{"id":43031,"date":"2025-06-10T16:36:27","date_gmt":"2025-06-10T08:36:27","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/43031.html"},"modified":"2025-06-10T16:36:27","modified_gmt":"2025-06-10T08:36:27","slug":"%e3%80%90%e8%ae%a1%e7%ae%97%e6%9c%ba%e7%bd%91%e7%bb%9c%e3%80%91linux%e4%b8%8b%e7%ae%80%e5%8d%95%e7%9a%84tcp%e6%9c%8d%e5%8a%a1%e5%99%a8%ef%bc%88%e8%b6%85%e8%af%a6%e7%bb%86%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/43031.html","title":{"rendered":"\u3010\u8ba1\u7b97\u673a\u7f51\u7edc\u3011Linux\u4e0b\u7b80\u5355\u7684TCP\u670d\u52a1\u5668\uff08\u8d85\u8be6\u7ec6\uff09"},"content":{"rendered":"<h2>\u670d\u52a1\u7aef<\/h2>\n<h3>\u521b\u5efa\u5957\u63a5\u5b57<\/h3>\n<p>&#x1f4bb;\u6211\u4eec\u5c06TCP\u670d\u52a1\u5668\u5c01\u88c5\u6210\u4e00\u4e2a\u7c7b&#xff0c;\u5f53\u6211\u4eec\u5b9a\u4e49\u51fa\u4e00\u4e2a\u670d\u52a1\u5668\u5bf9\u8c61\u540e\u9700\u8981\u9a6c\u4e0a\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u521d\u59cb\u5316&#xff0c;\u800c\u521d\u59cb\u5316TCP\u670d\u52a1\u5668\u8981\u505a\u7684\u7b2c\u4e00\u4ef6\u4e8b\u5c31\u662f\u521b\u5efa\u5957\u63a5\u5b57\u3002<\/p>\n<p>TCP\u670d\u52a1\u5668\u5728\u8c03\u7528socket\u51fd\u6570\u521b\u5efa\u5957\u63a5\u5b57\u65f6&#xff0c;\u53c2\u6570\u8bbe\u7f6e\u5982\u4e0b&#xff1a;<\/p>\n<ul>\n<li>\u534f\u8bae\u5bb6\u65cf\u9009\u62e9AF_INET&#xff0c;\u56e0\u4e3a\u6211\u4eec\u8981\u8fdb\u884c\u7684\u662f\u7f51\u7edc\u901a\u4fe1\u3002<\/li>\n<li>\u521b\u5efa\u5957\u63a5\u5b57\u65f6\u6240\u9700\u7684\u670d\u52a1\u7c7b\u578b\u5e94\u8be5\u662fSOCK_STREAM&#xff0c;\u56e0\u4e3a\u6211\u4eec\u7f16\u5199\u7684\u662fTCP\u670d\u52a1\u5668&#xff0c;SOCK_STREAM\u63d0\u4f9b\u7684\u5c31\u662f\u4e00\u4e2a\u6709\u5e8f\u7684\u3001\u53ef\u9760\u7684\u3001\u5168\u53cc\u5de5\u7684\u3001\u57fa\u4e8e\u8fde\u63a5\u7684\u6d41\u5f0f\u670d\u52a1\u3002<\/li>\n<li>\u534f\u8bae\u7c7b\u578b\u9ed8\u8ba4\u8bbe\u7f6e\u4e3a0\u5373\u53ef\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u521b\u5efa\u5957\u63a5\u5b57\u540e\u83b7\u5f97\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u662f\u5c0f\u4e8e0\u7684&#xff0c;\u8bf4\u660e\u5957\u63a5\u5b57\u521b\u5efa\u5931\u8d25&#xff0c;\u6b64\u65f6\u4e5f\u5c31\u6ca1\u5fc5\u8981\u8fdb\u884c\u540e\u7eed\u64cd\u4f5c\u4e86&#xff0c;\u76f4\u63a5\u7ec8\u6b62\u7a0b\u5e8f\u5373\u53ef\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdint.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;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;memory&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstring&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TcpServer<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">InitServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u521b\u5efa\u5957\u63a5\u5b57<\/span><br \/>\n        _sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span>SOCK_STREAM<span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;socket error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_sockfd <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _sockfd<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5957\u63a5\u5b57<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u8bf4\u660e\u4e00\u4e0b&#xff1a;<\/p>\n<ul>\n<li>\u5b9e\u9645TCP\u670d\u52a1\u5668\u521b\u5efa\u5957\u63a5\u5b57\u7684\u505a\u6cd5\u4e0eUDP\u670d\u52a1\u5668\u662f\u4e00\u6837\u7684&#xff0c;\u53ea\u4e0d\u8fc7\u521b\u5efa\u5957\u63a5\u5b57\u65f6TCP\u9700\u8981\u7684\u662f\u6d41\u5f0f\u670d\u52a1&#xff0c;\u800cUDP\u9700\u8981\u7684\u662f\u7528\u6237\u6570\u636e\u62a5\u670d\u52a1\u3002<\/li>\n<li>\u5f53\u6790\u6784\u670d\u52a1\u5668\u65f6&#xff0c;\u53ef\u4ee5\u5c06\u670d\u52a1\u5668\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u8fdb\u884c\u5173\u95ed\u3002<\/li>\n<\/ul>\n<h3>\u7ed1\u5b9a<\/h3>\n<ul>\n<li>\u5b9a\u4e49\u4e00\u4e2astruct sockaddr_in\u7ed3\u6784\u4f53&#xff0c;\u5c06\u670d\u52a1\u5668\u7f51\u7edc\u76f8\u5173\u7684\u5c5e\u6027\u4fe1\u606f\u586b\u5145\u5230\u8be5\u7ed3\u6784\u4f53\u5f53\u4e2d&#xff0c;\u6bd4\u5982\u534f\u8bae\u5bb6\u65cf\u3001IP\u5730\u5740\u3001\u7aef\u53e3\u53f7\u7b49\u3002<\/li>\n<li>\u586b\u5145\u670d\u52a1\u5668\u7f51\u7edc\u76f8\u5173\u7684\u5c5e\u6027\u4fe1\u606f\u65f6&#xff0c;\u534f\u8bae\u5bb6\u65cf\u5bf9\u5e94\u5c31\u662fAF_INET&#xff0c;\u7aef\u53e3\u53f7\u5c31\u662f\u5f53\u524dTCP\u670d\u52a1\u5668\u7a0b\u5e8f\u7684\u7aef\u53e3\u53f7\u3002\u5728\u8bbe\u7f6e\u7aef\u53e3\u53f7\u65f6&#xff0c;\u9700\u8981\u8c03\u7528htons\u51fd\u6570\u5c06\u7aef\u53e3\u53f7\u7531\u4e3b\u673a\u5e8f\u5217\u8f6c\u4e3a\u7f51\u7edc\u5e8f\u5217\u3002<\/li>\n<li>\u5728\u8bbe\u7f6e\u670d\u52a1\u5668\u7684IP\u5730\u5740\u65f6&#xff0c;\u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u672c\u5730\u73af\u56de127.0.0.1&#xff0c;\u8868\u793a\u672c\u5730\u901a\u4fe1\u3002\u4e5f\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u516c\u7f51IP\u5730\u5740&#xff0c;\u8868\u793a\u7f51\u7edc\u901a\u4fe1\u3002<\/li>\n<li>\u5982\u679c\u4f7f\u7528\u7684\u662f\u4e91\u670d\u52a1\u5668&#xff0c;\u90a3\u4e48\u5728\u8bbe\u7f6e\u670d\u52a1\u5668\u7684IP\u5730\u5740\u65f6&#xff0c;\u4e0d\u9700\u8981\u663e\u793a\u7ed1\u5b9aIP\u5730\u5740&#xff0c;\u76f4\u63a5\u5c06IP\u5730\u5740\u8bbe\u7f6e\u4e3aINADDR_ANY\u5373\u53ef&#xff0c;\u6b64\u65f6\u670d\u52a1\u5668\u5c31\u53ef\u4ee5\u4ece\u672c\u5730\u4efb\u4f55\u4e00\u5f20\u7f51\u5361\u5f53\u4e2d\u8bfb\u53d6\u6570\u636e\u3002\u6b64\u5916&#xff0c;\u7531\u4e8eINADDR_ANY\u672c\u8d28\u5c31\u662f0&#xff0c;\u56e0\u6b64\u5728\u8bbe\u7f6e\u65f6\u4e0d\u9700\u8981\u8fdb\u884c\u7f51\u7edc\u5b57\u8282\u5e8f\u7684\u8f6c\u6362\u3002<\/li>\n<li>\u586b\u5145\u5b8c\u670d\u52a1\u5668\u7f51\u7edc\u76f8\u5173\u7684\u5c5e\u6027\u4fe1\u606f\u540e&#xff0c;\u9700\u8981\u8c03\u7528bind\u51fd\u6570\u8fdb\u884c\u7ed1\u5b9a\u3002\u7ed1\u5b9a\u5b9e\u9645\u5c31\u662f\u5c06\u6587\u4ef6\u4e0e\u7f51\u7edc\u5173\u8054\u8d77\u6765&#xff0c;\u5982\u679c\u7ed1\u5b9a\u5931\u8d25\u4e5f\u6ca1\u5fc5\u8981\u8fdb\u884c\u540e\u7eed\u64cd\u4f5c\u4e86&#xff0c;\u76f4\u63a5\u7ec8\u6b62\u7a0b\u5e8f\u5373\u53ef\u3002<\/li>\n<\/ul>\n<p>\u7531\u4e8eTCP\u670d\u52a1\u5668\u521d\u59cb\u5316\u65f6\u9700\u8981\u670d\u52a1\u5668\u7684\u7aef\u53e3\u53f7&#xff0c;\u56e0\u6b64\u5728\u670d\u52a1\u5668\u7c7b\u5f53\u4e2d\u9700\u8981\u5f15\u5165\u7aef\u53e3\u53f7&#xff0c;\u5f53\u5b9e\u4f8b\u5316\u670d\u52a1\u5668\u5bf9\u8c61\u65f6\u5c31\u9700\u8981\u7ed9\u4f20\u5165\u4e00\u4e2a\u7aef\u53e3\u53f7\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdint.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;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;memory&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstring&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TcpServer<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span><span class=\"token function\">_sockfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">InitServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u521b\u5efa\u5957\u63a5\u5b57<\/span><br \/>\n        _sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span>SOCK_STREAM<span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;socket error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u7ed1\u5b9a<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> local<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span><span class=\"token char\">&#039;\\\\0&#039;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> INADDR_ANY<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;bind error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_sockfd <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _sockfd<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5957\u63a5\u5b57<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _port<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u7aef\u53e3\u53f7<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5f53\u5b9a\u4e49\u597dstruct sockaddr_in\u7ed3\u6784\u4f53\u540e&#xff0c;\u6700\u597d\u5148\u7528memset\u51fd\u6570\u5bf9\u8be5\u7ed3\u6784\u4f53\u8fdb\u884c\u6e05\u7a7a&#xff0c;\u4e5f\u53ef\u4ee5\u7528bzero\u51fd\u6570\u8fdb\u884c\u6e05\u7a7a\u3002bzero\u51fd\u6570\u4e5f\u53ef\u4ee5\u5bf9\u7279\u5b9a\u7684\u4e00\u5757\u5185\u5b58\u533a\u57df\u8fdb\u884c\u6e05\u7a7a&#xff0c;bzero\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b&#xff1a;<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">bzero<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>s<span class=\"token punctuation\">,<\/span> size_t n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u8bf4\u660e\u4e00\u4e0b&#xff1a;<\/p>\n<ul>\n<li>TCP\u670d\u52a1\u5668\u7ed1\u5b9a\u65f6\u7684\u6b65\u9aa4\u4e0eUDP\u670d\u52a1\u5668\u662f\u5b8c\u5168\u4e00\u6837\u7684&#xff0c;\u6ca1\u6709\u4efb\u4f55\u533a\u522b\u3002<\/li>\n<\/ul>\n<h3>\u76d1\u542c<\/h3>\n<p>UDP\u670d\u52a1\u5668\u7684\u521d\u59cb\u5316\u64cd\u4f5c\u53ea\u6709\u4e24\u6b65&#xff0c;\u7b2c\u4e00\u6b65\u5c31\u662f\u521b\u5efa\u5957\u63a5\u5b57&#xff0c;\u7b2c\u4e8c\u6b65\u5c31\u662f\u7ed1\u5b9a\u3002\u800cTCP\u670d\u52a1\u5668\u662f\u9762\u5411\u8fde\u63a5\u7684&#xff0c;\u5ba2\u6237\u7aef\u5728\u6b63\u5f0f\u5411TCP\u670d\u52a1\u5668\u53d1\u9001\u6570\u636e\u4e4b\u524d&#xff0c;\u9700\u8981\u5148\u4e0eTCP\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5&#xff0c;\u7136\u540e\u624d\u80fd\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n<p>\u56e0\u6b64TCP\u670d\u52a1\u5668\u9700\u8981\u65f6\u523b\u6ce8\u610f\u662f\u5426\u6709\u5ba2\u6237\u7aef\u53d1\u6765\u8fde\u63a5\u8bf7\u6c42&#xff0c;\u6b64\u65f6\u5c31\u9700\u8981\u5c06TCP\u670d\u52a1\u5668\u521b\u5efa\u7684\u5957\u63a5\u5b57\u8bbe\u7f6e\u4e3a\u76d1\u542c\u72b6\u6001\u3002<\/p>\n<p>&#x1f4bb;listen\u51fd\u6570<\/p>\n<p>\u8bbe\u7f6e\u5957\u63a5\u5b57\u4e3a\u76d1\u542c\u72b6\u6001\u7684\u51fd\u6570\u53eb\u505alisten&#xff0c;\u8be5\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b&#xff1a;<\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sockfd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> backlog<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u53c2\u6570\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>sockfd&#xff1a;\u9700\u8981\u8bbe\u7f6e\u4e3a\u76d1\u542c\u72b6\u6001\u7684\u5957\u63a5\u5b57\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002<\/li>\n<li>backlog&#xff1a;\u5168\u8fde\u63a5\u961f\u5217\u7684\u6700\u5927\u957f\u5ea6\u3002\u5982\u679c\u6709\u591a\u4e2a\u5ba2\u6237\u7aef\u540c\u65f6\u53d1\u6765\u8fde\u63a5\u8bf7\u6c42&#xff0c;\u6b64\u65f6\u672a\u88ab\u670d\u52a1\u5668\u5904\u7406\u7684\u8fde\u63a5\u5c31\u4f1a\u653e\u5165\u8fde\u63a5\u961f\u5217&#xff0c;\u8be5\u53c2\u6570\u4ee3\u8868\u7684\u5c31\u662f\u8fd9\u4e2a\u5168\u8fde\u63a5\u961f\u5217\u7684\u6700\u5927\u957f\u5ea6&#xff0c;\u4e00\u822c\u4e0d\u8981\u8bbe\u7f6e\u592a\u5927&#xff0c;\u8bbe\u7f6e\u4e3a5\u621610\u5373\u53ef\u3002<\/li>\n<\/ul>\n<p>\u8fd4\u56de\u503c\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>\u76d1\u542c\u6210\u529f\u8fd4\u56de0&#xff0c;\u76d1\u542c\u5931\u8d25\u8fd4\u56de-1&#xff0c;\u540c\u65f6\u9519\u8bef\u7801\u4f1a\u88ab\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n<p>TCP\u670d\u52a1\u5668\u5728\u521b\u5efa\u5b8c\u5957\u63a5\u5b57\u548c\u7ed1\u5b9a\u540e&#xff0c;\u9700\u8981\u518d\u8fdb\u4e00\u6b65\u5c06\u5957\u63a5\u5b57\u8bbe\u7f6e\u4e3a\u76d1\u542c\u72b6\u6001&#xff0c;\u76d1\u542c\u662f\u5426\u6709\u65b0\u7684\u8fde\u63a5\u5230\u6765\u3002\u5982\u679c\u76d1\u542c\u5931\u8d25\u4e5f\u6ca1\u5fc5\u8981\u8fdb\u884c\u540e\u7eed\u64cd\u4f5c\u4e86&#xff0c;\u56e0\u4e3a\u76d1\u542c\u5931\u8d25\u4e5f\u5c31\u610f\u5473\u7740TCP\u670d\u52a1\u5668\u65e0\u6cd5\u63a5\u6536\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u8fde\u63a5\u8bf7\u6c42&#xff0c;\u56e0\u6b64\u76d1\u542c\u5931\u8d25\u6211\u4eec\u76f4\u63a5\u7ec8\u6b62\u7a0b\u5e8f\u5373\u53ef\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdint.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;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;memory&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstring&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> BACKLOG <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TcpServer<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span><span class=\"token function\">_listen_sockfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">InitServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u521b\u5efa\u5957\u63a5\u5b57<\/span><br \/>\n        _listen_sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span>SOCK_STREAM<span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;socket error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u7ed1\u5b9a<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> local<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span><span class=\"token char\">&#039;\\\\0&#039;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> INADDR_ANY<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;bind error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u76d1\u542c<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">,<\/span>BACKLOG<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;listen error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/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><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _listen_sockfd<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5957\u63a5\u5b57<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _port<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u7aef\u53e3\u53f7<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u8bf4\u660e\u4e00\u4e0b&#xff1a;<\/p>\n<ul>\n<li>\u521d\u59cb\u5316TCP\u670d\u52a1\u5668\u65f6\u521b\u5efa\u7684\u5957\u63a5\u5b57\u5e76\u4e0d\u662f\u666e\u901a\u7684\u5957\u63a5\u5b57&#xff0c;\u800c\u5e94\u8be5\u53eb\u505a\u76d1\u542c\u5957\u63a5\u5b57\u3002\u4e3a\u4e86\u8868\u660e\u5bd3\u610f&#xff0c;\u6211\u4eec\u5c06\u4ee3\u7801\u4e2d\u5957\u63a5\u5b57\u7684\u540d\u5b57\u7531sock\u6539\u4e3alisten socket\u3002<\/li>\n<li>\u5728\u521d\u59cb\u5316TCP\u670d\u52a1\u5668\u65f6&#xff0c;\u53ea\u6709\u521b\u5efa\u5957\u63a5\u5b57\u6210\u529f\u3001\u7ed1\u5b9a\u6210\u529f\u3001\u76d1\u542c\u6210\u529f&#xff0c;\u6b64\u65f6TCP\u670d\u52a1\u5668\u7684\u521d\u59cb\u5316\u624d\u7b97\u5b8c\u6210\u3002<\/li>\n<\/ul>\n<h3>\u83b7\u53d6\u8fde\u63a5<\/h3>\n<p>TCP\u670d\u52a1\u5668\u521d\u59cb\u5316\u540e\u5c31\u53ef\u4ee5\u5f00\u59cb\u8fd0\u884c\u4e86&#xff0c;\u4f46TCP\u670d\u52a1\u5668\u5728\u4e0e\u5ba2\u6237\u7aef\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\u4e4b\u524d&#xff0c;\u670d\u52a1\u5668\u9700\u8981\u5148\u83b7\u53d6\u5230\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42\u3002<\/p>\n<p>&#x1f4bb;accept\u51fd\u6570<\/p>\n<p>\u83b7\u53d6\u8fde\u63a5\u7684\u51fd\u6570\u53eb\u505aaccept&#xff0c;\u8be5\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b&#xff1a;<\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sockfd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span>addr<span class=\"token punctuation\">,<\/span> socklen_t <span class=\"token operator\">*<\/span>addrlen<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u53c2\u6570\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>sockfd&#xff1a;\u7279\u5b9a\u7684\u76d1\u542c\u5957\u63a5\u5b57&#xff0c;\u8868\u793a\u4ece\u8be5\u76d1\u542c\u5957\u63a5\u5b57\u4e2d\u83b7\u53d6\u8fde\u63a5\u3002<\/li>\n<li>addr&#xff1a;\u5bf9\u7aef\u7f51\u7edc\u76f8\u5173\u7684\u5c5e\u6027\u4fe1\u606f&#xff0c;\u5305\u62ec\u534f\u8bae\u5bb6\u65cf\u3001IP\u5730\u5740\u3001\u7aef\u53e3\u53f7\u7b49\u3002<\/li>\n<li>addrlen&#xff1a;\u8c03\u7528\u65f6\u4f20\u5165\u671f\u671b\u8bfb\u53d6\u7684addr\u7ed3\u6784\u4f53\u7684\u957f\u5ea6&#xff0c;\u8fd4\u56de\u65f6\u4ee3\u8868\u5b9e\u9645\u8bfb\u53d6\u5230\u7684addr\u7ed3\u6784\u4f53\u7684\u957f\u5ea6&#xff0c;\u8fd9\u662f\u4e00\u4e2a\u8f93\u5165\u8f93\u51fa\u578b\u53c2\u6570\u3002<\/li>\n<\/ul>\n<p>\u8fd4\u56de\u503c\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>\u83b7\u53d6\u8fde\u63a5\u6210\u529f\u8fd4\u56de\u63a5\u6536\u5230\u7684\u5957\u63a5\u5b57\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u83b7\u53d6\u8fde\u63a5\u5931\u8d25\u8fd4\u56de-1&#xff0c;\u540c\u65f6\u9519\u8bef\u7801\u4f1a\u88ab\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n<p>&#x1f4bb;accept\u51fd\u6570\u8fd4\u56de\u7684\u5957\u63a5\u5b57\u662f\u4ec0\u4e48&#xff1f;<\/p>\n<p>\u8c03\u7528accept\u51fd\u6570\u83b7\u53d6\u8fde\u63a5\u65f6&#xff0c;\u662f\u4ece\u76d1\u542c\u5957\u63a5\u5b57\u5f53\u4e2d\u83b7\u53d6\u7684\u3002\u5982\u679caccept\u51fd\u6570\u83b7\u53d6\u8fde\u63a5\u6210\u529f&#xff0c;\u6b64\u65f6\u4f1a\u8fd4\u56de\u63a5\u6536\u5230\u7684\u5957\u63a5\u5b57\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002<\/p>\n<p>\u76d1\u542c\u5957\u63a5\u5b57\u4e0eaccept\u51fd\u6570\u8fd4\u56de\u7684\u5957\u63a5\u5b57\u7684\u4f5c\u7528&#xff1a;<\/p>\n<ul>\n<li>\u76d1\u542c\u5957\u63a5\u5b57&#xff1a;\u7528\u4e8e\u83b7\u53d6\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u8fde\u63a5\u8bf7\u6c42\u3002accept\u51fd\u6570\u4f1a\u4e0d\u65ad\u4ece\u76d1\u542c\u5957\u63a5\u5b57\u5f53\u4e2d\u83b7\u53d6\u65b0\u8fde\u63a5\u3002<\/li>\n<li>accept\u51fd\u6570\u8fd4\u56de\u7684\u5957\u63a5\u5b57&#xff1a;\u7528\u4e8e\u4e3a\u672c\u6b21accept\u83b7\u53d6\u5230\u7684\u8fde\u63a5\u63d0\u4f9b\u670d\u52a1\u3002\u76d1\u542c\u5957\u63a5\u5b57\u7684\u4efb\u52a1\u53ea\u662f\u4e0d\u65ad\u83b7\u53d6\u65b0\u8fde\u63a5&#xff0c;\u800c\u771f\u6b63\u4e3a\u8fd9\u4e9b\u8fde\u63a5\u63d0\u4f9b\u670d\u52a1\u7684\u5957\u63a5\u5b57\u662faccept\u51fd\u6570\u8fd4\u56de\u7684\u5957\u63a5\u5b57&#xff0c;\u800c\u4e0d\u662f\u76d1\u542c\u5957\u63a5\u5b57\u3002<\/li>\n<\/ul>\n<p>\u670d\u52a1\u7aef\u5728\u83b7\u53d6\u8fde\u63a5\u65f6\u9700\u8981\u6ce8\u610f&#xff1a;<\/p>\n<ul>\n<li>accept\u51fd\u6570\u83b7\u53d6\u8fde\u63a5\u65f6\u53ef\u80fd\u4f1a\u5931\u8d25&#xff0c;\u4f46TCP\u670d\u52a1\u5668\u4e0d\u4f1a\u56e0\u4e3a\u83b7\u53d6\u67d0\u4e2a\u8fde\u63a5\u5931\u8d25\u800c\u9000\u51fa&#xff0c;\u56e0\u6b64\u670d\u52a1\u7aef\u83b7\u53d6\u8fde\u63a5\u5931\u8d25\u540e\u5e94\u8be5\u7ee7\u7eed\u83b7\u53d6\u8fde\u63a5\u3002<\/li>\n<li>\u5982\u679c\u8981\u5c06\u83b7\u53d6\u5230\u7684\u8fde\u63a5\u5bf9\u5e94\u5ba2\u6237\u7aef\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u4fe1\u606f\u8fdb\u884c\u8f93\u51fa&#xff0c;\u9700\u8981\u8c03\u7528inet_ntoa\u51fd\u6570\u5c06\u6574\u6570IP\u8f6c\u6362\u6210\u5b57\u7b26\u4e32IP&#xff0c;\u8c03\u7528ntohs\u51fd\u6570\u5c06\u7aef\u53e3\u53f7\u7531\u7f51\u7edc\u5e8f\u5217\u8f6c\u6362\u6210\u4e3b\u673a\u5e8f\u5217\u3002<\/li>\n<li>inet_ntoa\u51fd\u6570\u5728\u5e95\u5c42\u5b9e\u9645\u505a\u4e86\u4e24\u4e2a\u5de5\u4f5c&#xff0c;\u4e00\u662f\u5c06\u7f51\u7edc\u5e8f\u5217\u8f6c\u6362\u6210\u4e3b\u673a\u5e8f\u5217&#xff0c;\u4e8c\u662f\u5c06\u4e3b\u673a\u5e8f\u5217\u7684\u6574\u6570IP\u8f6c\u6362\u6210\u5b57\u7b26\u4e32\u98ce\u683c\u7684\u70b9\u5206\u5341\u8fdb\u5236\u7684IP\u3002<\/li>\n<\/ul>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdint.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;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;memory&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstring&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> BACKLOG <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TcpServer<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span><span class=\"token function\">_listen_sockfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u83b7\u53d6\u8fde\u63a5 <\/span><br \/>\n            <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> peer<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">bzero<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;accept error,continue&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            std<span class=\"token double-colon punctuation\">::<\/span>string client_ip <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_ntoa<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> client_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ntohs<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;get a new link -&gt; &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> sockfd <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;[&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_ip <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;]:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_port <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">InitServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u521b\u5efa\u5957\u63a5\u5b57<\/span><br \/>\n        _listen_sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span>SOCK_STREAM<span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;socket error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u7ed1\u5b9a<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> local<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span><span class=\"token char\">&#039;\\\\0&#039;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> INADDR_ANY<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;bind error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u76d1\u542c<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">,<\/span>BACKLOG<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;listen error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/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><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _listen_sockfd<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5957\u63a5\u5b57<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _port<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u7aef\u53e3\u53f7<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>&#x1f4bb;\u670d\u52a1\u7aef\u63a5\u6536\u8fde\u63a5\u6d4b\u8bd5<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u505a\u4e00\u4e0b\u7b80\u5355\u7684\u6d4b\u8bd5&#xff0c;\u770b\u770b\u5f53\u524d\u670d\u52a1\u5668\u80fd\u5426\u6210\u529f\u63a5\u6536\u8bf7\u6c42\u8fde\u63a5\u3002\u5728\u8fd0\u884c\u670d\u52a1\u7aef\u65f6\u9700\u8981\u4f20\u5165\u4e00\u4e2a\u7aef\u53e3\u53f7\u4f5c\u4e3a\u670d\u52a1\u7aef\u7684\u7aef\u53e3\u53f7&#xff0c;\u7136\u540e\u6211\u4eec\u7528\u8be5\u7aef\u53e3\u53f7\u6784\u9020\u4e00\u4e2a\u670d\u52a1\u7aef\u5bf9\u8c61&#xff0c;\u5bf9\u670d\u52a1\u7aef\u8fdb\u884c\u521d\u59cb\u5316\u540e\u542f\u52a8\u670d\u52a1\u7aef\u5373\u53ef\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;tcpserver.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> argc<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">char<\/span><span class=\"token operator\">*<\/span> argv<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>argc <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Usage: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; port&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">int<\/span> port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">atoi<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    TcpServer<span class=\"token operator\">*<\/span> svr <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    svr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">InitServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    svr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7f16\u8bd1\u4ee3\u7801\u540e&#xff0c;\u4ee5.\/server \u7aef\u53e3\u53f7\u7684\u65b9\u5f0f\u8fd0\u884c\u670d\u52a1\u7aef\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610083622-6847ee866abab.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> 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alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u867d\u7136\u73b0\u5728\u8fd8\u6ca1\u6709\u7f16\u5199\u5ba2\u6237\u7aef\u76f8\u5173\u7684\u4ee3\u7801&#xff0c;\u4f46\u662f\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528telnet\u547d\u4ee4\u8fdc\u7a0b\u767b\u5f55\u5230\u8be5\u670d\u52a1\u5668&#xff0c;\u56e0\u4e3atelnet\u5e95\u5c42\u5b9e\u9645\u91c7\u7528\u7684\u5c31\u662fTCP\u534f\u8bae\u3002<\/p>\n<p>\u4f7f\u7528telnet\u547d\u4ee4\u8fde\u63a5\u5f53\u524dTCP\u670d\u52a1\u5668\u540e\u53ef\u4ee5\u770b\u5230&#xff0c;\u6b64\u65f6\u670d\u52a1\u5668\u63a5\u6536\u5230\u4e86\u4e00\u4e2a\u8fde\u63a5&#xff0c;\u4e3a\u8be5\u8fde\u63a5\u63d0\u4f9b\u670d\u52a1\u7684\u5957\u63a5\u5b57\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u5c31\u662f4\u3002\u56e0\u4e3a0\u30011\u30012\u662f\u9ed8\u8ba4\u6253\u5f00\u7684&#xff0c;\u5176\u5206\u522b\u5bf9\u5e94\u6807\u51c6\u8f93\u5165\u6d41\u3001\u6807\u51c6\u8f93\u51fa\u6d41\u548c\u6807\u51c6\u9519\u8bef\u6d41&#xff0c;\u800c3\u53f7\u6587\u4ef6\u63cf\u8ff0\u7b26\u5728\u521d\u59cb\u5316\u670d\u52a1\u5668\u65f6\u5206\u914d\u7ed9\u4e86\u76d1\u542c\u5957\u63a5\u5b57&#xff0c;\u56e0\u6b64\u5f53\u7b2c\u4e00\u4e2a\u5ba2\u6237\u7aef\u53d1\u8d77\u8fde\u63a5\u8bf7\u6c42\u65f6&#xff0c;\u4e3a\u8be5\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u7684\u5957\u63a5\u5b57\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u5c31\u662f4\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610083622-6847ee86c2a6f.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610083622-6847ee86d7405.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5982\u679c\u6b64\u65f6\u6211\u4eec\u518d\u7528\u5176\u4ed6\u7a97\u53e3\u7ee7\u7eed\u4f7f\u7528telnet\u547d\u4ee4&#xff0c;\u5411\u8be5TCP\u670d\u52a1\u5668\u53d1\u8d77\u8bf7\u6c42\u8fde\u63a5&#xff0c;\u6b64\u65f6\u4e3a\u8be5\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u7684\u5957\u63a5\u5b57\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u5c31\u662f5\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610083623-6847ee87024d4.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> 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\u8bf4\u660e\u4e00\u4e0b&#xff1a;<\/p>\n<ul>\n<li>\u81f3\u4e8e\u8fd9\u91cc\u4e3a\u4ec0\u4e48\u6d4f\u89c8\u5668\u4e00\u6b21\u4f1a\u5411\u6211\u4eec\u7684TCP\u670d\u52a1\u5668\u53d1\u8d77\u4e24\u6b21\u8bf7\u6c42\u8fd9\u4e2a\u95ee\u9898&#xff0c;\u8fd9\u91cc\u5c31\u4e0d\u4f5c\u8ba8\u8bba\u4e86&#xff0c;\u6211\u4eec\u53ea\u662f\u8981\u8bc1\u660e\u5f53\u524dTCP\u670d\u52a1\u5668\u80fd\u591f\u6b63\u5e38\u63a5\u6536\u5916\u90e8\u7684\u8bf7\u6c42\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<h3>\u5904\u7406\u8bf7\u6c42<\/h3>\n<p>\u73b0\u5728TCP\u670d\u52a1\u5668\u5df2\u7ecf\u80fd\u591f\u83b7\u53d6\u8fde\u63a5\u8bf7\u6c42\u4e86&#xff0c;\u4e0b\u9762\u5f53\u7136\u5c31\u662f\u8981\u5bf9\u83b7\u53d6\u5230\u7684\u8fde\u63a5\u8fdb\u884c\u5904\u7406\u3002\u4f46\u6b64\u65f6\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u7684\u4e0d\u662f\u76d1\u542c\u5957\u63a5\u5b57&#xff0c;\u56e0\u4e3a\u76d1\u542c\u5957\u63a5\u5b57\u83b7\u53d6\u5230\u4e00\u4e2a\u8fde\u63a5\u540e\u4f1a\u7ee7\u7eed\u83b7\u53d6\u4e0b\u4e00\u4e2a\u8bf7\u6c42\u8fde\u63a5&#xff0c;\u4e3a\u5bf9\u5e94\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u7684\u5957\u63a5\u5b57\u5b9e\u9645\u662faccept\u51fd\u6570\u8fd4\u56de\u7684\u5957\u63a5\u5b57&#xff0c;\u4e0b\u9762\u5c31\u5c06\u5176\u79f0\u4e3a\u201c\u670d\u52a1\u5957\u63a5\u5b57\u201d\u3002<\/p>\n<p>\u4e3a\u4e86\u8ba9\u901a\u4fe1\u53cc\u65b9\u90fd\u80fd\u770b\u5230\u5bf9\u5e94\u7684\u73b0\u8c61&#xff0c;\u6211\u4eec\u8fd9\u91cc\u5c31\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u56de\u58f0TCP\u670d\u52a1\u5668&#xff0c;\u670d\u52a1\u7aef\u5728\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u65f6\u5c31\u7b80\u5355\u7684\u5c06\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u6570\u636e\u8fdb\u884c\u8f93\u51fa&#xff0c;\u5e76\u4e14\u5c06\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u6570\u636e\u91cd\u65b0\u53d1\u56de\u7ed9\u5ba2\u6237\u7aef\u5373\u53ef\u3002\u5f53\u5ba2\u6237\u7aef\u62ff\u5230\u670d\u52a1\u7aef\u7684\u54cd\u5e94\u6570\u636e\u540e\u518d\u5c06\u8be5\u6570\u636e\u8fdb\u884c\u6253\u5370\u8f93\u51fa&#xff0c;\u6b64\u65f6\u5c31\u80fd\u786e\u4fdd\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u80fd\u591f\u6b63\u5e38\u901a\u4fe1\u4e86\u3002<\/p>\n<p>&#x1f4bb;read\u51fd\u6570<\/p>\n<p>TCP\u670d\u52a1\u5668\u8bfb\u53d6\u6570\u636e\u7684\u51fd\u6570\u53eb\u505aread&#xff0c;\u8be5\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b&#xff1a;<\/p>\n<p>ssize_t <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> fd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>buf<span class=\"token punctuation\">,<\/span> size_t count<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u53c2\u6570\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>fd&#xff1a;\u7279\u5b9a\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u8868\u793a\u4ece\u8be5\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e2d\u8bfb\u53d6\u6570\u636e\u3002<\/li>\n<li>buf&#xff1a;\u6570\u636e\u7684\u5b58\u50a8\u4f4d\u7f6e&#xff0c;\u8868\u793a\u5c06\u8bfb\u53d6\u5230\u7684\u6570\u636e\u5b58\u50a8\u5230\u8be5\u4f4d\u7f6e\u3002<\/li>\n<li>count&#xff1a;\u6570\u636e\u7684\u4e2a\u6570&#xff0c;\u8868\u793a\u4ece\u8be5\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e2d\u8bfb\u53d6\u6570\u636e\u7684\u5b57\u8282\u6570\u3002<\/li>\n<\/ul>\n<p>\u8fd4\u56de\u503c\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>\u5982\u679c\u8fd4\u56de\u503c\u5927\u4e8e0&#xff0c;\u5219\u8868\u793a\u672c\u6b21\u5b9e\u9645\u8bfb\u53d6\u5230\u7684\u5b57\u8282\u4e2a\u6570\u3002<\/li>\n<li>\u5982\u679c\u8fd4\u56de\u503c\u7b49\u4e8e0&#xff0c;\u5219\u8868\u793a\u5bf9\u7aef\u5df2\u7ecf\u628a\u8fde\u63a5\u5173\u95ed\u4e86\u3002<\/li>\n<li>\u5982\u679c\u8fd4\u56de\u503c\u5c0f\u4e8e0&#xff0c;\u5219\u8868\u793a\u8bfb\u53d6\u65f6\u9047\u5230\u4e86\u9519\u8bef\u3002<\/li>\n<\/ul>\n<p>&#x1f4bb;read\u8fd4\u56de\u503c\u4e3a0\u8868\u793a\u5bf9\u7aef\u8fde\u63a5\u5173\u95ed<\/p>\n<p>\u8fd9\u5b9e\u9645\u548c\u672c\u5730\u8fdb\u7a0b\u95f4\u901a\u4fe1\u4e2d\u7684\u7ba1\u9053\u901a\u4fe1\u662f\u7c7b\u4f3c\u7684&#xff0c;\u5f53\u4f7f\u7528\u7ba1\u9053\u8fdb\u884c\u901a\u4fe1\u65f6&#xff0c;\u53ef\u80fd\u4f1a\u51fa\u73b0\u5982\u4e0b\u60c5\u51b5&#xff1a;<\/p>\n<ul>\n<li>\u5199\u7aef\u8fdb\u7a0b\u4e0d\u5199&#xff0c;\u8bfb\u7aef\u8fdb\u7a0b\u4e00\u76f4\u8bfb&#xff0c;\u6b64\u65f6\u8bfb\u7aef\u8fdb\u7a0b\u5c31\u4f1a\u88ab\u6302\u8d77&#xff0c;\u56e0\u4e3a\u6b64\u65f6\u6570\u636e\u6ca1\u6709\u5c31\u7eea\u3002<\/li>\n<li>\u8bfb\u7aef\u8fdb\u7a0b\u4e0d\u8bfb&#xff0c;\u5199\u7aef\u8fdb\u7a0b\u4e00\u76f4\u5199&#xff0c;\u6b64\u65f6\u5f53\u7ba1\u9053\u88ab\u5199\u6ee1\u540e\u5199\u7aef\u8fdb\u7a0b\u5c31\u4f1a\u88ab\u6302\u8d77&#xff0c;\u56e0\u4e3a\u6b64\u65f6\u7a7a\u95f4\u6ca1\u6709\u5c31\u7eea\u3002<\/li>\n<li>\u5199\u7aef\u8fdb\u7a0b\u5c06\u6570\u636e\u5199\u5b8c\u540e\u5c06\u5199\u7aef\u5173\u95ed&#xff0c;\u6b64\u65f6\u5f53\u8bfb\u7aef\u8fdb\u7a0b\u5c06\u7ba1\u9053\u5f53\u4e2d\u7684\u6570\u636e\u8bfb\u5b8c\u540e\u5c31\u4f1a\u8bfb\u52300\u3002<\/li>\n<li>\u8bfb\u7aef\u8fdb\u7a0b\u5c06\u8bfb\u7aef\u5173\u95ed&#xff0c;\u6b64\u65f6\u5199\u7aef\u8fdb\u7a0b\u5c31\u4f1a\u88ab\u64cd\u4f5c\u7cfb\u7edf\u6740\u6389&#xff0c;\u56e0\u4e3a\u6b64\u65f6\u5199\u7aef\u8fdb\u7a0b\u5199\u5165\u7684\u6570\u636e\u4e0d\u4f1a\u88ab\u8bfb\u53d6\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u91cc\u7684\u5199\u7aef\u5c31\u5bf9\u5e94\u5ba2\u6237\u7aef&#xff0c;\u5982\u679c\u5ba2\u6237\u7aef\u5c06\u8fde\u63a5\u5173\u95ed\u4e86&#xff0c;\u90a3\u4e48\u6b64\u65f6\u670d\u52a1\u7aef\u5c06\u5957\u63a5\u5b57\u5f53\u4e2d\u7684\u4fe1\u606f\u8bfb\u5b8c\u540e\u5c31\u4f1a\u8bfb\u53d6\u52300&#xff0c;\u56e0\u6b64\u5982\u679c\u670d\u52a1\u7aef\u8c03\u7528read\u51fd\u6570\u540e\u5f97\u5230\u7684\u8fd4\u56de\u503c\u4e3a0&#xff0c;\u6b64\u65f6\u670d\u52a1\u7aef\u5c31\u4e0d\u5fc5\u518d\u4e3a\u8be5\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u4e86\u3002<\/p>\n<p>&#x1f4bb;write\u51fd\u6570<\/p>\n<p>TCP\u670d\u52a1\u5668\u5199\u5165\u6570\u636e\u7684\u51fd\u6570\u53eb\u505awrite&#xff0c;\u8be5\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b&#xff1a;<\/p>\n<p>ssize_t <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> fd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>buf<span class=\"token punctuation\">,<\/span> size_t count<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u53c2\u6570\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>fd&#xff1a;\u7279\u5b9a\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u8868\u793a\u5c06\u6570\u636e\u5199\u5165\u8be5\u6587\u4ef6\u63cf\u8ff0\u7b26\u5bf9\u5e94\u7684\u5957\u63a5\u5b57\u3002<\/li>\n<li>buf&#xff1a;\u9700\u8981\u5199\u5165\u7684\u6570\u636e\u3002<\/li>\n<li>count&#xff1a;\u9700\u8981\u5199\u5165\u6570\u636e\u7684\u5b57\u8282\u4e2a\u6570\u3002<\/li>\n<\/ul>\n<p>\u8fd4\u56de\u503c\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>\u5199\u5165\u6210\u529f\u8fd4\u56de\u5b9e\u9645\u5199\u5165\u7684\u5b57\u8282\u6570&#xff0c;\u5199\u5165\u5931\u8d25\u8fd4\u56de-1&#xff0c;\u540c\u65f6\u9519\u8bef\u7801\u4f1a\u88ab\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n<p>\u5f53\u670d\u52a1\u7aef\u8c03\u7528read\u51fd\u6570\u6536\u5230\u5ba2\u6237\u7aef\u7684\u6570\u636e\u540e&#xff0c;\u5c31\u53ef\u4ee5\u518d\u8c03\u7528write\u51fd\u6570\u5c06\u8be5\u6570\u636e\u518d\u54cd\u5e94\u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n<p>&#x1f4bb;\u670d\u52a1\u7aef\u5904\u7406\u8bf7\u6c42<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f&#xff0c;\u670d\u52a1\u7aef\u8bfb\u53d6\u6570\u636e\u662f\u670d\u52a1\u5957\u63a5\u5b57\u4e2d\u8bfb\u53d6\u7684&#xff0c;\u800c\u5199\u5165\u6570\u636e\u7684\u65f6\u5019\u4e5f\u662f\u5199\u5165\u8fdb\u670d\u52a1\u5957\u63a5\u5b57\u7684\u3002\u4e5f\u5c31\u662f\u8bf4\u8fd9\u91cc\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u7684\u5957\u63a5\u5b57&#xff0c;\u65e2\u53ef\u4ee5\u8bfb\u53d6\u6570\u636e\u4e5f\u53ef\u4ee5\u5199\u5165\u6570\u636e&#xff0c;\u8fd9\u5c31\u662fTCP\u5168\u53cc\u5de5\u7684\u901a\u4fe1\u7684\u4f53\u73b0\u3002<\/p>\n<p>\u5728\u4ece\u670d\u52a1\u5957\u63a5\u5b57\u4e2d\u8bfb\u53d6\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u6570\u636e\u65f6&#xff0c;\u5982\u679c\u8c03\u7528read\u51fd\u6570\u540e\u5f97\u5230\u7684\u8fd4\u56de\u503c\u4e3a0&#xff0c;\u6216\u8005\u8bfb\u53d6\u51fa\u9519\u4e86&#xff0c;\u6b64\u65f6\u5c31\u5e94\u8be5\u76f4\u63a5\u5c06\u670d\u52a1\u5957\u63a5\u5b57\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u5173\u95ed\u3002\u56e0\u4e3a\u6587\u4ef6\u63cf\u8ff0\u7b26\u672c\u8d28\u5c31\u662f\u6570\u7ec4\u7684\u4e0b\u6807&#xff0c;\u56e0\u6b64\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u8d44\u6e90\u662f\u6709\u9650\u7684&#xff0c;\u5982\u679c\u6211\u4eec\u4e00\u76f4\u5360\u7528&#xff0c;\u90a3\u4e48\u53ef\u7528\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u5c31\u4f1a\u8d8a\u6765\u8d8a\u5c11&#xff0c;\u56e0\u6b64\u670d\u52a1\u5b8c\u5ba2\u6237\u7aef\u540e\u8981\u53ca\u65f6\u5173\u95ed\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u5426\u5219\u4f1a\u5bfc\u81f4\u6587\u4ef6\u63cf\u8ff0\u7b26\u6cc4\u6f0f\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdint.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;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;memory&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstring&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> BACKLOG <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TcpServer<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span><span class=\"token function\">_listen_sockfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Service<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sockfd<span class=\"token punctuation\">,<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string client_ip<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">int<\/span> client_port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            ssize_t size <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span>buffer<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>size <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                buffer<span class=\"token punctuation\">[<\/span>size<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token char\">&#039;\\\\0&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\nstd<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;[&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_ip <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;]:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> buffer <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span>buffer<span class=\"token punctuation\">,<\/span>size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>size <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u5bf9\u7aef\u5173\u95ed<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> client_ip <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_port <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; close!&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;read error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> client_ip <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_port <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; service done!&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u83b7\u53d6\u8fde\u63a5 <\/span><br \/>\n            <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> peer<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">bzero<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;accept error,continue&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            std<span class=\"token double-colon punctuation\">::<\/span>string client_ip <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_ntoa<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> client_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ntohs<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;get a new link -&gt; &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> sockfd <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;[&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_ip <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;]:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_port <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/\u5904\u7406\u8bf7\u6c42<\/span><br \/>\n            <span class=\"token function\">Service<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span>client_ip<span class=\"token punctuation\">,<\/span>client_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">InitServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u521b\u5efa\u5957\u63a5\u5b57<\/span><br \/>\n        _listen_sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span>SOCK_STREAM<span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;socket error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u7ed1\u5b9a<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> local<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span><span class=\"token char\">&#039;\\\\0&#039;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> INADDR_ANY<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;bind error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u76d1\u542c<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">,<\/span>BACKLOG<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;listen error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/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><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _listen_sockfd<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5957\u63a5\u5b57<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _port<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u7aef\u53e3\u53f7<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h2>\u5ba2\u6237\u7aef<\/h2>\n<h3>\u521b\u5efa\u5957\u63a5\u5b57<\/h3>\n<p>&#x1f4bb;\u540c\u6837\u7684&#xff0c;\u6211\u4eec\u5c06\u5ba2\u6237\u7aef\u4e5f\u5c01\u88c5\u6210\u4e00\u4e2a\u7c7b&#xff0c;\u5f53\u6211\u4eec\u5b9a\u4e49\u51fa\u4e00\u4e2a\u5ba2\u6237\u7aef\u5bf9\u8c61\u540e\u4e5f\u9700\u8981\u5bf9\u5176\u8fdb\u884c\u521d\u59cb\u5316&#xff0c;\u800c\u521d\u59cb\u5316\u5ba2\u6237\u7aef\u552f\u4e00\u9700\u8981\u505a\u7684\u5c31\u662f\u521b\u5efa\u5957\u63a5\u5b57\u3002\u800c\u5ba2\u6237\u7aef\u5728\u8c03\u7528socket\u51fd\u6570\u521b\u5efa\u5957\u63a5\u5b57\u65f6&#xff0c;\u53c2\u6570\u8bbe\u7f6e\u4e0e\u670d\u52a1\u7aef\u521b\u5efa\u5957\u63a5\u5b57\u65f6\u662f\u4e00\u6837\u7684\u3002<\/p>\n<p>\u5ba2\u6237\u7aef\u4e0d\u9700\u8981\u8fdb\u884c\u7ed1\u5b9a\u548c\u76d1\u542c&#xff1a;<\/p>\n<ul>\n<li>\u670d\u52a1\u7aef\u8981\u8fdb\u884c\u7ed1\u5b9a\u662f\u56e0\u4e3a\u670d\u52a1\u7aef\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u5fc5\u987b\u8981\u4f17\u6240\u5468\u77e5&#xff0c;\u4e0d\u80fd\u968f\u610f\u6539\u53d8\u3002\u800c\u5ba2\u6237\u7aef\u867d\u7136\u4e5f\u9700\u8981IP\u5730\u5740\u548c\u7aef\u53e3\u53f7&#xff0c;\u4f46\u662f\u5ba2\u6237\u7aef\u5e76\u4e0d\u9700\u8981\u6211\u4eec\u8fdb\u884c\u7ed1\u5b9a\u64cd\u4f5c&#xff0c;\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u7aef\u65f6\u7cfb\u7edf\u4f1a\u81ea\u52a8\u6307\u5b9a\u4e00\u4e2a\u7aef\u53e3\u53f7\u7ed9\u5ba2\u6237\u7aef\u3002<\/li>\n<li>\u670d\u52a1\u7aef\u9700\u8981\u8fdb\u884c\u76d1\u542c\u662f\u56e0\u4e3a\u670d\u52a1\u7aef\u9700\u8981\u901a\u8fc7\u76d1\u542c\u6765\u83b7\u53d6\u65b0\u8fde\u63a5&#xff0c;\u4f46\u662f\u4e0d\u4f1a\u6709\u4eba\u4e3b\u52a8\u8fde\u63a5\u5ba2\u6237\u7aef&#xff0c;\u56e0\u6b64\u5ba2\u6237\u7aef\u662f\u4e0d\u9700\u8981\u8fdb\u884c\u76d1\u542c\u64cd\u4f5c\u7684\u3002<\/li>\n<\/ul>\n<p>\u6b64\u5916&#xff0c;\u5ba2\u6237\u7aef\u5fc5\u987b\u8981\u77e5\u9053\u5b83\u8981\u8fde\u63a5\u7684\u670d\u52a1\u7aef\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7&#xff0c;\u56e0\u6b64\u5ba2\u6237\u7aef\u9664\u4e86\u8981\u6709\u81ea\u5df1\u7684\u5957\u63a5\u5b57\u4e4b\u5916&#xff0c;\u8fd8\u9700\u8981\u77e5\u9053\u670d\u52a1\u7aef\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7&#xff0c;\u8fd9\u6837\u5ba2\u6237\u7aef\u624d\u80fd\u591f\u901a\u8fc7\u5957\u63a5\u5b57\u5411\u6307\u5b9a\u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdint.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;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;memory&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstring&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TcpClient<\/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\">TcpClient<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string ip<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">int<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span><span class=\"token function\">_sockfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_server_ip<\/span><span class=\"token punctuation\">(<\/span>ip<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_server_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">InitClient<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u521b\u5efa\u5957\u63a5\u5b57<\/span><br \/>\n        _sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span>SOCK_STREAM<span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;socket error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">TcpClient<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_sockfd <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _sockfd<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string _server_ip<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _server_port<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h3>\u8fde\u63a5\u670d\u52a1\u5668<\/h3>\n<p>\u7531\u4e8e\u5ba2\u6237\u7aef\u4e0d\u9700\u8981\u7ed1\u5b9a&#xff0c;\u4e5f\u4e0d\u9700\u8981\u76d1\u542c&#xff0c;\u56e0\u6b64\u5f53\u5ba2\u6237\u7aef\u521b\u5efa\u5b8c\u5957\u63a5\u5b57\u540e\u5c31\u53ef\u4ee5\u5411\u670d\u52a1\u7aef\u53d1\u8d77\u8fde\u63a5\u8bf7\u6c42\u3002<\/p>\n<p>&#x1f4bb;connect\u51fd\u6570<\/p>\n<p>\u53d1\u8d77\u8fde\u63a5\u8bf7\u6c42\u7684\u51fd\u6570\u53eb\u505aconnect&#xff0c;\u8be5\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b&#xff1a;<\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sockfd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span>addr<span class=\"token punctuation\">,<\/span> socklen_t addrlen<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u53c2\u6570\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>sockfd&#xff1a;\u7279\u5b9a\u7684\u5957\u63a5\u5b57&#xff0c;\u8868\u793a\u901a\u8fc7\u8be5\u5957\u63a5\u5b57\u53d1\u8d77\u8fde\u63a5\u8bf7\u6c42\u3002<\/li>\n<li>addr&#xff1a;\u5bf9\u7aef\u7f51\u7edc\u76f8\u5173\u7684\u5c5e\u6027\u4fe1\u606f&#xff0c;\u5305\u62ec\u534f\u8bae\u5bb6\u65cf\u3001IP\u5730\u5740\u3001\u7aef\u53e3\u53f7\u7b49\u3002<\/li>\n<li>addrlen&#xff1a;\u4f20\u5165\u7684addr\u7ed3\u6784\u4f53\u7684\u957f\u5ea6\u3002<\/li>\n<\/ul>\n<p>\u8fd4\u56de\u503c\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>\u8fde\u63a5\u6216\u7ed1\u5b9a\u6210\u529f\u8fd4\u56de0&#xff0c;\u8fde\u63a5\u5931\u8d25\u8fd4\u56de-1&#xff0c;\u540c\u65f6\u9519\u8bef\u7801\u4f1a\u88ab\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n<p>&#x1f4bb;\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f&#xff0c;\u5ba2\u6237\u7aef\u4e0d\u662f\u4e0d\u9700\u8981\u8fdb\u884c\u7ed1\u5b9a&#xff0c;\u800c\u662f\u4e0d\u9700\u8981\u6211\u4eec\u81ea\u5df1\u8fdb\u884c\u7ed1\u5b9a\u64cd\u4f5c&#xff0c;\u5f53\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u7aef\u53d1\u8d77\u8fde\u63a5\u8bf7\u6c42\u65f6&#xff0c;\u7cfb\u7edf\u4f1a\u7ed9\u5ba2\u6237\u7aef\u968f\u673a\u6307\u5b9a\u4e00\u4e2a\u7aef\u53e3\u53f7\u8fdb\u884c\u7ed1\u5b9a\u3002\u56e0\u4e3a\u901a\u4fe1\u53cc\u65b9\u90fd\u5fc5\u987b\u8981\u6709IP\u5730\u5740\u548c\u7aef\u53e3\u53f7&#xff0c;\u5426\u5219\u65e0\u6cd5\u552f\u4e00\u6807\u8bc6\u901a\u4fe1\u53cc\u65b9\u3002\u4e5f\u5c31\u662f\u8bf4&#xff0c;\u5982\u679cconnect\u51fd\u6570\u8c03\u7528\u6210\u529f\u4e86&#xff0c;\u5ba2\u6237\u7aef\u672c\u5730\u4f1a\u968f\u673a\u7ed9\u8be5\u5ba2\u6237\u7aef\u7ed1\u5b9a\u4e00\u4e2a\u7aef\u53e3\u53f7\u53d1\u9001\u7ed9\u5bf9\u7aef\u670d\u52a1\u5668\u3002<\/p>\n<p>\u6b64\u5916&#xff0c;\u8c03\u7528connect\u51fd\u6570\u5411\u670d\u52a1\u7aef\u53d1\u8d77\u8fde\u63a5\u8bf7\u6c42\u65f6&#xff0c;\u9700\u8981\u4f20\u5165\u670d\u52a1\u7aef\u5bf9\u5e94\u7684\u7f51\u7edc\u4fe1\u606f&#xff0c;\u5426\u5219connect\u51fd\u6570\u4e5f\u4e0d\u77e5\u9053\u8be5\u5ba2\u6237\u7aef\u5230\u5e95\u662f\u8981\u5411\u54ea\u4e00\u4e2a\u670d\u52a1\u7aef\u53d1\u8d77\u8fde\u63a5\u8bf7\u6c42\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdint.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;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;memory&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstring&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TcpClient<\/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\">TcpClient<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string ip<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">int<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span><span class=\"token function\">_sockfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_server_ip<\/span><span class=\"token punctuation\">(<\/span>ip<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_server_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> peer<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">bzero<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        peer<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n        peer<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>_server_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        peer<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_addr<\/span><span class=\"token punctuation\">(<\/span>_server_ip<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u8fde\u63a5\u6210\u529f<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;connect success&#8230;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/\u53d1\u8d77\u8bf7\u6c42<\/span><br \/>\n            <span class=\"token function\">Request<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u8fde\u63a5\u5931\u8d25<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;connenct failed&#8230;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">InitClient<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u521b\u5efa\u5957\u63a5\u5b57<\/span><br \/>\n        _sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span>SOCK_STREAM<span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;socket error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">TcpClient<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_sockfd <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _sockfd<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string _server_ip<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _server_port<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h3>\u53d1\u8d77\u8bf7\u6c42<\/h3>\n<p>\u7531\u4e8e\u6211\u4eec\u5b9e\u73b0\u7684\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u56de\u58f0\u670d\u52a1\u5668&#xff0c;\u56e0\u6b64\u5f53\u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u670d\u52a1\u7aef\u540e&#xff0c;\u5ba2\u6237\u7aef\u5c31\u53ef\u4ee5\u5411\u670d\u52a1\u7aef\u53d1\u9001\u6570\u636e\u4e86&#xff0c;\u8fd9\u91cc\u6211\u4eec\u53ef\u4ee5\u8ba9\u5ba2\u6237\u7aef\u5c06\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u53d1\u9001\u7ed9\u670d\u52a1\u7aef&#xff0c;\u53d1\u9001\u65f6\u8c03\u7528write\u51fd\u6570\u5411\u5957\u63a5\u5b57\u5f53\u4e2d\u5199\u5165\u6570\u636e\u5373\u53ef\u3002<\/p>\n<p>\u5f53\u5ba2\u6237\u7aef\u5c06\u6570\u636e\u53d1\u9001\u7ed9\u670d\u52a1\u7aef\u540e&#xff0c;\u7531\u4e8e\u670d\u52a1\u7aef\u8bfb\u53d6\u5230\u6570\u636e\u540e\u8fd8\u4f1a\u8fdb\u884c\u56de\u663e&#xff0c;\u56e0\u6b64\u5ba2\u6237\u7aef\u5728\u53d1\u9001\u6570\u636e\u540e\u8fd8\u9700\u8981\u8c03\u7528read\u51fd\u6570\u8bfb\u53d6\u670d\u52a1\u7aef\u7684\u54cd\u5e94\u6570\u636e&#xff0c;\u7136\u540e\u5c06\u8be5\u54cd\u5e94\u6570\u636e\u8fdb\u884c\u6253\u5370&#xff0c;\u4ee5\u786e\u5b9a\u53cc\u65b9\u901a\u4fe1\u65e0\u8bef\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdint.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;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;memory&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstring&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TcpClient<\/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\">TcpClient<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string ip<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">int<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span><span class=\"token function\">_sockfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_server_ip<\/span><span class=\"token punctuation\">(<\/span>ip<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_server_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Request<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string msg<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Please Enter#&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">getline<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>cin<span class=\"token punctuation\">,<\/span>msg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span>msg<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>msg<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            ssize_t size <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span>buffer<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>size <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/\u8bfb\u53d6\u6210\u529f<\/span><br \/>\n                buffer<span class=\"token punctuation\">[<\/span>size<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token char\">&#039;\\\\0&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;server echo#&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> buffer <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>size <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/\u5bf9\u7aef\u5173\u95ed<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;server close!&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/\u8bfb\u53d6\u51fa\u9519<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;read error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> peer<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">bzero<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        peer<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n        peer<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>_server_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        peer<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_addr<\/span><span class=\"token punctuation\">(<\/span>_server_ip<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u8fde\u63a5\u6210\u529f<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;connect success&#8230;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/\u53d1\u8d77\u8bf7\u6c42<\/span><br \/>\n            <span class=\"token function\">Request<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u8fde\u63a5\u5931\u8d25<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;connenct failed&#8230;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">InitClient<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u521b\u5efa\u5957\u63a5\u5b57<\/span><br \/>\n        _sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span>SOCK_STREAM<span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;socket error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">TcpClient<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_sockfd <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _sockfd<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string _server_ip<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _server_port<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5728\u8fd0\u884c\u5ba2\u6237\u7aef\u7a0b\u5e8f\u65f6\u6211\u4eec\u5c31\u9700\u8981\u643a\u5e26\u4e0a\u670d\u52a1\u7aef\u5bf9\u5e94\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7&#xff0c;\u7136\u540e\u6211\u4eec\u5c31\u53ef\u4ee5\u901a\u8fc7\u670d\u52a1\u7aef\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u6784\u9020\u51fa\u4e00\u4e2a\u5ba2\u6237\u7aef\u5bf9\u8c61&#xff0c;\u5bf9\u5ba2\u6237\u7aef\u8fdb\u884c\u521d\u59cb\u540e\u542f\u52a8\u5ba2\u6237\u7aef\u5373\u53ef\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;tcpclient.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> argc<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">char<\/span><span class=\"token operator\">*<\/span> argv<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>argc <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Usage: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;server_ip server_port&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>string server_ip <span class=\"token operator\">&#061;<\/span> argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> server_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">atoi<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    TcpClient<span class=\"token operator\">*<\/span> clt <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">TcpClient<\/span><span class=\"token punctuation\">(<\/span>server_ip<span class=\"token punctuation\">,<\/span>server_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    clt<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">InitClient<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    clt<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u670d\u52a1\u5668\u6d4b\u8bd5<\/h2>\n<p>\u73b0\u5728\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u5747\u5df2\u7f16\u5199\u5b8c\u6bd5&#xff0c;\u4e0b\u9762\u6211\u4eec\u8fdb\u884c\u6d4b\u8bd5\u3002\u6d4b\u8bd5\u65f6\u6211\u4eec\u5148\u542f\u52a8\u670d\u52a1\u7aef&#xff0c;\u7136\u540e\u901a\u8fc7netstat\u547d\u4ee4\u8fdb\u884c\u67e5\u770b&#xff0c;\u6b64\u65f6\u6211\u4eec\u5c31\u80fd\u770b\u5230\u4e00\u4e2a\u540d\u4e3atcp_server\u7684\u670d\u52a1\u8fdb\u7a0b&#xff0c;\u8be5\u8fdb\u7a0b\u5f53\u524d\u5904\u4e8e\u76d1\u542c\u72b6\u6001\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610083623-6847ee873830b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u7136\u540e\u518d\u901a\u8fc7.\/tcp_client IP\u5730\u5740 \u7aef\u53e3\u53f7\u7684\u5f62\u5f0f\u8fd0\u884c\u5ba2\u6237\u7aef&#xff0c;\u6b64\u65f6\u5ba2\u6237\u7aef\u5c31\u4f1a\u5411\u670d\u52a1\u7aef\u53d1\u8d77\u8fde\u63a5\u8bf7\u6c42&#xff0c;\u670d\u52a1\u7aef\u83b7\u53d6\u5230\u8bf7\u6c42\u540e\u5c31\u4f1a\u4e3a\u8be5\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610083623-6847ee876bcee.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/>\u5f53\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u7aef\u53d1\u9001\u6d88\u606f\u540e&#xff0c;\u670d\u52a1\u7aef\u53ef\u4ee5\u901a\u8fc7\u6253\u5370\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u8bc6\u522b\u51fa\u5bf9\u5e94\u7684\u5ba2\u6237\u7aef&#xff0c;\u800c\u5ba2\u6237\u7aef\u4e5f\u53ef\u4ee5\u901a\u8fc7\u670d\u52a1\u7aef\u54cd\u5e94\u56de\u6765\u7684\u6d88\u606f\u6765\u5224\u65ad\u670d\u52a1\u7aef\u662f\u5426\u6536\u5230\u4e86\u81ea\u5df1\u53d1\u9001\u7684\u6d88\u606f\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610083623-6847ee8792450.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5982\u679c\u6b64\u65f6\u5ba2\u6237\u7aef\u9000\u51fa\u4e86&#xff0c;\u90a3\u4e48\u670d\u52a1\u7aef\u5728\u8c03\u7528read\u51fd\u6570\u65f6\u5f97\u5230\u7684\u8fd4\u56de\u503c\u5c31\u662f0&#xff0c;\u6b64\u65f6\u670d\u52a1\u7aef\u4e5f\u5c31\u77e5\u9053\u5ba2\u6237\u7aef\u9000\u51fa\u4e86&#xff0c;\u8fdb\u800c\u4f1a\u7ec8\u6b62\u5bf9\u8be5\u5ba2\u6237\u7aef\u7684\u670d\u52a1\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610083623-6847ee87b3c0d.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u6ce8\u610f&#xff1a; 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07\u5411\u8fd9\u4e2a\u6253\u5f00\u7684\u6587\u4ef6\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610083624-6847ee8830026.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u4f46\u5f53\u7236\u8fdb\u7a0b\u521b\u5efa\u5b50\u8fdb\u7a0b\u540e&#xff0c;\u7236\u5b50\u8fdb\u7a0b\u4e4b\u95f4\u4f1a\u4fdd\u6301\u72ec\u7acb\u6027&#xff0c;\u6b64\u65f6\u7236\u8fdb\u7a0b\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868\u7684\u53d8\u5316\u4e0d\u4f1a\u5f71\u54cd\u5b50\u8fdb\u7a0b\u3002\u6700\u5178\u578b\u7684\u4ee3\u8868\u5c31\u662f\u533f\u540d\u7ba1\u9053&#xff0c;\u7236\u5b50\u8fdb\u7a0b\u5728\u4f7f\u7528\u533f\u540d\u7ba1\u9053\u8fdb\u884c\u901a\u4fe1\u65f6&#xff0c;\u7236\u8fdb\u7a0b\u5148\u8c03\u7528pipe\u51fd\u6570\u5f97\u5230\u4e24\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u4e00\u4e2a\u662f\u7ba1\u9053\u8bfb\u7aef\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u4e00\u4e2a\u662f\u7ba1\u9053\u5199\u7aef\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u6b64\u65f6\u7236\u8fdb\u7a0b\u521b\u5efa\u51fa\u6765\u7684\u5b50\u8fdb\u7a0b\u5c31\u4f1a\u7ee7\u627f\u8fd9\u4e24\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u4e4b\u540e\u7236\u5b50\u8fdb\u7a0b\u4e00\u4e2a\u5173\u95ed\u7ba1\u9053\u7684\u8bfb\u7aef&#xff0c;\u53e6\u4e00\u4e2a\u5173\u95ed\u7ba1\u9053\u7684\u5199\u7aef&#xff0c;\u8fd9\u65f6\u7236\u5b50\u8fdb\u7a0b\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868\u7684\u53d8\u5316\u662f\u4e0d\u4f1a\u76f8\u4e92\u5f71\u54cd\u7684&#xff0c;\u6b64\u540e\u7236\u5b50\u8fdb\u7a0b\u5c31\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a\u7ba1\u9053\u8fdb\u884c\u5355\u5411\u901a\u4fe1\u4e86\u3002<\/p>\n<p>\u5bf9\u4e8e\u5957\u63a5\u5b57\u6587\u4ef6\u4e5f\u662f\u4e00\u6837\u7684&#xff0c;\u7236\u8fdb\u7a0b\u521b\u5efa\u7684\u5b50\u8fdb\u7a0b\u4e5f\u4f1a\u7ee7\u627f\u7236\u8fdb\u7a0b\u7684\u5957\u63a5\u5b57\u6587\u4ef6&#xff0c;\u6b64\u65f6\u5b50\u8fdb\u7a0b\u5c31\u80fd\u591f\u5bf9\u7279\u5b9a\u7684\u5957\u63a5\u5b57\u6587\u4ef6\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c&#xff0c;\u8fdb\u800c\u5b8c\u6210\u5bf9\u5bf9\u5e94\u5ba2\u6237\u7aef\u7684\u670d\u52a1\u3002<\/p>\n<p>&#x1f4bb;\u7b49\u5f85\u5b50\u8fdb\u7a0b\u95ee\u9898<\/p>\n<p>\u5f53\u7236\u8fdb\u7a0b\u521b\u5efa\u51fa\u5b50\u8fdb\u7a0b\u540e&#xff0c;\u7236\u8fdb\u7a0b\u662f\u9700\u8981\u7b49\u5f85\u5b50\u8fdb\u7a0b\u9000\u51fa\u7684&#xff0c;\u5426\u5219\u5b50\u8fdb\u7a0b\u4f1a\u53d8\u6210\u50f5\u5c38\u8fdb\u7a0b&#xff0c;\u8fdb\u800c\u9020\u6210\u5185\u5b58\u6cc4\u6f0f\u3002\u56e0\u6b64\u670d\u52a1\u7aef\u521b\u5efa\u5b50\u8fdb\u7a0b\u540e\u9700\u8981\u8c03\u7528wait\u6216waitpid\u51fd\u6570\u5bf9\u5b50\u8fdb\u7a0b\u8fdb\u884c\u7b49\u5f85\u3002<\/p>\n<p>\u963b\u585e\u5f0f\u7b49\u5f85\u4e0e\u975e\u963b\u585e\u5f0f\u7b49\u5f85&#xff1a;<\/p>\n<ul>\n<li>\u5982\u679c\u670d\u52a1\u7aef\u91c7\u7528\u963b\u585e\u7684\u65b9\u5f0f\u7b49\u5f85\u5b50\u8fdb\u7a0b&#xff0c;\u90a3\u4e48\u670d\u52a1\u7aef\u8fd8\u662f\u9700\u8981\u7b49\u5f85\u670d\u52a1\u5b8c\u5f53\u524d\u5ba2\u6237\u7aef&#xff0c;\u624d\u80fd\u7ee7\u7eed\u83b7\u53d6\u4e0b\u4e00\u4e2a\u8fde\u63a5\u8bf7\u6c42&#xff0c;\u6b64\u65f6\u670d\u52a1\u7aef\u4ecd\u7136\u662f\u4ee5\u4e00\u79cd\u4e32\u884c\u7684\u65b9\u5f0f\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u3002<\/li>\n<li>\u5982\u679c\u670d\u52a1\u7aef\u91c7\u7528\u975e\u963b\u585e\u7684\u65b9\u5f0f\u7b49\u5f85\u5b50\u8fdb\u7a0b&#xff0c;\u867d\u7136\u5728\u5b50\u8fdb\u7a0b\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u671f\u95f4\u670d\u52a1\u7aef\u53ef\u4ee5\u7ee7\u7eed\u83b7\u53d6\u65b0\u8fde\u63a5&#xff0c;\u4f46\u6b64\u65f6\u670d\u52a1\u7aef\u5c31\u9700\u8981\u5c06\u6240\u6709\u5b50\u8fdb\u7a0b\u7684PID\u4fdd\u5b58\u4e0b\u6765&#xff0c;\u5e76\u4e14\u9700\u8981\u4e0d\u65ad\u82b1\u8d39\u65f6\u95f4\u68c0\u6d4b\u5b50\u8fdb\u7a0b\u662f\u5426\u9000\u51fa\u3002<\/li>\n<\/ul>\n<p>\u603b\u4e4b&#xff0c;\u670d\u52a1\u7aef\u8981\u7b49\u5f85\u5b50\u8fdb\u7a0b\u9000\u51fa&#xff0c;\u65e0\u8bba\u91c7\u7528\u963b\u585e\u5f0f\u7b49\u5f85\u8fd8\u662f\u975e\u963b\u585e\u5f0f\u7b49\u5f85&#xff0c;\u90fd\u4e0d\u5c3d\u4eba\u610f\u3002\u6b64\u65f6\u6211\u4eec\u53ef\u4ee5\u8003\u8651\u8ba9\u670d\u52a1\u7aef\u4e0d\u7b49\u5f85\u5b50\u8fdb\u7a0b\u9000\u51fa\u3002<\/p>\n<p>&#x1f4bb;\u4e0d\u7b49\u5f85\u5b50\u8fdb\u7a0b\u9000\u51fa\u7684\u65b9\u5f0f<\/p>\n<p>\u8ba9\u7236\u8fdb\u7a0b\u4e0d\u7b49\u5f85\u5b50\u8fdb\u7a0b\u9000\u51fa&#xff0c;\u5e38\u89c1\u7684\u65b9\u5f0f\u6709\u4e24\u79cd&#xff1a;<\/p>\n<ul>\n<li>\u6355\u6349SIGCHLD\u4fe1\u53f7&#xff0c;\u5c06\u5176\u5904\u7406\u52a8\u4f5c\u8bbe\u7f6e\u4e3a\u5ffd\u7565\u3002<\/li>\n<li>\u8ba9\u7236\u8fdb\u7a0b\u521b\u5efa\u5b50\u8fdb\u7a0b&#xff0c;\u5b50\u8fdb\u7a0b\u518d\u521b\u5efa\u5b59\u5b50\u8fdb\u7a0b&#xff0c;\u6700\u540e\u8ba9\u5b59\u5b50\u8fdb\u7a0b\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u3002<\/li>\n<\/ul>\n<h3>\u6355\u6349SIGCHLD\u4fe1\u53f7<\/h3>\n<p>&#x1f4bb;\u5b9e\u9645\u5f53\u5b50\u8fdb\u7a0b\u9000\u51fa\u65f6\u4f1a\u7ed9\u7236\u8fdb\u7a0b\u53d1\u9001SIGCHLD\u4fe1\u53f7&#xff0c;\u5982\u679c\u7236\u8fdb\u7a0b\u5c06SIGCHLD\u4fe1\u53f7\u8fdb\u884c\u6355\u6349&#xff0c;\u5e76\u5c06\u8be5\u4fe1\u53f7\u7684\u5904\u7406\u52a8\u4f5c\u8bbe\u7f6e\u4e3a\u5ffd\u7565&#xff0c;\u6b64\u65f6\u7236\u8fdb\u7a0b\u5c31\u53ea\u9700\u4e13\u5fc3\u5904\u7406\u81ea\u5df1\u7684\u5de5\u4f5c&#xff0c;\u4e0d\u5fc5\u5173\u5fc3\u5b50\u8fdb\u7a0b\u4e86\u3002<\/p>\n<p>\u8be5\u65b9\u5f0f\u5b9e\u73b0\u8d77\u6765\u975e\u5e38\u7b80\u5355&#xff0c;\u4e5f\u662f\u6bd4\u8f83\u63a8\u8350\u7684\u4e00\u79cd\u505a\u6cd5\u3002 \u4ee5\u4e0b\u4e3a\u4fee\u6539\u540e\u7684TcpServer\u7c7b\u4e2d\u7684Start\u51fd\u6570&#xff1a;<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5ffd\u7565SIGCHLD\u4fe1\u53f7<\/span><br \/>\n        <span class=\"token function\">signal<\/span><span class=\"token punctuation\">(<\/span>SIGCHLD<span class=\"token punctuation\">,<\/span>SIG_IGN<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u83b7\u53d6\u8fde\u63a5 <\/span><br \/>\n            <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> peer<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">bzero<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;accept error,continue&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            std<span class=\"token double-colon punctuation\">::<\/span>string client_ip <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_ntoa<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> client_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ntohs<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;get a new link -&gt; &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> sockfd <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;[&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_ip <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;]:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_port <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p>            pid_t id <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">fork<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>id <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/child<\/span><br \/>\n                <span class=\"token comment\">\/\/\u5904\u7406\u8bf7\u6c42<\/span><br \/>\n                <span class=\"token function\">Service<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span>client_ip<span class=\"token punctuation\">,<\/span>client_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/\u5b50\u8fdb\u7a0b\u63d0\u4f9b\u5b8c\u670d\u52a1\u9000\u51fa<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>&#x1f4bb;\u4ee3\u7801\u6d4b\u8bd5<\/p>\n<p>\u91cd\u65b0\u7f16\u8bd1\u7a0b\u5e8f\u8fd0\u884c\u670d\u52a1\u7aef\u540e&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u76d1\u63a7\u811a\u672c\u5bf9\u670d\u52a1\u8fdb\u7a0b\u8fdb\u884c\u76d1\u63a7\u3002<\/p>\n<p><span class=\"token keyword\">while<\/span> <span class=\"token operator\">:<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">do<\/span> ps axj <span class=\"token operator\">|<\/span> head <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">&amp;&amp;<\/span> ps axj <span class=\"token operator\">|<\/span> grep tcpserver <span class=\"token operator\">|<\/span> grep <span class=\"token operator\">&#8211;<\/span>v grep<span class=\"token punctuation\">;<\/span>echo <span class=\"token string\">&#034;######################&#034;<\/span><span class=\"token punctuation\">;<\/span>sleep <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span>done<\/p>\n<p>\u6b64\u65f6\u53ef\u4ee5\u770b\u5230&#xff0c;\u4e00\u5f00\u59cb\u6ca1\u6709\u5ba2\u6237\u7aef\u8fde\u63a5\u8be5\u670d\u52a1\u5668&#xff0c;\u6b64\u65f6\u670d\u52a1\u8fdb\u7a0b\u53ea\u6709\u4e00\u4e2a&#xff0c;\u8be5\u670d\u52a1\u8fdb\u7a0b\u5c31\u662f\u4e0d\u65ad\u83b7\u53d6\u65b0\u8fde\u63a5\u7684\u8fdb\u7a0b&#xff0c;\u800c\u83b7\u53d6\u5230\u65b0\u8fde\u63a5\u540e\u4e5f\u662f\u7531\u8be5\u8fdb\u7a0b\u521b\u5efa\u5b50\u8fdb\u7a0b\u4e3a\u5bf9\u5e94\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u7684\u3002<\/p>\n<p>\u56e0\u4e3a\u6211\u673a\u5668\u540e\u53f0\u5f88\u591aserver\u540c\u540d\u670d\u52a1&#xff0c;\u4e3a\u4e86\u65b9\u4fbf\u89c2\u5bdf&#xff0c;\u628a\u7f16\u8bd1\u540e\u7684\u53ef\u6267\u884c\u6587\u4ef6\u540d\u6539\u6210\u4e86tcpserver <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610083624-6847ee88abef1.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u6b64\u65f6\u6211\u4eec\u8fd0\u884c\u4e00\u4e2a\u5ba2\u6237\u7aef&#xff0c;\u8ba9\u8be5\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668&#xff0c;\u6b64\u65f6\u670d\u52a1\u8fdb\u7a0b\u5c31\u4f1a\u8c03\u7528fork\u51fd\u6570\u521b\u5efa\u51fa\u4e00\u4e2a\u5b50\u8fdb\u7a0b&#xff0c;\u7531\u8be5\u5b50\u8fdb\u7a0b\u4e3a\u8fd9\u4e2a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610083624-6847ee88ecc52.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5982\u679c\u518d\u6709\u4e00\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668&#xff0c;\u6b64\u65f6\u670d\u52a1\u8fdb\u7a0b\u4f1a\u518d\u521b\u5efa\u51fa\u4e00\u4e2a\u5b50\u8fdb\u7a0b&#xff0c;\u8ba9\u8be5\u5b50\u8fdb\u7a0b\u4e3a\u8fd9\u4e2a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610083625-6847ee89546ca.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u6700\u91cd\u8981\u7684\u662f&#xff0c;\u7531\u4e8e\u8fd9\u4e24\u4e2a\u5ba2\u6237\u7aef\u5206\u522b\u7531\u4e24\u4e2a\u4e0d\u540c\u7684\u6267\u884c\u6d41\u63d0\u4f9b\u670d\u52a1&#xff0c;\u56e0\u6b64\u8fd9\u4e24\u4e2a\u5ba2\u6237\u7aef\u53ef\u4ee5\u540c\u65f6\u4eab\u53d7\u5230\u670d\u52a1&#xff0c;\u5b83\u4eec\u53d1\u9001\u7ed9\u670d\u52a1\u7aef\u7684\u6570\u636e\u90fd\u80fd\u591f\u5728\u670d\u52a1\u7aef\u8f93\u51fa&#xff0c;\u5e76\u4e14\u670d\u52a1\u7aef\u4e5f\u4f1a\u5bf9\u5b83\u4eec\u7684\u6570\u636e\u8fdb\u884c\u54cd\u5e94\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610083625-6847ee89b8abe.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5f53\u5ba2\u6237\u7aef\u4e00\u4e2a\u4e2a\u9000\u51fa\u540e&#xff0c;\u5728\u670d\u52a1\u7aef\u5bf9\u5e94\u4e3a\u4e4b\u63d0\u4f9b\u670d\u52a1\u7684\u5b50\u8fdb\u7a0b\u4e5f\u4f1a\u76f8\u7ee7\u9000\u51fa&#xff0c;\u4f46\u65e0\u8bba\u5982\u4f55\u670d\u52a1\u7aef\u90fd\u81f3\u5c11\u4f1a\u6709\u4e00\u4e2a\u670d\u52a1\u8fdb\u7a0b&#xff0c;\u8fd9\u4e2a\u670d\u52a1\u8fdb\u7a0b\u7684\u4efb\u52a1\u5c31\u662f\u4e0d\u65ad\u83b7\u53d6\u65b0\u8fde\u63a5\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610083625-6847ee89e7250.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u8ba9\u5b59\u5b50\u8fdb\u7a0b\u63d0\u4f9b\u670d\u52a1<\/h3>\n<p>&#x1f4bb;\u6211\u4eec\u4e5f\u53ef\u4ee5\u8ba9\u670d\u52a1\u7aef\u521b\u5efa\u51fa\u6765\u7684\u5b50\u8fdb\u7a0b\u518d\u6b21\u8fdb\u884cfork&#xff0c;\u8ba9\u5b59\u5b50\u8fdb\u7a0b\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1&#xff0c; \u6b64\u65f6\u6211\u4eec\u5c31\u4e0d\u7528\u7b49\u5f85\u5b59\u5b50\u8fdb\u7a0b\u9000\u51fa\u4e86\u3002<\/p>\n<p>\u547d\u540d\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>\u7237\u7237\u8fdb\u7a0b&#xff1a;\u5728\u670d\u52a1\u7aef\u8c03\u7528accept\u51fd\u6570\u83b7\u53d6\u5ba2\u6237\u7aef\u8fde\u63a5\u8bf7\u6c42\u7684\u8fdb\u7a0b\u3002<\/li>\n<li>\u7238\u7238\u8fdb\u7a0b&#xff1a;\u7531\u7237\u7237\u8fdb\u7a0b\u8c03\u7528fork\u51fd\u6570\u521b\u5efa\u51fa\u6765\u7684\u8fdb\u7a0b\u3002<\/li>\n<li>\u5b59\u5b50\u8fdb\u7a0b&#xff1a;\u7531\u7238\u7238\u8fdb\u7a0b\u8c03\u7528fork\u51fd\u6570\u521b\u5efa\u51fa\u6765\u7684\u8fdb\u7a0b&#xff0c;\u8be5\u8fdb\u7a0b\u8c03\u7528Service\u51fd\u6570\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u3002<\/li>\n<\/ul>\n<p>\u6211\u4eec\u8ba9\u7238\u7238\u8fdb\u7a0b\u521b\u5efa\u5b8c\u5b59\u5b50\u8fdb\u7a0b\u540e\u7acb\u523b\u9000\u51fa&#xff0c;\u6b64\u65f6\u670d\u52a1\u8fdb\u7a0b&#xff08;\u7237\u7237\u8fdb\u7a0b&#xff09;\u8c03\u7528wait\/waitpid\u51fd\u6570\u7b49\u5f85\u7238\u7238\u8fdb\u7a0b\u5c31\u80fd\u7acb\u523b\u7b49\u5f85\u6210\u529f&#xff0c;\u6b64\u540e\u670d\u52a1\u8fdb\u7a0b\u5c31\u80fd\u7ee7\u7eed\u8c03\u7528accept\u51fd\u6570\u83b7\u53d6\u5176\u4ed6\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42\u3002<\/p>\n<p>&#x1f4bb;\u4e3a\u4ec0\u4e48\u4e0d\u9700\u8981\u7b49\u5f85\u5b59\u5b50\u8fdb\u7a0b\u9000\u51fa<\/p>\n<p>\u800c\u7531\u4e8e\u7238\u7238\u8fdb\u7a0b\u521b\u5efa\u5b8c\u5b59\u5b50\u8fdb\u7a0b\u540e\u5c31\u7acb\u523b\u9000\u51fa\u4e86&#xff0c;\u56e0\u6b64\u5b9e\u9645\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u7684\u5b59\u5b50\u8fdb\u7a0b\u5c31\u53d8\u6210\u4e86\u5b64\u513f\u8fdb\u7a0b&#xff0c;\u8be5\u8fdb\u7a0b\u5c31\u4f1a\u88ab\u7cfb\u7edf\u9886\u517b&#xff0c;\u5f53\u5b59\u5b50\u8fdb\u7a0b\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u5b8c\u670d\u52a1\u9000\u51fa\u540e\u7cfb\u7edf\u4f1a\u56de\u6536\u5b59\u5b50\u8fdb\u7a0b&#xff0c;\u6240\u4ee5\u670d\u52a1\u8fdb\u7a0b&#xff08;\u7237\u7237\u8fdb\u7a0b&#xff09;\u662f\u4e0d\u9700\u8981\u7b49\u5f85\u5b59\u5b50\u8fdb\u7a0b\u9000\u51fa\u7684\u3002<\/p>\n<p>&#x1f4bb;\u5173\u95ed\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26<\/p>\n<p>\u670d\u52a1\u8fdb\u7a0b&#xff08;\u7237\u7237\u8fdb\u7a0b&#xff09;\u8c03\u7528accept\u51fd\u6570\u83b7\u53d6\u5230\u65b0\u8fde\u63a5\u540e&#xff0c;\u4f1a\u8ba9\u5b59\u5b50\u8fdb\u7a0b\u4e3a\u8be5\u8fde\u63a5\u63d0\u4f9b\u670d\u52a1&#xff0c;\u6b64\u65f6\u670d\u52a1\u8fdb\u7a0b\u5df2\u7ecf\u5c06\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868\u7ee7\u627f\u7ed9\u4e86\u7238\u7238\u8fdb\u7a0b&#xff0c;\u800c\u7238\u7238\u8fdb\u7a0b\u53c8\u4f1a\u8c03\u7528fork\u51fd\u6570\u521b\u5efa\u51fa\u5b59\u5b50\u8fdb\u7a0b&#xff0c;\u7136\u540e\u518d\u5c06\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868\u7ee7\u627f\u7ed9\u5b59\u5b50\u8fdb\u7a0b\u3002<\/p>\n<p>\u800c\u7236\u5b50\u8fdb\u7a0b\u521b\u5efa\u540e&#xff0c;\u5b83\u4eec\u5404\u81ea\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868\u662f\u72ec\u7acb\u7684&#xff0c;\u4e0d\u4f1a\u76f8\u4e92\u5f71\u54cd\u3002\u56e0\u6b64\u670d\u52a1\u8fdb\u7a0b\u5728\u8c03\u7528fork\u51fd\u6570\u540e&#xff0c;\u670d\u52a1\u8fdb\u7a0b\u5c31\u4e0d\u9700\u8981\u518d\u5173\u5fc3\u521a\u624d\u4eceaccept\u51fd\u6570\u83b7\u53d6\u5230\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e86&#xff0c;\u6b64\u65f6\u670d\u52a1\u8fdb\u7a0b\u5c31\u53ef\u4ee5\u8c03\u7528close\u51fd\u6570\u5c06\u8be5\u6587\u4ef6\u63cf\u8ff0\u7b26\u8fdb\u884c\u5173\u95ed\u3002<\/p>\n<p>\u540c\u6837\u7684&#xff0c;\u5bf9\u4e8e\u7238\u7238\u8fdb\u7a0b\u548c\u5b59\u5b50\u8fdb\u7a0b\u6765\u8bf4&#xff0c;\u5b83\u4eec\u662f\u4e0d\u9700\u8981\u5173\u5fc3\u4ece\u670d\u52a1\u8fdb\u7a0b&#xff08;\u7237\u7237\u8fdb\u7a0b&#xff09;\u7ee7\u627f\u4e0b\u6765\u7684\u76d1\u542c\u5957\u63a5\u5b57\u7684&#xff0c;\u56e0\u6b64\u7238\u7238\u8fdb\u7a0b\u53ef\u4ee5\u5c06\u76d1\u542c\u5957\u63a5\u5b57\u5173\u6389\u3002<\/p>\n<p>\u5173\u95ed\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u5fc5\u8981\u6027&#xff1a;<\/p>\n<ul>\n<li>\u5bf9\u4e8e\u670d\u52a1\u8fdb\u7a0b\u6765\u8bf4&#xff0c;\u5f53\u5b83\u8c03\u7528fork\u51fd\u6570\u540e\u5c31\u5fc5\u987b\u5c06\u4eceaccept\u51fd\u6570\u83b7\u53d6\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u5173\u6389\u3002\u56e0\u4e3a\u670d\u52a1\u8fdb\u7a0b\u4f1a\u4e0d\u65ad\u8c03\u7528accept\u51fd\u6570\u83b7\u53d6\u65b0\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff08;\u670d\u52a1\u5957\u63a5\u5b57&#xff09;&#xff0c;\u5982\u679c\u670d\u52a1\u8fdb\u7a0b\u4e0d\u53ca\u65f6\u5173\u6389\u4e0d\u7528\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u6700\u7ec8\u670d\u52a1\u8fdb\u7a0b\u4e2d\u53ef\u7528\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u5c31\u4f1a\u8d8a\u6765\u8d8a\u5c11\u3002<\/li>\n<li>\u800c\u5bf9\u4e8e\u7238\u7238\u8fdb\u7a0b\u548c\u5b59\u5b50\u8fdb\u7a0b\u6765\u8bf4&#xff0c;\u8fd8\u662f\u5efa\u8bae\u5173\u95ed\u4ece\u670d\u52a1\u8fdb\u7a0b\u7ee7\u627f\u4e0b\u6765\u7684\u76d1\u542c\u5957\u63a5\u5b57\u3002\u5b9e\u9645\u5c31\u7b97\u5b83\u4eec\u4e0d\u5173\u95ed\u76d1\u542c\u5957\u63a5\u5b57&#xff0c;\u6700\u7ec8\u4e5f\u53ea\u4f1a\u5bfc\u81f4\u8fd9\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\u6cc4\u6f0f&#xff0c;\u4f46\u4e00\u822c\u8fd8\u662f\u5efa\u8bae\u5173\u4e0a\u3002\u56e0\u4e3a\u5b59\u5b50\u8fdb\u7a0b\u5728\u63d0\u4f9b\u670d\u52a1\u65f6\u53ef\u80fd\u4f1a\u5bf9\u76d1\u542c\u5957\u63a5\u5b57\u8fdb\u884c\u67d0\u79cd\u8bef\u64cd\u4f5c&#xff0c;\u6b64\u65f6\u5c31\u4f1a\u5bf9\u76d1\u542c\u5957\u63a5\u5b57\u5f53\u4e2d\u7684\u6570\u636e\u9020\u6210\u5f71\u54cd\u3002<\/li>\n<\/ul>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5ffd\u7565SIGCHLD\u4fe1\u53f7<\/span><br \/>\n        <span class=\"token function\">signal<\/span><span class=\"token punctuation\">(<\/span>SIGCHLD<span class=\"token punctuation\">,<\/span>SIG_IGN<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u83b7\u53d6\u8fde\u63a5 <\/span><br \/>\n            <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> peer<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">bzero<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;accept error,continue&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            std<span class=\"token double-colon punctuation\">::<\/span>string client_ip <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_ntoa<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> client_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ntohs<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;get a new link -&gt; &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> sockfd <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;[&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_ip <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;]:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_port <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p>            pid_t id <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">fork<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>id <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/child<\/span><br \/>\n                <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">fork<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token comment\">\/\/\u7238\u7238\u8fdb\u7a0b\u76f4\u63a5\u9000\u51fa<\/span><br \/>\n                    <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token comment\">\/\/\u5b59\u5b50\u8fdb\u7a0b<\/span><br \/>\n                <span class=\"token comment\">\/\/\u5904\u7406\u8bf7\u6c42<\/span><br \/>\n                <span class=\"token function\">Service<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span>client_ip<span class=\"token punctuation\">,<\/span>client_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/\u5b59\u5b50\u8fdb\u7a0b\u63d0\u4f9b\u5b8c\u670d\u52a1\u9000\u51fa<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">waitpid<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u7b49\u5f85\u7238\u7238\u8fdb\u7a0b&#xff0c;\u4f1a\u7acb\u523b\u7b49\u5f85\u6210\u529f<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>&#x1f4bb;\u670d\u52a1\u5668\u6d4b\u8bd5<\/p>\n<p>\u91cd\u65b0\u7f16\u8bd1\u7a0b\u5e8f\u8fd0\u884c\u5ba2\u6237\u7aef\u540e&#xff0c;\u7ee7\u7eed\u4f7f\u7528\u76d1\u63a7\u811a\u672c\u5bf9\u670d\u52a1\u8fdb\u7a0b\u8fdb\u884c\u5b9e\u65f6\u76d1\u63a7\u3002<\/p>\n<p><span class=\"token keyword\">while<\/span> <span class=\"token operator\">:<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">do<\/span> ps axj <span class=\"token operator\">|<\/span> head <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">&amp;&amp;<\/span> ps axj <span class=\"token operator\">|<\/span> grep tcpserver <span class=\"token operator\">|<\/span> grep <span class=\"token operator\">&#8211;<\/span>v grep<span class=\"token punctuation\">;<\/span>echo <span class=\"token string\">&#034;######################&#034;<\/span><span class=\"token punctuation\">;<\/span>sleep <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span>done<\/p>\n<p>\u6b64\u65f6\u6ca1\u6709\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668&#xff0c;\u56e0\u6b64\u4e5f\u662f\u53ea\u76d1\u63a7\u5230\u4e86\u4e00\u4e2a\u670d\u52a1\u8fdb\u7a0b&#xff0c;\u8be5\u670d\u52a1\u8fdb\u7a0b\u6b63\u5728\u7b49\u5f85\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u8fde\u63a5\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610083626-6847ee8a21400.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u6b64\u65f6\u6211\u4eec\u8fd0\u884c\u4e00\u4e2a\u5ba2\u6237\u7aef&#xff0c;\u8ba9\u8be5\u5ba2\u6237\u7aef\u8fde\u63a5\u5f53\u524d\u8fd9\u4e2a\u670d\u52a1\u5668&#xff0c;\u6b64\u65f6\u670d\u52a1\u8fdb\u7a0b\u4f1a\u521b\u5efa\u51fa\u7238\u7238\u8fdb\u7a0b&#xff0c;\u7238\u7238\u8fdb\u7a0b\u518d\u521b\u5efa\u51fa\u5b59\u5b50\u8fdb\u7a0b&#xff0c;\u4e4b\u540e\u7238\u7238\u8fdb\u7a0b\u5c31\u4f1a\u7acb\u523b\u9000\u51fa&#xff0c;\u800c\u7531\u5b59\u5b50\u8fdb\u7a0b\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u3002\u56e0\u6b64\u8fd9\u65f6\u6211\u4eec\u53ea\u770b\u5230\u4e86\u4e24\u4e2a\u670d\u52a1\u8fdb\u7a0b&#xff0c;\u5176\u4e2d\u4e00\u4e2a\u662f\u4e00\u5f00\u59cb\u7528\u4e8e\u83b7\u53d6\u8fde\u63a5\u7684\u670d\u52a1\u8fdb\u7a0b&#xff0c;\u8fd8\u6709\u4e00\u4e2a\u5c31\u662f\u5b59\u5b50\u8fdb\u7a0b&#xff0c;\u8be5\u8fdb\u7a0b\u4e3a\u5f53\u524d\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1&#xff0c;\u5b83\u7684PPID\u4e3a1&#xff0c;\u8868\u660e\u8fd9\u662f\u4e00\u4e2a\u5b64\u513f\u8fdb\u7a0b\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610083626-6847ee8a518e9.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5f53\u6211\u4eec\u8fd0\u884c\u7b2c\u4e8c\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668\u65f6&#xff0c;\u6b64\u65f6\u5c31\u53c8\u4f1a\u521b\u5efa\u51fa\u4e00\u4e2a\u5b64\u513f\u8fdb\u7a0b\u4e3a\u8be5\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u3002 <img decoding=\"async\" src=\"2025-06-10zudy5i21dgt.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u6b64\u65f6\u8fd9\u4e24\u4e2a\u5ba2\u6237\u7aef\u662f\u7531\u4e24\u4e2a\u4e0d\u540c\u7684\u5b64\u513f\u8fdb\u7a0b\u63d0\u4f9b\u670d\u52a1\u7684&#xff0c;\u56e0\u6b64\u5b83\u4eec\u4e5f\u662f\u80fd\u591f\u540c\u65f6\u4eab\u53d7\u5230\u670d\u52a1\u7684&#xff0c;\u53ef\u4ee5\u770b\u5230\u8fd9\u4e24\u4e2a\u5ba2\u6237\u7aef\u53d1\u9001\u7ed9\u670d\u52a1\u7aef\u7684\u6570\u636e\u90fd\u80fd\u591f\u5728\u670d\u52a1\u7aef\u8f93\u51fa&#xff0c;\u5e76\u4e14\u670d\u52a1\u7aef\u4e5f\u4f1a\u5bf9\u5b83\u4eec\u7684\u6570\u636e\u8fdb\u884c\u54cd\u5e94\u3002<\/p>\n<p><img decoding=\"async\" src=\"2025-06-10bukr0gxva3h.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5f53\u5ba2\u6237\u7aef\u5168\u90e8\u9000\u51fa\u540e&#xff0c;\u5bf9\u5e94\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u7684\u5b64\u513f\u8fdb\u7a0b\u4e5f\u4f1a\u8ddf\u7740\u9000\u51fa&#xff0c;\u8fd9\u65f6\u8fd9\u4e9b\u5b64\u513f\u8fdb\u7a0b\u4f1a\u88ab\u7cfb\u7edf\u56de\u6536&#xff0c;\u800c\u6700\u7ec8\u5269\u4e0b\u90a3\u4e2a\u83b7\u53d6\u8fde\u63a5\u7684\u670d\u52a1\u8fdb\u7a0b\u3002 <img decoding=\"async\" src=\"2025-06-10uatx3yj1itk.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>\u591a\u7ebf\u7a0b\u7248\u7684TCP\u7f51\u7edc\u7a0b\u5e8f<\/h2>\n<p>&#x1f4bb;\u521b\u5efa\u8fdb\u7a0b\u7684\u6210\u672c\u662f\u5f88\u9ad8\u7684&#xff0c;\u521b\u5efa\u8fdb\u7a0b\u65f6\u9700\u8981\u521b\u5efa\u8be5\u8fdb\u7a0b\u5bf9\u5e94\u7684\u8fdb\u7a0b\u63a7\u5236\u5757&#xff08;task_struct&#xff09;\u3001\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4&#xff08;mm_struct&#xff09;\u3001\u9875\u8868\u7b49\u6570\u636e\u7ed3\u6784\u3002\u800c\u521b\u5efa\u7ebf\u7a0b\u7684\u6210\u672c\u6bd4\u521b\u5efa\u8fdb\u7a0b\u7684\u6210\u672c\u4f1a\u5c0f\u5f97\u591a&#xff0c;\u56e0\u4e3a\u7ebf\u7a0b\u672c\u8d28\u662f\u5728\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u5185\u8fd0\u884c&#xff0c;\u521b\u5efa\u51fa\u6765\u7684\u7ebf\u7a0b\u4f1a\u5171\u4eab\u8be5\u8fdb\u7a0b\u7684\u5927\u90e8\u5206\u8d44\u6e90&#xff0c;\u56e0\u6b64\u5728\u5b9e\u73b0\u591a\u6267\u884c\u6d41\u7684\u670d\u52a1\u5668\u65f6\u6700\u597d\u91c7\u7528\u591a\u7ebf\u7a0b\u8fdb\u884c\u5b9e\u73b0\u3002<\/p>\n<p>\u5f53\u670d\u52a1\u8fdb\u7a0b\u8c03\u7528accept\u51fd\u6570\u83b7\u53d6\u5230\u4e00\u4e2a\u65b0\u8fde\u63a5\u540e&#xff0c;\u5c31\u53ef\u4ee5\u76f4\u63a5\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b&#xff0c;\u8ba9\u8be5\u7ebf\u7a0b\u4e3a\u5bf9\u5e94\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u3002<\/p>\n<p>\u5f53\u7136&#xff0c;\u4e3b\u7ebf\u7a0b&#xff08;\u670d\u52a1\u8fdb\u7a0b&#xff09;\u521b\u5efa\u51fa\u65b0\u7ebf\u7a0b\u540e&#xff0c;\u4e5f\u662f\u9700\u8981\u7b49\u5f85\u65b0\u7ebf\u7a0b\u9000\u51fa\u7684&#xff0c;\u5426\u5219\u4e5f\u4f1a\u9020\u6210\u7c7b\u4f3c\u4e8e\u50f5\u5c38\u8fdb\u7a0b\u8fd9\u6837\u7684\u95ee\u9898\u3002\u4f46\u5bf9\u4e8e\u7ebf\u7a0b\u6765\u8bf4&#xff0c;\u5982\u679c\u4e0d\u60f3\u8ba9\u4e3b\u7ebf\u7a0b\u7b49\u5f85\u65b0\u7ebf\u7a0b\u9000\u51fa&#xff0c;\u53ef\u4ee5\u8ba9\u521b\u5efa\u51fa\u6765\u7684\u65b0\u7ebf\u7a0b\u8c03\u7528pthread_detach\u51fd\u6570\u8fdb\u884c\u7ebf\u7a0b\u5206\u79bb&#xff0c;\u5f53\u8fd9\u4e2a\u7ebf\u7a0b\u9000\u51fa\u65f6\u7cfb\u7edf\u4f1a\u81ea\u52a8\u56de\u6536\u8be5\u7ebf\u7a0b\u6240\u5bf9\u5e94\u7684\u8d44\u6e90\u3002\u6b64\u65f6\u4e3b\u7ebf\u7a0b&#xff08;\u670d\u52a1\u8fdb\u7a0b&#xff09;\u5c31\u53ef\u4ee5\u7ee7\u7eed\u8c03\u7528accept\u51fd\u6570\u83b7\u53d6\u65b0\u8fde\u63a5&#xff0c;\u800c\u8ba9\u65b0\u7ebf\u7a0b\u53bb\u670d\u52a1\u5bf9\u5e94\u7684\u5ba2\u6237\u7aef\u3002<\/p>\n<p>&#x1f4bb;\u5404\u4e2a\u7ebf\u7a0b\u5171\u4eab\u540c\u4e00\u5f20\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868<\/p>\n<p>\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868\u7ef4\u62a4\u7684\u662f\u8fdb\u7a0b\u4e0e\u6587\u4ef6\u4e4b\u95f4\u7684\u5bf9\u5e94\u5173\u7cfb&#xff0c;\u56e0\u6b64\u4e00\u4e2a\u8fdb\u7a0b\u5bf9\u5e94\u4e00\u5f20\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868\u3002\u800c\u4e3b\u7ebf\u7a0b\u521b\u5efa\u51fa\u6765\u7684\u65b0\u7ebf\u7a0b\u4f9d\u65e7\u5c5e\u4e8e\u8fd9\u4e2a\u8fdb\u7a0b&#xff0c;\u56e0\u6b64\u521b\u5efa\u7ebf\u7a0b\u65f6\u5e76\u4e0d\u4f1a\u4e3a\u8be5\u7ebf\u7a0b\u521b\u5efa\u72ec\u7acb\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868&#xff0c;\u6240\u6709\u7684\u7ebf\u7a0b\u770b\u5230\u7684\u90fd\u662f\u540c\u4e00\u5f20\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868\u3002<\/p>\n<p><img decoding=\"async\" src=\"2025-06-10k3t2c1r43or.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/>\u56e0\u6b64\u5f53\u670d\u52a1\u8fdb\u7a0b&#xff08;\u4e3b\u7ebf\u7a0b&#xff09;\u8c03\u7528accept\u51fd\u6570\u83b7\u53d6\u5230\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\u540e&#xff0c;\u5176\u4ed6\u521b\u5efa\u7684\u65b0\u7ebf\u7a0b\u662f\u80fd\u591f\u76f4\u63a5\u8bbf\u95ee\u8fd9\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f&#xff0c;\u867d\u7136\u65b0\u7ebf\u7a0b\u80fd\u591f\u76f4\u63a5\u8bbf\u95ee\u4e3b\u7ebf\u7a0baccept\u4e0a\u6765\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u4f46\u6b64\u65f6\u65b0\u7ebf\u7a0b\u5e76\u4e0d\u77e5\u9053\u5b83\u6240\u670d\u52a1\u7684\u5ba2\u6237\u7aef\u5bf9\u5e94\u7684\u662f\u54ea\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u56e0\u6b64\u4e3b\u7ebf\u7a0b\u521b\u5efa\u65b0\u7ebf\u7a0b\u540e\u9700\u8981\u544a\u8bc9\u65b0\u7ebf\u7a0b\u5bf9\u5e94\u5e94\u8be5\u8bbf\u95ee\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u503c&#xff0c;\u4e5f\u5c31\u662f\u544a\u8bc9\u6bcf\u4e2a\u65b0\u7ebf\u7a0b\u5728\u670d\u52a1\u5ba2\u6237\u7aef\u65f6&#xff0c;\u5e94\u8be5\u5bf9\u54ea\u4e00\u4e2a\u5957\u63a5\u5b57\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<p>&#x1f4bb;\u53c2\u6570\u7ed3\u6784\u4f53<\/p>\n<p>\u5b9e\u9645\u65b0\u7ebf\u7a0b\u5728\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u65f6\u5c31\u662f\u8c03\u7528Service\u51fd\u6570&#xff0c;\u800c\u8c03\u7528Service\u51fd\u6570\u65f6\u662f\u9700\u8981\u4f20\u5165\u4e09\u4e2a\u53c2\u6570\u7684&#xff0c;\u5206\u522b\u662f\u5ba2\u6237\u7aef\u5bf9\u5e94\u7684\u5957\u63a5\u5b57\u3001IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u3002\u56e0\u6b64\u4e3b\u7ebf\u7a0b\u521b\u5efa\u65b0\u7ebf\u7a0b\u65f6\u9700\u8981\u7ed9\u65b0\u7ebf\u7a0b\u4f20\u5165\u4e09\u4e2a\u53c2\u6570&#xff0c;\u800c\u5b9e\u9645\u5728\u8c03\u7528pthread_create\u51fd\u6570\u521b\u5efa\u65b0\u7ebf\u7a0b\u65f6&#xff0c;\u53ea\u80fd\u4f20\u5165\u4e00\u4e2a\u7c7b\u578b\u4e3avoid*\u7684\u53c2\u6570\u3002<\/p>\n<p>\u8fd9\u65f6\u6211\u4eec\u53ef\u4ee5\u8bbe\u8ba1\u4e00\u4e2a\u53c2\u6570\u7ed3\u6784\u4f53Param&#xff0c;\u6b64\u65f6\u8fd9\u4e09\u4e2a\u53c2\u6570\u5c31\u53ef\u4ee5\u653e\u5230Param\u7ed3\u6784\u4f53\u5f53\u4e2d&#xff0c;\u5f53\u4e3b\u7ebf\u7a0b\u521b\u5efa\u65b0\u7ebf\u7a0b\u65f6\u5c31\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2aParam\u5bf9\u8c61&#xff0c;\u5c06\u5ba2\u6237\u7aef\u5bf9\u5e94\u7684\u5957\u63a5\u5b57\u3001IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u8bbe\u8ba1\u8fdb\u8fd9\u4e2aParam\u5bf9\u8c61\u5f53\u4e2d&#xff0c;\u7136\u540e\u5c06Param\u5bf9\u8c61\u7684\u5730\u5740\u4f5c\u4e3a\u65b0\u7ebf\u7a0b\u6267\u884c\u4f8b\u7a0b\u7684\u53c2\u6570\u8fdb\u884c\u4f20\u5165\u3002<\/p>\n<p>\u6b64\u65f6\u65b0\u7ebf\u7a0b\u5728\u6267\u884c\u4f8b\u7a0b\u5f53\u4e2d\u518d\u5c06\u8fd9\u4e2avoid\u7c7b\u578b\u7684\u53c2\u6570\u5f3a\u8f6c\u4e3aParam\u7c7b\u578b&#xff0c;\u7136\u540e\u5c31\u80fd\u591f\u62ff\u5230\u5ba2\u6237\u7aef\u5bf9\u5e94\u7684\u5957\u63a5\u5b57&#xff0c;IP\u5730\u5740\u548c\u7aef\u53e3\u53f7&#xff0c;\u8fdb\u800c\u8c03\u7528Service\u51fd\u6570\u4e3a\u5bf9\u5e94\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u3002<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Param<\/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\">Param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sockfd<span class=\"token punctuation\">,<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string ip<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">int<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span><span class=\"token function\">_sockfd<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_ip<\/span><span class=\"token punctuation\">(<\/span>ip<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">Param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _sockfd<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string _ip<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _port<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>&#x1f4bb;\u6587\u4ef6\u63cf\u8ff0\u7b26\u5173\u95ed\u7684\u95ee\u9898<\/p>\n<p>\u7531\u4e8e\u6b64\u65f6\u6240\u6709\u7ebf\u7a0b\u770b\u5230\u7684\u90fd\u662f\u540c\u4e00\u5f20\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868&#xff0c;\u56e0\u6b64\u5f53\u67d0\u4e2a\u7ebf\u7a0b\u8981\u5bf9\u8fd9\u5f20\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868\u505a\u67d0\u79cd\u64cd\u4f5c\u65f6&#xff0c;\u4e0d\u4ec5\u8981\u8003\u8651\u5f53\u524d\u7ebf\u7a0b&#xff0c;\u8fd8\u8981\u8003\u8651\u5176\u4ed6\u7ebf\u7a0b\u3002<\/p>\n<ul>\n<li>\u5bf9\u4e8e\u4e3b\u7ebf\u7a0baccept\u4e0a\u6765\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u4e3b\u7ebf\u7a0b\u4e0d\u80fd\u5bf9\u5176\u8fdb\u884c\u5173\u95ed\u64cd\u4f5c&#xff0c;\u8be5\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u5173\u95ed\u64cd\u4f5c\u5e94\u8be5\u53c8\u65b0\u7ebf\u7a0b\u6765\u6267\u884c\u3002\u56e0\u4e3a\u662f\u65b0\u7ebf\u7a0b\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u7684&#xff0c;\u53ea\u6709\u5f53\u65b0\u7ebf\u7a0b\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u7684\u670d\u52a1\u7ed3\u675f\u540e\u624d\u80fd\u5c06\u8be5\u6587\u4ef6\u63cf\u8ff0\u7b26\u5173\u95ed\u3002<\/li>\n<li>\u5bf9\u4e8e\u76d1\u542c\u5957\u63a5\u5b57&#xff0c;\u867d\u7136\u521b\u5efa\u51fa\u6765\u7684\u65b0\u7ebf\u7a0b\u4e0d\u5fc5\u5173\u5fc3\u76d1\u542c\u5957\u63a5\u5b57&#xff0c;\u4f46\u65b0\u7ebf\u7a0b\u4e0d\u80fd\u5c06\u76d1\u542c\u5957\u63a5\u5b57\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u5173\u95ed&#xff0c;\u5426\u5219\u4e3b\u7ebf\u7a0b\u5c31\u65e0\u6cd5\u4ece\u76d1\u542c\u5957\u63a5\u5b57\u5f53\u4e2d\u83b7\u53d6\u65b0\u8fde\u63a5\u4e86\u3002<\/li>\n<\/ul>\n<p>&#x1f4bb;Service\u51fd\u6570\u5b9a\u4e49\u4e3a\u9759\u6001\u6210\u5458\u51fd\u6570<\/p>\n<p>\u7531\u4e8e\u8c03\u7528pthread_create\u51fd\u6570\u521b\u5efa\u7ebf\u7a0b\u65f6&#xff0c;\u65b0\u7ebf\u7a0b\u7684\u6267\u884c\u4f8b\u7a0b\u662f\u4e00\u4e2a\u53c2\u6570\u4e3avoid*&#xff0c;\u8fd4\u56de\u503c\u4e3avoid*\u7684\u51fd\u6570\u3002\u5982\u679c\u6211\u4eec\u8981\u5c06\u8fd9\u4e2a\u6267\u884c\u4f8b\u7a0b\u5b9a\u4e49\u5230\u7c7b\u5185&#xff0c;\u5c31\u9700\u8981\u5c06\u5176\u5b9a\u4e49\u4e3a\u9759\u6001\u6210\u5458\u51fd\u6570&#xff0c;\u5426\u5219\u8fd9\u4e2a\u6267\u884c\u4f8b\u7a0b\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u9690\u85cf\u7684this\u6307\u9488\u3002<\/p>\n<p>\u5728\u7ebf\u7a0b\u7684\u6267\u884c\u4f8b\u7a0b\u5f53\u4e2d\u4f1a\u8c03\u7528Service\u51fd\u6570&#xff0c;\u7531\u4e8e\u6267\u884c\u4f8b\u7a0b\u662f\u9759\u6001\u6210\u5458\u51fd\u6570&#xff0c;\u9759\u6001\u6210\u5458\u51fd\u6570\u65e0\u6cd5\u8c03\u7528\u975e\u9759\u6001\u6210\u5458\u51fd\u6570&#xff0c;\u56e0\u6b64\u6211\u4eec\u9700\u8981\u5c06Service\u51fd\u6570\u5b9a\u4e49\u4e3a\u9759\u6001\u6210\u5458\u51fd\u6570\u3002\u6070\u597dService\u51fd\u6570\u5185\u90e8\u8fdb\u884c\u7684\u64cd\u4f5c\u90fd\u662f\u4e0e\u7c7b\u65e0\u5173\u7684&#xff0c;\u56e0\u6b64\u6211\u4eec\u76f4\u63a5\u5728Service\u51fd\u6570\u524d\u9762\u52a0\u4e0a\u4e00\u4e2astatic\u5373\u53ef\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdint.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;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;memory&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstring&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;signal.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/wait.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Param<\/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\">Param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sockfd<span class=\"token punctuation\">,<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string ip<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">int<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span><span class=\"token function\">_sockfd<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_ip<\/span><span class=\"token punctuation\">(<\/span>ip<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">Param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">int<\/span> _sockfd<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string _ip<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _port<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> BACKLOG <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TcpServer<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span><span class=\"token function\">_listen_sockfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> <span class=\"token function\">HandlerRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> arg<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">pthread_detach<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">pthread_self<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5206\u79bb\u7ebf\u7a0b<\/span><br \/>\n        Param<span class=\"token operator\">*<\/span> p <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>Param<span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>arg<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token function\">Service<\/span><span class=\"token punctuation\">(<\/span>p<span class=\"token operator\">-&gt;<\/span>_sockfd<span class=\"token punctuation\">,<\/span>p<span class=\"token operator\">-&gt;<\/span>_ip<span class=\"token punctuation\">,<\/span>p<span class=\"token operator\">-&gt;<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">delete<\/span> p<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">Service<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sockfd<span class=\"token punctuation\">,<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string client_ip<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">int<\/span> client_port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            ssize_t size <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span>buffer<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>size <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                buffer<span class=\"token punctuation\">[<\/span>size<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token char\">&#039;\\\\0&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;[&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_ip <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;]:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> buffer <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span>buffer<span class=\"token punctuation\">,<\/span>size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>size <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u5bf9\u7aef\u5173\u95ed<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> client_ip <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_port <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; close!&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;read error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> client_ip <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_port <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; service done!&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5ffd\u7565SIGCHLD\u4fe1\u53f7<\/span><br \/>\n        <span class=\"token function\">signal<\/span><span class=\"token punctuation\">(<\/span>SIGCHLD<span class=\"token punctuation\">,<\/span>SIG_IGN<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u83b7\u53d6\u8fde\u63a5 <\/span><br \/>\n            <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> peer<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">bzero<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;accept error,continue&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            std<span class=\"token double-colon punctuation\">::<\/span>string client_ip <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_ntoa<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> client_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ntohs<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;get a new link -&gt; &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> sockfd <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;[&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_ip <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;]:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_port <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p>            Param<span class=\"token operator\">*<\/span> p <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">Param<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span>client_ip<span class=\"token punctuation\">,<\/span>client_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            pthread_t tid<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">pthread_create<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>tid<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">,<\/span>HandlerRequest<span class=\"token punctuation\">,<\/span>p<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">InitServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u521b\u5efa\u5957\u63a5\u5b57<\/span><br \/>\n        _listen_sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span>SOCK_STREAM<span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;socket error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u7ed1\u5b9a<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> local<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span><span class=\"token char\">&#039;\\\\0&#039;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> INADDR_ANY<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;bind error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u76d1\u542c<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">,<\/span>BACKLOG<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;listen error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/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><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _listen_sockfd<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5957\u63a5\u5b57<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _port<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u7aef\u53e3\u53f7<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>&#x1f4bb;\u4ee3\u7801\u6d4b\u8bd5<\/p>\n<p>\u6b64\u65f6\u6211\u4eec\u518d\u91cd\u65b0\u7f16\u8bd1\u670d\u52a1\u7aef\u4ee3\u7801&#xff0c;\u7531\u4e8e\u4ee3\u7801\u5f53\u4e2d\u7528\u5230\u4e86\u591a\u7ebf\u7a0b&#xff0c;\u56e0\u6b64\u7f16\u8bd1\u65f6\u9700\u8981\u643a\u5e26\u4e0a-pthread\u9009\u9879\u3002\u6b64\u5916&#xff0c;\u7531\u4e8e\u6211\u4eec\u73b0\u5728\u8981\u76d1\u6d4b\u7684\u662f\u4e00\u4e2a\u4e2a\u7684\u7ebf\u7a0b&#xff0c;\u56e0\u6b64\u5728\u76d1\u63a7\u65f6\u4f7f\u7528\u7684\u4e0d\u518d\u662fps -axj\u547d\u4ee4&#xff0c;\u800c\u662fps -aL\u547d\u4ee4\u3002<\/p>\n<p><span class=\"token keyword\">while<\/span> <span class=\"token operator\">:<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">do<\/span> ps <span class=\"token operator\">&#8211;<\/span>aL<span class=\"token operator\">|<\/span>head <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token operator\">&amp;&amp;<\/span>ps <span class=\"token operator\">&#8211;<\/span>aL<span class=\"token operator\">|<\/span>grep tcpserver<span class=\"token punctuation\">;<\/span>echo <span class=\"token string\">&#034;####################&#034;<\/span><span class=\"token punctuation\">;<\/span>sleep <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span>done<\/p>\n<p>\u8fd0\u884c\u670d\u52a1\u7aef&#xff0c;\u901a\u8fc7\u76d1\u63a7\u53ef\u4ee5\u770b\u5230&#xff0c;\u6b64\u65f6\u53ea\u6709\u4e00\u4e2a\u670d\u52a1\u7ebf\u7a0b&#xff0c;\u8be5\u670d\u52a1\u7ebf\u7a0b\u5c31\u662f\u4e3b\u7ebf\u7a0b&#xff0c;\u5b83\u73b0\u5728\u5728\u7b49\u5f85\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u5230\u6765\u3002 <img decoding=\"async\" src=\"2025-06-10ruv2vwpsz2f.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5f53\u4e00\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u670d\u52a1\u7aef\u540e&#xff0c;\u6b64\u65f6\u4e3b\u7ebf\u7a0b\u5c31\u4f1a\u4e3a\u8be5\u5ba2\u6237\u7aef\u6784\u5efa\u4e00\u4e2a\u53c2\u6570\u7ed3\u6784\u4f53&#xff0c;\u7136\u540e\u521b\u5efa\u4e00\u4e2a\u65b0\u7ebf\u7a0b&#xff0c;\u5c06\u8be5\u53c2\u6570\u7ed3\u6784\u4f53\u7684\u5730\u5740\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u8fd9\u4e2a\u65b0\u7ebf\u7a0b&#xff0c;\u6b64\u65f6\u8be5\u65b0\u7ebf\u7a0b\u5c31\u80fd\u591f\u4ece\u8fd9\u4e2a\u53c2\u6570\u7ed3\u6784\u4f53\u5f53\u4e2d\u63d0\u53d6\u51fa\u5bf9\u5e94\u7684\u53c2\u6570&#xff0c;\u7136\u540e\u8c03\u7528Service\u51fd\u6570\u4e3a\u8be5\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1&#xff0c;\u56e0\u6b64\u5728\u76d1\u63a7\u5f53\u4e2d\u663e\u793a\u4e86\u4e24\u4e2a\u7ebf\u7a0b\u3002 <img decoding=\"async\" src=\"2025-06-1040043kxw2l0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5f53\u7b2c\u4e8c\u4e2a\u5ba2\u6237\u7aef\u53d1\u6765\u8fde\u63a5\u8bf7\u6c42\u65f6&#xff0c;\u4e3b\u7ebf\u7a0b\u4f1a\u8fdb\u884c\u76f8\u540c\u7684\u64cd\u4f5c&#xff0c;\u6700\u7ec8\u518d\u521b\u5efa\u51fa\u4e00\u4e2a\u65b0\u7ebf\u7a0b\u4e3a\u8be5\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1&#xff0c;\u6b64\u65f6\u670d\u52a1\u7aef\u5f53\u4e2d\u5c31\u6709\u4e86\u4e09\u4e2a\u7ebf\u7a0b\u3002 <img decoding=\"async\" src=\"2025-06-10hfqrrffye2u.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u7531\u4e8e\u4e3a\u8fd9\u4e24\u4e2a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u7684\u4e5f\u662f\u4e24\u4e2a\u4e0d\u540c\u7684\u6267\u884c\u6d41&#xff0c;\u56e0\u6b64\u8fd9\u4e24\u4e2a\u5ba2\u6237\u7aef\u53ef\u4ee5\u540c\u65f6\u4eab\u53d7\u670d\u52a1\u7aef\u63d0\u4f9b\u7684\u670d\u52a1&#xff0c;\u5b83\u4eec\u53d1\u9001\u7ed9\u670d\u52a1\u7aef\u7684\u6d88\u606f\u4e5f\u90fd\u80fd\u591f\u5728\u670d\u52a1\u7aef\u8fdb\u884c\u6253\u5370&#xff0c;\u5e76\u4e14\u8fd9\u4e24\u4e2a\u5ba2\u6237\u7aef\u4e5f\u90fd\u80fd\u591f\u6536\u5230\u670d\u52a1\u7aef\u7684\u56de\u663e\u6570\u636e\u3002 <img decoding=\"async\" src=\"2025-06-10xsot1gmflfk.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u6b64\u65f6\u65e0\u8bba\u6709\u591a\u5c11\u4e2a\u5ba2\u6237\u7aef\u53d1\u6765\u8fde\u63a5\u8bf7\u6c42&#xff0c;\u5728\u670d\u52a1\u7aef\u90fd\u4f1a\u521b\u5efa\u51fa\u76f8\u5e94\u6570\u91cf\u7684\u65b0\u7ebf\u7a0b\u4e3a\u5bf9\u5e94\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1&#xff0c;\u800c\u5f53\u5ba2\u6237\u7aef\u4e00\u4e2a\u4e2a\u9000\u51fa\u540e&#xff0c;\u4e3a\u5176\u63d0\u4f9b\u670d\u52a1\u7684\u65b0\u7ebf\u7a0b\u4e5f\u5c31\u4f1a\u76f8\u7ee7\u9000\u51fa&#xff0c;\u6700\u7ec8\u5c31\u53ea\u5269\u4e0b\u6700\u521d\u7684\u4e3b\u7ebf\u7a0b\u4ecd\u5728\u7b49\u5f85\u65b0\u8fde\u63a5\u7684\u5230\u6765\u3002<\/p>\n<h2>\u7ebf\u7a0b\u6c60\u7248\u7684TCP\u7f51\u7edc\u7a0b\u5e8f<\/h2>\n<p>&#x1f4bb;\u5355\u7eaf\u591a\u7ebf\u7a0b\u5b58\u5728\u7684\u95ee\u9898<\/p>\n<p>\u5f53\u524d\u591a\u7ebf\u7a0b\u7248\u7684\u670d\u52a1\u5668\u5b58\u5728\u7684\u95ee\u9898&#xff1a;<\/p>\n<ul>\n<li>\u6bcf\u5f53\u6709\u65b0\u8fde\u63a5\u5230\u6765\u65f6&#xff0c;\u670d\u52a1\u7aef\u7684\u4e3b\u7ebf\u7a0b\u90fd\u4f1a\u91cd\u65b0\u4e3a\u8be5\u5ba2\u6237\u7aef\u521b\u5efa\u4e3a\u5176\u63d0\u4f9b\u670d\u52a1\u7684\u65b0\u7ebf\u7a0b&#xff0c;\u800c\u5f53\u670d\u52a1\u7ed3\u675f\u540e\u53c8\u4f1a\u5c06\u8be5\u65b0\u7ebf\u7a0b\u9500\u6bc1\u3002\u8fd9\u6837\u505a\u4e0d\u4ec5\u9ebb\u70e6&#xff0c;\u800c\u4e14\u6548\u7387\u4f4e\u4e0b&#xff0c;\u6bcf\u5f53\u8fde\u63a5\u5230\u6765\u7684\u65f6\u5019\u670d\u52a1\u7aef\u624d\u521b\u5efa\u5bf9\u5e94\u63d0\u4f9b\u670d\u52a1\u7684\u7ebf\u7a0b\u3002<\/li>\n<li>\u5982\u679c\u6709\u5927\u91cf\u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u8bf7\u6c42&#xff0c;\u6b64\u65f6\u670d\u52a1\u7aef\u8981\u4e3a\u6bcf\u4e00\u4e2a\u5ba2\u6237\u7aef\u521b\u5efa\u5bf9\u5e94\u7684\u670d\u52a1\u7ebf\u7a0b\u3002\u8ba1\u7b97\u673a\u5f53\u4e2d\u7684\u7ebf\u7a0b\u8d8a\u591a&#xff0c;CPU\u7684\u538b\u529b\u5c31\u8d8a\u5927&#xff0c;\u56e0\u4e3aCPU\u8981\u4e0d\u65ad\u5728\u8fd9\u4e9b\u7ebf\u7a0b\u4e4b\u95f4\u6765\u56de\u5207\u6362&#xff0c;\u6b64\u65f6CPU\u5728\u8c03\u5ea6\u7ebf\u7a0b\u7684\u65f6\u5019&#xff0c;\u7ebf\u7a0b\u548c\u7ebf\u7a0b\u4e4b\u95f4\u5207\u6362\u7684\u6210\u672c\u5c31\u4f1a\u53d8\u5f97\u5f88\u9ad8\u3002\u6b64\u5916&#xff0c;\u4e00\u65e6\u7ebf\u7a0b\u592a\u591a&#xff0c;\u6bcf\u4e00\u4e2a\u7ebf\u7a0b\u518d\u6b21\u88ab\u8c03\u5ea6\u7684\u5468\u671f\u5c31\u53d8\u957f\u4e86&#xff0c;\u800c\u7ebf\u7a0b\u662f\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u7684&#xff0c;\u7ebf\u7a0b\u88ab\u8c03\u5ea6\u7684\u5468\u671f\u53d8\u957f&#xff0c;\u5ba2\u6237\u7aef\u4e5f\u8fdf\u8fdf\u5f97\u4e0d\u5230\u5e94\u7b54\u3002<\/li>\n<\/ul>\n<p>&#x1f4bb;\u89e3\u51b3\u601d\u8def<\/p>\n<p>\u9488\u5bf9\u8fd9\u4e24\u4e2a\u95ee\u9898&#xff0c;\u5bf9\u5e94\u7684\u89e3\u51b3\u601d\u8def\u5982\u4e0b&#xff1a;<\/p>\n<ul>\n<li>\u53ef\u4ee5\u5728\u670d\u52a1\u7aef\u9884\u5148\u521b\u5efa\u4e00\u6279\u7ebf\u7a0b&#xff0c;\u5f53\u6709\u5ba2\u6237\u7aef\u8bf7\u6c42\u8fde\u63a5\u65f6\u5c31\u8ba9\u8fd9\u4e9b\u7ebf\u7a0b\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1&#xff0c;\u6b64\u65f6\u5ba2\u6237\u7aef\u4e00\u6765\u5c31\u6709\u7ebf\u7a0b\u4e3a\u5176\u63d0\u4f9b\u670d\u52a1&#xff0c;\u800c\u4e0d\u662f\u5f53\u5ba2\u6237\u7aef\u6765\u4e86\u624d\u521b\u5efa\u5bf9\u5e94\u7684\u670d\u52a1\u7ebf\u7a0b\u3002<\/li>\n<li>\u5f53\u67d0\u4e2a\u7ebf\u7a0b\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u5b8c\u670d\u52a1\u540e&#xff0c;\u4e0d\u8981\u8ba9\u8be5\u7ebf\u7a0b\u9000\u51fa&#xff0c;\u800c\u662f\u8ba9\u8be5\u7ebf\u7a0b\u7ee7\u7eed\u4e3a\u4e0b\u4e00\u4e2a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1&#xff0c;\u5982\u679c\u5f53\u524d\u6ca1\u6709\u5ba2\u6237\u7aef\u8fde\u63a5\u8bf7\u6c42&#xff0c;\u5219\u53ef\u4ee5\u8ba9\u8be5\u7ebf\u7a0b\u5148\u8fdb\u5165\u4f11\u7720\u72b6\u6001&#xff0c;\u5f53\u6709\u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u6765\u65f6\u518d\u5c06\u8be5\u7ebf\u7a0b\u5524\u9192\u3002<\/li>\n<li>\u670d\u52a1\u7aef\u521b\u5efa\u7684\u8fd9\u4e00\u6279\u7ebf\u7a0b\u7684\u6570\u91cf\u4e0d\u80fd\u592a\u591a&#xff0c;\u6b64\u65f6CPU\u7684\u538b\u529b\u4e5f\u5c31\u4e0d\u4f1a\u592a\u5927\u3002\u6b64\u5916&#xff0c;\u5982\u679c\u6709\u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u6765&#xff0c;\u4f46\u6b64\u65f6\u8fd9\u4e00\u6279\u7ebf\u7a0b\u90fd\u5728\u7ed9\u5176\u4ed6\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1&#xff0c;\u8fd9\u65f6\u670d\u52a1\u7aef\u4e0d\u5e94\u8be5\u518d\u521b\u5efa\u7ebf\u7a0b&#xff0c;\u800c\u5e94\u8be5\u8ba9\u8fd9\u4e2a\u65b0\u6765\u7684\u8fde\u63a5\u8bf7\u6c42\u5728\u5168\u8fde\u63a5\u961f\u5217\u8fdb\u884c\u6392\u961f&#xff0c;\u7b49\u670d\u52a1\u7aef\u8fd9\u4e00\u6279\u7ebf\u7a0b\u4e2d\u6709\u7a7a\u95f2\u7ebf\u7a0b\u540e&#xff0c;\u518d\u5c06\u8be5\u8fde\u63a5\u8bf7\u6c42\u83b7\u53d6\u4e0a\u6765\u5e76\u4e3a\u5176\u63d0\u4f9b\u670d\u52a1\u3002<\/li>\n<\/ul>\n<p>&#x1f4bb;\u5f15\u5165\u7ebf\u7a0b\u6c60<\/p>\n<p>\u5b9e\u9645\u8981\u89e3\u51b3\u8fd9\u91cc\u7684\u95ee\u9898\u6211\u4eec\u5c31\u9700\u8981\u5728\u670d\u52a1\u7aef\u5f15\u5165\u7ebf\u7a0b\u6c60&#xff0c;\u56e0\u4e3a\u7ebf\u7a0b\u6c60\u7684\u5b58\u5728\u5c31\u662f\u4e3a\u4e86\u907f\u514d\u5904\u7406\u77ed\u65f6\u95f4\u4efb\u52a1\u65f6\u521b\u5efa\u4e0e\u9500\u6bc1\u7ebf\u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class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> NUM <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">template<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">T<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ThreadPool<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">IsEmpty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _task_queue<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">LockQueue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">pthread_mutex_lock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">UnLockQueue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">pthread_mutex_unlock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Wait<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">pthread_cond_wait<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>_cond<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">WakeUp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">pthread_cond_signal<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>_cond<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">ThreadPool<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> num <span class=\"token operator\">&#061;<\/span> NUM<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span><span class=\"token function\">_thread_num<\/span><span class=\"token punctuation\">(<\/span>num<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">pthread_mutex_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>_mutex<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">pthread_cond_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>_cond<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">ThreadPool<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">pthread_mutex_destroy<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">pthread_cond_destroy<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>_cond<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u7ebf\u7a0b\u6c60\u4e2d\u7ebf\u7a0b\u6267\u884c\u5386\u7a0b<\/span><br \/>\n    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> <span class=\"token function\">Routine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> arg<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">pthread_detach<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">pthread_self<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        ThreadPool<span class=\"token operator\">*<\/span> self <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>ThreadPool<span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>arg<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            self<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">LockQueue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">IsEmpty<\/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                self<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Wait<\/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            T task<span class=\"token punctuation\">;<\/span><br \/>\n            self<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Pop<\/span><span class=\"token punctuation\">(<\/span>task<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            self<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">UnLockQueue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/\u4efb\u52a1\u5904\u7406<\/span><br \/>\n            task<span class=\"token punctuation\">.<\/span><span class=\"token function\">Run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">ThreadPoolInit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        pthread_t tid<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>i <span class=\"token operator\">&lt;<\/span> _thread_num<span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">pthread_create<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>tid<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">,<\/span>Routine<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u5f80\u4efb\u52a1\u961f\u5217\u91cc\u585e\u4efb\u52a1&#xff0c;\u4e3b\u7ebf\u7a0b\u8c03\u7528<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Push<\/span><span class=\"token punctuation\">(<\/span>cosnt T<span class=\"token operator\">&amp;<\/span> task<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">LockQueue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _task_queue<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>task<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">UnLockQueue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">WakeUp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/\u4ece\u4efb\u52a1\u961f\u5217\u4e2d\u83b7\u53d6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Pop<\/span><span class=\"token punctuation\">(<\/span>T<span class=\"token operator\">&amp;<\/span> task<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        task <span class=\"token operator\">&#061;<\/span> _task_queue<span class=\"token punctuation\">.<\/span><span class=\"token function\">front<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _task_queue<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/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    std<span class=\"token double-colon punctuation\">::<\/span>queue<span class=\"token operator\">&lt;<\/span>T<span class=\"token operator\">&gt;<\/span> _task_queue<span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/\u4efb\u52a1\u961f\u5217<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _thread_num<span class=\"token punctuation\">;<\/span>                <span class=\"token comment\">\/\/\u7ebf\u7a0b\u6570\u91cf<\/span><br \/>\n    pthread_mutex_t _mutex<span class=\"token punctuation\">;<\/span>         <span class=\"token comment\">\/\/\u4e92\u65a5\u9501<\/span><br \/>\n    pthread_cond_t _cond<span class=\"token punctuation\">;<\/span>           <span class=\"token comment\">\/\/\u6761\u4ef6\u53d8\u91cf<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>&#x1f4bb;\u670d\u52a1\u7c7b\u65b0\u589e\u7ebf\u7a0b\u6c60\u6210\u5458<\/p>\n<p>\u73b0\u5728\u670d\u52a1\u7aef\u5f15\u5165\u4e86\u7ebf\u7a0b\u6c60&#xff0c;\u56e0\u6b64\u5728\u670d\u52a1\u7c7b\u5f53\u4e2d\u9700\u8981\u65b0\u589e\u4e00\u4e2a\u6307\u5411\u7ebf\u7a0b\u6c60\u7684\u6307\u9488\u6210\u5458&#xff1a;<\/p>\n<ul>\n<li>\u5f53\u5b9e\u4f8b\u5316\u670d\u52a1\u5668\u5bf9\u8c61\u65f6&#xff0c;\u5148\u5c06\u8fd9\u4e2a\u7ebf\u7a0b\u6c60\u6307\u9488\u5148\u521d\u59cb\u5316\u4e3a\u7a7a\u3002<\/li>\n<li>\u5f53\u670d\u52a1\u5668\u521d\u59cb\u5316\u5b8c\u6bd5\u540e&#xff0c;\u518d\u5b9e\u9645\u6784\u9020\u8fd9\u4e2a\u7ebf\u7a0b\u6c60\u5bf9\u8c61&#xff0c;\u5728\u6784\u9020\u7ebf\u7a0b\u6c60\u5bf9\u8c61\u65f6\u53ef\u4ee5\u6307\u5b9a\u7ebf\u7a0b\u6c60\u5f53\u4e2d\u7ebf\u7a0b\u7684\u4e2a\u6570&#xff0c;\u4e5f\u53ef\u4ee5\u4e0d\u6307\u5b9a&#xff0c;\u6b64\u65f6\u9ed8\u8ba4\u7ebf\u7a0b\u7684\u4e2a\u6570\u4e3a5\u3002<\/li>\n<li>\u5728\u542f\u52a8\u670d\u52a1\u5668\u4e4b\u524d\u5bf9\u7ebf\u7a0b\u6c60\u8fdb\u884c\u521d\u59cb\u5316&#xff0c;\u6b64\u65f6\u5c31\u4f1a\u5c06\u7ebf\u7a0b\u6c60\u5f53\u4e2d\u7684\u82e5\u5e72\u7ebf\u7a0b\u521b\u5efa\u51fa\u6765&#xff0c;\u800c\u8fd9\u4e9b\u7ebf\u7a0b\u521b\u5efa\u51fa\u6765\u540e\u5c31\u4f1a\u4e0d\u65ad\u68c0\u6d4b\u4efb\u52a1\u961f\u5217&#xff0c;\u4ece\u4efb\u52a1\u961f\u5217\u5f53\u4e2d\u62ff\u51fa\u4efb\u52a1\u8fdb\u884c\u5904\u7406\u3002<\/li>\n<\/ul>\n<p>\u73b0\u5728\u5f53\u670d\u52a1\u8fdb\u7a0b\u8c03\u7528accept\u51fd\u6570\u83b7\u53d6\u5230\u4e00\u4e2a\u8fde\u63a5\u8bf7\u6c42\u540e&#xff0c;\u5c31\u4f1a\u6839\u636e\u8be5\u5ba2\u6237\u7aef\u7684\u5957\u63a5\u5b57\u3001IP\u5730\u5740\u4ee5\u53ca\u7aef\u53e3\u53f7\u6784\u5efa\u51fa\u4e00\u4e2a\u4efb\u52a1&#xff0c;\u7136\u540e\u8c03\u7528\u7ebf\u7a0b\u6c60\u63d0\u4f9b\u7684Push\u63a5\u53e3\u5c06\u8be5\u4efb\u52a1\u585e\u5165\u4efb\u52a1\u961f\u5217\u3002<\/p>\n<p>\u8fd9\u5b9e\u9645\u4e5f\u662f\u4e00\u4e2a\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u6a21\u578b&#xff0c;\u5176\u4e2d\u670d\u52a1\u8fdb\u7a0b\u5c31\u4f5c\u4e3a\u4e86\u4efb\u52a1\u7684\u751f\u4ea7\u8005&#xff0c;\u800c\u540e\u7aef\u7ebf\u7a0b\u6c60\u5f53\u4e2d\u7684\u82e5\u5e72\u7ebf\u7a0b\u5c31\u4e0d\u65ad\u4ece\u4efb\u52a1\u961f\u5217\u5f53\u4e2d\u83b7\u53d6\u4efb\u52a1\u8fdb\u884c\u5904\u7406&#xff0c;\u5b83\u4eec\u627f\u62c5\u7684\u5c31\u662f\u6d88\u8d39\u8005\u7684\u89d2\u8272&#xff0c;\u5176\u4e2d\u751f\u4ea7\u8005\u548c\u6d88\u8d39\u8005\u7684\u4ea4\u6613\u573a\u6240\u5c31\u662f\u7ebf\u7a0b\u6c60\u5f53\u4e2d\u7684\u4efb\u52a1\u961f\u5217\u3002<\/p>\n<p><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> BACKLOG <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TcpServer<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span><span class=\"token function\">_listen_sockfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_tp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/\u521d\u59cb\u5316\u7ebf\u7a0b\u6c60<\/span><br \/>\n        _tp<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">ThreadPoolInit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5ffd\u7565SIGCHLD\u4fe1\u53f7<\/span><br \/>\n        <span class=\"token function\">signal<\/span><span class=\"token punctuation\">(<\/span>SIGCHLD<span class=\"token punctuation\">,<\/span>SIG_IGN<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u83b7\u53d6\u8fde\u63a5 <\/span><br \/>\n            <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> peer<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">bzero<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;accept error,continue&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            std<span class=\"token double-colon punctuation\">::<\/span>string client_ip <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_ntoa<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> client_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ntohs<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;get a new link -&gt; &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> sockfd <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;[&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_ip <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;]:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_port <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p>            Task <span class=\"token function\">task<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span>client_ip<span class=\"token punctuation\">,<\/span>client_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/\u6784\u9020\u4efb\u52a1<\/span><br \/>\n            _tp<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Push<\/span><span class=\"token punctuation\">(<\/span>task<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>                            <span class=\"token comment\">\/\/\u52a0\u5165\u4efb\u52a1\u961f\u5217<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">InitServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u521b\u5efa\u5957\u63a5\u5b57<\/span><br \/>\n        _listen_sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span>SOCK_STREAM<span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;socket error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u7ed1\u5b9a<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> local<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span><span class=\"token char\">&#039;\\\\0&#039;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> INADDR_ANY<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;bind error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u76d1\u542c<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">,<\/span>BACKLOG<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;listen error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/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>_tp <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token generic-function\"><span class=\"token function\">ThreadPool<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>Task<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u6784\u9020\u7ebf\u7a0b\u6c60\u5bf9\u8c61<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>_listen_sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _listen_sockfd<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5957\u63a5\u5b57<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _port<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u7aef\u53e3\u53f7<\/span><br \/>\n    ThreadPool<span class=\"token operator\">&lt;<\/span>Task<span class=\"token operator\">&gt;<\/span><span class=\"token operator\">*<\/span> _tp<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/\u7ebf\u7a0b\u6c60<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>&#x1f4bb;\u8bbe\u8ba1\u4efb\u52a1\u7c7b<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u8981\u505a\u7684\u5c31\u662f\u8bbe\u8ba1\u4e00\u4e2a\u4efb\u52a1\u7c7b&#xff0c;\u8be5\u4efb\u52a1\u7c7b\u5f53\u4e2d\u9700\u8981\u5305\u542b\u5ba2\u6237\u7aef\u5bf9\u5e94\u7684\u5957\u63a5\u5b57\u3001IP\u5730\u5740\u3001\u7aef\u53e3\u53f7&#xff0c;\u8868\u793a\u8be5\u4efb\u52a1\u662f\u4e3a\u54ea\u4e00\u4e2a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1&#xff0c;\u5bf9\u5e94\u64cd\u4f5c\u7684\u5957\u63a5\u5b57\u662f\u54ea\u4e00\u4e2a\u3002<\/p>\n<p>\u6b64\u5916&#xff0c;\u4efb\u52a1\u7c7b\u5f53\u4e2d\u9700\u8981\u5305\u542b\u4e00\u4e2aRun\u65b9\u6cd5&#xff0c;\u5f53\u7ebf\u7a0b\u6c60\u4e2d\u7684\u7ebf\u7a0b\u62ff\u5230\u4efb\u52a1\u540e\u5c31\u4f1a\u76f4\u63a5\u8c03\u7528\u8fd9\u4e2aRun\u65b9\u6cd5\u5bf9\u8be5\u4efb\u52a1\u8fdb\u884c\u5904\u7406&#xff0c;\u800c\u5b9e\u9645\u5904\u7406\u8fd9\u4e2a\u4efb\u52a1\u7684\u65b9\u6cd5\u5c31\u662f\u670d\u52a1\u7c7b\u5f53\u4e2d\u7684Service\u51fd\u6570&#xff0c;\u670d\u52a1\u7aef\u5c31\u662f\u901a\u8fc7\u8c03\u7528Service\u51fd\u6570\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u7684\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u62ff\u51fa\u670d\u52a1\u7c7b\u5f53\u4e2d\u7684Service\u51fd\u6570&#xff0c;\u5c06\u5176\u653e\u5230\u4efb\u52a1\u7c7b\u5f53\u4e2d\u4f5c\u4e3a\u4efb\u52a1\u7c7b\u5f53\u4e2d\u7684Run\u65b9\u6cd5&#xff0c;\u4f46\u8fd9\u5b9e\u9645\u4e0d\u5229\u4e8e\u8f6f\u4ef6\u5206\u5c42\u3002\u6211\u4eec\u53ef\u4ee5\u7ed9\u4efb\u52a1\u7c7b\u65b0\u589e\u4e00\u4e2a\u4eff\u51fd\u6570\u6210\u5458&#xff0c;\u5f53\u6267\u884c\u4efb\u52a1\u7c7b\u5f53\u4e2d\u7684Run\u65b9\u6cd5\u5904\u7406\u4efb\u52a1\u65f6\u5c31\u53ef\u4ee5\u4ee5\u56de\u8c03\u7684\u65b9\u5f0f\u5904\u7406\u8be5\u4efb\u52a1\u3002<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Task<\/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\">Task<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token function\">Task<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sockfd<span class=\"token punctuation\">,<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string client_ip<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">int<\/span> client_port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span><span class=\"token function\">_sockfd<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_client_ip<\/span><span class=\"token punctuation\">(<\/span>client_ip<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">,<\/span><span class=\"token function\">_client_port<\/span><span class=\"token punctuation\">(<\/span>client_port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">_handler<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span>_client_ip<span class=\"token punctuation\">,<\/span>_client_port<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 keyword\">int<\/span> _sockfd<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string _client_ip<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _client_port<span class=\"token punctuation\">;<\/span><br \/>\n    Handler _handler<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u5904\u7406\u65b9\u6cd5<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u6ce8\u610f&#xff1a; \u5f53\u4efb\u52a1\u961f\u5217\u5f53\u4e2d\u6709\u4efb\u52a1\u65f6&#xff0c;\u7ebf\u7a0b\u6c60\u5f53\u4e2d\u7684\u7ebf\u7a0b\u4f1a\u5148\u5b9a\u4e49\u51fa\u4e00\u4e2aTask\u5bf9\u8c61&#xff0c;\u7136\u540e\u5c06\u8fd9\u4e2aTask\u5bf9\u8c61\u4f5c\u4e3a\u8f93\u51fa\u578b\u53c2\u6570\u8c03\u7528\u4efb\u52a1\u961f\u5217\u7684Pop\u51fd\u6570&#xff0c;\u4ece\u4efb\u52a1\u961f\u5217\u5f53\u4e2d\u83b7\u53d6\u4efb\u52a1&#xff0c;\u56e0\u6b64Task\u7c7b\u9664\u4e86\u63d0\u4f9b\u5e26\u53c2\u7684\u6784\u9020\u51fd\u6570\u4ee5\u5916&#xff0c;\u8fd8\u9700\u8981\u63d0\u4f9b\u4e00\u4e2a\u65e0\u53c2\u7684\u6784\u9020\u51fd\u6570&#xff0c;\u65b9\u4fbf\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u65e0\u53c2\u5bf9\u8c61\u3002<\/p>\n<p>&#x1f4bb;\u8bbe\u8ba1Handler\u7c7b<\/p>\n<p>\u6b64\u65f6\u9700\u8981\u518d\u8bbe\u8ba1\u4e00\u4e2aHandler\u7c7b&#xff0c;\u5728Handler\u7c7b\u5f53\u4e2d\u5bf9()\u64cd\u4f5c\u7b26\u8fdb\u884c\u91cd\u8f7d&#xff0c;\u5c06()\u64cd\u4f5c\u7b26\u7684\u6267\u884c\u52a8\u4f5c\u91cd\u8f7d\u4e3a\u6267\u884cService\u51fd\u6570\u7684\u4ee3\u7801\u3002<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Handler<\/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\">Handler<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">Handler<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token keyword\">operator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sockfd<span class=\"token punctuation\">,<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string client_ip<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">int<\/span> client_port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            ssize_t size <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span>buffer<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>size <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                buffer<span class=\"token punctuation\">[<\/span>size<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token char\">&#039;\\\\0&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;[&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_ip <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;]:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> buffer <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span>buffer<span class=\"token punctuation\">,<\/span>size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>size <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u5bf9\u7aef\u5173\u95ed<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> client_ip <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_port <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; close!&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;read error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> client_ip <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_port <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; service done!&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5b9e\u9645\u6211\u4eec\u53ef\u4ee5\u8ba9\u670d\u52a1\u5668\u5904\u7406\u4e0d\u540c\u7684\u4efb\u52a1&#xff0c;\u5f53\u524d\u670d\u52a1\u5668\u53ea\u662f\u5728\u8fdb\u884c\u5b57\u7b26\u4e32\u7684\u56de\u663e\u5904\u7406&#xff0c;\u800c\u5b9e\u9645\u8981\u600e\u4e48\u5904\u7406\u8fd9\u4e2a\u4efb\u52a1\u5b8c\u5168\u662f\u7531\u4efb\u52a1\u7c7b\u5f53\u4e2d\u7684handler\u6210\u5458\u6765\u51b3\u5b9a\u7684\u3002<\/p>\n<p>\u5982\u679c\u60f3\u8981\u8ba9\u670d\u52a1\u5668\u5904\u7406\u5176\u4ed6\u4efb\u52a1&#xff0c;\u53ea\u9700\u8981\u4fee\u6539Handler\u7c7b\u5f53\u4e2d\u5bf9()\u7684\u91cd\u8f7d\u51fd\u6570\u5c31\u884c\u4e86&#xff0c;\u800c\u670d\u52a1\u5668\u7684\u521d\u59cb\u5316\u3001\u542f\u52a8\u670d\u52a1\u5668\u4ee5\u53ca\u7ebf\u7a0b\u6c60\u7684\u4ee3\u7801\u90fd\u662f\u4e0d\u9700\u8981\u66f4\u6539\u7684&#xff0c;\u8fd9\u5c31\u53eb\u505a\u628a\u901a\u4fe1\u529f\u80fd\u548c\u4e1a\u52a1\u903b\u8f91\u5728\u8f6f\u4ef6\u4e0a\u505a\u89e3\u8026\u3002<\/p>\n<p>&#x1f4bb;\u4ee3\u7801\u6d4b\u8bd5<\/p>\n<p>\u6b64\u65f6\u6211\u4eec\u518d\u91cd\u65b0\u7f16\u8bd1\u670d\u52a1\u7aef\u4ee3\u7801&#xff0c;\u5e76\u7528\u4ee5\u4e0b\u76d1\u63a7\u811a\u672c\u67e5\u770b\u670d\u52a1\u7aef\u7684\u5404\u4e2a\u7ebf\u7a0b\u3002<\/p>\n<p><span class=\"token keyword\">while<\/span> <span class=\"token operator\">:<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">do<\/span> ps <span class=\"token operator\">&#8211;<\/span>aL<span class=\"token operator\">|<\/span>head <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token operator\">&amp;&amp;<\/span>ps <span class=\"token operator\">&#8211;<\/span>aL<span class=\"token operator\">|<\/span>grep tcpserver<span class=\"token punctuation\">;<\/span>echo <span class=\"token string\">&#034;####################&#034;<\/span><span class=\"token punctuation\">;<\/span>sleep <span class=\"token number\">1<\/span><span class=\"token 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