{"id":24802,"date":"2025-04-19T10:47:09","date_gmt":"2025-04-19T02:47:09","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/24802.html"},"modified":"2025-04-19T10:47:09","modified_gmt":"2025-04-19T02:47:09","slug":"%e3%80%90linux%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b%e3%80%91%e7%ac%ac%e5%85%ad%e5%bc%b9-%e6%9e%84%e5%bb%batcp%e6%9c%8d%e5%8a%a1%e5%99%a8%ef%bc%9a%e4%bb%8e%e5%9f%ba%e7%a1%80%e5%88%b0%e7%ba%bf%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/24802.html","title":{"rendered":"\u3010Linux\u7f51\u7edc\u7f16\u7a0b\u3011\u7b2c\u516d\u5f39---\u6784\u5efaTCP\u670d\u52a1\u5668\uff1a\u4ece\u57fa\u7840\u5230\u7ebf\u7a0b\u6c60\u7248\u672c\u7684\u5b9e\u73b0\u4e0e\u6d4b\u8bd5\u8be6\u89e3"},"content":{"rendered":"<p style=\"text-align:center\">\u2728<span style=\"color:#956fe7\">\u4e2a\u4eba\u4e3b\u9875&#xff1a;<\/span>\u00a0\u71ac\u591c\u5b66\u7f16\u7a0b\u7684\u5c0f\u6797<\/p>\n<p style=\"text-align:center\">&#x1f497;<span style=\"color:#fe2c24\">\u7cfb\u5217\u4e13\u680f&#xff1a;\u00a0<\/span>\u3010C\u8bed\u8a00\u8be6\u89e3\u3011\u00a0\u3010\u6570\u636e\u7ed3\u6784\u8be6\u89e3\u3011\u3010C&#043;&#043;\u8be6\u89e3\u3011\u3010Linux\u7cfb\u7edf\u7f16\u7a0b\u3011\u3010Linux\u7f51\u7edc\u7f16\u7a0b\u3011<\/p>\n<p id=\"main-toc\">\u76ee\u5f55<\/p>\n<p id=\"1%E3%80%81TcpServerMain.cc-toc\" style=\"margin-left:0px\">1\u3001TcpServerMain.cc<\/p>\n<p id=\"2%E3%80%81TcpServer.hpp-toc\" style=\"margin-left:0px\">2\u3001TcpServer.hpp<\/p>\n<p id=\"2.1%E3%80%81TcpServer%E7%B1%BB%E5%9F%BA%E6%9C%AC%E7%BB%93%E6%9E%84-toc\" style=\"margin-left:40px\">2.1\u3001TcpServer\u7c7b\u57fa\u672c\u7ed3\u6784<\/p>\n<p id=\"2.2%E3%80%81%E6%9E%84%E9%80%A0%E6%9E%90%E6%9E%84%E5%87%BD%E6%95%B0-toc\" style=\"margin-left:40px\">2.2\u3001\u6784\u9020\u6790\u6784\u51fd\u6570<\/p>\n<p id=\"2.3%E3%80%81InitServer()-toc\" style=\"margin-left:40px\">2.3\u3001InitServer()<\/p>\n<p id=\"2.4%E3%80%81Loop()-toc\" style=\"margin-left:40px\">2.4\u3001Loop()<\/p>\n<p id=\"2.4.1%E3%80%81Server%200(%E4%B8%8D%E9%9D%A0%E8%B0%B1%E7%89%88%E6%9C%AC)-toc\" style=\"margin-left:80px\">2.4.1\u3001Server 0(\u4e0d\u9760\u8c31\u7248\u672c)<\/p>\n<p id=\"2.4.2%E3%80%81Server%201(%E5%A4%9A%E8%BF%9B%E7%A8%8B%E7%89%88%E6%9C%AC)-toc\" style=\"margin-left:80px\">2.4.2\u3001Server 1(\u591a\u8fdb\u7a0b\u7248\u672c)<\/p>\n<p id=\"2.4.3%E3%80%81Server%202(%E5%A4%9A%E7%BA%BF%E7%A8%8B%E7%89%88%E6%9C%AC)-toc\" style=\"margin-left:80px\">2.4.3\u3001Server 2(\u591a\u7ebf\u7a0b\u7248\u672c)<\/p>\n<p id=\"2.4.4%E3%80%81Server%202(%E7%BA%BF%E7%A8%8B%E6%B1%A0%E7%89%88%E6%9C%AC)-toc\" style=\"margin-left:80px\">2.4.4\u3001Server 3(\u7ebf\u7a0b\u6c60\u7248\u672c)<\/p>\n<p id=\"3%E3%80%81TcpClientMain.cc-toc\" style=\"margin-left:0px\">3\u3001TcpClientMain.cc<\/p>\n<p id=\"4%E3%80%81%E6%B5%8B%E8%AF%95%E7%BB%93%E6%9E%9C-toc\" style=\"margin-left:0px\">4\u3001\u6d4b\u8bd5\u7ed3\u679c<\/p>\n<p id=\"4.1%E3%80%81%E4%B8%8D%E9%9D%A0%E8%B0%B1%E7%89%88%E6%9C%AC-toc\" style=\"margin-left:40px\">4.1\u3001\u4e0d\u9760\u8c31\u7248\u672c<\/p>\n<p id=\"4.2%E3%80%81%E5%A4%9A%E8%BF%9B%E7%A8%8B%E7%89%88%E6%9C%AC-toc\" style=\"margin-left:40px\">4.2\u3001\u591a\u8fdb\u7a0b\u7248\u672c<\/p>\n<p id=\"4.3%E3%80%81%E5%A4%9A%E7%BA%BF%E7%A8%8B%E7%89%88%E6%9C%AC-toc\" style=\"margin-left:40px\">4.3\u3001\u591a\u7ebf\u7a0b\u7248\u672c<\/p>\n<p id=\"4.4%E3%80%81%E7%BA%BF%E7%A8%8B%E6%B1%A0%E7%89%88%E6%9C%AC-toc\" style=\"margin-left:40px\">4.4\u3001\u7ebf\u7a0b\u6c60\u7248\u672c<\/p>\n<p id=\"5%E3%80%81%E5%AE%8C%E6%95%B4%E4%BB%A3%E7%A0%81-toc\" style=\"margin-left:0px\">5\u3001\u5b8c\u6574\u4ee3\u7801<\/p>\n<p id=\"5.1%E3%80%81Makefile-toc\" style=\"margin-left:40px\">5.1\u3001Makefile<\/p>\n<p id=\"5.2%E3%80%81TcpClientMain.cc-toc\" style=\"margin-left:40px\">5.2\u3001TcpClientMain.cc<\/p>\n<p id=\"5.3%E3%80%81TcpServer.hpp-toc\" style=\"margin-left:40px\">5.3\u3001TcpServer.hpp<\/p>\n<p id=\"5.4%E3%80%81TcpServerMain.cc-toc\" style=\"margin-left:40px\">5.4\u3001TcpServerMain.cc<\/p>\n<hr id=\"hr-toc\" \/>\n<p>\u524d\u9762\u51e0\u5f39\u4f7f\u7528UDP\u534f\u8bae\u5b9e\u73b0\u4e86\u76f8\u5173\u529f\u80fd&#xff0c;\u6b64\u5f39<span style=\"color:#956fe7\">\u4f7f\u7528TCP\u534f\u8bae\u5b9e\u73b0\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u7aef\u7684\u901a\u4fe1<\/span>&#xff0c;\u76f8\u6bd4\u4e0eUDP\u534f\u8bae&#xff0c;<span style=\"color:#0d0016\">TCP\u534f\u8bae\u66f4\u52a0\u53ef\u9760&#xff0c;\u4e5f\u66f4\u52a0\u590d\u6742<\/span>&#xff01;\u4e0eUDP\u7c7b\u4f3c&#xff0c;\u6211\u4eec<span style=\"color:#fe2c24\">\u5148\u5199\u4e3b\u51fd\u6570&#xff0c;\u7136\u540e\u5b9e\u73b0\u76f8\u5173\u51fd\u6570<\/span>&#xff01;<\/p>\n<h2 id=\"1%E3%80%81TcpServerMain.cc\">1\u3001TcpServerMain.cc<\/h2>\n<p><span style=\"color:#0d0016\">\u670d\u52a1\u7aef\u4e3b\u51fd\u6570<\/span><span style=\"color:#956fe7\">\u4f7f\u7528\u667a\u80fd\u6307\u9488\u6784\u9020Server\u5bf9\u8c61&#xff0c;\u7136\u540e\u8c03\u7528\u521d\u59cb\u5316\u4e0e\u6267\u884c\u51fd\u6570<\/span>&#xff0c;<span style=\"color:#ff9900\">\u8c03\u7528\u4e3b\u51fd\u6570\u4f7f\u7528\u8be5\u53ef\u6267\u884c\u7a0b\u5e8f &#043; \u7aef\u53e3\u53f7<\/span>&#xff01;<\/p>\n<p>\/\/ .\/tcpserver 8888<br \/>\nint main(int argc,char* argv[])<br \/>\n{<br \/>\n    if(argc !&#061; 2)<br \/>\n    {<br \/>\n        std::cerr &lt;&lt; &#034;Usage: &#034; &lt;&lt; argv[0] &lt;&lt; &#034; local-post&#034; &lt;&lt; std::endl;<br \/>\n        exit(0);<br \/>\n    }<\/p>\n<p>    uint16_t port &#061; std::stoi(argv[1]);<\/p>\n<p>    std::unique_ptr&lt;TcpServer&gt; tsvr &#061; std::make_unique&lt;TcpServer&gt;(port);<\/p>\n<p>    tsvr-&gt;InitServer();<br \/>\n    tsvr-&gt;Loop();<br \/>\n    return 0;<br \/>\n} <\/p>\n<h2 id=\"2%E3%80%81TcpServer.hpp\">2\u3001TcpServer.hpp<\/h2>\n<p>TcpServer.hpp\u5c01\u88c5TcpServer\u7c7b&#xff01;<\/p>\n<p>\u679a\u4e3e\u5e38\u91cf&#xff1a;<\/p>\n<p>enum<br \/>\n{<br \/>\n    SOCKET_ERROR,<br \/>\n    BIND_ERROR,<br \/>\n    LISTEN_ERROR<br \/>\n}; <\/p>\n<p>\u5168\u5c40\u9759\u6001\u53d8\u91cf&#xff1a;<\/p>\n<p>const static uint16_t gport &#061; 8888;<br \/>\nconst static int gsockfd &#061; -1;<br \/>\nconst static int gblcklog &#061; 8; <\/p>\n<h3 id=\"2.1%E3%80%81TcpServer%E7%B1%BB%E5%9F%BA%E6%9C%AC%E7%BB%93%E6%9E%84\">2.1\u3001TcpServer\u7c7b\u57fa\u672c\u7ed3\u6784<\/h3>\n<p>TcpServer\u7c7b\u7684\u57fa\u672c\u6210\u5458\u6709\u7aef\u53e3\u53f7&#xff0c;\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u4e0e\u8fd0\u884c\u72b6\u6001&#xff01;<\/p>\n<p>\/\/ \u9762\u5411\u5b57\u8282\u6d41<br \/>\nclass TcpServer<br \/>\n{<br \/>\npublic:<br \/>\n    TcpServer(uint16_t port &#061; gport);<br \/>\n    void InitServer();<br \/>\n    void Loop();<br \/>\n    ~TcpServer();<br \/>\nprivate:<br \/>\n    uint16_t _port;<br \/>\n    int _sockfd; \/\/ TODO<br \/>\n    bool _isrunning;<br \/>\n}; <\/p>\n<h3 id=\"2.2%E3%80%81%E6%9E%84%E9%80%A0%E6%9E%90%E6%9E%84%E5%87%BD%E6%95%B0\">2.2\u3001\u6784\u9020\u6790\u6784\u51fd\u6570<\/h3>\n<p>\u00a0\u6784\u9020\u51fd\u6570\u521d\u59cb\u5316\u6210\u5458\u53d8\u91cf&#xff0c;\u6790\u6784\u51fd\u6570\u65e0\u9700\u5904\u7406&#xff01;<\/p>\n<p><span style=\"color:#fe2c24\">\u6ce8\u610f&#xff1a;\u6b64\u5904\u9700\u8981\u7528\u5230\u4e24\u4e2a\u5168\u5c40\u9759\u6001\u53d8\u91cf&#xff01;\u00a0<\/span><\/p>\n<p>TcpServer(uint16_t port &#061; gport)<br \/>\n    :_port(port),_sockfd(gsockfd),_isrunning(false)<br \/>\n{}<\/p>\n<p>~TcpServer()<br \/>\n{}<\/p>\n<h3 id=\"2.3%E3%80%81InitServer()\">2.3\u3001InitServer()<\/h3>\n<p>InitServer() \u521d\u59cb\u5316\u670d\u52a1\u7aef&#xff01;<\/p>\n<p>\u521d\u59cb\u5316\u51fd\u6570\u4e3b\u8981\u5206\u4e3a\u4e09\u6b65&#xff1a;<\/p>\n<ul>\n<li>1\u3001\u521b\u5efasocket(\u7c7b\u578b\u4e0eUDP\u4e0d\u540c)<\/li>\n<\/ul>\n<p>\u7c7b\u578b\u9700\u8981\u4f7f\u7528 SOCK_STREAM<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"191\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419024704-68030ea8b554c.png\" width=\"1200\" \/><\/p>\n<ul>\n<li>2\u3001bind sockfd \u548c socket addr<\/li>\n<li>3\u3001\u83b7\u53d6\u8fde\u63a5(\u4e0eUDP\u4e0d\u540c)<\/li>\n<\/ul>\n<p>\u83b7\u53d6\u8fde\u63a5\u9700\u8981\u4f7f\u7528listen\u51fd\u6570(<span style=\"color:#956fe7\">\u5c06\u5957\u63a5\u5b57\u8bbe\u7f6e\u4e3a\u76d1\u542c\u6a21\u5f0f&#xff0c;\u4ee5\u4fbf\u80fd\u591f\u63a5\u53d7\u8fdb\u5165\u7684\u8fde\u63a5\u8bf7\u6c42<\/span>)<\/p>\n<p><span style=\"background-color:#38d8f0\">listen()<\/span><\/p>\n<p>#include &lt;sys\/types.h&gt;<br \/>\n#include &lt;sys\/socket.h&gt;<\/p>\n<p>int listen(int sockfd, int backlog); <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"223\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419024704-68030ea8f2404.png\" width=\"932\" \/><\/p>\n<p>\u53c2\u6570<\/p>\n<ul>\n<li>sockfd&#xff1a;\u8fd9\u662f\u4e00\u4e2a\u5df2\u521b\u5efa\u7684\u5957\u63a5\u5b57\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u5b83\u5e94\u8be5\u662f\u4e00\u4e2a\u7ed1\u5b9a\u5230\u67d0\u4e2a\u5730\u5740\u548c\u7aef\u53e3\u7684\u5957\u63a5\u5b57\u3002<\/li>\n<li>backlog&#xff1a;\u8fd9\u4e2a\u53c2\u6570\u5b9a\u4e49\u4e86\u5185\u6838\u5e94\u8be5\u4e3a\u76f8\u5e94\u5957\u63a5\u5b57\u6392\u961f\u7684\u6700\u5927\u8fde\u63a5\u6570(\u6b64\u5904\u6682\u65f6\u4f7f\u75288)\u3002\u5982\u679c\u961f\u5217\u5df2\u6ee1&#xff0c;\u65b0\u7684\u8fde\u63a5\u8bf7\u6c42\u53ef\u80fd\u4f1a\u88ab\u62d2\u7edd\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f&#xff0c;\u8fd9\u4e2a\u503c\u53ea\u662f\u5185\u6838\u7528\u4e8e\u4f18\u5316\u6027\u80fd\u7684\u4e00\u4e2a\u63d0\u793a&#xff0c;\u5b9e\u9645\u5b9e\u73b0\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\u3002<\/li>\n<\/ul>\n<p>\u8fd4\u56de\u503c<\/p>\n<ul>\n<li>\u6210\u529f\u65f6&#xff0c;listen\u00a0\u51fd\u6570\u8fd4\u56de 0\u3002<\/li>\n<li>\u5931\u8d25\u65f6&#xff0c;\u8fd4\u56de -1&#xff0c;\u5e76\u8bbe\u7f6e\u00a0errno\u00a0\u4ee5\u6307\u793a\u9519\u8bef\u7c7b\u578b\u3002<\/li>\n<\/ul>\n<p><span style=\"color:#fe2c24\">\u6ce8\u610f&#xff1a;\u6b64\u5904\u9700\u8981\u7528\u5230\u5168\u5c40\u9759\u6001\u53d8\u91cf\u548c\u679a\u4e3e\u5e38\u91cf&#xff01;<\/span><\/p>\n<p>\/\/ _sockfd \u7248\u672c<br \/>\nvoid InitServer()<br \/>\n{<br \/>\n    \/\/ 1.\u521b\u5efasocket<br \/>\n    _sockfd &#061; ::socket(AF_INET,SOCK_STREAM,0);<br \/>\n    if(_sockfd &lt; 0)<br \/>\n    {<br \/>\n        LOG(FATAL,&#034;socket create eror\\\\n&#034;);<br \/>\n        exit(SOCKET_ERROR);<br \/>\n    }<br \/>\n    LOG(INFO,&#034;socket create success,sockfd: %d\\\\n&#034;,_sockfd); \/\/ 3<\/p>\n<p>    struct sockaddr_in local;<br \/>\n    memset(&amp;local,0,sizeof(local));<br \/>\n    local.sin_family &#061; AF_INET;<br \/>\n    local.sin_port &#061; htons(_port);<br \/>\n    local.sin_addr.s_addr &#061; INADDR_ANY;<\/p>\n<p>    \/\/ 2.bind sockfd \u548c socket addr<br \/>\n    if(::bind(_sockfd,(struct sockaddr*)&amp;local,sizeof(local)) &lt; 0)<br \/>\n    {<br \/>\n        LOG(FATAL,&#034;bind eror\\\\n&#034;);<br \/>\n        exit(BIND_ERROR);<br \/>\n    }<br \/>\n    LOG(INFO,&#034;bind success\\\\n&#034;);<\/p>\n<p>    \/\/ 3.\u56e0\u4e3atcp\u662f\u9762\u5411\u8fde\u63a5\u7684&#xff0c;tcp\u9700\u8981\u672a\u6765\u4e0d\u77ed\u5730\u83b7\u53d6\u8fde\u63a5<br \/>\n    \/\/ \u8001\u677f\u6a21\u5f0f&#xff0c;\u968f\u65f6\u7b49\u5f85\u88ab\u8fde\u63a5<br \/>\n    if(::listen(_sockfd,gblcklog) &lt; 0)<br \/>\n    {<br \/>\n        LOG(FATAL,&#034;listen eror\\\\n&#034;);<br \/>\n        exit(LISTEN_ERROR);<br \/>\n    }<br \/>\n    LOG(INFO,&#034;listen success\\\\n&#034;);<br \/>\n} <\/p>\n<p>\u4e3a\u4e86\u6d4b\u8bd5\u8be5\u51fd\u6570&#xff0c;\u5148\u5c06Loop\u51fd\u6570\u8bbe\u8ba1\u6210\u6b7b\u5faa\u73af&#xff01;<\/p>\n<p><span style=\"background-color:#38d8f0\">Loop()<\/span><\/p>\n<p>\/\/ \u6d4b\u8bd5<br \/>\nvoid Loop()<br \/>\n{<br \/>\n    _isrunning &#061; true;<br \/>\n    while(_isrunning)<br \/>\n    {<br \/>\n        sleep(1);<br \/>\n    }<br \/>\n    _isrunning &#061; false;<br \/>\n} <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"598\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419024705-68030ea926c14.png\" width=\"1200\" \/><\/p>\n<h3 id=\"2.4%E3%80%81Loop()\">2.4\u3001Loop()<\/h3>\n<p>Loop() \u51fd\u6570\u4e00\u76f4\u6267\u884c\u670d\u52a1&#xff01;<\/p>\n<p>\u6267\u884c\u670d\u52a1\u51fd\u6570\u4e3b\u8981\u5206\u4e3a\u4e24\u6b65&#xff1a;<\/p>\n<ul>\n<li><span style=\"color:#fe2c24\">1\u3001\u83b7\u53d6\u65b0\u8fde\u63a5<\/span>(accept\u51fd\u6570[<span style=\"color:#956fe7\">\u4ece\u5df2\u5b8c\u6210\u8fde\u63a5\u961f\u5217\u7684\u5934\u90e8\u8fd4\u56de\u4e0b\u4e00\u4e2a\u5df2\u5b8c\u6210\u8fde\u63a5&#xff0c;\u5982\u679c\u961f\u5217\u4e3a\u7a7a&#xff0c;\u5219\u963b\u585e\u8c03\u7528\u8fdb\u7a0b<\/span>])<\/li>\n<\/ul>\n<p><span style=\"background-color:#38d8f0\">accept()<\/span><\/p>\n<p>#include &lt;sys\/types.h&gt;          \/* See NOTES *\/<br \/>\n#include &lt;sys\/socket.h&gt;<\/p>\n<p>int accept(int sockfd, struct sockaddr *addr, socklen_t *addrlen); <\/p>\n<p>\u00a0<img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"572\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419024705-68030ea99b0c8.png\" width=\"1200\" \/><\/p>\n<p>\u53c2\u6570<\/p>\n<ul>\n<li>sockfd&#xff1a;\u8fd9\u662f\u4e00\u4e2a\u76d1\u542c\u5957\u63a5\u5b57\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u5b83\u5e94\u8be5<span style=\"color:#956fe7\">\u662f\u4e00\u4e2a\u5df2\u7ecf\u901a\u8fc7\u00a0socket\u00a0\u51fd\u6570\u521b\u5efa&#xff0c;\u5e76\u901a\u8fc7\u00a0bind\u00a0\u51fd\u6570\u7ed1\u5b9a\u5230\u7279\u5b9a\u5730\u5740\u548c\u7aef\u53e3&#xff0c;\u4ee5\u53ca\u901a\u8fc7\u00a0listen\u00a0\u51fd\u6570\u8bbe\u7f6e\u4e3a\u76d1\u542c\u6a21\u5f0f\u7684\u5957\u63a5\u5b57<\/span>\u3002<\/li>\n<li>addr&#xff1a;\u8fd9\u662f\u4e00\u4e2a\u6307\u5411\u00a0sockaddr\u00a0\u7ed3\u6784\u7684\u6307\u9488&#xff0c;\u8be5\u7ed3\u6784\u7528\u4e8e\u5b58\u50a8\u63a5\u53d7\u8fde\u63a5\u7684\u5ba2\u6237\u7aef\u7684\u5730\u5740\u4fe1\u606f\u3002\u5982\u679c\u4e0d\u9700\u8981\u8fd9\u4e2a\u4fe1\u606f&#xff0c;\u53ef\u4ee5\u4f20\u9012\u00a0NULL\u3002<\/li>\n<li>addrlen&#xff1a;\u8fd9\u662f\u4e00\u4e2a\u6307\u5411\u00a0socklen_t\u00a0\u7c7b\u578b\u7684\u53d8\u91cf\u7684\u6307\u9488&#xff0c;\u7528\u4e8e\u5b58\u50a8\u00a0addr\u00a0\u7ed3\u6784\u7684\u5927\u5c0f\u3002\u5728\u8c03\u7528\u00a0accept\u00a0\u4e4b\u524d&#xff0c;\u5e94\u8be5\u5c06\u8be5\u53d8\u91cf\u7684\u503c\u8bbe\u7f6e\u4e3a\u00a0addr\u00a0\u7ed3\u6784\u7684\u5927\u5c0f\u3002\u5728\u8c03\u7528\u8fd4\u56de\u540e&#xff0c;\u8be5\u53d8\u91cf\u5c06\u5305\u542b\u5b9e\u9645\u8fd4\u56de\u7684\u5730\u5740\u4fe1\u606f\u7684\u957f\u5ea6\u3002\u5982\u679c\u00a0addr\u00a0\u662f\u00a0NULL&#xff0c;\u5219\u8fd9\u4e2a\u53c2\u6570\u4e5f\u53ef\u4ee5\u662f\u00a0NULL\u3002<\/li>\n<\/ul>\n<p>\u8fd4\u56de\u503c<\/p>\n<ul>\n<li>\u6210\u529f\u65f6&#xff0c;accept\u00a0\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u5957\u63a5\u5b57\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;<span style=\"color:#956fe7\">\u7528\u4e8e\u4e0e\u63a5\u53d7\u7684\u8fde\u63a5\u8fdb\u884c\u901a\u4fe1<\/span>\u3002\u8fd9\u4e2a\u65b0\u7684\u5957\u63a5\u5b57\u662f\u539f\u59cb\u76d1\u542c\u5957\u63a5\u5b57\u7684\u5b50\u5957\u63a5\u5b57&#xff0c;\u5b83\u7ee7\u627f\u4e86\u8bb8\u591a\u5c5e\u6027&#xff08;\u5982\u5957\u63a5\u5b57\u9009\u9879&#xff09;&#xff0c;\u4f46\u4e0e\u539f\u59cb\u5957\u63a5\u5b57\u662f\u72ec\u7acb\u7684\u3002<\/li>\n<li>\u5931\u8d25\u65f6&#xff0c;\u8fd4\u56de -1&#xff0c;\u5e76\u8bbe\u7f6e\u00a0errno\u00a0\u4ee5\u6307\u793a\u9519\u8bef\u7c7b\u578b\u3002<\/li>\n<\/ul>\n<p><span style=\"color:#ff9900\">\u56e0\u6b64TcpServer\u7c7b\u7684_sockfd\u5e94\u8be5\u6539\u4e3a_listensockfd&#xff01;&#xff01;&#xff01;<\/span><\/p>\n<p><span style=\"background-color:#38d8f0\">TcpServer\u7c7b<\/span><\/p>\n<p>\/\/ \u9762\u5411\u5b57\u8282\u6d41<br \/>\nclass TcpServer<br \/>\n{<br \/>\npublic:<br \/>\n    TcpServer(uint16_t port &#061; gport):_port(port),_listensockfd(gsockfd),_isrunning(false)<br \/>\n    {}<\/p>\n<p>    void InitServer()<br \/>\n    {<br \/>\n        \/\/ 1.\u521b\u5efasocket<br \/>\n        _listensockfd &#061; ::socket(AF_INET,SOCK_STREAM,0);<br \/>\n        if(_listensockfd &lt; 0)<br \/>\n        {<br \/>\n            LOG(FATAL,&#034;socket create eror\\\\n&#034;);<br \/>\n            exit(SOCKET_ERROR);<br \/>\n        }<br \/>\n        LOG(INFO,&#034;socket create success,sockfd: %d\\\\n&#034;,_listensockfd); \/\/ 3<\/p>\n<p>        struct sockaddr_in local;<br \/>\n        memset(&amp;local,0,sizeof(local));<br \/>\n        local.sin_family &#061; AF_INET;<br \/>\n        local.sin_port &#061; htons(_port);<br \/>\n        local.sin_addr.s_addr &#061; INADDR_ANY;<\/p>\n<p>        \/\/ 2.bind sockfd \u548c socket addr<br \/>\n        if(::bind(_listensockfd,(struct sockaddr*)&amp;local,sizeof(local)) &lt; 0)<br \/>\n        {<br \/>\n            LOG(FATAL,&#034;bind eror\\\\n&#034;);<br \/>\n            exit(BIND_ERROR);<br \/>\n        }<br \/>\n        LOG(INFO,&#034;bind success\\\\n&#034;);<\/p>\n<p>        \/\/ 3.\u56e0\u4e3atcp\u662f\u9762\u5411\u8fde\u63a5\u7684&#xff0c;tcp\u9700\u8981\u672a\u6765\u4e0d\u77ed\u5730\u83b7\u53d6\u8fde\u63a5<br \/>\n        \/\/ \u8001\u677f\u6a21\u5f0f&#xff0c;\u968f\u65f6\u7b49\u5f85\u88ab\u8fde\u63a5<br \/>\n        if(::listen(_listensockfd,gblcklog) &lt; 0)<br \/>\n        {<br \/>\n            LOG(FATAL,&#034;listen eror\\\\n&#034;);<br \/>\n            exit(LISTEN_ERROR);<br \/>\n        }<br \/>\n        LOG(INFO,&#034;listen success\\\\n&#034;);<br \/>\n    }<br \/>\n    ~TcpServer()<br \/>\n    {}<br \/>\nprivate:<br \/>\n    uint16_t _port;<br \/>\n    int _listensockfd;<br \/>\n    bool _isrunning;<br \/>\n}; <\/p>\n<ul>\n<li><span style=\"color:#fe2c24\">2\u3001\u6267\u884c\u670d\u52a1(\u524d\u63d0\u662f\u83b7\u53d6\u5230\u65b0\u8fde\u63a5)<\/span><\/li>\n<\/ul>\n<p><span style=\"color:#ff9900\">\u6267\u884c\u670d\u52a1\u603b\u5171\u6709\u56db\u4e2a\u7248\u672c&#xff01;<\/span><\/p>\n<h4 id=\"2.4.1%E3%80%81Server%200(%E4%B8%8D%E9%9D%A0%E8%B0%B1%E7%89%88%E6%9C%AC)\">2.4.1\u3001Server 0(\u4e0d\u9760\u8c31\u7248\u672c)<\/h4>\n<p>Server 0\u7248\u672c<span style=\"color:#956fe7\">\u76f4\u63a5\u6267\u884c\u957f\u670d\u52a1<\/span>&#xff01;<\/p>\n<p><span style=\"background-color:#38d8f0\">Loop()<\/span><\/p>\n<p>Loop()\u51fd\u6570\u5148\u83b7\u53d6\u65b0\u8fde\u63a5&#xff0c;\u83b7\u53d6\u6210\u529f\u5219\u6267\u884c\u670d\u52a1\u51fd\u6570&#xff01;<\/p>\n<p>void Loop()<br \/>\n{<br \/>\n    _isrunning &#061; true;<br \/>\n    while(_isrunning)<br \/>\n    {<br \/>\n        struct sockaddr_in client;<br \/>\n        socklen_t len &#061; sizeof(client);<br \/>\n        \/\/ 1.\u83b7\u53d6\u65b0\u8fde\u63a5<br \/>\n        int sockfd &#061; ::accept(_listensockfd,(struct sockaddr*)&amp;client,&amp;len);<br \/>\n        \/\/ \u83b7\u53d6\u5931\u8d25\u7ee7\u7eed\u83b7\u53d6<br \/>\n        if(sockfd &lt; 0)<br \/>\n        {<br \/>\n            LOG(WARNING,&#034;sccept reeor\\\\n&#034;);<br \/>\n            continue;<br \/>\n        }<br \/>\n        InetAddr addr(client);<br \/>\n        LOG(INFO,&#034;get a new link,client info: %s,sockfd:%d\\\\n&#034;,addr.AddrStr().c_str(),sockfd); \/\/ 4<\/p>\n<p>        \/\/ \u83b7\u53d6\u6210\u529f<br \/>\n        \/\/ version 0 &#8212; \u4e0d\u9760\u8c31\u7248\u672c<br \/>\n        Server(sockfd,addr);<br \/>\n    }<br \/>\n    _isrunning &#061; false;<br \/>\n} <\/p>\n<p><span style=\"background-color:#38d8f0\">Server()<\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u6ce8\u610f&#xff1a;tcp\u534f\u8bae\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528read&#xff0c;write\u51fd\u6570\u8bfb\u5199\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u5185\u5bb9(\u56e0\u4e3atcp\u662f\u9762\u5411\u5b57\u8282\u6d41\u7684)&#xff01;<\/span><\/p>\n<p>Server()\u6267\u884c\u670d\u52a1&#xff0c;\u5148\u4ece\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e2d\u8bfb\u6570\u636e&#xff0c;\u518d\u5199\u6570\u636e\u5230\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e2d&#xff01;<\/p>\n<p>void Server(int sockfd,InetAddr addr)<br \/>\n{<br \/>\n    \/\/ \u957f\u670d\u52a1<br \/>\n    while(true)<br \/>\n    {<br \/>\n        char inbuffer[1024]; \/\/ \u5f53\u505a\u5b57\u7b26\u4e32<br \/>\n        \/\/ 1.\u8bfb\u6587\u4ef6<br \/>\n        ssize_t n &#061; ::read(sockfd,inbuffer,sizeof(inbuffer) &#8211; 1);<br \/>\n        if(n &gt; 0)<br \/>\n        {<br \/>\n            inbuffer[n] &#061; 0;<br \/>\n            LOG(INFO,&#034;get message from client [%s],message: %s\\\\n&#034;,addr.AddrStr().c_str(),inbuffer);<br \/>\n            std::string echo_string &#061; &#034;[server echo]# &#034;;<br \/>\n            echo_string &#043;&#061; inbuffer;<\/p>\n<p>            \/\/ 2.\u5199\u6587\u4ef6<br \/>\n            write(sockfd,echo_string.c_str(),echo_string.size());<br \/>\n        }<br \/>\n        \/\/ \u8bfb\u5230\u6587\u4ef6\u7ed3\u5c3e<br \/>\n        else if(n &#061;&#061; 0)<br \/>\n        {<br \/>\n            LOG(INFO,&#034;client %s quit\\\\n&#034;,addr.AddrStr().c_str());<br \/>\n            break;<br \/>\n        }<br \/>\n        else<br \/>\n        {<br \/>\n            LOG(ERROR,&#034;read error\\\\n&#034;,addr.AddrStr().c_str());<br \/>\n            break;<br \/>\n        }<br \/>\n    }<br \/>\n    ::close(sockfd);<br \/>\n} <\/p>\n<h4 id=\"2.4.2%E3%80%81Server%201(%E5%A4%9A%E8%BF%9B%E7%A8%8B%E7%89%88%E6%9C%AC)\">2.4.2\u3001Server 1(\u591a\u8fdb\u7a0b\u7248\u672c)<\/h4>\n<p><span style=\"color:#0d0016\">\u591a\u8fdb\u7a0b\u7248\u672c<\/span>\u5373<span style=\"color:#956fe7\">\u521b\u5efa\u5b50\u8fdb\u7a0b&#xff0c;\u8ba9\u5b50\u8fdb\u7a0b\u6267\u884c\u670d\u52a1\u51fd\u6570&#xff0c;\u7236\u8fdb\u7a0b\u56de\u6536\u5b50\u8fdb\u7a0b<\/span>&#xff0c;\u4f46\u662f\u5982\u679c<span style=\"color:#fe2c24\">\u4ee5\u963b\u585e\u7b49\u5f85\u56de\u6536\u5b50\u8fdb\u7a0b\u4f1a\u6709\u4e00\u4e2a\u95ee\u9898&#xff0c;\u5982\u679c\u5b50\u8fdb\u7a0b\u4e00\u76f4\u6ca1\u6709\u9000\u51fa&#xff0c;\u90a3\u4e48\u7236\u8fdb\u7a0b\u4f1a\u4e00\u76f4\u963b\u585e<\/span>&#xff01;\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898&#xff0c;\u6211\u4eec\u53ef\u4ee5<span style=\"color:#ff9900\">\u8ba9\u5b50\u8fdb\u7a0b\u518d\u521b\u5efa\u4e00\u4e2a\u5b59\u5b50\u8fdb\u7a0b&#xff0c;\u8ba9\u5b59\u5b50\u8fdb\u7a0b\u53bb\u6267\u884c\u670d\u52a1\u51fd\u6570&#xff0c;\u5b50\u8fdb\u7a0b\u76f4\u63a5\u9000\u51fa&#xff0c;\u7236\u8fdb\u7a0b\u56de\u6536\u5b50\u8fdb\u7a0b&#xff0c;\u5b59\u5b50\u8fdb\u7a0b\u6b64\u65f6\u4f1a\u6210\u4e3a\u5b64\u513f\u8fdb\u7a0b&#xff0c;\u5b64\u513f\u8fdb\u7a0b\u9000\u51faOS\u4f1a\u81ea\u52a8\u56de\u6536<\/span>&#xff01;<\/p>\n<p>void Loop()<br \/>\n{<br \/>\n    _isrunning &#061; true;<br \/>\n    while(_isrunning)<br \/>\n    {<br \/>\n        struct sockaddr_in client;<br \/>\n        socklen_t len &#061; sizeof(client);<br \/>\n        \/\/ 1.\u83b7\u53d6\u65b0\u8fde\u63a5<br \/>\n        int sockfd &#061; ::accept(_listensockfd,(struct sockaddr*)&amp;client,&amp;len);<br \/>\n        \/\/ \u83b7\u53d6\u5931\u8d25\u7ee7\u7eed\u83b7\u53d6<br \/>\n        if(sockfd &lt; 0)<br \/>\n        {<br \/>\n            LOG(WARNING,&#034;sccept reeor\\\\n&#034;);<br \/>\n            continue;<br \/>\n        }<br \/>\n        InetAddr addr(client);<br \/>\n        LOG(INFO,&#034;get a new link,client info: %s,sockfd:%d\\\\n&#034;,addr.AddrStr().c_str(),sockfd); \/\/ 4<\/p>\n<p>        \/\/ \u83b7\u53d6\u6210\u529f<br \/>\n        \/\/ version 1 &#8212; \u591a\u8fdb\u7a0b\u7248\u672c<br \/>\n        pid_t id &#061; fork();<br \/>\n        if(id &#061;&#061; 0)<br \/>\n        {<br \/>\n            \/\/ child<br \/>\n            ::close(_listensockfd); \/\/ \u5efa\u8bae&#xff01; <\/p>\n<p>            if(fork() &gt; 0) exit(0); \/\/ \u8ba9\u5b59\u5b50\u8fdb\u7a0b\u6267\u884c\u670d\u52a1&#xff0c;\u4fdd\u8bc1\u80fd\u4e0d\u963b\u585e<\/p>\n<p>            Server(sockfd,addr);<br \/>\n            exit(0);<br \/>\n        }<br \/>\n        \/\/ father<br \/>\n        ::close(sockfd); \/\/ \u9632\u6b62\u6587\u4ef6\u63cf\u8ff0\u7b26\u6cc4\u6f0f(\u6253\u5f00\u7684\u4e0d\u5173\u95ed)<br \/>\n        int n &#061; waitpid(id,nullptr,0); \/\/ 0\u963b\u585e\u7b49\u5f85<br \/>\n        if(n &gt; 0)<br \/>\n        {<br \/>\n            LOG(INFO,&#034;wait child success\\\\n&#034;);<br \/>\n        }<br \/>\n    }<br \/>\n    _isrunning &#061; false;<br \/>\n} <\/p>\n<h4 id=\"2.4.3%E3%80%81Server%202(%E5%A4%9A%E7%BA%BF%E7%A8%8B%E7%89%88%E6%9C%AC)\">2.4.3\u3001Server 2(\u591a\u7ebf\u7a0b\u7248\u672c)<\/h4>\n<p><span style=\"color:#0d0016\">\u591a\u7ebf\u7a0b\u7248\u672c<\/span>\u5373<span style=\"color:#956fe7\">\u8ba9\u65b0\u7ebf\u7a0b\u53bb\u6267\u884c\u670d\u52a1\u51fd\u6570<\/span>&#xff0c;\u4f46\u662f<span style=\"color:#fe2c24\">\u4e3b\u7ebf\u7a0b\u9700\u8981\u56de\u6536\u65b0\u7ebf\u7a0b<\/span>&#xff0c;<span style=\"color:#ff9900\">\u4e3a\u4e86\u505a\u5230\u4e3b\u7ebf\u7a0b\u65e0\u9700\u56de\u6536\u65b0\u7ebf\u7a0b&#xff0c;\u53ef\u4ee5\u8ba9\u65b0\u7ebf\u7a0b\u5206\u79bb<\/span>&#xff0c;\u6b64\u65f6\u65e0\u9700\u56de\u6536\u65b0\u7ebf\u7a0b&#xff01;\u8fd8\u6709\u4e00\u4e2a\u95ee\u9898&#xff0c;<span style=\"color:#fe2c24\">\u7c7b\u5185\u7684\u6210\u5458\u51fd\u6570\u6709this\u6307\u9488&#xff0c;\u800c\u65b0\u7ebf\u7a0b\u7684\u51fd\u6570\u53ea\u80fd\u6709\u4e00\u4e2a\u53c2\u6570<\/span>&#xff0c;\u6b64\u65f6\u9700\u8981<span style=\"color:#956fe7\">\u4f7f\u7528\u9759\u6001\u6210\u5458\u51fd\u6570<\/span>&#xff0c;\u4f46\u662f<span style=\"color:#fe2c24\">\u4f7f\u7528\u9759\u6001\u4e4b\u540e\u8fd8\u6709\u4e00\u4e2a\u95ee\u9898&#xff0c;\u4e0d\u80fd\u770b\u5230\u7c7b\u5185\u7684\u6210\u5458<\/span>&#xff0c;\u6b64\u5904\u53ef\u4ee5<span style=\"color:#ff9900\">\u4f7f\u7528\u5730\u5740\u4f20\u53c2<\/span>&#xff0c;\u5c06\u4e00\u4e2a<span style=\"color:#38d8f0\">\u5305\u542bsockfd&#xff0c;TcpServer\u7c7b\u7684\u6307\u9488\u548cInetAddr\u7c7b\u7684<\/span> \u6210\u5458\u53d8\u91cf\u7684\u5730\u5740\u4f20\u5165&#xff01;<\/p>\n<p><span style=\"background-color:#38d8f0\">\u5185\u90e8\u7c7b<\/span><\/p>\n<p>\/\/ \u5185\u90e8\u7c7b<br \/>\nclass ThreadData<br \/>\n{<br \/>\npublic:<br \/>\n    int _sockfd;<br \/>\n    TcpServer* _self;<br \/>\n    InetAddr _addr;<br \/>\npublic:<br \/>\n    ThreadData(int sockfd,TcpServer* self,const InetAddr &amp;addr)<br \/>\n        :_sockfd(sockfd),_self(self),_addr(addr)<br \/>\n    {}<br \/>\n}; <\/p>\n<p><span style=\"background-color:#38d8f0\">Loop()<\/span><\/p>\n<p>void Loop()<br \/>\n{<br \/>\n    _isrunning &#061; true;<br \/>\n    while(_isrunning)<br \/>\n    {<br \/>\n        struct sockaddr_in client;<br \/>\n        socklen_t len &#061; sizeof(client);<br \/>\n        \/\/ 1.\u83b7\u53d6\u65b0\u8fde\u63a5<br \/>\n        int sockfd &#061; ::accept(_listensockfd,(struct sockaddr*)&amp;client,&amp;len);<br \/>\n        \/\/ \u83b7\u53d6\u5931\u8d25\u7ee7\u7eed\u83b7\u53d6<br \/>\n        if(sockfd &lt; 0)<br \/>\n        {<br \/>\n            LOG(WARNING,&#034;sccept reeor\\\\n&#034;);<br \/>\n            continue;<br \/>\n        }<br \/>\n        InetAddr addr(client);<br \/>\n        LOG(INFO,&#034;get a new link,client info: %s,sockfd:%d\\\\n&#034;,addr.AddrStr().c_str(),sockfd); \/\/ 4<\/p>\n<p>        \/\/ \u83b7\u53d6\u6210\u529f<br \/>\n        \/\/ version 2 &#8212; \u591a\u7ebf\u7a0b\u7248 &#8212; \u4e0d\u80fd\u5173\u95edfd\u4e86&#xff0c;\u4e5f\u4e0d\u9700\u8981<br \/>\n        pthread_t tid;<br \/>\n        ThreadData *td &#061; new ThreadData(sockfd, this,addr);<br \/>\n        pthread_create(&amp;tid,nullptr,Execute,td); \/\/ \u65b0\u7ebf\u7a0b\u5206\u79bb<br \/>\n    }<br \/>\n    _isrunning &#061; false;<br \/>\n} <\/p>\n<p><span style=\"background-color:#38d8f0\">\u65b0\u7ebf\u7a0b\u6267\u884c\u51fd\u6570<\/span><\/p>\n<p>\/\/ \u65e0\u6cd5\u8c03\u7528\u7c7b\u5185\u6210\u5458 \u65e0\u6cd5\u770b\u5230sockfd<br \/>\nstatic void *Execute(void *args)<br \/>\n{<br \/>\n    ThreadData *td &#061; static_cast&lt;ThreadData *&gt;(args);<br \/>\n    pthread_detach(pthread_self()); \/\/ \u5206\u79bb\u65b0\u7ebf\u7a0b&#xff0c;\u65e0\u9700\u4e3b\u7ebf\u7a0b\u56de\u6536<br \/>\n    td-&gt;_self-&gt;Server(td-&gt;_sockfd,td-&gt;_addr);<br \/>\n    delete td;<br \/>\n    return nullptr;<br \/>\n} <\/p>\n<h4 id=\"2.4.4%E3%80%81Server%202(%E7%BA%BF%E7%A8%8B%E6%B1%A0%E7%89%88%E6%9C%AC)\">2.4.4\u3001Server 3(\u7ebf\u7a0b\u6c60\u7248\u672c)<\/h4>\n<p><span style=\"color:#0d0016\">\u7ebf\u7a0b\u6c60\u7248\u672c<\/span>\u5373 <span style=\"color:#956fe7\">\u5c06\u6267\u884c\u670d\u52a1\u7684\u51fd\u6570\u5165\u7ebf\u7a0b\u6c60\u961f\u5217<\/span>&#xff0c;\u8be5<span style=\"color:#fe2c24\">\u51fd\u6570\u9700\u8981\u662f\u53c2\u6570\u4e3a\u7a7a\u548c\u8fd4\u56de\u503c\u4e3avoid\u7684\u51fd\u6570<\/span>&#xff0c;\u56e0<span style=\"color:#ff9900\">\u6b64\u9700\u8981bind\u7ed1\u5b9a\u51fd\u6570<\/span>&#xff01;<\/p>\n<p><span style=\"background-color:#38d8f0\">\u58f0\u660e\u51fd\u6570\u7c7b\u578b<\/span><\/p>\n<p>using task_t &#061; std::function&lt;void()&gt;; <\/p>\n<p><span style=\"background-color:#38d8f0\">Loop()<\/span><\/p>\n<p>void Loop()<br \/>\n{<br \/>\n    _isrunning &#061; true;<br \/>\n    while(_isrunning)<br \/>\n    {<br \/>\n        struct sockaddr_in client;<br \/>\n        socklen_t len &#061; sizeof(client);<br \/>\n        \/\/ 1.\u83b7\u53d6\u65b0\u8fde\u63a5<br \/>\n        int sockfd &#061; ::accept(_listensockfd,(struct sockaddr*)&amp;client,&amp;len);<br \/>\n        \/\/ \u83b7\u53d6\u5931\u8d25\u7ee7\u7eed\u83b7\u53d6<br \/>\n        if(sockfd &lt; 0)<br \/>\n        {<br \/>\n            LOG(WARNING,&#034;sccept reeor\\\\n&#034;);<br \/>\n            continue;<br \/>\n        }<br \/>\n        InetAddr addr(client);<br \/>\n        LOG(INFO,&#034;get a new link,client info: %s,sockfd:%d\\\\n&#034;,addr.AddrStr().c_str(),sockfd); \/\/ 4<\/p>\n<p>        \/\/ \u83b7\u53d6\u6210\u529f<br \/>\n        \/\/ version 3 &#8212; \u7ebf\u7a0b\u6c60\u7248\u672c<br \/>\n        task_t t &#061; std::bind(&amp;TcpServer::Server,this,sockfd,addr);<br \/>\n        ThreadPool&lt;task_t&gt;::GetInstance()-&gt;Equeue(t);<br \/>\n    }<br \/>\n    _isrunning &#061; false;<br \/>\n} <\/p>\n<h2 id=\"3%E3%80%81TcpClientMain.cc\">3\u3001TcpClientMain.cc<\/h2>\n<p><span style=\"color:#0d0016\">\u5ba2\u6237\u7aef\u4e3b\u51fd\u6570<\/span>\u4e3b\u8981<span style=\"color:#956fe7\">\u5b9e\u73b0\u5411\u670d\u52a1\u7aef\u53d1\u9001\u6d88\u606f<\/span>\u7684\u529f\u80fd&#xff0c;\u8c03\u7528\u4e3b\u51fd\u6570\u4f7f\u7528<span style=\"color:#ff9900\">\u8be5\u53ef\u6267\u884c\u7a0b\u5e8f &#043; IP &#043; \u7aef\u53e3\u53f7<\/span>&#xff01;<\/p>\n<p>\u4e3b\u51fd\u6570\u4e3b\u8981\u5206\u4e3a\u56db\u6b65&#xff1a;<\/p>\n<ul>\n<li><span style=\"color:#fe2c24\">1\u3001<\/span>\u521b\u5efasocket(\u4e0e\u670d\u52a1\u7aef\u4e00\u6837)<\/li>\n<li><span style=\"color:#fe2c24\">2\u3001<\/span>\u4e0e\u670d\u52a1\u7aef\u5efa\u7acb\u8fde\u63a5(\u4f7f\u7528connect[<span style=\"color:#956fe7\">\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u5efa\u7acbTCP\u8fde\u63a5<\/span>])<\/li>\n<\/ul>\n<p><span style=\"background-color:#38d8f0\">connect()<\/span><\/p>\n<p>#include &lt;sys\/types.h&gt;          \/* See NOTES *\/<br \/>\n#include &lt;sys\/socket.h&gt;<\/p>\n<p>int connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen); <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"149\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419024706-68030eaa1cf15.png\" width=\"1200\" \/><\/p>\n<p>\u53c2\u6570<\/p>\n<ul>\n<li>sockfd&#xff1a;\u8fd9\u662f\u4e00\u4e2a\u7531socket\u51fd\u6570\u8fd4\u56de\u7684\u5957\u63a5\u5b57\u63cf\u8ff0\u7b26\u3002<\/li>\n<li>addr&#xff1a;\u8fd9\u662f\u4e00\u4e2a\u6307\u5411sockaddr\u7ed3\u6784\u7684\u6307\u9488&#xff0c;\u5b83<span style=\"color:#956fe7\">\u5305\u542b\u4e86\u76ee\u6807\u670d\u52a1\u5668\u7684\u5730\u5740\u548c\u7aef\u53e3\u4fe1\u606f<\/span>\u3002\u5bf9\u4e8eIPv4\u5730\u5740&#xff0c;\u901a\u5e38\u4f7f\u7528sockaddr_in\u7ed3\u6784&#xff1b;\u5bf9\u4e8eIPv6\u5730\u5740&#xff0c;\u4f7f\u7528sockaddr_in6\u7ed3\u6784\u3002<\/li>\n<li>addrlen&#xff1a;\u8fd9\u662faddr\u53c2\u6570\u7684\u957f\u5ea6&#xff0c;\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u3002\u5bf9\u4e8esockaddr_in&#xff0c;\u5b83\u901a\u5e38\u662fsizeof(struct sockaddr_in)&#xff1b;\u5bf9\u4e8esockaddr_in6&#xff0c;\u5b83\u901a\u5e38\u662fsizeof(struct sockaddr_in6)\u3002<\/li>\n<\/ul>\n<p>\u8fd4\u56de\u503c<\/p>\n<ul>\n<li>\u6210\u529f\u65f6&#xff0c;connect\u8fd4\u56de0\u3002<\/li>\n<li>\u5931\u8d25\u65f6&#xff0c;\u8fd4\u56de-1&#xff0c;\u5e76\u8bbe\u7f6eerrno\u4ee5\u6307\u793a\u9519\u8bef\u7c7b\u578b\u3002<\/li>\n<\/ul>\n<ul>\n<li><span style=\"color:#fe2c24\">3\u3001<\/span>\u53d1\u9001\u6d88\u606f<\/li>\n<li><span style=\"color:#fe2c24\">4\u3001<\/span>\u5173\u95edsocket<\/li>\n<\/ul>\n<p>\/\/ .\/tcpclient server-ip server-ip<br \/>\nint main(int argc,char* argv[])<br \/>\n{<br \/>\n    if(argc !&#061; 3)<br \/>\n    {<br \/>\n        std::cerr &lt;&lt; &#034;Usage: &#034; &lt;&lt; argv[0] &lt;&lt; &#034; server-ip server-port&#034; &lt;&lt; std::endl;<br \/>\n        exit(0);<br \/>\n    }<br \/>\n    std::string serverip &#061; argv[1];<br \/>\n    uint16_t serverport &#061; std::stoi(argv[2]);<\/p>\n<p>    \/\/ 1.\u521b\u5efasocket<br \/>\n    int sockfd &#061; ::socket(AF_INET,SOCK_STREAM,0);<br \/>\n    if(sockfd &lt; 0)<br \/>\n    {<br \/>\n        std::cerr &lt;&lt; &#034;create socket error&#034; &lt;&lt; std::endl;<br \/>\n        exit(1);<br \/>\n    }<\/p>\n<p>    \/\/ \u4e0d\u9700\u8981\u663e\u793a\u7684bind&#xff0c;\u4f46\u662f\u4e00\u5b9a\u8981\u6709\u81ea\u5df1\u7684IP\u548cport&#xff0c;\u9700\u8981\u9690\u5f0f\u7684\u7ed1\u5b9a(OS\u7528\u81ea\u5df1\u7684IP\u548c\u968f\u673a\u7aef\u53e3\u53f7)<br \/>\n    \/\/ \u4ec0\u4e48\u65f6\u5019\u8fdb\u884cbind? If the connection or binding succeeds<br \/>\n    struct sockaddr_in server;<br \/>\n    memset(&amp;server,0,sizeof(server));<br \/>\n    server.sin_family &#061; AF_INET;<br \/>\n    server.sin_port &#061; htons(serverport);<br \/>\n    \/\/ server.sin_addr.s_addr &#061;<br \/>\n    ::inet_pton(AF_INET,serverip.c_str(),&amp;server.sin_addr);<\/p>\n<p>    \/\/ 2.\u4e0e\u670d\u52a1\u7aef\u5efa\u7acb\u8fde\u63a5<br \/>\n    int n &#061; ::connect(sockfd,(struct sockaddr*)&amp;server,sizeof(server));<br \/>\n    \/\/ \u4e5f\u53ef\u4ee5\u91cd\u8fde<br \/>\n    if(n &lt; 0)<br \/>\n    {<br \/>\n        std::cerr &lt;&lt; &#034;connect socket error&#034; &lt;&lt; std::endl;<br \/>\n        exit(2);<br \/>\n    }<\/p>\n<p>    \/\/ 3.\u53d1\u9001\u6d88\u606f<br \/>\n    while(true)<br \/>\n    {<br \/>\n        std::string message;<br \/>\n        std::cout &lt;&lt; &#034;Enter#&#034;;<br \/>\n        std::getline(std::cin,message);<\/p>\n<p>        write(sockfd,message.c_str(),message.size());<br \/>\n        char echo_buffer[1024];<br \/>\n        n &#061; read(sockfd,echo_buffer,sizeof(echo_buffer));<br \/>\n        if(n &gt; 0)<br \/>\n        {<br \/>\n            echo_buffer[n] &#061; 0;<br \/>\n            std::cout &lt;&lt; echo_buffer &lt;&lt; std::endl;<br \/>\n        }<br \/>\n        else<br \/>\n        {<br \/>\n            break;<br \/>\n        }<br \/>\n    }<\/p>\n<p>    \/\/ 4.\u5173\u95edsocket<br \/>\n    ::close(sockfd);<br \/>\n    return 0;<br \/>\n} <\/p>\n<h2 id=\"4%E3%80%81%E6%B5%8B%E8%AF%95%E7%BB%93%E6%9E%9C\">4\u3001\u6d4b\u8bd5\u7ed3\u679c<\/h2>\n<h3 id=\"4.1%E3%80%81%E4%B8%8D%E9%9D%A0%E8%B0%B1%E7%89%88%E6%9C%AC\">4.1\u3001\u4e0d\u9760\u8c31\u7248\u672c<\/h3>\n<p>\u8be5\u7248\u672c\u662f\u4e00\u4e2a\u53ea\u80fd\u6267\u884c\u4e00\u4e2a\u5ba2\u6237\u7aef\u7684\u7248\u672c&#xff0c;\u56e0\u6b64\u79f0\u4e3a\u4e0d\u9760\u8c31\u7248\u672c&#xff01;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"785\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419024706-68030eaa51977.png\" width=\"1200\" \/><\/p>\n<h3 id=\"4.2%E3%80%81%E5%A4%9A%E8%BF%9B%E7%A8%8B%E7%89%88%E6%9C%AC\">4.2\u3001\u591a\u8fdb\u7a0b\u7248\u672c<\/h3>\n<p>\u8be5\u7248\u672c\u662f\u4e00\u4e2a\u80fd\u6267\u884c\u591a\u5ba2\u6237\u7aef\u7684\u7248\u672c&#xff0c;\u4f46\u662f\u521b\u5efa\u8fdb\u7a0b\u7684\u5f00\u9500\u6bd4\u8f83\u5927&#xff0c;\u4e5f\u4e0d\u662f\u5f88\u5b8c\u7f8e&#xff01;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"837\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419024706-68030eaae5979.png\" width=\"1200\" \/><\/p>\n<h3 id=\"4.3%E3%80%81%E5%A4%9A%E7%BA%BF%E7%A8%8B%E7%89%88%E6%9C%AC\">4.3\u3001\u591a\u7ebf\u7a0b\u7248\u672c<\/h3>\n<p>\u8be5\u7248\u672c\u662f\u4e00\u4e2a\u80fd\u6267\u884c\u591a\u5ba2\u6237\u7aef\u7684\u7248\u672c&#xff0c;\u76f8\u6bd4\u4e0e\u591a\u8fdb\u7a0b\u7248\u672c\u6548\u679c\u4f1a\u66f4\u597d&#xff0c;\u56e0\u4e3a\u521b\u5efa\u7ebf\u7a0b\u7684\u5f00\u9500\u6bd4\u8fdb\u7a0b\u66f4\u5c11&#xff01;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"782\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419024707-68030eab8d80b.png\" width=\"1200\" \/><\/p>\n<h3 id=\"4.4%E3%80%81%E7%BA%BF%E7%A8%8B%E6%B1%A0%E7%89%88%E6%9C%AC\">4.4\u3001\u7ebf\u7a0b\u6c60\u7248\u672c<\/h3>\n<p>\u8be5\u7248\u672c\u662f\u4e00\u4e2a\u80fd\u6267\u884c\u591a\u5ba2\u6237\u7aef\u7684\u7248\u672c&#xff0c;\u4e0e\u7ebf\u7a0b\u6c60\u7248\u672c\u5dee\u4e0d\u592a\u591a&#xff0c;\u6b64\u5904\u53ea\u662f\u4f7f\u7528\u4ee5\u524d\u5b9e\u73b0\u7684\u7ebf\u7a0b\u6c60&#xff01;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"1011\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419024708-68030eac2b066.png\" width=\"1200\" \/><\/p>\n<h2 id=\"5%E3%80%81%E5%AE%8C%E6%95%B4%E4%BB%A3%E7%A0%81\">5\u3001\u5b8c\u6574\u4ee3\u7801<\/h2>\n<p>\u524d\u9762\u4e00\u5f39\u5c31\u6709\u4e14\u6ca1\u6709\u4fee\u6539\u7684\u4ee3\u7801\u6b64\u5904\u5c31\u6ca1\u6709\u518d\u653e\u4e0a\u6765\u4e86&#xff01;<\/p>\n<h3 id=\"5.1%E3%80%81Makefile\">5.1\u3001Makefile<\/h3>\n<p>.PHONY:all<br \/>\nall:tcpserver tcpclient<\/p>\n<p>tcpserver:TcpServerMain.cc<br \/>\ng&#043;&#043; -o $&#064; $^ -std&#061;c&#043;&#043;14<\/p>\n<p>tcpclient:TcpClientMain.cc<br \/>\ng&#043;&#043; -o $&#064; $^ -std&#061;c&#043;&#043;14<\/p>\n<p>.PHONY:clean<br \/>\nclean:<br \/>\nrm -rf tcpserver tcpclient <\/p>\n<h3 id=\"5.2%E3%80%81TcpClientMain.cc\">5.2\u3001TcpClientMain.cc<\/h3>\n<p>#include &lt;iostream&gt;<br \/>\n#include &lt;cstring&gt;<br \/>\n#include &lt;unistd.h&gt;<br \/>\n#include &lt;sys\/types.h&gt;<br \/>\n#include &lt;sys\/socket.h&gt;<br \/>\n#include &lt;netinet\/in.h&gt;<br \/>\n#include &lt;arpa\/inet.h&gt;<\/p>\n<p>\/\/ .\/tcpclient server-ip server-ip<br \/>\nint main(int argc,char* argv[])<br \/>\n{<br \/>\n    if(argc !&#061; 3)<br \/>\n    {<br \/>\n        std::cerr &lt;&lt; &#034;Usage: &#034; &lt;&lt; argv[0] &lt;&lt; &#034; server-ip server-port&#034; &lt;&lt; std::endl;<br \/>\n        exit(0);<br \/>\n    }<br \/>\n    std::string serverip &#061; argv[1];<br \/>\n    uint16_t serverport &#061; std::stoi(argv[2]);<\/p>\n<p>    \/\/ 1.\u521b\u5efasocket<br \/>\n    int sockfd &#061; ::socket(AF_INET,SOCK_STREAM,0);<br \/>\n    if(sockfd &lt; 0)<br \/>\n    {<br \/>\n        std::cerr &lt;&lt; &#034;create socket error&#034; &lt;&lt; std::endl;<br \/>\n        exit(1);<br \/>\n    }<\/p>\n<p>    \/\/ \u4e0d\u9700\u8981\u663e\u793a\u7684bind&#xff0c;\u4f46\u662f\u4e00\u5b9a\u8981\u6709\u81ea\u5df1\u7684IP\u548cport&#xff0c;\u9700\u8981\u9690\u5f0f\u7684\u7ed1\u5b9a(OS\u7528\u81ea\u5df1\u7684IP\u548c\u968f\u673a\u7aef\u53e3\u53f7)<br \/>\n    \/\/ \u4ec0\u4e48\u65f6\u5019\u8fdb\u884cbind? If the connection or binding succeeds<br \/>\n    struct sockaddr_in server;<br \/>\n    memset(&amp;server,0,sizeof(server));<br \/>\n    server.sin_family &#061; AF_INET;<br \/>\n    server.sin_port &#061; htons(serverport);<br \/>\n    \/\/ server.sin_addr.s_addr &#061;<br \/>\n    ::inet_pton(AF_INET,serverip.c_str(),&amp;server.sin_addr);<\/p>\n<p>    \/\/ 2.\u4e0e\u670d\u52a1\u7aef\u5efa\u7acb\u8fde\u63a5<br \/>\n    int n &#061; ::connect(sockfd,(struct sockaddr*)&amp;server,sizeof(server));<br \/>\n    \/\/ \u4e5f\u53ef\u4ee5\u91cd\u8fde<br \/>\n    if(n &lt; 0)<br \/>\n    {<br \/>\n        std::cerr &lt;&lt; &#034;connect socket error&#034; &lt;&lt; std::endl;<br \/>\n        exit(2);<br \/>\n    }<\/p>\n<p>    \/\/ 3.\u53d1\u9001\u6d88\u606f<br \/>\n    while(true)<br \/>\n    {<br \/>\n        std::string message;<br \/>\n        std::cout &lt;&lt; &#034;Enter#&#034;;<br \/>\n        std::getline(std::cin,message);<\/p>\n<p>        write(sockfd,message.c_str(),message.size());<br \/>\n        char echo_buffer[1024];<br \/>\n        n &#061; read(sockfd,echo_buffer,sizeof(echo_buffer));<br \/>\n        if(n &gt; 0)<br \/>\n        {<br \/>\n            echo_buffer[n] &#061; 0;<br \/>\n            std::cout &lt;&lt; echo_buffer &lt;&lt; std::endl;<br \/>\n        }<br \/>\n        else<br \/>\n        {<br \/>\n            break;<br \/>\n        }<br \/>\n    }<\/p>\n<p>    \/\/ 4.\u5173\u95edsocket<br \/>\n    ::close(sockfd);<br \/>\n    return 0;<br \/>\n} <\/p>\n<h3 id=\"5.3%E3%80%81TcpServer.hpp\">5.3\u3001TcpServer.hpp<\/h3>\n<p>#pragma once<br \/>\n#include &lt;iostream&gt;<br \/>\n#include &lt;functional&gt;<br \/>\n#include &lt;cstring&gt;<br \/>\n#include &lt;unistd.h&gt;<br \/>\n#include &lt;sys\/types.h&gt;<br \/>\n#include &lt;sys\/socket.h&gt;<br \/>\n#include &lt;netinet\/in.h&gt;<br \/>\n#include &lt;arpa\/inet.h&gt;<br \/>\n#include &lt;sys\/wait.h&gt;<br \/>\n#include &lt;pthread.h&gt;<br \/>\n#include &#034;Log.hpp&#034;<br \/>\n#include &#034;InetAddr.hpp&#034;<br \/>\n#include &#034;ThreadPool.hpp&#034;<\/p>\n<p>using namespace log_ns;<\/p>\n<p>enum<br \/>\n{<br \/>\n    SOCKET_ERROR,<br \/>\n    BIND_ERROR,<br \/>\n    LISTEN_ERROR<br \/>\n};<\/p>\n<p>const static uint16_t gport &#061; 8888;<br \/>\nconst static int gsockfd &#061; -1;<br \/>\nconst static int gblcklog &#061; 8;<\/p>\n<p>using task_t &#061; std::function&lt;void()&gt;;<\/p>\n<p>\/\/ \u9762\u5411\u5b57\u8282\u6d41<br \/>\nclass TcpServer<br \/>\n{<br \/>\npublic:<br \/>\n    \/\/ _sockfd \u7248\u672c<br \/>\n    \/\/ TcpServer(uint16_t port &#061; gport):_port(port),_sockfd(gsockfd),_isrunning(false)<br \/>\n    \/\/ {}<\/p>\n<p>    TcpServer(uint16_t port &#061; gport):_port(port),_listensockfd(gsockfd),_isrunning(false)<br \/>\n    {}<\/p>\n<p>    \/\/ _sockfd \u7248\u672c<br \/>\n    \/\/ void InitServer()<br \/>\n    \/\/ {<br \/>\n    \/\/     \/\/ 1.\u521b\u5efasocket<br \/>\n    \/\/     _sockfd &#061; ::socket(AF_INET,SOCK_STREAM,0);<br \/>\n    \/\/     if(_sockfd &lt; 0)<br \/>\n    \/\/     {<br \/>\n    \/\/         LOG(FATAL,&#034;socket create eror\\\\n&#034;);<br \/>\n    \/\/         exit(SOCKET_ERROR);<br \/>\n    \/\/     }<br \/>\n    \/\/     LOG(INFO,&#034;socket create success,sockfd: %d\\\\n&#034;,_sockfd); \/\/ 3<\/p>\n<p>    \/\/     struct sockaddr_in local;<br \/>\n    \/\/     memset(&amp;local,0,sizeof(local));<br \/>\n    \/\/     local.sin_family &#061; AF_INET;<br \/>\n    \/\/     local.sin_port &#061; htons(_port);<br \/>\n    \/\/     local.sin_addr.s_addr &#061; INADDR_ANY;<\/p>\n<p>    \/\/     \/\/ 2.bind sockfd \u548c socket addr<br \/>\n    \/\/     if(::bind(_sockfd,(struct sockaddr*)&amp;local,sizeof(local)) &lt; 0)<br \/>\n    \/\/     {<br \/>\n    \/\/         LOG(FATAL,&#034;bind eror\\\\n&#034;);<br \/>\n    \/\/         exit(BIND_ERROR);<br \/>\n    \/\/     }<br \/>\n    \/\/     LOG(INFO,&#034;bind success\\\\n&#034;);<\/p>\n<p>    \/\/     \/\/ 3.\u56e0\u4e3atcp\u662f\u9762\u5411\u8fde\u63a5\u7684&#xff0c;tcp\u9700\u8981\u672a\u6765\u4e0d\u77ed\u5730\u83b7\u53d6\u8fde\u63a5<br \/>\n    \/\/     \/\/ \u8001\u677f\u6a21\u5f0f&#xff0c;\u968f\u65f6\u7b49\u5f85\u88ab\u8fde\u63a5<br \/>\n    \/\/     if(::listen(_sockfd,gblcklog) &lt; 0)<br \/>\n    \/\/     {<br \/>\n    \/\/         LOG(FATAL,&#034;listen eror\\\\n&#034;);<br \/>\n    \/\/         exit(LISTEN_ERROR);<br \/>\n    \/\/     }<br \/>\n    \/\/     LOG(INFO,&#034;listen success\\\\n&#034;);<br \/>\n    \/\/ }<\/p>\n<p>    void InitServer()<br \/>\n    {<br \/>\n        \/\/ 1.\u521b\u5efasocket<br \/>\n        _listensockfd &#061; ::socket(AF_INET,SOCK_STREAM,0);<br \/>\n        if(_listensockfd &lt; 0)<br \/>\n        {<br \/>\n            LOG(FATAL,&#034;socket create eror\\\\n&#034;);<br \/>\n            exit(SOCKET_ERROR);<br \/>\n        }<br \/>\n        LOG(INFO,&#034;socket create success,sockfd: %d\\\\n&#034;,_listensockfd); \/\/ 3<\/p>\n<p>        struct sockaddr_in local;<br \/>\n        memset(&amp;local,0,sizeof(local));<br \/>\n        local.sin_family &#061; AF_INET;<br \/>\n        local.sin_port &#061; htons(_port);<br \/>\n        local.sin_addr.s_addr &#061; INADDR_ANY;<\/p>\n<p>        \/\/ 2.bind sockfd \u548c socket addr<br \/>\n        if(::bind(_listensockfd,(struct sockaddr*)&amp;local,sizeof(local)) &lt; 0)<br \/>\n        {<br \/>\n            LOG(FATAL,&#034;bind eror\\\\n&#034;);<br \/>\n            exit(BIND_ERROR);<br \/>\n        }<br \/>\n        LOG(INFO,&#034;bind success\\\\n&#034;);<\/p>\n<p>        \/\/ 3.\u56e0\u4e3atcp\u662f\u9762\u5411\u8fde\u63a5\u7684&#xff0c;tcp\u9700\u8981\u672a\u6765\u4e0d\u77ed\u5730\u83b7\u53d6\u8fde\u63a5<br \/>\n        \/\/ \u8001\u677f\u6a21\u5f0f&#xff0c;\u968f\u65f6\u7b49\u5f85\u88ab\u8fde\u63a5<br \/>\n        if(::listen(_listensockfd,gblcklog) &lt; 0)<br \/>\n        {<br \/>\n            LOG(FATAL,&#034;listen eror\\\\n&#034;);<br \/>\n            exit(LISTEN_ERROR);<br \/>\n        }<br \/>\n        LOG(INFO,&#034;listen success\\\\n&#034;);<br \/>\n    }<br \/>\n    \/\/ \u5185\u90e8\u7c7b<br \/>\n    class ThreadData<br \/>\n    {<br \/>\n    public:<br \/>\n        int _sockfd;<br \/>\n        TcpServer* _self;<br \/>\n        InetAddr _addr;<br \/>\n    public:<br \/>\n        ThreadData(int sockfd,TcpServer* self,const InetAddr &amp;addr)<br \/>\n            :_sockfd(sockfd),_self(self),_addr(addr)<br \/>\n        {}<br \/>\n    };<br \/>\n    \/\/ \u6d4b\u8bd5<br \/>\n    \/\/ void Loop()<br \/>\n    \/\/ {<br \/>\n    \/\/     _isrunning &#061; true;<br \/>\n    \/\/     while(_isrunning)<br \/>\n    \/\/     {<br \/>\n    \/\/         sleep(1);<br \/>\n    \/\/     }<br \/>\n    \/\/     _isrunning &#061; false;<br \/>\n    \/\/ }<br \/>\n    void Loop()<br \/>\n    {<br \/>\n        _isrunning &#061; true;<br \/>\n        while(_isrunning)<br \/>\n        {<br \/>\n            struct sockaddr_in client;<br \/>\n            socklen_t len &#061; sizeof(client);<br \/>\n            \/\/ 1.\u83b7\u53d6\u65b0\u8fde\u63a5<br \/>\n            int sockfd &#061; ::accept(_listensockfd,(struct sockaddr*)&amp;client,&amp;len);<br \/>\n            \/\/ \u83b7\u53d6\u5931\u8d25\u7ee7\u7eed\u83b7\u53d6<br \/>\n            if(sockfd &lt; 0)<br \/>\n            {<br \/>\n                LOG(WARNING,&#034;sccept reeor\\\\n&#034;);<br \/>\n                continue;<br \/>\n            }<br \/>\n            InetAddr addr(client);<br \/>\n            LOG(INFO,&#034;get a new link,client info: %s,sockfd:%d\\\\n&#034;,addr.AddrStr().c_str(),sockfd); \/\/ 4<\/p>\n<p>            \/\/ \u83b7\u53d6\u6210\u529f<br \/>\n            \/\/ version 0 &#8212; \u4e0d\u9760\u8c31\u7248\u672c<br \/>\n            \/\/ Server(sockfd,addr);<\/p>\n<p>            \/\/ version 1 &#8212; \u591a\u8fdb\u7a0b\u7248\u672c<br \/>\n            \/\/ pid_t id &#061; fork();<br \/>\n            \/\/ if(id &#061;&#061; 0)<br \/>\n            \/\/ {<br \/>\n            \/\/     \/\/ child<br \/>\n            \/\/     ::close(_listensockfd); \/\/ \u5efa\u8bae&#xff01; <\/p>\n<p>            \/\/     if(fork() &gt; 0) exit(0); \/\/ \u8ba9\u5b59\u5b50\u8fdb\u7a0b\u6267\u884c\u670d\u52a1&#xff0c;\u4fdd\u8bc1\u80fd\u4e0d\u963b\u585e<\/p>\n<p>            \/\/     Server(sockfd,addr);<br \/>\n            \/\/     exit(0);<br \/>\n            \/\/ }<br \/>\n            \/\/ \/\/ father<br \/>\n            \/\/ ::close(sockfd); \/\/ \u9632\u6b62\u6587\u4ef6\u63cf\u8ff0\u7b26\u6cc4\u6f0f(\u6253\u5f00\u7684\u4e0d\u5173\u95ed)<br \/>\n            \/\/ int n &#061; waitpid(id,nullptr,0); \/\/ 0\u963b\u585e\u7b49\u5f85<br \/>\n            \/\/ if(n &gt; 0)<br \/>\n            \/\/ {<br \/>\n            \/\/     LOG(INFO,&#034;wait child success\\\\n&#034;);<br \/>\n            \/\/ }<\/p>\n<p>            \/\/ version 2 &#8212; \u591a\u7ebf\u7a0b\u7248 &#8212; \u4e0d\u80fd\u5173\u95edfd\u4e86&#xff0c;\u4e5f\u4e0d\u9700\u8981<br \/>\n            \/\/ pthread_t tid;<br \/>\n            \/\/ ThreadData *td &#061; new ThreadData(sockfd, this,addr);<br \/>\n            \/\/ pthread_create(&amp;tid,nullptr,Execute,td); \/\/ \u65b0\u7ebf\u7a0b\u5206\u79bb<\/p>\n<p>            \/\/ version 3 &#8212; \u7ebf\u7a0b\u6c60\u7248\u672c<br \/>\n            task_t t &#061; std::bind(&amp;TcpServer::Server,this,sockfd,addr);<br \/>\n            ThreadPool&lt;task_t&gt;::GetInstance()-&gt;Equeue(t);<br \/>\n        }<br \/>\n        _isrunning &#061; false;<br \/>\n    }<br \/>\n    \/\/ \u65e0\u6cd5\u8c03\u7528\u7c7b\u5185\u6210\u5458 \u65e0\u6cd5\u770b\u5230sockfd<br \/>\n    static void *Execute(void *args)<br \/>\n    {<br \/>\n        ThreadData *td &#061; static_cast&lt;ThreadData *&gt;(args);<br \/>\n        pthread_detach(pthread_self()); \/\/ \u5206\u79bb\u65b0\u7ebf\u7a0b&#xff0c;\u65e0\u9700\u4e3b\u7ebf\u7a0b\u56de\u6536<br \/>\n        td-&gt;_self-&gt;Server(td-&gt;_sockfd,td-&gt;_addr);<br \/>\n        delete td;<br \/>\n        return nullptr;<br \/>\n    }<br \/>\n    void Server(int sockfd,InetAddr addr)<br \/>\n    {<br \/>\n        \/\/ \u957f\u670d\u52a1<br \/>\n        while(true)<br \/>\n        {<br \/>\n            char inbuffer[1024]; \/\/ \u5f53\u505a\u5b57\u7b26\u4e32<br \/>\n            \/\/ 1.\u8bfb\u6587\u4ef6<br \/>\n            ssize_t n &#061; ::read(sockfd,inbuffer,sizeof(inbuffer) &#8211; 1);<br \/>\n            if(n &gt; 0)<br \/>\n            {<br \/>\n                inbuffer[n] &#061; 0;<br \/>\n                LOG(INFO,&#034;get message from client [%s],message: %s\\\\n&#034;,addr.AddrStr().c_str(),inbuffer);<br \/>\n                std::string echo_string &#061; &#034;[server echo]# &#034;;<br \/>\n                echo_string &#043;&#061; inbuffer;<\/p>\n<p>                \/\/ 2.\u5199\u6587\u4ef6<br \/>\n                write(sockfd,echo_string.c_str(),echo_string.size());<br \/>\n            }<br \/>\n            \/\/ \u8bfb\u5230\u6587\u4ef6\u7ed3\u5c3e<br \/>\n            else if(n &#061;&#061; 0)<br \/>\n            {<br \/>\n                LOG(INFO,&#034;client %s quit\\\\n&#034;,addr.AddrStr().c_str());<br \/>\n                break;<br \/>\n            }<br \/>\n            else<br \/>\n            {<br \/>\n                LOG(ERROR,&#034;read error\\\\n&#034;,addr.AddrStr().c_str());<br \/>\n                break;<br \/>\n            }<br \/>\n        }<br \/>\n        ::close(sockfd);<br \/>\n    }<br \/>\n    ~TcpServer()<br \/>\n    {}<br \/>\nprivate:<br \/>\n    uint16_t _port;<br \/>\n    \/\/ int _sockfd; \/\/ TODO<br \/>\n    int _listensockfd;<br \/>\n    bool _isrunning;<br \/>\n}; <\/p>\n<h3 id=\"5.4%E3%80%81TcpServerMain.cc\">5.4\u3001TcpServerMain.cc<\/h3>\n<p>#include &#034;TcpServer.hpp&#034;<br \/>\n#include &lt;memory&gt;<\/p>\n<p>\/\/ .\/tcpserver 8888<br \/>\nint main(int argc,char* argv[])<br \/>\n{<br \/>\n    if(argc !&#061; 2)<br \/>\n    {<br \/>\n        std::cerr &lt;&lt; &#034;Usage: &#034; &lt;&lt; argv[0] &lt;&lt; &#034; local-post&#034; &lt;&lt; std::endl;<br \/>\n        exit(0);<br \/>\n    }<\/p>\n<p>    uint16_t port &#061; std::stoi(argv[1]);<\/p>\n<p>    std::unique_ptr&lt;TcpServer&gt; tsvr &#061; std::make_unique&lt;TcpServer&gt;(port);<\/p>\n<p>    tsvr-&gt;InitServer();<br \/>\n    tsvr-&gt;Loop();<br \/>\n    return 0;<br \/>\n} <\/p>\n<p><span style=\"color:#fe2c24\">\u6ce8\u610f&#xff1a;\u7ebf\u7a0b\u6c60\u53ea\u9700\u5c06\u5168\u5c40\u53d8\u91cfgdefaultnum\u6539\u4e3a10\u5373\u53ef&#xff01;<\/span><\/p>\n<p>static const int gdefaultnum &#061; 10; \/\/ \u9ed8\u8ba4\u521b\u5efa10\u4e2a\u7ebf\u7a0b 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c++<\/p>\n","protected":false},"author":2,"featured_media":24793,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,174,58,192,205,43,78,44],"topic":[],"class_list":{"0":"post-24802","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-server","8":"tag-c","10":"tag-linux","12":"tag-tcp-ip","13":"tag-43","14":"tag-78","15":"tag-44"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010Linux\u7f51\u7edc\u7f16\u7a0b\u3011\u7b2c\u516d\u5f39-\u6784\u5efaTCP\u670d\u52a1\u5668\uff1a\u4ece\u57fa\u7840\u5230\u7ebf\u7a0b\u6c60\u7248\u672c\u7684\u5b9e\u73b0\u4e0e\u6d4b\u8bd5\u8be6\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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