{"id":62047,"date":"2026-01-19T08:18:10","date_gmt":"2026-01-19T00:18:10","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/62047.html"},"modified":"2026-01-19T08:18:10","modified_gmt":"2026-01-19T00:18:10","slug":"c%e9%9b%86%e7%be%a4%e8%81%8a%e5%a4%a9%e6%9c%8d%e5%8a%a1%e5%99%a8%ef%bc%881%ef%bc%89-muduo%e7%bd%91%e7%bb%9c%e5%ba%93%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%bc%96%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/62047.html","title":{"rendered":"C++\u96c6\u7fa4\u804a\u5929\u670d\u52a1\u5668\uff081\uff09\u2014\u2014 muduo\u7f51\u7edc\u5e93\u670d\u52a1\u5668\u7f16\u7a0b"},"content":{"rendered":"<p>\u5173\u4e8eC&#043;&#043;\u96c6\u7fa4\u804a\u5929\u670d\u52a1\u5668&#xff0c;\u7b2c\u4e00\u6b65&#xff1a;\u5148\u7528 muduo \u7f51\u7edc\u5e93\u5199\u4e00\u4e2a\u975e\u5e38\u7b80\u5355\u7684\u201c\u56de\u663e\u804a\u5929\u670d\u52a1\u5668\u201d&#xff0c;\u5176\u4ed6\u529f\u80fd\u540e\u9762\u518d\u4e00\u6b65\u4e00\u6b65\u6dfb\u52a0\u5b9e\u73b0\u3002<\/p>\n<h3>\u4e00\u3001\u5b9e\u73b0\u524d\u7684\u4e86\u89e3<\/h3>\n<p>1.\u9996\u5148\u6211\u4eec\u5148\u8981\u660e\u786e\u672c\u6b21\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u201c\u56de\u663e\u804a\u5929\u670d\u52a1\u5668\u201d\u8981\u5177\u5907\u54ea\u4e9b\u529f\u80fd&#xff1a;<\/p>\n<ul>\n<li>\u5ba2\u6237\u7aef\u8fde\u63a5\u4e0a\u6765&#xff0c;\u670d\u52a1\u5668\u6253\u5370\u201c\u4e0a\u7ebf\u4e86\u201d&#xff1b;<\/li>\n<li>\u5ba2\u6237\u7aef\u53d1\u4efb\u4f55\u6d88\u606f&#xff0c;\u670d\u52a1\u5668\u539f\u6837\u628a\u6d88\u606f\u518d\u53d1\u56de\u53bb&#xff08;\u56de\u663e&#xff09;&#xff1b;<\/li>\n<li>\u5ba2\u6237\u7aef\u65ad\u5f00\u8fde\u63a5&#xff0c;\u670d\u52a1\u5668\u6253\u5370\u201c\u4e0b\u7ebf\u4e86\u201d\u5e76\u5173\u95ed\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<p>\u5b83\u5c55\u793a\u4e86 muduo \u7f51\u7edc\u5e93\u6700\u6838\u5fc3\u7684\u7528\u6cd5&#xff1a;\u628a\u201c\u7f51\u7edc\u90e8\u5206\u201d&#xff08;\u8fde\u63a5\u3001\u6536\u53d1\u6570\u636e&#xff09;\u548c\u201c\u4e1a\u52a1\u90e8\u5206\u201d&#xff08;\u8fd9\u91cc\u5c31\u662f\u56de\u663e&#xff09;\u5206\u5f00\u5199&#xff0c;\u8ba9\u4ee3\u7801\u66f4\u6e05\u6670\u3002<\/p>\n<p>2.\u63a5\u7740\u6211\u518d\u8bb2\u8ff0\u4e00\u4e0bmuduo \u5e93\u7684\u6838\u5fc3\u8bbe\u8ba1\u7406\u5ff5&#xff1a;<\/p>\n<ul>\n<li>\u63d0\u4f9b\u4e86 TcpServer&#xff08;\u5199\u670d\u52a1\u5668\u7528&#xff09;\u548c TcpClient&#xff08;\u5199\u5ba2\u6237\u7aef\u7528&#xff09;\u4e24\u4e2a\u7c7b&#xff0c;\u8ba9\u4f60\u4e0d\u7528\u81ea\u5df1\u53bb\u64cd\u4f5c\u5e95\u5c42\u7684 socket\u3002<\/li>\n<li>\u5e95\u5c42\u7528 epoll&#xff08;\u9ad8\u6548\u7684I\/O\u591a\u8def\u590d\u7528&#xff09; &#043; \u7ebf\u7a0b\u6c60\u3002<\/li>\n<li>\u6700\u5927\u7684\u597d\u5904\u662f&#xff1a;\u7f51\u7edc\u4ee3\u7801&#xff08;\u76d1\u542c\u8fde\u63a5\u3001\u6536\u53d1\u6570\u636e&#xff09;muduo \u5e2e\u4f60\u505a\u597d\u4e86&#xff0c;\u4f60\u53ea\u9700\u8981\u5199\u201c\u4e1a\u52a1\u4ee3\u7801\u201d&#xff08;\u6bd4\u5982\u6536\u5230\u6d88\u606f\u540e\u600e\u4e48\u5904\u7406&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u8054\u7cfb&#xff1a;\u540e\u9762\u6574\u4e2a\u7a0b\u5e8f\u90fd\u5728\u4f53\u73b0\u8fd9\u4e2a\u7406\u5ff5\u2014\u2014\u53ea\u5199\u4e86\u4e24\u4e2a\u56de\u8c03\u51fd\u6570&#xff08;onConnection \u548c onMessage&#xff09;&#xff0c;\u5176\u4ed6\u7f51\u7edc\u7ec6\u8282 muduo \u90fd\u5e2e\u4f60\u5904\u7406\u4e86\u3002<\/p>\n<h3>\u4e8c\u3001\u5b9e\u73b0\u6b65\u9aa4<\/h3>\n<p>1.\u5934\u6587\u4ef6<br \/>\n\u54b1\u4eec\u5148\u6765\u770b\u770b\u9700\u8981\u7684\u5934\u6587\u4ef6&#xff1a;<\/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;muduo\/net\/TcpServer.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;muduo\/net\/EventLoop.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;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;functional&gt;<\/span><\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> muduo<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> muduo<span class=\"token double-colon punctuation\">::<\/span>net<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> placeholders<span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5305\u542b muduo \u5e93\u9700\u8981\u7684\u5934\u6587\u4ef6&#xff08;TcpServer \u548c EventLoop&#xff09;\u3002<br \/>\n\u5305\u542b\u6807\u51c6\u5e93\u5934\u6587\u4ef6&#xff08;\u8f93\u5165\u8f93\u51fa\u3001\u5b57\u7b26\u4e32\u3001\u51fd\u6570\u7ed1\u5b9a&#xff09;\u3002<br \/>\nusing namespace \u662f\u4e3a\u4e86\u540e\u9762\u5199\u4ee3\u7801\u65f6\u53ef\u4ee5\u5c11\u6253\u70b9\u524d\u7f00&#xff0c;\u5199\u8d77\u6765\u66f4\u7b80\u6d01\u3002<\/p>\n<p>\u76ee\u7684&#xff1a;<\/p>\n<p>functional \u548c placeholders \u662f\u4e3a\u4e86\u540e\u9762\u7528 std::bind \u628a\u7c7b\u6210\u5458\u51fd\u6570\u7ed1\u5b9a\u6210\u56de\u8c03&#xff08;muduo \u9700\u8981\u56de\u8c03\u662f\u666e\u901a\u51fd\u6570\u5f62\u5f0f&#xff09;\u3002<\/p>\n<p>\u8fd9\u4e9b\u90fd\u662f\u4e3a\u540e\u9762\u5b9a\u4e49 ChatServer \u7c7b\u548c\u4f7f\u7528 muduo \u7684\u7c7b\u505a\u51c6\u5907\u3002<\/p>\n<p>2.ChatServer \u7c7b\u7684\u6574\u4f53\u6846\u67b6<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ChatServer<\/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\">ChatServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">onConnection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">onMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    TcpServer _server<span class=\"token punctuation\">;<\/span><br \/>\n    EventLoop <span class=\"token operator\">*<\/span>_loop<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u4e0a\u9762\u662f\u670d\u52a1\u5668\u7684\u4e00\u4e2a\u6574\u4f53\u6846\u67b6&#xff0c;\u5176\u5b9a\u4e49\u4e86\u4e00\u4e2a ChatServer \u7c7b&#xff0c;\u5c01\u88c5\u4e86\u6574\u4e2a\u670d\u52a1\u5668&#xff1b;\u76ee\u7684\u662f\u628a\u6240\u6709\u548c\u670d\u52a1\u5668\u76f8\u5173\u7684\u4e1c\u897f&#xff08;\u5bf9\u8c61\u3001\u56de\u8c03\u3001\u542f\u52a8&#xff09;\u90fd\u653e\u5728\u4e00\u4e2a\u7c7b\u91cc&#xff0c;\u7ed3\u6784\u66f4\u6e05\u6670\u3002<\/p>\n<p>\u5176\u4e2d&#xff1a;<\/p>\n<ul>\n<li>_server \u662f muduo \u63d0\u4f9b\u7684 TcpServer \u5bf9\u8c61&#xff0c;\u771f\u6b63\u5e72\u6d3b\u7684\u201c\u5927\u8111\u201d\u3002<\/li>\n<li>_loop \u662f\u4e8b\u4ef6\u5faa\u73af&#xff08;epoll&#xff09;\u7684\u6307\u9488&#xff0c;\u8d1f\u8d23\u76d1\u542c\u6240\u6709\u7f51\u7edc\u4e8b\u4ef6\u3002<\/li>\n<\/ul>\n<p>3.\u6784\u9020\u51fd\u6570<\/p>\n<p><span class=\"token function\">ChatServer<\/span><span class=\"token punctuation\">(<\/span>EventLoop <span class=\"token operator\">*<\/span>loop<span class=\"token punctuation\">,<\/span>                <span class=\"token comment\">\/\/\u4e8b\u4ef6\u5faa\u73af<\/span><br \/>\n           <span class=\"token keyword\">const<\/span> InetAddress <span class=\"token operator\">&amp;<\/span>listenAddr<span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/IP&#043;Port<\/span><br \/>\n           <span class=\"token keyword\">const<\/span> string <span class=\"token operator\">&amp;<\/span>nameArg<span class=\"token punctuation\">)<\/span>          <span class=\"token comment\">\/\/\u670d\u52a1\u5668\u7684\u540d\u5b57<\/span><br \/>\n    <span class=\"token operator\">:<\/span> <span class=\"token function\">_server<\/span><span class=\"token punctuation\">(<\/span>loop<span class=\"token punctuation\">,<\/span>listenAddr<span class=\"token punctuation\">,<\/span>nameArg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_loop<\/span><span class=\"token punctuation\">(<\/span>loop<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/\u7ed9\u670d\u52a1\u5668\u6ce8\u518c\u7528\u6237\u8fde\u63a5\u7684\u521b\u5efa\u548c\u65ad\u5f00\u56de\u8c03<\/span><br \/>\n    _server<span class=\"token punctuation\">.<\/span><span class=\"token function\">setConnectionCallback<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ChatServer<span class=\"token double-colon punctuation\">::<\/span>onConnection<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span>_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u7ed9\u670d\u52a1\u5668\u6ce8\u518c\u7528\u6237\u8bfb\u5199\u4e8b\u4ef6\u56de\u8c03<\/span><br \/>\n    _server<span class=\"token punctuation\">.<\/span><span class=\"token function\">setMessageCallback<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ChatServer<span class=\"token double-colon punctuation\">::<\/span>onMessage<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span>_1<span class=\"token punctuation\">,<\/span>_2<span class=\"token punctuation\">,<\/span>_3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u8bbe\u7f6e\u670d\u52a1\u5668\u7aef\u7684\u7ebf\u7a0b\u6570\u91cf   1\u4e2aI\/O\u7ebf\u7a0b   3\u4e2aworker\u7ebf\u7a0b<\/span><br \/>\n    _server<span class=\"token punctuation\">.<\/span><span class=\"token function\">setThreadNum<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4f5c\u7528&#xff1a;\u521b\u5efa ChatServer \u5bf9\u8c61\u65f6&#xff0c;\u4f1a\u540c\u65f6\u521b\u5efa\u4e00\u4e2a TcpServer \u5bf9\u8c61&#xff0c;\u5e76\u505a\u4e09\u4ef6\u4e8b&#xff1a;<\/p>\n<ul>\n<li>\u6ce8\u518c\u201c\u8fde\u63a5\u5efa\u7acb\/\u65ad\u5f00\u201d\u7684\u56de\u8c03 \u2192 onConnection<\/li>\n<li>\u6ce8\u518c\u201c\u6536\u5230\u6d88\u606f\u201d\u7684\u56de\u8c03 \u2192 onMessage<\/li>\n<li>\u8bbe\u7f6e\u7ebf\u7a0b\u6570\u91cf&#xff08;1\u4e2aI\/O\u7ebf\u7a0b &#043; 3\u4e2a\u5de5\u4f5c\u7ebf\u7a0b&#xff09;<\/li>\n<\/ul>\n<p>\u76ee\u7684&#xff1a;<\/p>\n<ul>\n<li>\u628a\u201c\u4ec0\u4e48\u65f6\u5019\u8c03\u7528\u54ea\u4e2a\u51fd\u6570\u201d\u63d0\u524d\u544a\u8bc9 muduo\u3002<\/li>\n<li>std::bind \u7684\u4f5c\u7528\u662f\u628a\u7c7b\u7684\u6210\u5458\u51fd\u6570&#xff08;\u9700\u8981 this \u6307\u9488&#xff09;\u5305\u88c5\u6210 muduo \u9700\u8981\u7684\u666e\u901a\u51fd\u6570\u5f62\u5f0f\u3002<\/li>\n<li>\u8bbe\u7f6e\u7ebf\u7a0b\u6570\u662f\u4e3a\u4e86\u8ba9 muduo \u7528\u7ebf\u7a0b\u6c60\u5904\u7406\u4e1a\u52a1&#xff0c;\u63d0\u9ad8\u5e76\u53d1\u80fd\u529b\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u6bb5\u662f\u6574\u4e2a\u7a0b\u5e8f\u6700\u5173\u952e\u7684\u201c\u914d\u7f6e\u201d\u90e8\u5206&#xff0c;\u540e\u9762\u7684 onConnection \u548c onMessage \u5c31\u662f\u8fd9\u91cc\u6ce8\u518c\u7684\u56de\u8c03\u51fd\u6570&#xff0c;_server.start() \u4f1a\u5728\u540e\u9762\u8c03\u7528&#xff0c;\u624d\u771f\u6b63\u5f00\u59cb\u76d1\u542c\u3002<\/p>\n<p>4.start() \u51fd\u6570<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n    _server<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4f5c\u7528&#xff1a;\u542f\u52a8\u670d\u52a1\u5668\u7684\u76d1\u542c&#xff08;\u5f00\u59cb accept \u65b0\u8fde\u63a5&#xff09;\u3002<br \/>\n\u76ee\u7684&#xff1a;\u628a\u201c\u914d\u7f6e\u201d\u548c\u201c\u771f\u6b63\u542f\u52a8\u201d\u5206\u5f00&#xff0c;\u66f4\u52a0\u7075\u6d3b\u3002<\/p>\n<p>5.onConnection \u56de\u8c03\u51fd\u6570&#xff08;\u5904\u7406\u8fde\u63a5\u548c\u65ad\u5f00&#xff09;<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">onConnection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> TcpConnectionPtr <span class=\"token operator\">&amp;<\/span>conn<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>conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">connected<\/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        cout<span class=\"token operator\">&lt;&lt;<\/span>conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">peerAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toIpPort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034; -&gt; &#034;<\/span><br \/>\n            <span class=\"token operator\">&lt;&lt;<\/span>conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">localAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toIpPort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034; state:online &#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>endl<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        cout<span class=\"token operator\">&lt;&lt;<\/span>conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">peerAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toIpPort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034; -&gt; &#034;<\/span><br \/>\n            <span class=\"token operator\">&lt;&lt;<\/span>conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">localAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toIpPort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034; state:offline &#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">shutdown<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/close(fd)<\/span><br \/>\n        <span class=\"token comment\">\/\/_loop-&gt;quit();<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4f5c\u7528&#xff1a;<\/p>\n<ul>\n<li>\u5f53\u6709\u65b0\u5ba2\u6237\u7aef\u8fde\u63a5\u4e0a\u6765&#xff0c;\u6216\u8005\u5df2\u6709\u5ba2\u6237\u7aef\u65ad\u5f00\u65f6&#xff0c;muduo \u4f1a\u81ea\u52a8\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\u3002<\/li>\n<li>\u8fde\u63a5\u6210\u529f \u2192 \u6253\u5370\u201conline\u201d<\/li>\n<li>\u65ad\u5f00\u8fde\u63a5 \u2192 \u6253\u5370\u201coffline\u201d \u5e76\u5173\u95ed\u5199\u7aef&#xff08;\u76f8\u5f53\u4e8e close&#xff09;<\/li>\n<\/ul>\n<p>\u76ee\u7684&#xff1a;<\/p>\n<ul>\n<li>\u8ba9\u4f60\u77e5\u9053\u5f53\u524d\u8fde\u63a5\u72b6\u6001\u3002<\/li>\n<li>\u5728\u5ba2\u6237\u7aef\u5f02\u5e38\u65ad\u5f00\u65f6&#xff0c;\u4e3b\u52a8\u5173\u95ed\u8fde\u63a5&#xff0c;\u91ca\u653e\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e2a\u51fd\u6570\u662f\u6784\u9020\u51fd\u6570\u91cc\u7528 setConnectionCallback \u6ce8\u518c\u7684&#xff0c;TcpConnectionPtr \u662f muduo \u63d0\u4f9b\u7684\u667a\u80fd\u6307\u9488&#xff0c;\u4ee3\u8868\u4e00\u4e2a\u8fde\u63a5\u3002<\/p>\n<p>6.onMessage \u56de\u8c03\u51fd\u6570&#xff08;\u5904\u7406\u8bfb\u5199\u4e8b\u4ef6&#xff09;<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">onMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> TcpConnectionPtr <span class=\"token operator\">&amp;<\/span>conn<span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/\u8fde\u63a5<\/span><br \/>\n               Buffer <span class=\"token operator\">*<\/span>buffer<span class=\"token punctuation\">,<\/span>                <span class=\"token comment\">\/\/\u7f13\u51b2\u533a<\/span><br \/>\n               Timestamp time<span class=\"token punctuation\">)<\/span>                <span class=\"token comment\">\/\/\u63a5\u6536\u5230\u6570\u636e\u7684\u65f6\u95f4\u4fe1\u606f<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    string buf <span class=\"token operator\">&#061;<\/span> buffer<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">retrieveAllAsString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    cout<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034;recv data:&#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>buf<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034; time:&#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>time<span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>buf<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4f5c\u7528&#xff1a;<\/p>\n<ul>\n<li>\u5f53\u67d0\u4e2a\u8fde\u63a5\u6536\u5230\u6570\u636e\u65f6&#xff0c;muduo \u4f1a\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\u3002<\/li>\n<li>\u628a\u6536\u5230\u7684\u6570\u636e\u5168\u90e8\u53d6\u51fa\u6765&#xff0c;\u6253\u5370&#xff0c;\u7136\u540e\u539f\u6837\u518d\u53d1\u56de\u53bb&#xff08;\u56de\u663e&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u91cc\u5c31\u662f\u201c\u4e1a\u52a1\u903b\u8f91\u201d\u3002\u73b0\u5728\u662f\u7b80\u5355\u56de\u663e&#xff0c;\u5b9e\u9645\u804a\u5929\u670d\u52a1\u5668\u4f1a\u628a\u6d88\u606f\u8f6c\u53d1\u7ed9\u5176\u4ed6\u4eba\u3002<\/p>\n<p>\u8fd9\u662f\u6784\u9020\u51fd\u6570\u91cc\u7528 setMessageCallback \u6ce8\u518c\u7684&#xff1b;buffer-&gt;retrieveAllAsString() \u4f1a\u628a muduo \u5185\u90e8\u7f13\u51b2\u533a\u7684\u6570\u636e\u53d6\u51fa\u6765\u5e76\u6e05\u7a7a&#xff1b;conn-&gt;send(buf) \u628a\u6570\u636e\u53d1\u56de\u53bb\u3002<\/p>\n<p>7.main \u51fd\u6570&#xff08;\u7a0b\u5e8f\u5165\u53e3&#xff09;<\/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    EventLoop loop<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/epoll<\/span><br \/>\n    InetAddress <span class=\"token function\">addr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;127.0.0.1&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">6000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ChatServer <span class=\"token function\">server<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>loop<span class=\"token punctuation\">,<\/span>addr<span class=\"token punctuation\">,<\/span><span class=\"token string\">&#034;ChatServer&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    server<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/listenfd epoll_ctl&#061;&gt;epoll<\/span><br \/>\n    loop<span class=\"token punctuation\">.<\/span><span class=\"token function\">loop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/epoll_wait\u4ee5\u963b\u585e\u65b9\u5f0f\u7b49\u5f85\u65b0\u7528\u6237\u8fde\u63a5&#xff0c;\u5df2\u8fde\u63a5\u7528\u6237\u7684\u8bfb\u5199\u4e8b\u4ef6\u7b49<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4f5c\u7528&#xff1a;\u7a0b\u5e8f\u542f\u52a8\u7684\u771f\u6b63\u5165\u53e3&#xff0c;\u987a\u5e8f\u505a\u4e86\u4e94\u4ef6\u4e8b&#xff1a;<\/p>\n<ul>\n<li>\u521b\u5efa\u4e00\u4e2a\u4e8b\u4ef6\u5faa\u73af\u5bf9\u8c61 loop&#xff08;\u8fd9\u5c31\u662f epoll&#xff09;\u3002<\/li>\n<li>\u5b9a\u4e49\u76d1\u542c\u5730\u5740&#xff1a;\u672c\u5730\u56de\u73af 127.0.0.1 \u7684 6000 \u7aef\u53e3\u3002<\/li>\n<li>\u521b\u5efa ChatServer \u5bf9\u8c61&#xff08;\u4f1a\u5b8c\u6210\u6240\u6709\u6ce8\u518c\u548c\u914d\u7f6e&#xff09;\u3002<\/li>\n<li>\u5148\u8c03\u7528 server.start() \u5f00\u59cb\u76d1\u542c\u65b0\u8fde\u63a5\u3002<\/li>\n<li>\u6700\u540e\u8c03\u7528 loop.loop() \u8fdb\u5165\u963b\u585e\u7b49\u5f85&#xff1a;\u7b49\u7740\u65b0\u8fde\u63a5\u3001\u8bfb\u4e8b\u4ef6\u3001\u5199\u4e8b\u4ef6\u53d1\u751f\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u662f\u4f7f\u7528 muduo \u7684\u6807\u51c6\u542f\u52a8\u6d41\u7a0b\u3002<\/p>\n<p>loop \u662f\u6574\u4e2a\u7a0b\u5e8f\u7684\u201c\u5fc3\u810f\u201d&#xff0c;\u6240\u6709\u4e8b\u4ef6\u90fd\u9760\u5b83\u9a71\u52a8&#xff1b;<br \/>\nserver.start() \u628a\u76d1\u542c socket \u52a0\u5165 epoll&#xff1b;<br \/>\nloop.loop() \u4e0d\u4f1a\u8fd4\u56de&#xff0c;\u9664\u975e\u4f60\u624b\u52a8\u8c03\u7528 quit()\u3002<\/p>\n<h3>\u4e09\u3001\u6574\u4f53\u6d41\u7a0b\u603b\u7ed3<\/h3>\n<p>1.\u7a0b\u5e8f\u542f\u52a8 \u2192 \u521b\u5efa EventLoop&#xff08;epoll&#xff09;<br \/>\n2.\u521b\u5efa ChatServer \u2192 \u5185\u90e8\u521b\u5efa TcpServer&#xff0c;\u5e76\u6ce8\u518c\u4e24\u4e2a\u56de\u8c03&#xff08;\u8fde\u63a5\u3001\u6d88\u606f&#xff09;<br \/>\n3.\u8c03\u7528 server.start() \u2192 \u5f00\u59cb\u76d1\u542c 6000 \u7aef\u53e3<br \/>\n4.\u8c03\u7528 loop.loop() \u2192 \u8fdb\u5165\u4e8b\u4ef6\u5faa\u73af&#xff0c;\u7b49\u5f85&#xff1a;<\/p>\n<ul>\n<li>\u65b0\u5ba2\u6237\u7aef\u8fde\u63a5 \u2192 \u89e6\u53d1 onConnection&#xff08;\u6253\u5370 online&#xff09;<\/li>\n<li>\u5df2\u6709\u5ba2\u6237\u7aef\u53d1\u6d88\u606f \u2192 \u89e6\u53d1 onMessage&#xff08;\u6253\u5370\u5e76\u56de\u663e&#xff09;<\/li>\n<li>\u5ba2\u6237\u7aef\u65ad\u5f00 \u2192 \u89e6\u53d1 onConnection&#xff08;\u6253\u5370 offline \u5e76\u5173\u95ed&#xff09;<\/li>\n<\/ul>\n<p>\u6574\u4e2a\u8fc7\u7a0b\u51e0\u4e4e\u6ca1\u6709\u624b\u52a8\u64cd\u4f5c socket\u3001epoll\u3001accept\u3001read\u3001write&#xff0c;\u8fd9\u4e9b\u5e95\u5c42\u7ec6\u8282\u5168\u88ab muduo \u5c01\u88c5\u4e86&#xff0c;\u4f60\u53ea\u5173\u5fc3\u201c\u8fde\u63a5\u6765\u4e86\u600e\u4e48\u529e\u201d\u201c\u6536\u5230\u6d88\u606f\u600e\u4e48\u529e\u201d\u3002<br \/>\n\u8fd9\u5c31\u662f muduo \u6700\u5927\u7684\u4f18\u70b9&#xff1a;\u7f51\u7edcI\/O\u4ee3\u7801\u548c\u4e1a\u52a1\u4ee3\u7801\u5f7b\u5e95\u5206\u79bb&#xff0c;\u8ba9\u4f60\u5199\u670d\u52a1\u5668\u50cf\u5199\u666e\u901a\u51fd\u6570\u4e00\u6837\u7b80\u5355\u3002<\/p>\n<h3>\u56db\u3001\u4ee3\u7801&#xff08;\u5305\u542b\u6ce8\u91ca&#xff09;<\/h3>\n<p><span class=\"token comment\">\/*<br \/>\nmuduo\u7f51\u7edc\u5e93\u7ed9\u7528\u6237\u63d0\u4f9b\u4e86\u4e24\u4e2a\u4e3b\u8981\u7684\u7c7b<br \/>\nTcpServer:\u7528\u4e8e\u7f16\u5199\u670d\u52a1\u5668\u7a0b\u5e8f\u7684<br \/>\nTcpClient:\u7528\u4e8e\u7f16\u5199\u5ba2\u6237\u7aef\u7a0b\u5e8f\u7684<\/p>\n<p>epoll &#043; \u7ebf\u7a0b\u6c60<br \/>\n\u597d\u5904&#xff1a;\u80fd\u591f\u628a\u7f51\u7edcI\/O\u7684\u4ee3\u7801\u548c\u4e1a\u52a1\u4ee3\u7801\u533a\u5206\u5f00<br \/>\n                        \u7528\u6237\u7684\u8fde\u63a5\u548c\u65ad\u5f00   \u7528\u6237\u7684\u53ef\u8bfb\u5199\u4e8b\u4ef6<br \/>\n*\/<\/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;muduo\/net\/TcpServer.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;muduo\/net\/EventLoop.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;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;functional&gt;<\/span>  <span class=\"token comment\">\/\/\u7ed1\u5b9a\u5668<\/span><\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> muduo<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> muduo<span class=\"token double-colon punctuation\">::<\/span>net<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> placeholders<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/*\u57fa\u4e8emuduo\u7f51\u7edc\u5e93\u5f00\u53d1\u670d\u52a1\u5668\u7a0b\u5e8f<br \/>\n1.\u7ec4\u5408TcoServer\u5bf9\u8c61<br \/>\n2.\u521b\u5efaEventLoop\u4e8b\u4ef6\u5faa\u73af\u5bf9\u8c61\u7684\u6307\u9488<br \/>\n3.\u660e\u786eTcpServer\u6784\u9020\u51fd\u6570\u9700\u8981\u4ec0\u4e48\u53c2\u6570&#xff0c;\u8f93\u51faChatServer\u7684\u6784\u9020\u51fd\u6570<br \/>\n4.\u5728\u5f53\u524d\u670d\u52a1\u5668\u7c7b\u7684\u6784\u9020\u51fd\u6570\u5f53\u4e2d&#xff0c;\u6ce8\u518c\u5904\u7406\u8fde\u63a5\u7684\u56de\u8c03\u51fd\u6570\u548c\u5904\u7406\u8bfb\u5199\u4e8b\u4ef6\u7684\u56de\u8c03\u51fd\u6570<br \/>\n5.\u8bbe\u7f6e\u5408\u9002\u7684\u670d\u52a1\u7aef\u7ebf\u7a0b\u6570\u91cf&#xff0c;muduo\u4f1a\u81ea\u5df1\u5206\u914dI\/O\u7ebf\u7a0b\u548cworker\u7ebf\u7a0b<br \/>\n*\/<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ChatServer<\/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\">ChatServer<\/span><span class=\"token punctuation\">(<\/span>EventLoop <span class=\"token operator\">*<\/span>loop<span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/\u4e8b\u4ef6\u5faa\u73af<\/span><br \/>\n               <span class=\"token keyword\">const<\/span> InetAddress <span class=\"token operator\">&amp;<\/span>listenAddr<span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/IP&#043;Port<\/span><br \/>\n               <span class=\"token keyword\">const<\/span> string <span class=\"token operator\">&amp;<\/span>nameArg<span class=\"token punctuation\">)<\/span>   <span class=\"token comment\">\/\/\u670d\u52a1\u5668\u7684\u540d\u5b57<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_server<\/span><span class=\"token punctuation\">(<\/span>loop<span class=\"token punctuation\">,<\/span>listenAddr<span class=\"token punctuation\">,<\/span>nameArg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_loop<\/span><span class=\"token punctuation\">(<\/span>loop<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u7ed9\u670d\u52a1\u5668\u6ce8\u518c\u7528\u6237\u8fde\u63a5\u7684\u521b\u5efa\u548c\u65ad\u5f00\u56de\u8c03<\/span><br \/>\n        _server<span class=\"token punctuation\">.<\/span><span class=\"token function\">setConnectionCallback<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ChatServer<span class=\"token double-colon punctuation\">::<\/span>onConnection<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span>_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/\u7ed9\u670d\u52a1\u5668\u6ce8\u518c\u7528\u6237\u8bfb\u5199\u4e8b\u4ef6\u56de\u8c03<\/span><br \/>\n        _server<span class=\"token punctuation\">.<\/span><span class=\"token function\">setMessageCallback<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ChatServer<span class=\"token double-colon punctuation\">::<\/span>onMessage<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span>_1<span class=\"token punctuation\">,<\/span>_2<span class=\"token punctuation\">,<\/span>_3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/\u8bbe\u7f6e\u670d\u52a1\u5668\u7aef\u7684\u7ebf\u7a0b\u6570\u91cf   1\u4e2aI\/O\u7ebf\u7a0b   3\u4e2aworker\u7ebf\u7a0b<\/span><br \/>\n        _server<span class=\"token punctuation\">.<\/span><span class=\"token function\">setThreadNum<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u5f00\u542f\u4e8b\u4ef6\u5faa\u73af<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n        _server<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/\u4e13\u95e8\u5904\u7406\u7528\u6237\u7684\u8fde\u63a5\u521b\u5efa\u548c\u65ad\u5f00   epoll  listenfd   accept<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">onConnection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> TcpConnectionPtr <span class=\"token operator\">&amp;<\/span>conn<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>conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">connected<\/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            cout<span class=\"token operator\">&lt;&lt;<\/span>conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">peerAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toIpPort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034; -&gt; &#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">localAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toIpPort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034; state:online &#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>endl<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            cout<span class=\"token operator\">&lt;&lt;<\/span>conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">peerAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toIpPort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034; -&gt; &#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">localAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toIpPort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034; state:offline &#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">shutdown<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/close(fd)<\/span><br \/>\n            <span class=\"token comment\">\/\/_loop-&gt;quit();<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u4e13\u95e8\u5904\u7406\u7528\u6237\u7684\u8bfb\u5199\u4e8b\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">onMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> TcpConnectionPtr <span class=\"token operator\">&amp;<\/span>conn<span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/\u8fde\u63a5<\/span><br \/>\n                   Buffer <span class=\"token operator\">*<\/span>buffer<span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/\u7f13\u51b2\u533a<\/span><br \/>\n                   Timestamp time<span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/\u63a5\u6536\u5230\u6570\u636e\u7684\u65f6\u95f4\u4fe1\u606f<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        string buf <span class=\"token operator\">&#061;<\/span> buffer<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">retrieveAllAsString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        cout<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034;recv data:&#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>buf<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034;time:&#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>time<span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>buf<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    TcpServer _server<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/#1<\/span><br \/>\n    EventLoop <span class=\"token operator\">*<\/span>_loop<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/#2  epoll<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    EventLoop loop<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/epoll<\/span><br \/>\n    InetAddress <span class=\"token function\">addr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;127.0.0.1&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">6000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ChatServer <span class=\"token function\">server<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>loop<span class=\"token punctuation\">,<\/span>addr<span class=\"token punctuation\">,<\/span><span class=\"token string\">&#034;ChatServer&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    server<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/listenfd epoll_ctl&#061;&gt;epoll<\/span><br \/>\n    loop<span class=\"token punctuation\">.<\/span><span class=\"token function\">loop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/epoll_wait\u4ee5\u963b\u585e\u65b9\u5f0f\u7b49\u5f85\u65b0\u7528\u6237\u8fde\u63a5&#xff0c;\u5df2\u8fde\u63a5\u7528\u6237\u7684\u8bfb\u5199\u4e8b\u4ef6\u7b49<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fd0\u884c\u6b65\u9aa4\u53ca\u7ed3\u679c&#xff1a;<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260119001809-696d784137cba.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5173\u4e8eC\u96c6\u7fa4\u804a\u5929\u670d\u52a1\u5668&#xff0c;\u7b2c\u4e00\u6b65&#xff1a;\u5148\u7528 muduo \u7f51\u7edc\u5e93\u5199\u4e00\u4e2a\u975e\u5e38\u7b80\u5355\u7684\u201c\u56de\u663e\u804a\u5929\u670d\u52a1\u5668\u201d&#xff0c;\u5176\u4ed6\u529f\u80fd\u540e\u9762\u518d\u4e00\u6b65\u4e00\u6b65\u6dfb\u52a0\u5b9e\u73b0\u3002<br \/>\n\u4e00\u3001\u5b9e\u73b0\u524d\u7684\u4e86\u89e3<br \/>\n1.\u9996\u5148\u6211\u4eec\u5148\u8981\u660e\u786e\u672c\u6b21\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u201c\u56de\u663e\u804a\u5929\u670d\u52a1\u5668\u201d\u8981\u5177\u5907\u54ea\u4e9b\u529f\u80fd&#xff1a;<br \/>\n\u5ba2\u6237\u7aef\u8fde\u63a5\u4e0a\u6765&#xff0c;\u670d\u52a1\u5668\u6253\u5370\u201c\u4e0a\u7ebf\u4e86\u201d&#xff1b;\u5ba2\u6237\u7aef\u53d1\u4efb\u4f55\u6d88\u606f&#xff0c;\u670d\u52a1\u5668\u539f\u6837\u628a\u6d88\u606f\u518d\u53d1\u56de\u53bb&#xff08;\u56de\u663e&#xff09;&#xff1b;\u5ba2\u6237\u7aef\u65ad\u5f00\u8fde\u63a5&#xff0c;\u670d\u52a1<\/p>\n","protected":false},"author":2,"featured_media":62046,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,43,78],"topic":[],"class_list":["post-62047","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-c","tag-43","tag-78"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C++\u96c6\u7fa4\u804a\u5929\u670d\u52a1\u5668\uff081\uff09\u2014\u2014 muduo\u7f51\u7edc\u5e93\u670d\u52a1\u5668\u7f16\u7a0b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/62047.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C++\u96c6\u7fa4\u804a\u5929\u670d\u52a1\u5668\uff081\uff09\u2014\u2014 muduo\u7f51\u7edc\u5e93\u670d\u52a1\u5668\u7f16\u7a0b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8eC\u96c6\u7fa4\u804a\u5929\u670d\u52a1\u5668&#xff0c;\u7b2c\u4e00\u6b65&#xff1a;\u5148\u7528 muduo \u7f51\u7edc\u5e93\u5199\u4e00\u4e2a\u975e\u5e38\u7b80\u5355\u7684\u201c\u56de\u663e\u804a\u5929\u670d\u52a1\u5668\u201d&#xff0c;\u5176\u4ed6\u529f\u80fd\u540e\u9762\u518d\u4e00\u6b65\u4e00\u6b65\u6dfb\u52a0\u5b9e\u73b0\u3002 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