{"id":26535,"date":"2025-04-19T15:56:12","date_gmt":"2025-04-19T07:56:12","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/26535.html"},"modified":"2025-04-19T15:56:12","modified_gmt":"2025-04-19T07:56:12","slug":"%e3%80%90linux%e7%bc%96%e7%a8%8b%e3%80%91tcpserver-%e7%b1%bb%e7%9a%84%e8%ae%be%e8%ae%a1%e4%b8%8e%e5%ae%9e%e7%8e%b0%ef%bc%9a%e6%9e%84%e5%bb%ba%e9%ab%98%e6%80%a7%e8%83%bd%e7%9a%84-tcp-%e6%9c%8d%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/26535.html","title":{"rendered":"\u3010Linux\u7f16\u7a0b\u3011TcpServer \u7c7b\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\uff1a\u6784\u5efa\u9ad8\u6027\u80fd\u7684 TCP \u670d\u52a1\u5668\uff08\u4e8c\uff09"},"content":{"rendered":"<h4>TcpServer \u7c7b\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0&#xff1a;\u6784\u5efa\u9ad8\u6027\u80fd\u7684 TCP \u670d\u52a1\u5668<\/h4>\n<p>\u5728\u73b0\u4ee3\u7f51\u7edc\u7f16\u7a0b\u4e2d&#xff0c;\u6784\u5efa\u4e00\u4e2a\u9ad8\u6548\u3001\u7a33\u5b9a\u7684 TCP \u670d\u52a1\u5668\u662f\u8bb8\u591a\u7f51\u7edc\u5e94\u7528\u7684\u57fa\u7840\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u4e00\u4e2a\u57fa\u4e8e C&#043;&#043; \u7684 TcpServer \u7c7b\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0&#xff0c;\u8be5\u7c7b\u63d0\u4f9b\u4e86\u521b\u5efa TCP \u670d\u52a1\u5668\u3001\u5904\u7406\u5ba2\u6237\u7aef\u8fde\u63a5\u3001\u6570\u636e\u4f20\u8f93\u548c\u63a5\u6536\u7b49\u529f\u80fd\u3002\u901a\u8fc7\u8fd9\u4e2a\u7c7b&#xff0c;\u6211\u4eec\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u7406\u89e3\u548c\u5b9e\u73b0 TCP \u901a\u4fe1\u7684\u7ec6\u8282\u3002<\/p>\n<h5>1. TcpServer \u7c7b\u6982\u8ff0<\/h5>\n<p>TcpServer \u7c7b\u662f\u4e00\u4e2a\u7528\u4e8e\u521b\u5efa\u548c\u7ba1\u7406 TCP \u670d\u52a1\u5668\u7684\u7c7b\u3002\u5b83\u5c01\u88c5\u4e86\u5957\u63a5\u5b57\u521b\u5efa\u3001\u7ed1\u5b9a\u3001\u76d1\u542c\u3001\u5ba2\u6237\u7aef\u8fde\u63a5\u5904\u7406\u3001\u6570\u636e\u53d1\u9001\u548c\u63a5\u6536\u7b49\u64cd\u4f5c&#xff0c;\u4f7f\u5f97\u7f51\u7edc\u901a\u4fe1\u66f4\u52a0\u7b80\u6d01\u548c\u6613\u4e8e\u7ba1\u7406\u3002<\/p>\n<h5>2. \u7c7b\u6784\u9020\u4e0e\u6790\u6784<\/h5>\n<ul>\n<li>\u6784\u9020\u51fd\u6570 TcpServer::TcpServer(int _port) \u548c TcpServer::TcpServer(std::string _host, int _port) \u521d\u59cb\u5316\u670d\u52a1\u5668\u7684\u4e3b\u673a\u5730\u5740\u548c\u7aef\u53e3&#xff0c;\u5e76\u521b\u5efa\u5957\u63a5\u5b57\u3002<\/li>\n<\/ul>\n<p><span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> _port<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;0.0.0.0&#034;<\/span><span class=\"token punctuation\">,<\/span> _port<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string _host<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> _port<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">host<\/span><span class=\"token punctuation\">(<\/span>_host<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">port<\/span><span class=\"token punctuation\">(<\/span>_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;create tcp server start.&#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    socket_fd <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>socket_fd <span class=\"token operator\">&#061;&#061;<\/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        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;socket create error!&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">set_epoll_mode<\/span><span class=\"token punctuation\">(<\/span>socket_fd<span class=\"token punctuation\">,<\/span> O_NONBLOCK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><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;epoll_mode failed:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ret <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\">close<\/span><span class=\"token punctuation\">(<\/span>socket_fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    server_addr<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">inet_pton<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> host<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>server_addr<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    server_addr<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    <span class=\"token keyword\">int<\/span> opt <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">setsockopt<\/span><span class=\"token punctuation\">(<\/span>socket_fd<span class=\"token punctuation\">,<\/span> SOL_SOCKET<span class=\"token punctuation\">,<\/span> SO_REUSEADDR<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>opt<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>opt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    isCreate <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/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;create tcp server ok.&#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<ul>\n<li>\u6790\u6784\u51fd\u6570 TcpServer::~TcpServer() \u865a\u6790\u6784\u51fd\u6570&#xff0c;\u786e\u4fdd\u6d3e\u751f\u7c7b\u7684\u6790\u6784\u51fd\u6570\u88ab\u6b63\u786e\u8c03\u7528\u3002<\/li>\n<\/ul>\n<p><span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token operator\">~<\/span><span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>3. \u670d\u52a1\u5668\u542f\u52a8\u4e0e\u505c\u6b62<\/h5>\n<ul>\n<li>\u542f\u52a8\u670d\u52a1\u5668 TcpServer::Start() \u7ed1\u5b9a\u5957\u63a5\u5b57\u5230\u6307\u5b9a\u7aef\u53e3&#xff0c;\u5e76\u5f00\u59cb\u76d1\u542c\u3002<\/li>\n<\/ul>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>running <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span>isCreate<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;TcpServer start failed!&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;running&#061;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> running <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;, port&#061;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> 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 keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">auto<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>socket_fd<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>server_addr<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>server_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&#061;&#061;<\/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        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;bind faild:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ret <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\">close<\/span><span class=\"token punctuation\">(<\/span>socket_fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>socket_fd<span class=\"token punctuation\">,<\/span> SOMAXCONN<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&#061;&#061;<\/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        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Listen failed:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ret <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\">close<\/span><span class=\"token punctuation\">(<\/span>socket_fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;server open: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> host <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> 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 function\">epoll_start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<ul>\n<li>\u505c\u6b62\u670d\u52a1\u5668 TcpServer::Stop() \u5173\u95ed\u670d\u52a1\u5668\u5e76\u91ca\u653e\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">Stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>4. \u8d44\u6e90\u7ba1\u7406<\/h5>\n<ul>\n<li>\u5173\u95ed\u8fde\u63a5 TcpServer::Close() \u5173\u95ed\u5957\u63a5\u5b57\u548c epoll \u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u91ca\u653e\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    isCreate <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    running <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    socket_event<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>fd <span class=\"token operator\">&#061;<\/span> socket_fd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_ctl<\/span><span class=\"token punctuation\">(<\/span>epoll_fd<span class=\"token punctuation\">,<\/span> EPOLL_CTL_DEL<span class=\"token punctuation\">,<\/span> socket_fd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>socket_event<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>socket_fd<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;socket_fd\u5df2\u5173\u95ed:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ret <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\">for<\/span> <span class=\"token punctuation\">(<\/span>TcpClient <span class=\"token operator\">*<\/span>client <span class=\"token operator\">:<\/span> clients<span class=\"token punctuation\">)<\/span><br \/>\n        client<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>epoll_fd<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;TcpServer epoll_fd\u5df2\u5173\u95ed:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ret <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<h5>5. \u975e\u963b\u585e\u6a21\u5f0f\u8bbe\u7f6e<\/h5>\n<ul>\n<li>\u8bbe\u7f6e\u975e\u963b\u585e\u6a21\u5f0f TcpServer::set_epoll_mode() \u8bbe\u7f6e\u5957\u63a5\u5b57\u4e3a\u975e\u963b\u585e\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">set_epoll_mode<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sock_fd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> mode<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> flags <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">fcntl<\/span><span class=\"token punctuation\">(<\/span>sock_fd<span class=\"token punctuation\">,<\/span> F_GETFL<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>flags <span class=\"token operator\">&#061;&#061;<\/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        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;epoll_mode failed:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> sock_fd <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token function\">fcntl<\/span><span class=\"token punctuation\">(<\/span>sock_fd<span class=\"token punctuation\">,<\/span> F_SETFL<span class=\"token punctuation\">,<\/span> flags <span class=\"token operator\">|<\/span> mode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>6. \u5ba2\u6237\u7aef\u8fde\u63a5\u5904\u7406<\/h5>\n<ul>\n<li>\u5ba2\u6237\u7aef\u63a5\u53d7\u7ebf\u7a0b TcpServer::client_accept_thread() \u5904\u7406\u5ba2\u6237\u7aef\u8fde\u63a5\u548c\u6570\u636e\u4e8b\u4ef6\u3002<\/li>\n<\/ul>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">client_accept_thread<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> client_events<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>running<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_wait<\/span><span class=\"token punctuation\">(<\/span>epoll_fd<span class=\"token punctuation\">,<\/span> client_events<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EAGAIN <span class=\"token operator\">||<\/span> errno <span class=\"token operator\">&#061;&#061;<\/span> EWOULDBLOCK<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;epoll_wait failed: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ret <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; : &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> errno <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; : &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token function\">strerror<\/span><span class=\"token punctuation\">(<\/span>errno<span class=\"token punctuation\">)<\/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 keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> n <span class=\"token operator\">&lt;<\/span> ret<span class=\"token punctuation\">;<\/span> <span class=\"token operator\">&#043;&#043;<\/span>n<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>client_events<span class=\"token punctuation\">[<\/span>n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>fd <span class=\"token operator\">&#061;&#061;<\/span> socket_fd<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">client_connect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> client_event <span class=\"token operator\">&#061;<\/span> client_events<span class=\"token punctuation\">[<\/span>n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">auto<\/span> client <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">find_if<\/span><span class=\"token punctuation\">(<\/span>clients<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> clients<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span>client_event<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> TcpClient <span class=\"token operator\">*<\/span>_client<span class=\"token punctuation\">)<\/span><br \/>\n                                           <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span>_client<span class=\"token operator\">-&gt;<\/span>client_fd <span class=\"token operator\">&#061;&#061;<\/span> client_event<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>client <span class=\"token operator\">&#061;&#061;<\/span> clients<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>client<span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">data_receive<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>client<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    clients<span class=\"token punctuation\">.<\/span><span class=\"token function\">erase<\/span><span class=\"token punctuation\">(<\/span>client<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">delete<\/span> <span class=\"token operator\">*<\/span>client<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><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;\u670d\u52a1\u5df2\u5173\u95ed&#xff0c;\u4e0d\u518d\u63d0\u4f9b\u4efb\u4f55\u670d\u52a1&#xff01;&#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    isDispose <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<ul>\n<li>\u5ba2\u6237\u7aef\u8fde\u63a5 TcpServer::client_connect() \u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5\u5e76\u6dfb\u52a0\u5230 epoll \u76d1\u63a7\u3002<\/li>\n<\/ul>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">client_connect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> client_addr<span class=\"token punctuation\">;<\/span><br \/>\n    socklen_t addr_len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>client_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> client_fd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span>socket_fd<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>client_addr<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>addr_len<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;accept:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_fd <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; : &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token function\">strerror<\/span><span class=\"token punctuation\">(<\/span>errno<span class=\"token punctuation\">)<\/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\">if<\/span> <span class=\"token punctuation\">(<\/span>client_fd <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    TcpClient <span class=\"token operator\">*<\/span>client <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> TcpClient<span class=\"token punctuation\">;<\/span><br \/>\n    client<span class=\"token operator\">-&gt;<\/span>running <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    client<span class=\"token operator\">-&gt;<\/span>connected <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    client<span class=\"token operator\">-&gt;<\/span>client_fd <span class=\"token operator\">&#061;<\/span> client_fd<span class=\"token punctuation\">;<\/span><br \/>\n    client<span class=\"token operator\">-&gt;<\/span>local_addr <span class=\"token operator\">&#061;<\/span> client_addr<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">set_epoll_mode<\/span><span class=\"token punctuation\">(<\/span>client_fd<span class=\"token punctuation\">,<\/span> O_NONBLOCK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&#061;&#061;<\/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        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u670d\u52a1\u5668\u63a5\u53d7\u5ba2\u6237\u7aef-set_epoll_mode failed:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token function\">strerror<\/span><span class=\"token punctuation\">(<\/span>errno<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        client<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    client<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">add_epoll_event<\/span><span class=\"token punctuation\">(<\/span>client_fd<span class=\"token punctuation\">,<\/span> epoll_fd<span class=\"token punctuation\">,<\/span> EPOLLIN <span class=\"token operator\">|<\/span> EPOLLET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    client<span class=\"token operator\">-&gt;<\/span>DataReceived <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>sender<span class=\"token punctuation\">,<\/span> DataReceiveEventArgs <span class=\"token operator\">*<\/span>e<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        DataReceived<span class=\"token punctuation\">.<\/span><span class=\"token function\">Invoke<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> e<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>    client<span class=\"token operator\">-&gt;<\/span>recv_data <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token keyword\">char<\/span><span class=\"token punctuation\">[<\/span>client<span class=\"token operator\">-&gt;<\/span>recv_data_length<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    clients<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>client<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;\u65b0\u7684\u5ba2\u6237\u7aef\u5df2\u63a5\u5165:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token function\">inet_ntoa<\/span><span class=\"token punctuation\">(<\/span>client_addr<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>client_addr<span class=\"token punctuation\">.<\/span>sin_port<span class=\"token punctuation\">)<\/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<h5>7. epoll \u4e8b\u4ef6\u5904\u7406<\/h5>\n<ul>\n<li>\u542f\u52a8 epoll TcpServer::epoll_start() \u521b\u5efa epoll \u5b9e\u4f8b\u5e76\u6dfb\u52a0\u76d1\u542c\u5957\u63a5\u5b57\u3002<\/li>\n<\/ul>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">epoll_start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    epoll_fd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_create1<\/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 keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>epoll_fd <span class=\"token operator\">&#061;&#061;<\/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        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;poll_create1 failed:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> epoll_fd <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\">close<\/span><span class=\"token punctuation\">(<\/span>socket_fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    socket_event<span class=\"token punctuation\">.<\/span>events <span class=\"token operator\">&#061;<\/span> EPOLLIN<span class=\"token punctuation\">;<\/span><br \/>\n    socket_event<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>fd <span class=\"token operator\">&#061;<\/span> socket_fd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_ctl<\/span><span class=\"token punctuation\">(<\/span>epoll_fd<span class=\"token punctuation\">,<\/span> EPOLL_CTL_ADD<span class=\"token punctuation\">,<\/span> socket_fd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>socket_event<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&#061;&#061;<\/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        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;epoll_ctl failed:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ret <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\">close<\/span><span class=\"token punctuation\">(<\/span>epoll_fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    running <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>thread th <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">thread<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TcpServer<span class=\"token double-colon punctuation\">::<\/span>client_accept_thread<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    th<span class=\"token punctuation\">.<\/span><span class=\"token function\">detach<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5b8c\u6574\u7684\u4ee3\u7801: TcpServer.h \u5934\u6587\u4ef6<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;vector&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;list&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;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/epoll.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/fcntl.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;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;algorithm&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;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;thread&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;DataReceiveEventArgs.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;TcpClient.h&#034;<\/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><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string _host<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> _port<span class=\"token punctuation\">)<\/span><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><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    EventHandler<span class=\"token operator\">&lt;<\/span>DataReceiveEventArgs<span class=\"token operator\">&gt;<\/span> DataReceived<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">IsDispose<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">epoll_start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>                        <span class=\"token comment\">\/\/ epoll\u521d\u59cb\u5316&#xff08;\u521b\u5efaepoll&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> <span class=\"token function\">set_epoll_mode<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sock_fd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> mode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ epoll\u6a21\u5f0f&#8211;\u521b\u5efasocket\u65f6&#xff0c;\u4e3a\u975e\u963b\u585e\u6a21\u5f0f<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">client_accept_thread<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">client_connect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    sockaddr_in <span class=\"token function\">get_remote_addr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sock<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> socket_fd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> epoll_fd<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string host <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;0.0.0.0&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> port <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> running <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> isCreate <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> send_buff_size <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1024<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> recv_buff_size <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1024<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> server_addr<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>list<span class=\"token operator\">&lt;<\/span>TcpClient <span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> clients<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5c06\u76d1\u542c\u5957\u63a5\u5b57\u6dfb\u52a0\u5230 epoll \u4e2d&#xff0c;\u76d1\u63a7 EPOLLIN &#xff08;\u8868\u793a\u6709\u6570\u636e\u53ef\u8bfb&#xff09;\u4e8b\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> socket_event<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> isDispose <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>TcpServer.cpp<\/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.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> _port<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;0.0.0.0&#034;<\/span><span class=\"token punctuation\">,<\/span> _port<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 class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string _host<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> _port<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">host<\/span><span class=\"token punctuation\">(<\/span>_host<span class=\"token punctuation\">)<\/span><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><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;create tcp server start.&#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\">\/\/ AF_INET \u8868\u793a\u4f7f\u7528 IPv4 \u534f\u8bae<\/span><br \/>\n    <span class=\"token comment\">\/\/ SOCK_STREAM \u8868\u793a\u5957\u63a5\u5b57\u7684\u7c7b\u578b&#xff0c;\u8868\u793a \u9762\u5411\u8fde\u63a5\u7684\u6d41\u5f0f\u5957\u63a5\u5b57<\/span><br \/>\n    socket_fd <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 comment\">\/\/ std::cout &lt;&lt; &#034;create tcp server socket_fd:&#034; &lt;&lt; socket_fd &lt;&lt; std::endl;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>socket_fd <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;socket ceate error!&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6587\u4ef6\u63cf\u8ff0\u7b26\u4e3a\u975e\u963b\u585e\u6a21\u5f0f<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">set_epoll_mode<\/span><span class=\"token punctuation\">(<\/span>socket_fd<span class=\"token punctuation\">,<\/span> O_NONBLOCK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;epoll_mode failed:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ret <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\">close<\/span><span class=\"token punctuation\">(<\/span>socket_fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    server_addr<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ ip\u5b57\u7b26\u4e32\u8f6cint<\/span><br \/>\n    <span class=\"token function\">inet_pton<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> host<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>server_addr<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/server_addr.sin_addr.s_addr &#061; ntohl(server_addr.sin_addr.s_addr);<\/span><br \/>\n    server_addr<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><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4ee5\u4e0b\u8bbe\u7f6e\u8868\u793a\u5f53\u8c03\u7528close\u5173\u95ed\u5ba2\u6237\u7aef\u65f6&#xff0c;\u7acb\u5373\u91ca\u653e\u7aef\u53e3&#xff0c;\u4e0d\u7b49\u5f85<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5728TCP\u670d\u52a1\u7aef&#xff0c;\u5ba2\u6237\u7aef\u8c03\u7528 close(client_fd) \u5173\u95ed\u8fde\u63a5\u540e&#xff0c;\u5982\u679c\u4f60\u5c1d\u8bd5\u91cd\u65b0\u8fde\u63a5\u65f6\u51fa\u73b0\u7aef\u53e3\u6ca1\u6709\u5b8c\u5168\u91ca\u653e\u7684\u60c5\u51b5&#xff0c;\u901a\u5e38\u662f\u7531\u4e8e TCP \u8fde\u63a5\u7684 TIME_WAIT \u72b6\u6001\u6ca1\u6709\u53ca\u65f6\u6e05\u7406\u3002\u8fd9\u662f TCP \u534f\u8bae\u7684\u6b63\u5e38\u884c\u4e3a\u3002<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5728TCP\u8fde\u63a5\u5173\u95ed\u540e&#xff0c;\u7aef\u53e3\u4f1a\u8fdb\u5165 TIME_WAIT \u72b6\u6001\u3002\u8fd9\u4e2a\u72b6\u6001\u7684\u76ee\u7684\u662f\u786e\u4fdd\u6700\u540e\u7684\u6570\u636e\u5305\u80fd\u591f\u6b63\u786e\u5230\u8fbe\u3002\u5982\u679c\u65b0\u7684\u8fde\u63a5\u5c1d\u8bd5\u5728\u8be5\u7aef\u53e3\u4e0a\u8fdb\u884c&#xff0c;\u800c\u8be5\u7aef\u53e3\u4ecd\u7136\u5904\u4e8e TIME_WAIT \u72b6\u6001&#xff0c;\u5c31\u4f1a\u51fa\u73b0\u7aef\u53e3\u88ab\u5360\u7528\u7684\u60c5\u51b5\u3002<\/span><br \/>\n    <span class=\"token comment\">\/\/ TIME_WAIT \u72b6\u6001\u901a\u5e38\u4f1a\u6301\u7eed\u4e00\u6bb5\u65f6\u95f4&#xff08;\u9ed8\u8ba4\u662f4\u5206\u949f&#xff0c;\u5373240\u79d2&#xff09;&#xff0c;\u8fd9\u53ef\u4ee5\u901a\u8fc7\u64cd\u4f5c\u7cfb\u7edf\u7684\u5185\u6838\u53c2\u6570\u6765\u4fee\u6539\u3002<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ struct linger linger_opt;<\/span><br \/>\n    <span class=\"token comment\">\/\/ linger_opt.l_onoff &#061; 1;  \/\/ \u542f\u7528<\/span><br \/>\n    <span class=\"token comment\">\/\/ linger_opt.l_linger &#061; 1; \/\/ \u7acb\u5373\u5173\u95ed<\/span><br \/>\n    <span class=\"token comment\">\/\/ \/\/ \u6b64\u65b9\u6cd5\u4eb2\u6d4b\u65e0\u6548<\/span><br \/>\n    <span class=\"token comment\">\/\/ \/\/ setsockopt(socket_fd, SOL_SOCKET, SO_LINGER, &amp;linger_opt, sizeof(linger_opt));<\/span><\/p>\n<p>    <span class=\"token keyword\">int<\/span> opt <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">setsockopt<\/span><span class=\"token punctuation\">(<\/span>socket_fd<span class=\"token punctuation\">,<\/span> SOL_SOCKET<span class=\"token punctuation\">,<\/span> SO_REUSEADDR<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>opt<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>opt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    isCreate <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/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;create tcp server ok.&#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 class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><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 punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/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\">if<\/span> <span class=\"token punctuation\">(<\/span>running <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span>isCreate<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;TcpServer start failed!&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;running&#061;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> running <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;, port&#061;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> 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 comment\">\/\/ close(socket_fd);<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u7ed1\u5b9a\u5957\u63a5\u5b57\u5230\u6307\u5b9a\u7aef\u53e3<\/span><br \/>\n    <span class=\"token keyword\">auto<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>socket_fd<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>server_addr<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>server_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;bind faild:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ret <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\">close<\/span><span class=\"token punctuation\">(<\/span>socket_fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5f00\u59cb\u76d1\u542c<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>socket_fd<span class=\"token punctuation\">,<\/span> SOMAXCONN<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Listen failed:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ret <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\">close<\/span><span class=\"token punctuation\">(<\/span>socket_fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;server open: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> host <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> 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 function\">epoll_start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">Stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    isCreate <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    running <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 1. \u5220\u9664socket_fd\u7684epoll\u4e8b\u4ef6<\/span><br \/>\n    socket_event<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>fd <span class=\"token operator\">&#061;<\/span> socket_fd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_ctl<\/span><span class=\"token punctuation\">(<\/span>epoll_fd<span class=\"token punctuation\">,<\/span> EPOLL_CTL_DEL<span class=\"token punctuation\">,<\/span> socket_fd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>socket_event<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 2. \u5173\u95ed\u76d1\u542c\u5957\u63a5\u5b57<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>socket_fd<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;socket_fd\u5df2\u5173\u95ed:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ret <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\">\/\/ 3. \u4ece epoll \u4e2d\u79fb\u9664\u6240\u6709\u8fde\u63a5\u7684\u5ba2\u6237\u7aef\u6587\u4ef6\u63cf\u8ff0\u7b26<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>TcpClient <span class=\"token operator\">*<\/span>client <span class=\"token operator\">:<\/span> clients<span class=\"token punctuation\">)<\/span><br \/>\n        client<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ 4. \u5173\u95ed epoll \u6587\u4ef6\u63cf\u8ff0\u7b26<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>epoll_fd<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;TcpServer epoll_fd\u5df2\u5173\u95ed:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ret <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\">bool<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">IsDispose<\/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> isDispose<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">set_epoll_mode<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sock_fd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> mode<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/*<br \/>\n    O_NONBLOCK&#xff08;\u975e\u963b\u585e\u6a21\u5f0f&#xff09;&#xff1a;\u5982\u679c\u8bbe\u7f6e\u4e86\u8fd9\u4e2a\u6807\u5fd7&#xff0c;\u8868\u793a\u8be5\u5957\u63a5\u5b57&#xff08;\u6216\u6587\u4ef6&#xff09;\u662f\u975e\u963b\u585e\u7684&#xff0c;\u6267\u884c\u8bfb\u5199\u64cd\u4f5c\u65f6\u4e0d\u4f1a\u963b\u585e\u8c03\u7528\u8fdb\u7a0b\u6216\u7ebf\u7a0b\u3002<br \/>\n    \u5957\u63a5\u5b57\u5728\u6ca1\u6709\u6570\u636e\u53ef\u8bfb\u6216\u53ef\u5199\u65f6\u4e0d\u4f1a\u8ba9\u7a0b\u5e8f\u7b49\u5f85&#xff0c;\u800c\u662f\u7acb\u5373\u8fd4\u56de\u3002<br \/>\n    O_RDWR\u3001O_WRONLY\u3001O_RDONLY&#xff08;\u8bbf\u95ee\u6a21\u5f0f&#xff09;&#xff1a;\u8868\u793a\u5957\u63a5\u5b57\u7684\u6253\u5f00\u65b9\u5f0f\u3002<br \/>\n    O_APPEND&#xff08;\u8ffd\u52a0\u6a21\u5f0f&#xff09;&#xff1a;\u6307\u793a\u6587\u4ef6\u6216\u5957\u63a5\u5b57\u5728\u5199\u64cd\u4f5c\u65f6\u4f1a\u8ffd\u52a0\u6570\u636e\u3002<br \/>\n    *\/<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> flags <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">fcntl<\/span><span class=\"token punctuation\">(<\/span>sock_fd<span class=\"token punctuation\">,<\/span> F_GETFL<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u83b7\u53d6\u5f53\u524d\u5957\u63a5\u5b57\u7684\u6587\u4ef6\u72b6\u6001\u6807\u5fd7<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>flags <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;epoll_mode failed:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> sock_fd <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5957\u63a5\u5b57\u4e3a\u975e\u963b\u585e\u6a21\u5f0f<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token function\">fcntl<\/span><span class=\"token punctuation\">(<\/span>sock_fd<span class=\"token punctuation\">,<\/span> F_SETFL<span class=\"token punctuation\">,<\/span> flags <span class=\"token operator\">|<\/span> mode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">client_accept_thread<\/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\">epoll_event<\/span> client_events<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>running<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u963b\u585e\u7b49\u5f85\u4e8b\u4ef6<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_wait<\/span><span class=\"token punctuation\">(<\/span>epoll_fd<span class=\"token punctuation\">,<\/span> client_events<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EAGAIN <span class=\"token operator\">||<\/span> errno <span class=\"token operator\">&#061;&#061;<\/span> EWOULDBLOCK<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">continue<\/span><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>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;epoll_wait failed: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ret <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; : &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> errno <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; : &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token function\">strerror<\/span><span class=\"token punctuation\">(<\/span>errno<span class=\"token punctuation\">)<\/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 comment\">\/\/ \u5904\u7406\u8fd4\u56de\u7684\u4e8b\u4ef6<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> n <span class=\"token operator\">&lt;<\/span> ret<span class=\"token punctuation\">;<\/span> <span class=\"token operator\">&#043;&#043;<\/span>n<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>client_events<span class=\"token punctuation\">[<\/span>n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>fd <span class=\"token operator\">&#061;&#061;<\/span> socket_fd<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u5982\u679c\u662f\u76d1\u542c\u5957\u63a5\u5b57\u7684\u4e8b\u4ef6,\u6709\u65b0\u7684\u5ba2\u6237\u7aef\u8fde\u63a5<\/span><br \/>\n                <span class=\"token function\">client_connect<\/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 keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> client_event <span class=\"token operator\">&#061;<\/span> client_events<span class=\"token punctuation\">[<\/span>n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">auto<\/span> client <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">find_if<\/span><span class=\"token punctuation\">(<\/span>clients<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> clients<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span>client_event<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> TcpClient <span class=\"token operator\">*<\/span>_client<span class=\"token punctuation\">)<\/span><br \/>\n                                           <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span>_client<span class=\"token operator\">-&gt;<\/span>client_fd <span class=\"token operator\">&#061;&#061;<\/span> client_event<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>client <span class=\"token operator\">&#061;&#061;<\/span> clients<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u5ba2\u6237\u7aef\u6709\u6570\u636e<\/span><br \/>\n                <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>client<span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">data_receive<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>client<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    clients<span class=\"token punctuation\">.<\/span><span class=\"token function\">erase<\/span><span class=\"token punctuation\">(<\/span>client<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">delete<\/span> <span class=\"token operator\">*<\/span>client<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><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;\u670d\u52a1\u5df2\u5173\u95ed&#xff0c;\u4e0d\u518d\u63d0\u4f9b\u4efb\u4f55\u670d\u52a1&#xff01;&#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    isDispose <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">client_connect<\/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> client_addr<span class=\"token punctuation\">;<\/span><br \/>\n    socklen_t addr_len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>client_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> client_fd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span>socket_fd<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>client_addr<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>addr_len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u63a5\u53d7\u8fde\u63a5<\/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:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> client_fd <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; : &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token function\">strerror<\/span><span class=\"token punctuation\">(<\/span>errno<span class=\"token punctuation\">)<\/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\">if<\/span> <span class=\"token punctuation\">(<\/span>client_fd <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    TcpClient <span class=\"token operator\">*<\/span>client <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> TcpClient<span class=\"token punctuation\">;<\/span><br \/>\n    client<span class=\"token operator\">-&gt;<\/span>running <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    client<span class=\"token operator\">-&gt;<\/span>connected <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    client<span class=\"token operator\">-&gt;<\/span>client_fd <span class=\"token operator\">&#061;<\/span> client_fd<span class=\"token punctuation\">;<\/span><br \/>\n    client<span class=\"token operator\">-&gt;<\/span>local_addr <span class=\"token operator\">&#061;<\/span> client_addr<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5ba2\u6237\u7aef\u5957\u63a5\u5b57\u4e3a\u975e\u963b\u585e\u6a21\u5f0f<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">set_epoll_mode<\/span><span class=\"token punctuation\">(<\/span>client_fd<span class=\"token punctuation\">,<\/span> O_NONBLOCK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u670d\u52a1\u5668\u63a5\u53d7\u5ba2\u6237\u7aef-set_epoll_mode failed:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token function\">strerror<\/span><span class=\"token punctuation\">(<\/span>errno<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        client<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ client.SetSendBuffSize(send_buff_size);<\/span><br \/>\n    <span class=\"token comment\">\/\/ client.SetRecvBuffSize(recv_buff_size);<\/span><br \/>\n    <span class=\"token comment\">\/\/  \u5c06\u65b0\u5ba2\u6237\u7aef\u5957\u63a5\u5b57\u6dfb\u52a0\u5230 epoll \u4e2d&#xff0c;\u76d1\u542c\u53ef\u8bfb\u4e8b\u4ef6<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ client-&gt;create_epoll();<\/span><br \/>\n    client<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">add_epoll_event<\/span><span class=\"token punctuation\">(<\/span>client_fd<span class=\"token punctuation\">,<\/span> epoll_fd<span class=\"token punctuation\">,<\/span> EPOLLIN <span class=\"token operator\">|<\/span> EPOLLET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    client<span class=\"token operator\">-&gt;<\/span>DataReceived <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>sender<span class=\"token punctuation\">,<\/span> DataReceiveEventArgs <span class=\"token operator\">*<\/span>e<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        DataReceived<span class=\"token punctuation\">.<\/span><span class=\"token function\">Invoke<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> e<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 comment\">\/\/ client-&gt;start_receive();<\/span><br \/>\n    client<span class=\"token operator\">-&gt;<\/span>recv_data <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token keyword\">char<\/span><span class=\"token punctuation\">[<\/span>client<span class=\"token operator\">-&gt;<\/span>recv_data_length<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    clients<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>client<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;\u65b0\u7684\u5ba2\u6237\u7aef\u5df2\u63a5\u5165:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token function\">inet_ntoa<\/span><span class=\"token punctuation\">(<\/span>client_addr<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>client_addr<span class=\"token punctuation\">.<\/span>sin_port<span class=\"token punctuation\">)<\/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 class-name\">TcpServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">epoll_start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521b\u5efaepoll<\/span><br \/>\n    epoll_fd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_create1<\/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 keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>epoll_fd <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;poll_create1 failed:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> epoll_fd <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\">close<\/span><span class=\"token punctuation\">(<\/span>socket_fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u76d1\u542c\u53ef\u8bfb\u4e8b\u4ef6<\/span><br \/>\n    socket_event<span class=\"token punctuation\">.<\/span>events <span class=\"token operator\">&#061;<\/span> EPOLLIN<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5c06\u76d1\u542c\u5957\u63a5\u5b57\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u4f20\u7ed9 epoll<\/span><br \/>\n    socket_event<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>fd <span class=\"token operator\">&#061;<\/span> socket_fd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5c06\u76d1\u542c\u5957\u63a5\u5b57\u6dfb\u52a0\u5230 epoll \u4e2d&#xff0c;\u76d1\u63a7 EPOLLIN \u4e8b\u4ef6&#xff08;\u8868\u793a\u6709\u6570\u636e\u53ef\u8bfb&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_ctl<\/span><span class=\"token punctuation\">(<\/span>epoll_fd<span class=\"token punctuation\">,<\/span> EPOLL_CTL_ADD<span class=\"token punctuation\">,<\/span> socket_fd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>socket_event<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;epoll_ctl failed:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ret <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\">close<\/span><span class=\"token punctuation\">(<\/span>epoll_fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    running <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>thread th <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">thread<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TcpServer<span class=\"token double-colon punctuation\">::<\/span>client_accept_thread<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    th<span class=\"token punctuation\">.<\/span><span class=\"token function\">detach<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>8. \u603b\u7ed3<\/h5>\n<p>\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u4e86 TcpServer \u7c7b\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0&#xff0c;\u5305\u62ec\u6784\u9020\u4e0e\u6790\u6784\u3001\u670d\u52a1\u5668\u542f\u52a8\u4e0e\u505c\u6b62\u3001\u8d44\u6e90\u7ba1\u7406\u3001\u975e\u963b\u585e\u6a21\u5f0f\u8bbe\u7f6e\u3001\u5ba2\u6237\u7aef\u8fde\u63a5\u5904\u7406\u4ee5\u53ca epoll \u4e8b\u4ef6\u5904\u7406\u3002\u901a\u8fc7\u8fd9\u4e2a\u7c7b&#xff0c;\u6211\u4eec\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u7406\u89e3\u548c\u5b9e\u73b0 TCP \u901a\u4fe1\u7684\u7ec6\u8282\u3002\u8fd9\u4e2a\u7c7b\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7b80\u6d01\u7684\u63a5\u53e3\u6765\u7ba1\u7406 TCP \u670d\u52a1\u5668&#xff0c;\u4f7f\u5f97\u7f51\u7edc\u7f16\u7a0b\u66f4\u52a0\u9ad8\u6548\u548c\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n<p>TcpServer \u7c7b\u7684\u8bbe\u8ba1\u6ce8\u91cd\u6a21\u5757\u5316\u548c\u53ef\u6269\u5c55\u6027&#xff0c;\u5141\u8bb8\u5f00\u53d1\u8005\u6839\u636e\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u5b9a\u5236\u548c\u6269\u5c55\u3002\u901a\u8fc7\u4f7f\u7528 epoll \u4e8b\u4ef6\u6a21\u578b&#xff0c;TcpServer \u7c7b\u80fd\u591f\u652f\u6301\u9ad8\u5e76\u53d1\u7684\u5ba2\u6237\u7aef\u8fde\u63a5&#xff0c;\u9002\u7528\u4e8e\u9700\u8981\u5904\u7406\u5927\u91cf\u5e76\u53d1\u8fde\u63a5\u7684\u7f51\u7edc\u5e94\u7528\u3002\u6b64\u5916&#xff0c;\u7c7b\u4e2d\u7684\u975e\u963b\u585e\u6a21\u5f0f\u8bbe\u7f6e\u548c\u8d44\u6e90\u7ba1\u7406\u673a\u5236\u786e\u4fdd\u4e86\u670d\u52a1\u5668\u7684\u7a33\u5b9a\u6027\u548c\u9ad8\u6548\u6027\u3002<\/p>\n<p>\u603b\u7684\u6765\u8bf4&#xff0c;TcpServer \u7c7b\u4e3a\u6784\u5efa\u9ad8\u6027\u80fd\u7684 TCP \u670d\u52a1\u5668\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5f3a\u5927\u7684\u57fa\u7840\u3002\u901a\u8fc7\u8fd9\u4e2a\u7c7b&#xff0c;\u5f00\u53d1\u8005\u53ef\u4ee5\u5feb\u901f\u6784\u5efa\u548c\u90e8\u7f72 TCP \u670d\u52a1\u5668&#xff0c;\u6ee1\u8db3\u5404\u79cd\u7f51\u7edc\u5e94\u7528\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.2k\u6b21\uff0c\u70b9\u8d5e28\u6b21\uff0c\u6536\u85cf6\u6b21\u3002TcpServer \u7c7b\u662f\u4e00\u4e2a\u7528\u4e8e\u521b\u5efa\u548c\u7ba1\u7406 TCP \u670d\u52a1\u5668\u7684\u7c7b\u3002\u5b83\u5c01\u88c5\u4e86\u5957\u63a5\u5b57\u521b\u5efa\u3001\u7ed1\u5b9a\u3001\u76d1\u542c\u3001\u5ba2\u6237\u7aef\u8fde\u63a5\u5904\u7406\u3001\u6570\u636e\u53d1\u9001\u548c\u63a5\u6536\u7b49\u64cd\u4f5c\uff0c\u4f7f\u5f97\u7f51\u7edc\u901a\u4fe1\u66f4\u52a0\u7b80\u6d01\u548c\u6613\u4e8e\u7ba1\u7406\u3002\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u4e86 TcpServer \u7c7b\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\uff0c\u5305\u62ec\u6784\u9020\u4e0e\u6790\u6784\u3001\u670d\u52a1\u5668\u542f\u52a8\u4e0e\u505c\u6b62\u3001\u8d44\u6e90\u7ba1\u7406\u3001\u975e\u963b\u585e\u6a21\u5f0f\u8bbe\u7f6e\u3001\u5ba2\u6237\u7aef\u8fde\u63a5\u5904\u7406\u4ee5\u53ca epoll \u4e8b\u4ef6\u5904\u7406\u3002\u901a\u8fc7\u8fd9\u4e2a\u7c7b\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u7406\u89e3\u548c\u5b9e\u73b0 TCP \u901a\u4fe1\u7684\u7ec6\u8282\u3002\u8fd9\u4e2a\u7c7b\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7b80\u6d01\u7684\u63a5\u53e3\u6765\u7ba1\u7406 TCP \u670d\u52a1\u5668\uff0c\u4f7f\u5f97\u7f51\u7edc\u7f16\u7a0b\u66f4\u52a0\u9ad8\u6548\u548c\u6613\u4e8e\u7ef4\u62a4\u3002_c++ linux tcp server<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,43,78],"topic":[],"class_list":["post-26535","post","type-post","status-publish","format-standard","hentry","category-server","tag-linux","tag-43","tag-78"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010Linux\u7f16\u7a0b\u3011TcpServer \u7c7b\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\uff1a\u6784\u5efa\u9ad8\u6027\u80fd\u7684 TCP \u670d\u52a1\u5668\uff08\u4e8c\uff09 - 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