde\u63a5<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_in_buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">ReadAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <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 keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_message_callback<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/shared_from_this&#8211;\u4ece\u5f53\u524d\u5bf9\u8c61\u2f83\u2f9d\u83b7\u53d6\u2f83\u2f9d\u7684shared_ptr\u7ba1\u7406\u5bf9\u8c61<\/span><br \/>\n                <span class=\"token function\">_message_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>_in_buffer<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 comment\">\/\/\u8fd9\u65f6\u5019\u5c31\u662f\u5b9e\u9645\u7684\u5173\u95ed\u91ca\u653e\u64cd\u4f5c\u4e86<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5148\u628a\u91ca\u653e\u8fde\u63a5\u4efb\u52a1\u538b\u5230\u4efb\u52a1\u961f\u5217\u4e2d,\u7b49\u6240\u6709\u5c31\u7eea\u4e8b\u4ef6\u5904\u7406\u540e,\u5728\u5904\u7406\u4efb\u52a1\u961f\u5217\u4e2d\u91ca\u653e\u8fde\u63a5\u4efb\u52a1<\/span><br \/>\n        <span class=\"token comment\">\/\/return ReleaseInLoop();<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">Release<\/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\">\/\/\u63cf\u8ff0\u7b26\u89e6\u53d1\u51fa\u9519\u4e8b\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleError<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">HandleClose<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u63cf\u8ff0\u7b26\u89e6\u53d1\u4efb\u610f\u4e8b\u4ef6: 1. \u5237\u65b0\u8fde\u63a5\u7684\u6d3b\u8dc3\u5ea6&#8211;\u5ef6\u8fdf\u5b9a\u65f6\u9500\u6bc1\u4efb\u52a1&#xff1b; 2. \u8c03\u2f64\u7ec4\u4ef6\u4f7f\u7528\u8005\u7684\u4efb\u610f\u4e8b\u4ef6\u56de\u8c03<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_enable_inactive_release <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">TimerRefresh<\/span><span class=\"token punctuation\">(<\/span>_conn_id<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>_event_callback<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">_event_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u8fde\u63a5\u83b7\u53d6\u540e,\u6240\u5904\u7684\u72b6\u6001\u4e0b\u8981\u8fdb\u884c\u5404\u79cd\u8bbe\u7f6e(\u542f\u52a8\u8bfb\u4e8b\u4ef6\u76d1\u63a7,\u8c03\u7528\u8fde\u63a5\u5efa\u7acb\u9636\u6bb5\u56de\u8c03\u51fd\u6570)<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">EstablishedInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ 1. \u4fee\u6539\u8fde\u63a5\u72b6\u6001<\/span><br \/>\n        <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>_status <span class=\"token operator\">&#061;&#061;<\/span> CONNECTING<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5f53\u524d\u7684\u72b6\u6001\u5fc5\u987b\u2f00\u5b9a\u662f\u4e0a\u5c42\u7684\u534a\u8fde\u63a5\u72b6\u6001<\/span><br \/>\n        _status <span class=\"token operator\">&#061;<\/span> CONNECTED<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5f53\u524d\u51fd\u6570\u6267\u2f8f\u5b8c\u6bd5&#xff0c;\u5219\u8fde\u63a5\u8fdb\u2f0a\u5df2\u5b8c\u6210\u8fde\u63a5\u72b6\u6001<\/span><br \/>\n        <span class=\"token comment\">\/\/ 2. \u542f\u52a8\u8bfb\u4e8b\u4ef6\u76d1\u63a7 <\/span><br \/>\n        _channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">EnableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/ \u2f00\u65e6\u542f\u52a8\u8bfb\u4e8b\u4ef6\u76d1\u63a7\u5c31\u6709\u53ef\u80fd\u4f1a\u2f74\u5373\u89e6\u53d1\u8bfb\u4e8b\u4ef6&#xff0c;\u5982\u679c\u8fd9\u65f6\u5019\u542f\u52a8\u4e86\u2fae\u6d3b\u8dc3\u8fde\u63a5\u9500\u6bc1<\/span><br \/>\n        <span class=\"token comment\">\/\/3. \u8c03\u7528\u7ec4\u4ef6\u8c03\u7528\u8005\u8bbe\u7f6e\u7684\u8fde\u63a5\u5efa\u7acb\u9636\u6bb5\u7684\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_connected_callback<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n           <span class=\"token function\">_connected_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u8fd9\u4e2a\u63a5\u53e3\u624d\u662f\u5b9e\u9645\u7684\u91ca\u653e\u63a5\u53e3<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">ReleaseInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/1. \u4fee\u6539\u8fde\u63a5\u72b6\u6001&#xff0c;\u5c06\u5176\u7f6e\u4e3aDISCONNECTED<\/span><br \/>\n        _status <span class=\"token operator\">&#061;&#061;<\/span> DISCONNECTED<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/2. \u79fb\u9664\u8fde\u63a5\u7684\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n        _channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">Remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/3. \u5173\u95ed\u63cf\u8ff0\u7b26<\/span><br \/>\n        _socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/4. \u5982\u679c\u5f53\u524d\u5b9a\u65f6\u5668\u961f\u5217\u4e2d\u8fd8\u6709\u5b9a\u65f6\u9500\u6bc1\u4efb\u52a1&#xff0c;\u5219\u53d6\u6d88\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">HasTimer<\/span><span class=\"token punctuation\">(<\/span>_conn_id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">CancelInactiveReleaseInLoop<\/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\">\/\/5. \u8c03\u7528\u5173\u95ed\u56de\u8c03\u51fd\u6570&#xff0c;\u907f\u514d\u5148\u79fb\u9664\u670d\u52a1\u5668\u7ba1\u7406\u7684\u8fde\u63a5\u4fe1\u606f\u5bfc\u81f4Connection\u88ab\u91ca\u653e&#xff0c;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u518d\u53bb\u5904\u7406\u4f1a\u51fa\u9519&#xff0c;\u56e0\u6b64\u5148\u8c03\u7528\u7528\u6237\u7684\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_closed_callback<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">_closed_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u79fb\u9664\u670d\u52a1\u5668\u5185\u90e8\u7ba1\u7406\u7684\u8fde\u63a5\u4fe1\u606f<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_server_closed_callback<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">_server_closed_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/\u8fd9\u4e2a\u63a5\u2f1d\u5e76\u4e0d\u662f\u5b9e\u9645\u7684\u53d1\u9001\u63a5\u2f1d&#xff0c;\u2f7d\u53ea\u662f\u628a\u6570\u636e\u653e\u5230\u4e86\u53d1\u9001\u7f13\u51b2\u533a&#xff0c;\u542f\u52a8\u4e86\u53ef\u5199\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SendInLoop<\/span><span class=\"token punctuation\">(<\/span>Buffer<span class=\"token operator\">&amp;<\/span> buf<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>_status <span class=\"token operator\">&#061;&#061;<\/span> DISCONNECTED<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _out_buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteBufferAndPush<\/span><span class=\"token punctuation\">(<\/span>buf<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteAble<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">EnableWrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/\u8fd9\u4e2a\u5173\u95ed\u64cd\u4f5c\u5e76\u2fae\u5b9e\u9645\u7684\u8fde\u63a5\u91ca\u653e\u64cd\u4f5c&#xff0c;\u9700\u8981\u5224\u65ad\u8fd8\u6709\u6ca1\u6709\u6570\u636e\u5f85\u5904\u7406&#xff0c;\u5f85\u53d1\u9001<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">ShutdownInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u8fde\u63a5\u4e3a\u534a\u5173\u95ed\u72b6\u6001<\/span><br \/>\n        _status <span class=\"token operator\">&#061;<\/span> DISCONNECTING<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_in_buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">ReadAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <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 keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_message_callback<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">_message_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>_in_buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/\u8981\u4e48\u5c31\u662f\u5199\u2f0a\u6570\u636e\u7684\u65f6\u5019\u51fa\u9519\u5173\u95ed,\u8981\u4e48\u5c31\u662f\u6ca1\u6709\u5f85\u53d1\u9001\u6570\u636e,\u76f4\u63a5\u5173\u95ed<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_out_buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">ReadAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <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 keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteAble<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                _channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">EnableWrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_out_buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">ReadAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <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 comment\">\/\/ReleaseInLoop();<\/span><br \/>\n            <span class=\"token function\">Release<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/\u542f\u52a8\u2fae\u6d3b\u8dc3\u8fde\u63a5\u8d85\u65f6\u91ca\u653e\u89c4\u5219<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">EnableInactiveReleaseInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sec<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/1. \u5c06\u5224\u65ad\u6807\u5fd7 _enable_inactive_release \u7f6e\u4e3atrue<\/span><br \/>\n        _enable_inactive_release <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/2. \u5982\u679c\u5f53\u524d\u5b9a\u65f6\u9500\u6bc1\u4efb\u52a1\u5df2\u7ecf\u5b58\u5728&#xff0c;\u90a3\u5c31\u5237\u65b0\u5ef6\u8fdf\u2f00\u4e0b\u5373\u53ef<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">HasTimer<\/span><span class=\"token punctuation\">(<\/span>_conn_id<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> _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">TimerRefresh<\/span><span class=\"token punctuation\">(<\/span>_conn_id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/3. \u5982\u679c\u4e0d\u5b58\u5728\u5b9a\u65f6\u9500\u6bc1\u4efb\u52a1&#xff0c;\u5219\u65b0\u589e<\/span><\/p>\n<p>        <span class=\"token comment\">\/* \u4e1a\u52a1\u5904\u7406\u8d85\u65f6&#xff0c;\u67e5\u770b\u670d\u52a1\u5668\u7684\u5904\u7406\u60c5\u51b5<br \/>\n        \u5f53\u670d\u52a1\u5668\u8fbe\u5230\u4e86\u4e00\u4e2a\u6027\u80fd\u74f6\u9888&#xff0c;\u5728\u4e00\u6b21\u4e1a\u52a1\u5904\u7406\u4e2d\u82b1\u8d39\u4e86\u592a\u957f\u7684\u65f6\u95f4&#xff08;\u8d85\u8fc7\u4e86\u670d\u52a1\u5668\u8bbe\u7f6e\u7684\u975e\u6d3b\u8dc3\u8d85\u65f6\u65f6\u95f4&#xff09;<br \/>\n        1. \u5728\u4e00\u6b21\u4e1a\u52a1\u5904\u7406\u4e2d\u8017\u8d39\u592a\u957f\u65f6\u95f4&#xff0c;\u5bfc\u81f4\u5176\u4ed6\u7684\u8fde\u63a5\u4e5f\u88ab\u8fde\u7d2f\u8d85\u65f6&#xff0c;\u5176\u4ed6\u7684\u8fde\u63a5\u6709\u53ef\u80fd\u4f1a\u88ab\u62d6\u7d2f\u8d85\u65f6\u91ca\u653e<br \/>\n        \u5047\u8bbe\u73b0\u5728  12345\u63cf\u8ff0\u7b26\u5c31\u7eea\u4e86&#xff0c; \u5728\u5904\u74061\u7684\u65f6\u5019\u82b1\u8d39\u4e8630s\u5904\u7406\u5b8c&#xff0c;\u8d85\u65f6\u4e86&#xff0c;\u5bfc\u81f42345\u63cf\u8ff0\u7b26\u56e0\u4e3a\u957f\u65f6\u95f4\u6ca1\u6709\u5237\u65b0\u6d3b\u8dc3\u5ea6<br \/>\n            1. \u5982\u679c\u63a5\u4e0b\u6765\u76842345\u63cf\u8ff0\u7b26\u90fd\u662f\u901a\u4fe1\u8fde\u63a5\u63cf\u8ff0\u7b26&#xff0c;\u5982\u679c\u90fd\u5c31\u7eea\u4e86&#xff0c;\u5219\u5e76\u4e0d\u5f71\u54cd&#xff0c;\u56e0\u4e3a\u63a5\u4e0b\u6765\u5c31\u4f1a\u8fdb\u884c\u5904\u7406\u5e76\u5237\u65b0\u6d3b\u8dc3\u5ea6<br \/>\n            2. \u5982\u679c\u63a5\u4e0b\u6765\u76842\u53f7\u63cf\u8ff0\u7b26\u662f\u5b9a\u65f6\u5668\u4e8b\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u5b9a\u65f6\u5668\u89e6\u53d1\u8d85\u65f6&#xff0c;\u6267\u884c\u5b9a\u65f6\u4efb\u52a1&#xff0c;\u5c31\u4f1a\u5c06345\u63cf\u8ff0\u7b26\u7ed9\u91ca\u653e\u6389<br \/>\n            \u8fd9\u65f6\u5019\u4e00\u65e6345\u63cf\u8ff0\u7b26\u5bf9\u5e94\u7684\u8fde\u63a5\u88ab\u91ca\u653e&#xff0c;\u63a5\u4e0b\u6765\u5728\u5904\u7406345\u4e8b\u4ef6\u7684\u65f6\u5019\u5c31\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83&#xff08;\u5185\u5b58\u8bbf\u95ee\u9519\u8bef&#xff09;<br \/>\n            \u56e0\u6b64\u8fd9\u65f6\u5019&#xff0c;\u5728\u672c\u6b21\u4e8b\u4ef6\u5904\u7406\u4e2d&#xff0c;\u5e76\u4e0d\u80fd\u76f4\u63a5\u5bf9\u8fde\u63a5\u8fdb\u884c\u91ca\u653e&#xff0c;\u800c\u5e94\u8be5\u5c06\u91ca\u653e\u64cd\u4f5c\u538b\u5165\u5230\u4efb\u52a1\u961f\u5217\u4e2d&#xff0c;<br \/>\n            \u7b49\u5230\u4e8b\u4ef6\u5904\u7406\u5b8c\u4e86\u6267\u884c\u4efb\u52a1\u6c60\u4e2d\u7684\u4efb\u52a1\u7684\u65f6\u5019&#xff0c;\u518d\u53bb\u91ca\u653e*\/<\/span><br \/>\n        <span class=\"token comment\">\/\/_loop-&gt;TimerAdd(_conn_id,sec,std::bind(&amp;Connection::ReleaseInLoop,this));<\/span><\/p>\n<p>        _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">TimerAdd<\/span><span class=\"token punctuation\">(<\/span>_conn_id<span class=\"token punctuation\">,<\/span>sec<span class=\"token punctuation\">,<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>Connection<span class=\"token operator\">::<\/span>Release<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">CancelInactiveReleaseInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _enable_inactive_release <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">HasTimer<\/span><span class=\"token punctuation\">(<\/span>_conn_id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">TimerCancel<\/span><span class=\"token punctuation\">(<\/span>_conn_id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">UpgradeInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Any<span class=\"token operator\">&amp;<\/span> context<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">const<\/span> ConnectedCallback<span class=\"token operator\">&amp;<\/span> conn<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">const<\/span> MessageCallback<span class=\"token operator\">&amp;<\/span> msg<span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> ClosedCallback<span class=\"token operator\">&amp;<\/span> closed<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">const<\/span> AnyeEventCallback<span class=\"token operator\">&amp;<\/span> event<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _context <span class=\"token operator\">&#061;<\/span> context<span class=\"token punctuation\">;<\/span><br \/>\n        _connected_callback <span class=\"token operator\">&#061;<\/span> conn<span class=\"token punctuation\">;<\/span><br \/>\n        _message_callback <span class=\"token operator\">&#061;<\/span> msg<span class=\"token punctuation\">;<\/span><br \/>\n        _closed_callback <span class=\"token operator\">&#061;<\/span> closed<span class=\"token punctuation\">;<\/span><br \/>\n        _event_callback <span class=\"token operator\">&#061;<\/span> event<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">Connection<\/span><span class=\"token punctuation\">(<\/span>EventLoop<span class=\"token operator\">*<\/span> loop<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">uint64_t<\/span> conn_id<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">int<\/span> sockfd<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span><span class=\"token function\">_loop<\/span><span class=\"token punctuation\">(<\/span>loop<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_conn_id<\/span><span class=\"token punctuation\">(<\/span>conn_id<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_sockfd<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_enable_inactive_release<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_status<\/span><span class=\"token punctuation\">(<\/span>CONNECTING<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_socket<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_channel<\/span><span class=\"token punctuation\">(<\/span>_loop<span class=\"token punctuation\">,<\/span>_sockfd<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetReadCallback<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>Connection<span class=\"token operator\">::<\/span>HandleRead<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetWriteCallback<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>Connection<span class=\"token operator\">::<\/span>HandleWrite<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetErrorCallback<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>Connection<span class=\"token operator\">::<\/span>HandleError<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetCloseCallback<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>Connection<span class=\"token operator\">::<\/span>HandleClose<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetEventCallback<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>Connection<span class=\"token operator\">::<\/span>HandleEvent<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">Connection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">LOG_DEBUG<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;RELEASE CONNECTION:%p&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/\u83b7\u5f97\u7ba1\u7406\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26<\/span><br \/>\n    <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><br \/>\n    <span class=\"token comment\">\/\/\u83b7\u53d6\u8fde\u63a5ID<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> <span class=\"token function\">Id<\/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> _conn_id<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/\u5f53\u524d\u662f\u5426\u5904\u4e8eCONNECTED\u72b6\u6001<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">Connected<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span>_status <span class=\"token operator\">&#061;&#061;<\/span> CONNECTED<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/\u8bbe\u7f6e\u4e0a\u4e0b\u6587&#8211;\u8fde\u63a5\u5efa\u7acb\u5b8c\u6210\u65f6\u8fdb\u884c\u8c03\u7528<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetContent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Any<span class=\"token operator\">&amp;<\/span> context<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _context <span class=\"token operator\">&#061;<\/span> context<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/\u83b7\u53d6\u4e0a\u4e0b\u6587<\/span><br \/>\n    Any<span class=\"token operator\">*<\/span> <span class=\"token function\">GetContent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&amp;<\/span>_context<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetConnectedCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> ConnectedCallback<span class=\"token operator\">&amp;<\/span> cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _connected_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetMessageCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> MessageCallback<span class=\"token operator\">&amp;<\/span> cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _message_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetClosedCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> ClosedCallback<span class=\"token operator\">&amp;<\/span> cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _closed_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetAnyeEventCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> AnyeEventCallback<span class=\"token operator\">&amp;<\/span> cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _event_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetSevClosedCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> ClosedCallback<span class=\"token operator\">&amp;<\/span> cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _server_closed_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u591a\u7ebf\u7a0b\u6267\u884c,\u6d89\u53ca\u5230\u7ebf\u7a0b\u5b89\u5168\u7684\u95ee\u9898,\u6211\u4eec\u90fd\u653e\u5728EventLoop\u7ebf\u7a0b\u4e0b\u7684\u4efb\u52a1\u961f\u5217\u4e2d\u6267\u884c<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u8fde\u63a5\u5efa\u7acb\u5c31\u7eea\u540e,\u542f\u52a8\u8bfb\u76d1\u63a7,\u8c03\u7528_connected_callback<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Established<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>Connection<span class=\"token operator\">::<\/span>EstablishedInLoop<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/\u53d1\u9001\u6570\u636e,\u5b9e\u9645\u662f\u5c06\u6570\u636e\u653e\u5230\u53d1\u9001\u7f13\u5b58\u533a,\u542f\u52a8\u5199\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> data<span class=\"token punctuation\">,<\/span>size_t len<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5916\u754c\u4f20\u2f0a\u7684data&#xff0c;\u53ef\u80fd\u662f\u4e2a\u4e34\u65f6\u7684\u7a7a\u95f4&#xff0c;\u6211\u4eec\u73b0\u5728\u53ea\u662f\u628a\u53d1\u9001\u64cd\u4f5c\u538b\u2f0a\u4e86\u4efb\u52a1\u6c60&#xff0c;\u6709\u53ef\u80fd\u5e76\u6ca1\u6709\u88ab\u2f74\u5373\u6267\u2f8f<\/span><br \/>\n        <span class=\"token comment\">\/\/\u56e0\u6b64\u6709\u53ef\u80fd\u6267\u2f8f\u7684\u65f6\u5019&#xff0c;data\u6307\u5411\u7684\u7a7a\u95f4\u6709\u53ef\u80fd\u5df2\u7ecf\u88ab\u91ca\u653e\u4e86<\/span><br \/>\n        Buffer buf<span class=\"token punctuation\">;<\/span><br \/>\n        buf<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteAndPush<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">,<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/std::move(buf))\u662f\u5c06\u53f3\u503c\u53c2\u6570(\u5982 std::move(buf))\u4f1a\u88ab\u79fb\u52a8\u6784\u9020\u5230 std::bind \u5185\u90e8\u200c&#xff0c;\u751f\u6210\u4e00\u4e2a \u200c\u72ec\u7acb\u5b58\u50a8\u7684 Buffer \u5bf9\u8c61\u200c\u3002<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5f53\u5f02\u6b65\u4efb\u52a1\u6267\u884c\u65f6&#xff0c;std::bind \u4f1a\u5c06\u5b58\u50a8\u7684 Buffer \u5bf9\u8c61\u4ee5 &#034;\u200c\u5de6\u503c\u200c&#034; \u5f62\u5f0f\u4f20\u9012\u7ed9 SendInLoop<\/span><br \/>\n        <span class=\"token comment\">\/\/\u6240\u4ee5void SendInLoop(Buffer&amp; buf),Buffer\u5e94\u4e3a\u5de6\u503c\u5f15\u7528<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5e76\u4e14\u8fd9\u91ccstd::move(buf))\u60f3\u8981\u51cf\u5c11\u4e00\u6b21\u62f7\u8d1d,\u51cf\u5c11\u7684\u662f\u5c06buf\u62f7\u8d1d\u5230bind\u5185\u90e8\u751f\u6210Buffer\u5bf9\u8c61\u8fd9\u6b21\u62f7\u8d1d<\/span><br \/>\n        _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>Connection<span class=\"token operator\">::<\/span>SendInLoop<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">move<\/span><span class=\"token punctuation\">(<\/span>buf<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\">\/\/\u63d0\u4f9b\u7ed9\u7ec4\u4ef6\u4f7f\u7528\u8005\u7684\u5173\u95ed\u7a97\u53e3,\u5e76\u4e0d\u662f\u771f\u5b9e\u5173\u95ed,\u9700\u8981\u5224\u65ad\u8f93\u5165\u8f93\u51fa\u6709\u6ca1\u6709\u6570\u636e\u5f85\u5904\u7406<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Shutdown<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>Connection<span class=\"token operator\">::<\/span>ShutdownInLoop<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Release<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5b9a\u65f6\u8d85\u65f6\u91ca\u653e\u8fde\u63a5\u7684\u4efb\u52a1,\u538b\u5230\u4efb\u52a1\u961f\u5217\u4e2d<\/span><br \/>\n        <span class=\"token comment\">\/\/\u751a\u81f3\u53ef\u4ee5\u6240\u6709\u7684\u91ca\u653e\u8fde\u63a5\u7684\u5730\u65b9\u90fd\u5148\u5148\u628a\u4efb\u52a1\u538b\u5230\u4efb\u52a1\u961f\u5217\u4e2d,\u7b49\u6240\u6709\u5c31\u7eea\u4e8b\u4ef6\u5904\u7406\u81ea\u540e\u518d\u53bb\u5904\u7406\u4efb\u52a1\u961f\u5217\u4e2d\u7684\u4efb\u52a1<\/span><br \/>\n        <span class=\"token comment\">\/\/\u8fd9\u6837\u53ef\u4ee5\u628aChannel\u7c7b\u4e2dHandleEvent\u4e2d\u6539\u6539,\u4e0d\u7528\u6bcf\u4e2a\u4e8b\u4ef6\u6267\u884c\u4e4b\u524d\u90fd\u5148\u53bb\u6267\u884c\u4efb\u610f\u4e8b\u4ef6\u7684\u56de\u8c03,\u800c\u662f\u6700\u540e\u5728\u6267\u884c\u4efb\u610f\u4e8b\u4ef6\u56de\u8c03<\/span><br \/>\n        <span class=\"token comment\">\/\/\u8fd9\u6837\u66f4\u7b26\u5408\u903b\u8f91,\u5f53\u4e8b\u4ef6\u5c31\u7eea\u5904\u7406\u81ea\u540e\u5728\u5237\u65b0\u6d3b\u8dc3\u5ea6,\u5982\u679c\u8d85\u65f6\u5728\u91ca\u653e<\/span><br \/>\n        <span class=\"token comment\">\/\/\u73b0\u5728\u4e0d\u4f1a\u5728\u5904\u7406\u5c31\u7eea\u4e8b\u4ef6\u7684\u65f6\u5019\u53bb\u91ca\u653e\u8fde\u63a5\u4e86,\u6240\u6709\u4e0d\u7528\u62c5\u5fc3\u56e0\u4e3a\u91ca\u653e\u8fde\u63a5\u9500\u6bc1Connection\u5bf9\u8c61\u800c\u5bfc\u81f4\u8c03\u7528\u4efb\u610f\u4e8b\u4ef6\u56de\u8c03\u800c\u5bfc\u81f4\u7a0b\u5e8f\u5954\u6e83\u4e86<\/span><br \/>\n        _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">QueueInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>Connection<span class=\"token operator\">::<\/span>ReleaseInLoop<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/\u542f\u52a8\u975e\u6d3b\u8dc3\u6d88\u8d39,\u5e76\u5b9a\u4e49\u591a\u957f\u65f6\u95f4\u4e94\u901a\u4fe1\u5c31\u662f\u975e\u6d3b\u8dc3,\u6dfb\u52a0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">EnableInactiveRelease<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sec<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>Connection<span class=\"token operator\">::<\/span>EnableInactiveReleaseInLoop<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span>sec<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\">\/\/\u53d6\u6d88\u975e\u6d3b\u8dc3\u9500\u6bc1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">CancelInactiveRelease<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>Connection<span class=\"token operator\">::<\/span>CancelInactiveReleaseInLoop<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u5207\u6362\u534f\u8bae&#8212;\u91cd\u7f6e\u4e0a\u4e0b\u2f42\u4ee5\u53ca\u9636\u6bb5\u6027\u56de\u8c03\u5904\u7406\u51fd\u6570 &#8212; \u2f7d\u662f\u8fd9\u4e2a\u63a5\u2f1d\u5fc5\u987b\u5728EventLoop\u7ebf\u7a0b\u4e2d\u2f74\u5373\u6267\u2f8f<\/span><br \/>\n    <span class=\"token comment\">\/\/\u9632\u5907\u65b0\u7684\u4e8b\u4ef6\u89e6\u53d1\u540e&#xff0c;\u5904\u7406\u7684\u65f6\u5019&#xff0c;\u5207\u6362\u4efb\u52a1\u8fd8\u6ca1\u6709\u88ab\u6267\u2f8f&#8211;\u4f1a\u5bfc\u81f4\u6570\u636e\u4f7f\u2f64\u539f\u534f\u8bae\u5904\u7406\u4e86\u3002<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Upgrade<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Any<span class=\"token operator\">&amp;<\/span> content<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">const<\/span> ConnectedCallback<span class=\"token operator\">&amp;<\/span> conn<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">const<\/span> MessageCallback<span class=\"token operator\">&amp;<\/span> msg<span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token keyword\">const<\/span> ClosedCallback<span class=\"token operator\">&amp;<\/span> closed<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">const<\/span> AnyeEventCallback<span class=\"token operator\">&amp;<\/span> event<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">AssertInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>Connection<span class=\"token operator\">::<\/span>UpgradeInLoop<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span>content<span class=\"token punctuation\">,<\/span>conn<span class=\"token punctuation\">,<\/span>msg<span class=\"token punctuation\">,<\/span>closed<span class=\"token punctuation\">,<\/span>event<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h2>7. Acceptor\u6a21\u5757<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418082834-68020d32a1bcc.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>Acceptor\u6a21\u5757&#xff1a;\u5bf9\u76d1\u542c\u5957\u63a5\u5b57\u8fdb\u884c\u7ba1\u7406<\/p>\n<li>\u521b\u5efa\u4e00\u4e2a\u76d1\u542c\u5957\u63a5\u5b57<\/li>\n<li>\u542f\u52a8\u8bfb\u4e8b\u4ef6\u76d1\u63a7<\/li>\n<li>\u4e8b\u4ef6\u89e6\u53d1\u540e&#xff0c;\u83b7\u53d6\u65b0\u8fde\u63a5<\/li>\n<li>\u8c03\u7528\u65b0\u8fde\u63a5\u83b7\u53d6\u6210\u529f\u540e\u7684\u56de\u8c03\u51fd\u6570<\/li>\n<li>\u4e3a\u65b0\u8fde\u63a5\u521b\u5efaConnection\u8fdb\u884c\u7ba1\u7406&#xff08;\u8fd9\u4e00\u6b65\u4e0d\u662fAcceptor\u6a21\u5757\u64cd\u4f5c&#xff0c;\u5e94\u8be5\u662f\u670d\u52a1\u5668\u6a21\u5757&#xff09; \u56e0\u4e3aAcceptor\u6a21\u5757\u53ea\u8fdb\u884c\u76d1\u542c\u8fde\u63a5\u7684\u7ba1\u7406&#xff0c;\u56e0\u6b64\u83b7\u53d6\u5230\u65b0\u8fde\u63a5\u7684\u63cf\u8ff0\u7b26\u4e4b\u540e&#xff0c;\u5bf9\u4e8e\u65b0\u8fde\u63a5\u63cf\u8ff0\u7b26\u5982\u4f55\u5904\u7406\u5176\u5b9e\u5e76\u4e0d\u5173\u5fc3<\/li>\n<p>\u5bf9\u4e8e\u65b0\u8fde\u63a5\u5982\u4f55\u5904\u7406&#xff0c;\u5e94\u8be5\u662f\u670d\u52a1\u5668\u6a21\u5757\u6765\u7ba1\u7406\u7684 \u670d\u52a1\u5668\u6a21\u5757&#xff0c;\u5b9e\u73b0\u4e86\u4e00\u4e2a\u5bf9\u4e8e\u65b0\u8fde\u63a5\u63cf\u8ff0\u7b26\u5904\u7406\u7684\u51fd\u6570&#xff0c;\u5c06\u8fd9\u4e2a\u51fd\u6570\u8bbe\u7f6e\u7ed9Acceptor\u6a21\u5757\u4e2d\u7684\u56de\u8c03\u51fd\u6570<\/p>\n<p><span class=\"token comment\">\/\/Acceptor\u6a21\u5757,\u5bf9\u76d1\u542c\u5957\u63a5\u5b57\u8fdb\u884c\u7ba1\u7406<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Acceptor<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        EventLoop<span class=\"token operator\">*<\/span> _loop<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5bf9\u76d1\u542c\u5957\u63a5\u5b57\u8fdb\u884c\u76d1\u63a7<\/span><br \/>\n        Socket _socket<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u521b\u5efa\u76d1\u542c\u5957\u63a5\u5b57<\/span><br \/>\n        Channel _channel<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5bf9\u76d1\u542c\u5957\u63a5\u5b57\u8fdb\u884c\u4e8b\u4ef6\u7ba1\u7406<\/span><\/p>\n<p>        <span class=\"token keyword\">using<\/span> AcceptCallback <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        AcceptCallback _accept_callback<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token comment\">\/\/\u76d1\u542c\u5957\u63a5\u5b57\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u56de\u8c03\u51fd\u6570 &#8212; \u83b7\u53d6\u65b0\u8fde\u63a5,\u8c03\u7528_accept_callback\u51fd\u6570\u8fdb\u884c\u65b0\u8fde\u63a5\u5904\u7406<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleRead<\/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> newfd <span class=\"token operator\">&#061;<\/span> _socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">Accpet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>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 keyword\">return<\/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>_accept_callback<span class=\"token punctuation\">)<\/span> <span class=\"token function\">_accept_callback<\/span><span class=\"token punctuation\">(<\/span>newfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">int<\/span> <span class=\"token function\">CreateServer<\/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\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> _socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">CreateServer<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> _socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">Fd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">Acceptor<\/span><span class=\"token punctuation\">(<\/span>EventLoop<span class=\"token operator\">*<\/span> loop<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">uint16_t<\/span> port<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span><span class=\"token function\">_loop<\/span><span class=\"token punctuation\">(<\/span>loop<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><span class=\"token function\">_socket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">CreateServer<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><span class=\"token function\">_channel<\/span><span class=\"token punctuation\">(<\/span>_loop<span class=\"token punctuation\">,<\/span>_socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">Fd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetReadCallback<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>Acceptor<span class=\"token operator\">::<\/span>HandleRead<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetAcceptCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> AcceptCallback<span class=\"token operator\">&amp;<\/span> cb<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _accept_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u4e0d\u80fd\u5c06\u542f\u52a8\u8bfb\u4e8b\u4ef6\u76d1\u63a7,\u653e\u5230\u6784\u9020\u51fd\u6570,\u5fc5\u987b\u8bbe\u7f6e\u5728\u56de\u8c03\u51fd\u6570\u540e,\u518d\u53bb\u542f\u52a8<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5426\u5219\u6709\u53ef\u80fd\u9020\u6210\u542f\u52a8\u76d1\u63a7\u4e4b\u540e,\u7acb\u523b\u5c31\u6709\u4e86\u4e8b\u4ef6,\u5904\u7406\u7684\u65f6\u5019,\u56de\u8c03\u51fd\u6570\u8fd8\u6ca1\u6709\u8bbe\u7f6e,\u65b0\u8fde\u63a5\u5f97\u4e0d\u5230\u5904\u7406,\u4e14\u8d44\u6e90\u6cc4\u6f0f<\/span><br \/>\n        <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            _channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">EnableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h2>8. TcpServer\u6a21\u5757<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418082834-68020d32dcb7c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> TcpServer\u6a21\u5757&#xff1a;\u5bf9\u6240\u6709\u6a21\u5757\u7684\u6574\u5408&#xff0c;\u901a\u8fc7TcpServer\u6a21\u5757\u5b9e\u4f8b\u5316\u7684\u5bf9\u8c61&#xff0c;\u53ef\u4ee5\u975e\u5e38\u7b80\u5355\u7684\u5b8c\u6210\u4e00\u4e2a\u670d\u52a1\u5668\u7684\u642d\u5efa<\/p>\n<p>\u7ba1\u7406:<\/p>\n<li>Acceptor\u5bf9\u8c61&#xff0c;\u521b\u5efa\u4e00\u4e2a\u76d1\u542c\u5957\u63a5\u5b57<\/li>\n<li>EventLoop\u5bf9\u8c61&#xff0c;baseloop\u5bf9\u8c61&#xff0c;\u5b9e\u73b0\u5bf9\u76d1\u542c\u5957\u63a5\u5b57\u7684\u4e8b\u4ef6\u76d1\u63a7<\/li>\n<li>std:unordered_map&lt;uint64_t, PtrConnection&gt;_conns,\u5b9e\u73b0\u5bf9\u6240\u6709\u65b0\u5efa\u8fde\u63a5\u7684\u7ba1\u7406<\/li>\n<li>LoopThreadPool\u5bf9\u8c61&#xff0c;\u521b\u5efaloop\u7ebf\u7a0b\u6c60&#xff0c;\u5bf9\u65b0\u5efa\u8fde\u63a5\u8fdb\u884c\u4e8b\u4ef6\u76d1\u63a7\u53ca\u5904\u7406<\/li>\n<p>\u529f\u80fd:<\/p>\n<li>\u8bbe\u7f6e\u4ece\u5c5e\u7ebf\u7a0b\u6c60\u6570\u91cf<\/li>\n<li>\u542f\u52a8\u670d\u52a1\u5668<\/li>\n<li>\u8bbe\u7f6e\u5404\u79cd\u56de\u8c03\u51fd\u6570&#xff08;\u8fde\u63a5\u5efa\u7acb\u5b8c\u6210&#xff0c;\u6d88\u606f&#xff0c;\u5173\u95ed&#xff0c;\u4efb\u610f&#xff09;&#xff0c;\u7528\u6237\u8bbe\u7f6e\u7ed9TcpServer&#xff0c;TcpServer\u8bbe\u7f6e\u7ed9\u83b7\u53d6\u7684\u65b0\u8fde\u63a5<\/li>\n<li>\u662f\u5426\u542f\u52a8\u975e\u6d3b\u8dc3\u8fde\u63a5\u8d85\u65f6\u9500\u6bc1\u529f\u80fd<\/li>\n<li>\u7ed9baseloop\u6dfb\u52a0\u5b9a\u65f6\u4efb\u52a1\u529f\u80fd(\u5982\u679c\u7528\u6237\u9700\u8981\u7684\u8bdd\u53ef\u4ee5\u8bbe\u7f6e)<\/li>\n<p>\u6d41\u7a0b&#xff1a;<\/p>\n<li>\u5728TcpServer\u4e2d\u5b9e\u4f8b\u5316\u4e00\u4e2aAcceptor\u5bf9\u8c61&#xff0c;\u4ee5\u53ca\u4e00\u4e2aEventLoop\u5bf9\u8c61(baseloop)<\/li>\n<li>\u5c06Acceptor\u6302\u5230baseloop\u4e0a\u8fdb\u884c\u4e8b\u4ef6\u76d1\u63a7<\/li>\n<li>\u4e00\u65e6Acceptor\u5bf9\u8c61\u5c31\u7eea\u4e86\u53ef\u8bfb\u4e8b\u4ef6&#xff0c;\u5219\u6267\u884c\u8bfb\u4e8b\u4ef6\u56de\u8c03\u51fd\u6570\u83b7\u53d6\u65b0\u5efa\u8fde\u63a5<\/li>\n<li>\u5bf9\u65b0\u8fde\u63a5&#xff0c;\u521b\u5efa\u4e00\u4e2aConnection\u8fdb\u884c\u7ba1\u7406<\/li>\n<li>\u5bf9\u8fde\u63a5\u5bf9\u5e94\u7684Connection\u8bbe\u7f6e\u529f\u80fd\u56de\u8c03&#xff08;\u8fde\u63a5\u5b8c\u6210\u56de\u8c03&#xff0c;\u6d88\u606f\u56de\u8c03&#xff0c;\u5173\u95ed\u56de\u8c03&#xff0c;\u4efb\u610f\u4e8b\u4ef6\u56de\u8c03&#xff09;<\/li>\n<li>\u542f\u52a8Connection\u7684\u975e\u6d3b\u8dc3\u8fde\u63a5\u7684\u8d85\u65f6\u9500\u6bc1\u89c4\u5219<\/li>\n<li>\u5c06\u65b0\u8fde\u63a5\u5bf9\u5e94\u7684Connection\u6302\u5230LoopThreadPool\u4e2d\u7684\u4ece\u5c5e\u7ebf\u7a0b\u5bf9\u5e94\u7684Eventloop\u4e2d\u8fdb\u884c\u4e8b\u4ef6\u76d1\u63a7<\/li>\n<li>\u4e00\u65e6Connection\u5bf9\u5e94\u7684\u8fde\u63a5\u5c31\u7eea\u4e86\u53ef\u8bfb\u4e8b\u4ef6&#xff0c;\u5219\u8fd9\u65f6\u5019\u6267\u884c\u8bfb\u4e8b\u4ef6\u56de\u8c03\u51fd\u6570&#xff0c;\u8bfb\u53d6\u6570\u636e&#xff0c;\u8bfb\u53d6\u5b8c\u6bd5\u540e\u8c03\u7528TcpServer\u8bbe\u7f6e\u7684\u6d88\u606f\u56de\u8c03<\/li>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TcpServer<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">uint64_t<\/span> _next_id<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u8fd9\u662f\u4e00\u4e2a\u81ea\u52a8\u589e\u957f\u7684\u8fde\u63a5ID<\/span><br \/>\n        <span class=\"token keyword\">uint16_t<\/span> _port<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u670d\u52a1\u5668\u7aef\u53e3<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> _timeout<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u8fd9\u662f\u975e\u6d3b\u8dc3\u8fde\u63a5\u7684\u7edf\u8ba1\u65f6\u95f4&#8212;\u591a\u957f\u65f6\u95f4\u65e0\u901a\u4fe1\u5c31\u662f\u975e\u6d3b\u8dc3\u8fde\u63a5<\/span><br \/>\n        <span class=\"token keyword\">bool<\/span> _enable_inactive_release<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u662f\u5426\u542f\u52a8\u4e86\u975e\u6d3b\u8dc3\u8fde\u63a5\u8d85\u65f6\u9500\u6bc1\u7684\u5224\u65ad\u6807\u5fd7<\/span><br \/>\n        EventLoop _baseloop<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u8fd9\u662f\u4e3b\u7ebf\u7a0b\u7684EventLoop\u5bf9\u8c61,\u8d1f\u8d23\u76d1\u542c\u4e8b\u4ef6\u7684\u5904\u7406<\/span><br \/>\n        Acceptor _acceptor<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u8fd9\u662f\u76d1\u542c\u5957\u63a5\u5b57\u7684\u7ba1\u7406\u5bf9\u8c61<\/span><br \/>\n        LoopThreadPoll _pool<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u8fd9\u662f\u4ece\u5c5eEventLoop\u7ebf\u7a0b\u6c60<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>unordered_map<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">uint64_t<\/span><span class=\"token punctuation\">,<\/span>PtrConnection<span class=\"token operator\">&gt;<\/span> _conns<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u4fdd\u5b58\u7ba1\u7406\u6240\u6709\u8fde\u63a5\u5bf9\u5e94\u7684shared_ptr\u5bf9\u8c61<\/span><\/p>\n<p>        <span class=\"token keyword\">using<\/span> Functor <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/\u8fde\u63a5\u5efa\u7acb\u56de\u8c03<\/span><br \/>\n        <span class=\"token keyword\">using<\/span> ConnectedCallback <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> PtrConnection <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u63a5\u6536\u5230\u6570\u636e\u56de\u8c03<\/span><br \/>\n        <span class=\"token keyword\">using<\/span> MessageCallback <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> PtrConnection <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">,<\/span> Buffer <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5173\u95ed\u8fde\u63a5\u56de\u8c03<\/span><br \/>\n        <span class=\"token keyword\">using<\/span> ClosedCallback <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> PtrConnection <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u4efb\u610f\u4e8b\u4ef6\u56de\u8c03<\/span><br \/>\n        <span class=\"token keyword\">using<\/span> AnyeEventCallback <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> PtrConnection <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        ConnectedCallback _connected_callback<span class=\"token punctuation\">;<\/span><br \/>\n        MessageCallback _message_callback<span class=\"token punctuation\">;<\/span><br \/>\n        ClosedCallback _closed_callback<span class=\"token punctuation\">;<\/span><br \/>\n        AnyeEventCallback _event_callback<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token comment\">\/\/\u4e3a\u65b0\u8fde\u63a5\u6784\u9020\u4e00\u4e2aConnection\u8fdb\u884c\u7ba1\u7406<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">NewConnection<\/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 function\">LOG_DEBUG<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;NEW CONNECTION&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _next_id<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            PtrConnection <span class=\"token function\">conn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">Connection<\/span><span class=\"token punctuation\">(<\/span>_pool<span class=\"token punctuation\">.<\/span><span class=\"token function\">NextLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>_next_id<span class=\"token punctuation\">,<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetConnectedCallback<\/span><span class=\"token punctuation\">(<\/span>_connected_callback<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetClosedCallback<\/span><span class=\"token punctuation\">(<\/span>_closed_callback<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetMessageCallback<\/span><span class=\"token punctuation\">(<\/span>_message_callback<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetAnyeEventCallback<\/span><span class=\"token punctuation\">(<\/span>_event_callback<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetSevClosedCallback<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TcpServer<span class=\"token operator\">::<\/span>RemoveConnection<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span>std<span class=\"token operator\">::<\/span>placeholders<span class=\"token operator\">::<\/span>_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_enable_inactive_release<span class=\"token punctuation\">)<\/span> conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">EnableInactiveRelease<\/span><span class=\"token punctuation\">(<\/span>_timeout<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u542f\u52a8\u975e\u6d3b\u8dc3\u9500\u6bc1<\/span><br \/>\n            conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Established<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5c31\u7eea\u521d\u59cb\u5316<\/span><br \/>\n            _conns<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span>_next_id<span class=\"token punctuation\">,<\/span>conn<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><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\">RemoveConnectionInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> PtrConnection<span class=\"token operator\">&amp;<\/span> conn<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/int id &#061; conn-&gt;Id();<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> _conns<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Id<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>it <span class=\"token operator\">!&#061;<\/span> _conns<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                _conns<span class=\"token punctuation\">.<\/span><span class=\"token function\">erase<\/span><span class=\"token punctuation\">(<\/span>it<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/\u7ed9Connection\u6a21\u5757\u7684_server_closed_callback\u8bbe\u7f6e\u4e00\u4e2a\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        <span class=\"token comment\">\/\/\u4ece\u7ba1\u7406Connection\u7684_conns\u4e2d\u79fb\u9664\u7ba1\u7406\u4fe1\u606f<\/span><br \/>\n        <span class=\"token comment\">\/\/\u8fd9\u91cc\u624d\u662f\u771f\u6b63\u91ca\u653eConnection\u7684\u5730\u65b9<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">RemoveConnection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> PtrConnection<span class=\"token operator\">&amp;<\/span> conn<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _baseloop<span class=\"token punctuation\">.<\/span><span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TcpServer<span class=\"token operator\">::<\/span>RemoveConnectionInLoop<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span>conn<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\">RunAfterInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Functor<span class=\"token operator\">&amp;<\/span> task<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> delay<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _next_id<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _baseloop<span class=\"token punctuation\">.<\/span><span class=\"token function\">TimerAdd<\/span><span class=\"token punctuation\">(<\/span>_next_id<span class=\"token punctuation\">,<\/span>delay<span class=\"token punctuation\">,<\/span>task<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint16_t<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span><span class=\"token function\">_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_next_id<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_timeout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_enable_inactive_release<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_acceptor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>_baseloop<span class=\"token punctuation\">,<\/span>_port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_pool<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>_baseloop<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _acceptor<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetAcceptCallback<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TcpServer<span class=\"token operator\">::<\/span>NewConnection<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span>std<span class=\"token operator\">::<\/span>placeholders<span class=\"token operator\">::<\/span>_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _acceptor<span class=\"token punctuation\">.<\/span><span class=\"token function\">Listen<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u8bbe\u7f6e\u4ece\u5c5eEventLoop\u7ebf\u7a0b\u6570\u91cf<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetThreadCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> count<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _pool<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetThreadCount<\/span><span class=\"token punctuation\">(<\/span>count<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetConnectedCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> ConnectedCallback<span class=\"token operator\">&amp;<\/span> cb<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _connected_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetMessageCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> MessageCallback<span class=\"token operator\">&amp;<\/span> cb<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _message_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetClosedCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> ClosedCallback<span class=\"token operator\">&amp;<\/span> cb<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _closed_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetAnyeEventCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> AnyeEventCallback<span class=\"token operator\">&amp;<\/span> cb<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _event_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u542f\u52a8\u975e\u6d3b\u8dc3\u5b9a\u65f6\u9500\u6bc1\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">EnableInactiveRelease<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> timeout<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _enable_inactive_release <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _timeout <span class=\"token operator\">&#061;<\/span> timeout<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u63d0\u4f9b\u7ed9\u4e3b\u7ebf\u7a0b\u6dfb\u52a0\u5b9a\u65f6\u4efb\u52a1\u7684\u63a5\u53e3,\u662f\u5426\u8c03\u7528\u7531\u7528\u6237\u51b3\u5b9a<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">RunAfter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Functor<span class=\"token operator\">&amp;<\/span> task<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> delay<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _baseloop<span class=\"token punctuation\">.<\/span><span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TcpServer<span class=\"token operator\">::<\/span>RunAfterInLoop<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span>task<span class=\"token punctuation\">,<\/span>delay<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\">\/\/\u542f\u52a8\u670d\u52a1\u5668<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u521b\u5efa\u4ece\u5c5eEventLoop\u7ebf\u7a0b\u6c60<\/span><br \/>\n            _pool<span class=\"token punctuation\">.<\/span><span class=\"token function\">Create<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/\u542f\u52a8\u76d1\u542c\u5957\u63a5\u5b57\u8bfb\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n            _baseloop<span class=\"token punctuation\">.<\/span><span class=\"token function\">Statr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token 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