{"id":74625,"date":"2026-02-10T09:25:25","date_gmt":"2026-02-10T01:25:25","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/74625.html"},"modified":"2026-02-10T09:25:25","modified_gmt":"2026-02-10T01:25:25","slug":"boost-c-%e5%ba%93%e5%ae%9e%e6%88%98%e6%95%99%e7%a8%8b%ef%bc%9a%e6%89%93%e9%80%a0%e9%ab%98%e6%80%a7%e8%83%bd%e5%8d%b3%e6%97%b6%e9%80%9a%e8%ae%af%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/74625.html","title":{"rendered":"Boost C++ \u5e93\u5b9e\u6218\u6559\u7a0b\uff1a\u6253\u9020\u9ad8\u6027\u80fd\u5373\u65f6\u901a\u8baf\u670d\u52a1\u5668"},"content":{"rendered":"<h3>\u524d\u8a00<\/h3>\n<p>boost.asio<\/p>\n<p>boost.asio \u662f\u4e00\u4e2a\u8de8\u5e73\u53f0\u7684 C&#043;&#043; \u7f51\u7edc\u5e93\u3002\u652f\u6301\u540c\u6b65 IO \u548c\u5f02\u6b65IO\u3002<\/p>\n<p>\u540c\u6b65 IO<\/p>\n<p align=\"center\"> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260210012524-698a89042593e.png\" \/> <\/p>\n<p>boost::asio::io_context io_context;<\/p>\n<p>boost::asio::ip::tcp::socket socket(io_context);<\/p>\n<p>socket.connect(server_endpoint); \/\/ \u5c06\u4f1a\u629b\u51fa\u5f02\u5e38<\/p>\n<p>boost::system::error_code ec;<\/p>\n<p>socket.connect(server_endpoint, ec); \/\/ \u8fd9\u91cc\u4e0d\u4f1a\u629b\u51fa\u5f02\u5e38<\/p>\n<p>\u5f02\u6b65 IO<\/p>\n<p align=\"center\"> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260210012524-698a89043bf95.png\" \/> <\/p>\n<p>proactor \u6a21\u578b<\/p>\n<p>\u8be6\u89e3\u5728&#xff1a;https:\/\/www.boost.org\/doc\/libs\/1_82_0\/doc\/html\/boost_asio\/overview\/core\/async.html\u3002 \u5176\u4e2d&#xff1a;<\/p>\n<ul>\n<li>Asynchronous Operation Processor<\/li>\n<li>reactor \u6a21\u578b\u4e2d&#xff0c; \u76f8\u5f53\u4e8e select\u3001poll\u3001epoll\u3002<\/li>\n<li>IOCP \u4e2d&#xff0c; \u76f8\u5f53\u4e8e AcceptEx\u3001WSARecv\u3001WSASend\u7b49\u3002<\/li>\n<\/ul>\n<p align=\"center\"> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260210012524-698a890451b15.png\" \/> <\/p>\n<p>\u57fa\u672c\u6982\u5ff5\u53ca\u63a5\u53e3<\/p>\n<ul>\n<li>\n<p>io_context<\/p>\n<p>\u7c7b\u4f3c reactor \u5bf9\u8c61&#xff0c;\u6216\u8005 iocp \u5bf9\u8c61\u3002<\/p>\n<ul>\n<li>run<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>ip::tcp::acceptor<\/p>\n<ul>\n<li>async_accept<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>ip::tcp::endpoint&#xff1a;\u7aef\u70b9&#xff0c;\u67d0\u4e2a\u5730\u5740\u548c\u7aef\u53e3\u7684\u5c01\u88c5\u3002<\/p>\n<\/li>\n<li>\n<p>ip::tcp::socket&#xff1a;socket\u521b\u5efa\u65f6&#xff0c;\u9700\u8981\u4e0e io_context \u8fdb\u884c\u7ed1\u5b9a\u3002<\/p>\n<ul>\n<li>async_connect<\/li>\n<li>async_read_some<\/li>\n<li>async_write_some<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h3>\u76ee\u5f55<\/h3>\n<li>Boost.Asio \u57fa\u7840\u77e5\u8bc6\n<ul>\n<li>io_context&#xff1a;\u4e8b\u4ef6\u5faa\u73af\u7684\u6838\u5fc3<\/li>\n<li>\u5f02\u6b65\u64cd\u4f5c\u6a21\u578b<\/li>\n<li>TCP Socket \u7f16\u7a0b<\/li>\n<li>\u4fe1\u53f7\u5904\u7406<\/li>\n<\/ul>\n<\/li>\n<li>Boost.Beast \u57fa\u7840\u77e5\u8bc6\n<ul>\n<li>HTTP \u8bf7\u6c42\u4e0e\u54cd\u5e94<\/li>\n<li>\u5f02\u6b65 HTTP \u670d\u52a1\u5668<\/li>\n<\/ul>\n<\/li>\n<li>Boost \u5176\u4ed6\u5e38\u7528\u7ec4\u4ef6\n<ul>\n<li>UUID \u751f\u6210<\/li>\n<li>\u914d\u7f6e\u6587\u4ef6\u89e3\u6790<\/li>\n<li>\u5b57\u8282\u5e8f\u8f6c\u6362<\/li>\n<\/ul>\n<\/li>\n<li>\u9879\u76ee\u5b9e\u6218\u6848\u4f8b\u5206\u6790\n<ul>\n<li>AsioIOServicePool&#xff1a;IO \u7ebf\u7a0b\u6c60<\/li>\n<li>CServer&#xff1a;TCP \u670d\u52a1\u5668<\/li>\n<li>CSession&#xff1a;\u4f1a\u8bdd\u7ba1\u7406\u4e0e\u5f02\u6b65\u8bfb\u5199<\/li>\n<li>HttpConnection&#xff1a;HTTP \u8fde\u63a5\u5904\u7406<\/li>\n<li>\u4fe1\u53f7\u4f18\u96c5\u9000\u51fa<\/li>\n<\/ul>\n<\/li>\n<li>\u603b\u7ed3\u4e0e\u6700\u4f73\u5b9e\u8df5<\/li>\n<hr \/>\n<h3>1. Boost.Asio \u57fa\u7840\u77e5\u8bc6<\/h3>\n<h4>1.1 io_context&#xff1a;\u4e8b\u4ef6\u5faa\u73af\u7684\u6838\u5fc3<\/h4>\n<p>io_context \u662f Boost.Asio \u7684\u6838\u5fc3\u7c7b&#xff0c;\u5b83\u8d1f\u8d23\u7ba1\u7406\u6240\u6709\u7684\u5f02\u6b65\u64cd\u4f5c\u548c\u4e8b\u4ef6\u5206\u53d1\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;boost\/asio.hpp&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521b\u5efa io_context \u5bf9\u8c61<\/span><br \/>\n    boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>io_context ioc<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5728\u8fd9\u91cc\u6ce8\u518c\u5404\u79cd\u5f02\u6b65\u64cd\u4f5c&#8230;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8fd0\u884c\u4e8b\u4ef6\u5faa\u73af&#xff08;\u963b\u585e\u76f4\u5230\u6240\u6709\u4efb\u52a1\u5b8c\u6210&#xff09;<\/span><br \/>\n    ioc<span class=\"token punctuation\">.<\/span><span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5173\u952e\u6982\u5ff5&#xff1a;<\/p>\n<ul>\n<li>io_context \u662f\u4e00\u4e2a\u4e8b\u4ef6\u5faa\u73af&#xff0c;\u8c03\u7528 run() \u540e\u4f1a\u963b\u585e\u5e76\u5904\u7406\u5df2\u6ce8\u518c\u7684\u5f02\u6b65\u4e8b\u4ef6<\/li>\n<li>\u5f53\u6ca1\u6709\u5f85\u5904\u7406\u7684\u4e8b\u4ef6\u65f6&#xff0c;run() \u4f1a\u8fd4\u56de<\/li>\n<li>\u53ef\u4ee5\u901a\u8fc7 stop() \u5f3a\u5236\u505c\u6b62\u4e8b\u4ef6\u5faa\u73af<\/li>\n<\/ul>\n<h4>1.2 \u5f02\u6b65\u64cd\u4f5c\u6a21\u578b<\/h4>\n<p>Boost.Asio \u91c7\u7528 Proactor \u5f02\u6b65\u6a21\u5f0f&#xff1a;<\/p>\n<li>\u53d1\u8d77\u5f02\u6b65\u64cd\u4f5c&#xff08;\u5982 async_read&#xff09;<\/li>\n<li>\u64cd\u4f5c\u5728\u540e\u53f0\u6267\u884c&#xff0c;\u4e0d\u963b\u585e\u5f53\u524d\u7ebf\u7a0b<\/li>\n<li>\u64cd\u4f5c\u5b8c\u6210\u540e&#xff0c;\u56de\u8c03\u51fd\u6570\u88ab\u8c03\u7528<\/li>\n<p><span class=\"token comment\">\/\/ \u5f02\u6b65\u8bfb\u53d6\u793a\u4f8b<\/span><br \/>\nsocket<span class=\"token punctuation\">.<\/span><span class=\"token function\">async_read_some<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">buffer<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">,<\/span> max_length<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <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\">const<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>system<span class=\"token double-colon punctuation\">::<\/span>error_code<span class=\"token operator\">&amp;<\/span> ec<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>size_t bytes_transferred<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>ec<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8bfb\u53d6\u6210\u529f&#xff0c;\u5904\u7406\u6570\u636e<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u8bfb\u53d6\u4e86 &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> bytes_transferred <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; \u5b57\u8282&#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> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5904\u7406\u9519\u8bef<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u8bfb\u53d6\u9519\u8bef: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ec<span class=\"token punctuation\">.<\/span><span class=\"token function\">what<\/span><span class=\"token punctuation\">(<\/span><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><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>1.3 TCP Socket \u7f16\u7a0b<\/h4>\n<h5>\u521b\u5efa TCP \u670d\u52a1\u5668<\/h5>\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;boost\/asio.hpp&gt;<\/span><\/span><br \/>\n<span class=\"token keyword\">using<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>ip<span class=\"token double-colon punctuation\">::<\/span>tcp<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Server<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">Server<\/span><span class=\"token punctuation\">(<\/span>boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>io_context<span class=\"token operator\">&amp;<\/span> ioc<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">short<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">acceptor_<\/span><span class=\"token punctuation\">(<\/span>ioc<span class=\"token punctuation\">,<\/span> tcp<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">endpoint<\/span><span class=\"token punctuation\">(<\/span>tcp<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">v4<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">StartAccept<\/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\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">StartAccept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u521b\u5efa\u65b0\u7684 socket<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> socket <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token generic-function\"><span class=\"token function\">make_shared<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>tcp<span class=\"token double-colon punctuation\">::<\/span>socket<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>acceptor_<span class=\"token punctuation\">.<\/span><span class=\"token function\">get_executor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5f02\u6b65\u63a5\u53d7\u8fde\u63a5<\/span><br \/>\n        acceptor_<span class=\"token punctuation\">.<\/span><span class=\"token function\">async_accept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>socket<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">[<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> socket<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>system<span class=\"token double-colon punctuation\">::<\/span>error_code<span class=\"token operator\">&amp;<\/span> ec<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>ec<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token comment\">\/\/ \u8fde\u63a5\u6210\u529f&#xff0c;\u5904\u7406\u65b0\u5ba2\u6237\u7aef<\/span><br \/>\n                    <span class=\"token function\">HandleClient<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u7ee7\u7eed\u63a5\u53d7\u4e0b\u4e00\u4e2a\u8fde\u63a5<\/span><br \/>\n                <span class=\"token function\">StartAccept<\/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 punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleClient<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>tcp<span class=\"token double-colon punctuation\">::<\/span>socket<span class=\"token operator\">&gt;<\/span> socket<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5904\u7406\u5ba2\u6237\u7aef\u8fde\u63a5<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    tcp<span class=\"token double-colon punctuation\">::<\/span>acceptor acceptor_<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h5>\u5f02\u6b65\u5199\u5165\u6570\u636e<\/h5>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> message<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ async_write \u4fdd\u8bc1\u53d1\u9001\u5b8c\u6574\u6570\u636e<\/span><br \/>\n    boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">async_write<\/span><span class=\"token punctuation\">(<\/span>socket_<span class=\"token punctuation\">,<\/span><br \/>\n        boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">buffer<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <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\">const<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>system<span class=\"token double-colon punctuation\">::<\/span>error_code<span class=\"token operator\">&amp;<\/span> ec<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>size_t <span class=\"token comment\">\/*bytes*\/<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ec<span class=\"token punctuation\">)<\/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;\u53d1\u9001\u5931\u8d25: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ec<span class=\"token punctuation\">.<\/span><span class=\"token function\">what<\/span><span class=\"token punctuation\">(<\/span><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><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>1.4 \u4fe1\u53f7\u5904\u7406<\/h4>\n<p>\u4f18\u96c5\u5730\u5904\u7406 SIGINT&#xff08;Ctrl&#043;C&#xff09;\u548c SIGTERM \u4fe1\u53f7&#xff1a;<\/p>\n<p>boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>io_context ioc<span class=\"token punctuation\">;<\/span><br \/>\nboost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>signal_set <span class=\"token function\">signals<\/span><span class=\"token punctuation\">(<\/span>ioc<span class=\"token punctuation\">,<\/span> SIGINT<span class=\"token punctuation\">,<\/span> SIGTERM<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>signals<span class=\"token punctuation\">.<\/span><span class=\"token function\">async_wait<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span>ioc<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>system<span class=\"token double-colon punctuation\">::<\/span>error_code<span class=\"token operator\">&amp;<\/span> error<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> signal_number<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>error<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;\u6536\u5230\u4fe1\u53f7: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> signal_number <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;&#xff0c;\u6b63\u5728\u5173\u95ed&#8230;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        ioc<span class=\"token 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 punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>ioc<span class=\"token punctuation\">.<\/span><span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<hr \/>\n<h3>2. Boost.Beast \u57fa\u7840\u77e5\u8bc6<\/h3>\n<p>Boost.Beast \u662f\u57fa\u4e8e Boost.Asio \u7684 HTTP\/WebSocket \u5e93&#xff0c;\u4e13\u95e8\u7528\u4e8e\u7f51\u7edc\u534f\u8bae\u5904\u7406\u3002<\/p>\n<h4>2.1 HTTP \u8bf7\u6c42\u4e0e\u54cd\u5e94<\/h4>\n<h5>\u547d\u540d\u7a7a\u95f4\u522b\u540d&#xff08;\u63a8\u8350\u5199\u6cd5&#xff09;<\/h5>\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;boost\/beast.hpp&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;boost\/beast\/http.hpp&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">namespace<\/span> beast <span class=\"token operator\">&#061;<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>beast<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">namespace<\/span> http <span class=\"token operator\">&#061;<\/span> beast<span class=\"token double-colon punctuation\">::<\/span>http<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">namespace<\/span> net <span class=\"token operator\">&#061;<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">using<\/span> tcp <span class=\"token operator\">&#061;<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>ip<span class=\"token double-colon punctuation\">::<\/span>tcp<span class=\"token punctuation\">;<\/span><\/p>\n<h5>HTTP \u8bf7\u6c42\u5bf9\u8c61<\/h5>\n<p><span class=\"token comment\">\/\/ \u521b\u5efa HTTP \u8bf7\u6c42&#xff08;dynamic_body \u652f\u6301\u52a8\u6001\u5927\u5c0f\u7684\u8bf7\u6c42\u4f53&#xff09;<\/span><br \/>\nhttp<span class=\"token double-colon punctuation\">::<\/span>request<span class=\"token operator\">&lt;<\/span>http<span class=\"token double-colon punctuation\">::<\/span>dynamic_body<span class=\"token operator\">&gt;<\/span> request<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u83b7\u53d6\u8bf7\u6c42\u65b9\u6cd5<\/span><br \/>\n<span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span><span class=\"token function\">method<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> http<span class=\"token double-colon punctuation\">::<\/span>verb<span class=\"token double-colon punctuation\">::<\/span>get<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5904\u7406 GET \u8bf7\u6c42<\/span><br \/>\n<span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span><span class=\"token function\">method<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> http<span class=\"token double-colon punctuation\">::<\/span>verb<span class=\"token double-colon punctuation\">::<\/span>post<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5904\u7406 POST \u8bf7\u6c42<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u83b7\u53d6\u8bf7\u6c42\u8def\u5f84<\/span><br \/>\nstd<span class=\"token double-colon punctuation\">::<\/span>string target <span class=\"token operator\">&#061;<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">target<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u83b7\u53d6\u8bf7\u6c42\u4f53\u5185\u5bb9<\/span><br \/>\nstd<span class=\"token double-colon punctuation\">::<\/span>string body <span class=\"token operator\">&#061;<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>beast<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">buffers_to_string<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span><span class=\"token function\">body<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">data<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h5>HTTP \u54cd\u5e94\u5bf9\u8c61<\/h5>\n<p>http<span class=\"token double-colon punctuation\">::<\/span>response<span class=\"token operator\">&lt;<\/span>http<span class=\"token double-colon punctuation\">::<\/span>dynamic_body<span class=\"token operator\">&gt;<\/span> response<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bbe\u7f6e\u72b6\u6001\u7801<\/span><br \/>\nresponse<span class=\"token punctuation\">.<\/span><span class=\"token function\">result<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>status<span class=\"token double-colon punctuation\">::<\/span>ok<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ 200<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bbe\u7f6e\u54cd\u5e94\u5934<\/span><br \/>\nresponse<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>field<span class=\"token double-colon punctuation\">::<\/span>server<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;MyServer&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nresponse<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>field<span class=\"token double-colon punctuation\">::<\/span>content_type<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;application\/json&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bbe\u7f6e\u54cd\u5e94\u4f53<\/span><br \/>\nbeast<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">ostream<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">.<\/span><span class=\"token function\">body<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;{\\\\&#034;status\\\\&#034;: \\\\&#034;success\\\\&#034;}&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bbe\u7f6e Content-Length<\/span><br \/>\nresponse<span class=\"token punctuation\">.<\/span><span class=\"token function\">content_length<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">.<\/span><span class=\"token function\">body<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>2.2 \u5f02\u6b65 HTTP \u670d\u52a1\u5668<\/h4>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">HttpConnection<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token class-name\">enable_shared_from_this<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">HttpConnection<\/span><span class=\"token operator\">&gt;<\/span><\/span> <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">HttpConnection<\/span><span class=\"token punctuation\">(<\/span>boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>io_context<span class=\"token operator\">&amp;<\/span> ioc<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">socket_<\/span><span class=\"token punctuation\">(<\/span>ioc<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> self <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5f02\u6b65\u8bfb\u53d6 HTTP \u8bf7\u6c42<\/span><br \/>\n        http<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">async_read<\/span><span class=\"token punctuation\">(<\/span>socket_<span class=\"token punctuation\">,<\/span> buffer_<span class=\"token punctuation\">,<\/span> request_<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">[<\/span>self<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>beast<span class=\"token double-colon punctuation\">::<\/span>error_code ec<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>size_t bytes_transferred<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>ec<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    self<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">HandleRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6784\u5efa\u54cd\u5e94<\/span><br \/>\n        response_<span class=\"token punctuation\">.<\/span><span class=\"token function\">result<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>status<span class=\"token double-colon punctuation\">::<\/span>ok<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        response_<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>field<span class=\"token double-colon punctuation\">::<\/span>content_type<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;text\/plain&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        beast<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">ostream<\/span><span class=\"token punctuation\">(<\/span>response_<span class=\"token punctuation\">.<\/span><span class=\"token function\">body<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Hello, World!&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token function\">WriteResponse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">WriteResponse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> self <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        response_<span class=\"token punctuation\">.<\/span><span class=\"token function\">content_length<\/span><span class=\"token punctuation\">(<\/span>response_<span class=\"token punctuation\">.<\/span><span class=\"token function\">body<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5f02\u6b65\u5199\u5165\u54cd\u5e94<\/span><br \/>\n        http<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">async_write<\/span><span class=\"token punctuation\">(<\/span>socket_<span class=\"token punctuation\">,<\/span> response_<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">[<\/span>self<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>beast<span class=\"token double-colon punctuation\">::<\/span>error_code ec<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>size_t<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u5173\u95ed\u53d1\u9001\u901a\u9053<\/span><br \/>\n                self<span class=\"token operator\">-&gt;<\/span>socket_<span class=\"token punctuation\">.<\/span><span class=\"token function\">shutdown<\/span><span class=\"token punctuation\">(<\/span>tcp<span class=\"token double-colon punctuation\">::<\/span>socket<span class=\"token double-colon punctuation\">::<\/span>shutdown_send<span class=\"token punctuation\">,<\/span> ec<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <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>    tcp<span class=\"token double-colon punctuation\">::<\/span>socket socket_<span class=\"token punctuation\">;<\/span><br \/>\n    beast<span class=\"token double-colon punctuation\">::<\/span>flat_buffer buffer_<span class=\"token punctuation\">{<\/span><span class=\"token number\">8192<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    http<span class=\"token double-colon punctuation\">::<\/span>request<span class=\"token operator\">&lt;<\/span>http<span class=\"token double-colon punctuation\">::<\/span>dynamic_body<span class=\"token operator\">&gt;<\/span> request_<span class=\"token punctuation\">;<\/span><br \/>\n    http<span class=\"token double-colon punctuation\">::<\/span>response<span class=\"token operator\">&lt;<\/span>http<span class=\"token double-colon punctuation\">::<\/span>dynamic_body<span class=\"token operator\">&gt;<\/span> response_<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<hr \/>\n<h3>3. Boost \u5176\u4ed6\u5e38\u7528\u7ec4\u4ef6<\/h3>\n<h4>3.1 UUID \u751f\u6210<\/h4>\n<p>\u7528\u4e8e\u751f\u6210\u552f\u4e00\u7684\u4f1a\u8bdd\u6807\u8bc6\u7b26&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;boost\/uuid\/uuid.hpp&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;boost\/uuid\/uuid_generators.hpp&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;boost\/uuid\/uuid_io.hpp&gt;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u751f\u6210\u968f\u673a UUID<\/span><br \/>\nboost<span class=\"token double-colon punctuation\">::<\/span>uuids<span class=\"token double-colon punctuation\">::<\/span>uuid uuid <span class=\"token operator\">&#061;<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>uuids<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">random_generator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<\/span><br \/>\nstd<span class=\"token double-colon punctuation\">::<\/span>string session_id <span class=\"token operator\">&#061;<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>uuids<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>uuid<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u8f93\u51fa\u793a\u4f8b: &#034;550e8400-e29b-41d4-a716-446655440000&#034;<\/span><\/p>\n<h4>3.2 \u914d\u7f6e\u6587\u4ef6\u89e3\u6790<\/h4>\n<p>\u4f7f\u7528 boost::property_tree \u8bfb\u53d6 INI \u914d\u7f6e\u6587\u4ef6&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;boost\/property_tree\/ptree.hpp&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;boost\/property_tree\/ini_parser.hpp&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;boost\/filesystem.hpp&gt;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u83b7\u53d6\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55<\/span><br \/>\nboost<span class=\"token double-colon punctuation\">::<\/span>filesystem<span class=\"token double-colon punctuation\">::<\/span>path current_path <span class=\"token operator\">&#061;<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>filesystem<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">current_path<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u62fc\u63a5\u914d\u7f6e\u6587\u4ef6\u8def\u5f84<\/span><br \/>\nboost<span class=\"token double-colon punctuation\">::<\/span>filesystem<span class=\"token double-colon punctuation\">::<\/span>path config_path <span class=\"token operator\">&#061;<\/span> current_path <span class=\"token operator\">\/<\/span> <span class=\"token string\">&#034;config.ini&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bfb\u53d6 INI \u6587\u4ef6<\/span><br \/>\nboost<span class=\"token double-colon punctuation\">::<\/span>property_tree<span class=\"token double-colon punctuation\">::<\/span>ptree pt<span class=\"token punctuation\">;<\/span><br \/>\nboost<span class=\"token double-colon punctuation\">::<\/span>property_tree<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">read_ini<\/span><span class=\"token punctuation\">(<\/span>config_path<span class=\"token punctuation\">.<\/span><span class=\"token function\">string<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> pt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u904d\u5386\u6240\u6709 section \u548c key-value<\/span><br \/>\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">auto<\/span><span class=\"token operator\">&amp;<\/span> section_pair <span class=\"token operator\">:<\/span> pt<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> section_name <span class=\"token operator\">&#061;<\/span> section_pair<span class=\"token punctuation\">.<\/span>first<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u5982 &#034;GateServer&#034;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>property_tree<span class=\"token double-colon punctuation\">::<\/span>ptree<span class=\"token operator\">&amp;<\/span> section_tree <span class=\"token operator\">&#061;<\/span> section_pair<span class=\"token punctuation\">.<\/span>second<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">auto<\/span><span class=\"token operator\">&amp;<\/span> key_value_pair <span class=\"token operator\">:<\/span> section_tree<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> key <span class=\"token operator\">&#061;<\/span> key_value_pair<span class=\"token punctuation\">.<\/span>first<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> value <span class=\"token operator\">&#061;<\/span> key_value_pair<span class=\"token punctuation\">.<\/span>second<span class=\"token punctuation\">.<\/span><span class=\"token generic-function\"><span class=\"token function\">get_value<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/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> section_name <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;.&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> key <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; &#061; &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> value <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u914d\u7f6e\u6587\u4ef6\u793a\u4f8b (config.ini):<\/p>\n<p>[GateServer]<br \/>\nPort&#061;8080<br \/>\nHost&#061;0.0.0.0<\/p>\n<p>[Database]<br \/>\nHost&#061;localhost<br \/>\nPort&#061;3306<\/p>\n<h4>3.3 \u5b57\u8282\u5e8f\u8f6c\u6362<\/h4>\n<p>\u7f51\u7edc\u4f20\u8f93\u901a\u5e38\u4f7f\u7528\u5927\u7aef\u5e8f&#xff08;\u7f51\u7edc\u5b57\u8282\u5e8f&#xff09;&#xff0c;\u800c\u5927\u591a\u6570\u673a\u5668\u4f7f\u7528\u5c0f\u7aef\u5e8f&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;boost\/asio\/detail\/socket_ops.hpp&gt;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4e3b\u673a\u5b57\u8282\u5e8f -&gt; \u7f51\u7edc\u5b57\u8282\u5e8f&#xff08;\u53d1\u9001\u524d&#xff09;<\/span><br \/>\n<span class=\"token keyword\">short<\/span> msg_id <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1001<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">short<\/span> msg_id_network <span class=\"token operator\">&#061;<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>detail<span class=\"token double-colon punctuation\">::<\/span>socket_ops<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">host_to_network_short<\/span><span class=\"token punctuation\">(<\/span>msg_id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u7f51\u7edc\u5b57\u8282\u5e8f -&gt; \u4e3b\u673a\u5b57\u8282\u5e8f&#xff08;\u63a5\u6536\u540e&#xff09;<\/span><br \/>\n<span class=\"token keyword\">short<\/span> msg_id_host <span class=\"token operator\">&#061;<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>detail<span class=\"token double-colon punctuation\">::<\/span>socket_ops<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">network_to_host_short<\/span><span class=\"token punctuation\">(<\/span>msg_id_network<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<hr \/>\n<h3>4. \u9879\u76ee\u5b9e\u6218\u6848\u4f8b\u5206\u6790<\/h3>\n<p>\u4e0b\u9762\u901a\u8fc7\u5b9e\u9645\u9879\u76ee\u4ee3\u7801&#xff0c;\u5c55\u793a Boost \u5728\u771f\u5b9e\u670d\u52a1\u5668\u5f00\u53d1\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n<h4>4.1 AsioIOServicePool&#xff1a;IO \u7ebf\u7a0b\u6c60<\/h4>\n<p>\u4e3a\u4ec0\u4e48\u9700\u8981 IO \u7ebf\u7a0b\u6c60&#xff1f;<\/p>\n<ul>\n<li>\u5355\u7ebf\u7a0b io_context \u65e0\u6cd5\u5145\u5206\u5229\u7528\u591a\u6838 CPU<\/li>\n<li>\u591a\u4e2a io_context &#043; \u591a\u7ebf\u7a0b\u53ef\u4ee5\u63d0\u9ad8\u5e76\u53d1\u5904\u7406\u80fd\u529b<\/li>\n<\/ul>\n<p>\u5934\u6587\u4ef6 AsioIOServicePool.h:<\/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><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;boost\/asio.hpp&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;Singleton.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4f7f\u7528 io_context \u8fde\u63a5\u6c60\u63d0\u9ad8\u5e76\u53d1<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">AsioIOServicePool<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Singleton<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">AsioIOServicePool<\/span><span class=\"token operator\">&gt;<\/span><\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">friend<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Singleton<\/span><span class=\"token operator\">&lt;<\/span>AsioIOServicePool<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">using<\/span> IOService <span class=\"token operator\">&#061;<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>io_context<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">using<\/span> Work <span class=\"token operator\">&#061;<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>io_context<span class=\"token double-colon punctuation\">::<\/span>work<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u9632\u6b62 io_context \u5728\u65e0\u4efb\u52a1\u65f6\u9000\u51fa<\/span><br \/>\n    <span class=\"token keyword\">using<\/span> WorkPtr <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>unique_ptr<span class=\"token operator\">&lt;<\/span>Work<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">AsioIOServicePool<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">AsioIOServicePool<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> AsioIOServicePool<span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">delete<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    AsioIOServicePool<span class=\"token operator\">&amp;<\/span> <span class=\"token keyword\">operator<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> AsioIOServicePool<span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">delete<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8f6e\u8be2\u83b7\u53d6\u4e00\u4e2a io_context&#xff08;\u8d1f\u8f7d\u5747\u8861&#xff09;<\/span><br \/>\n    boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>io_context<span class=\"token operator\">&amp;<\/span> <span class=\"token function\">GetIOService<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u505c\u6b62\u6240\u6709\u7ebf\u7a0b<\/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><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">AsioIOServicePool<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>size_t size <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u9ed8\u8ba4 2 \u4e2a\u7ebf\u7a0b<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>IOService<span class=\"token operator\">&gt;<\/span> _ioServices<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u591a\u4e2a io_context<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>WorkPtr<span class=\"token operator\">&gt;<\/span> _works<span class=\"token punctuation\">;<\/span>          <span class=\"token comment\">\/\/ \u6bcf\u4e2a io_context \u914d\u4e00\u4e2a work<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>thread<span class=\"token operator\">&gt;<\/span> _threads<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u5de5\u4f5c\u7ebf\u7a0b<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>size_t _nextIOService<span class=\"token punctuation\">;<\/span>           <span class=\"token comment\">\/\/ \u8f6e\u8be2\u4e0b\u6807<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5b9e\u73b0\u6587\u4ef6 AsioIOServicePool.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;AsioIOServicePool.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\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6784\u9020\u51fd\u6570&#xff1a;\u521b\u5efa\u7ebf\u7a0b\u6c60<\/span><br \/>\n<span class=\"token class-name\">AsioIOServicePool<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">AsioIOServicePool<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>size_t size<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token operator\">:<\/span> <span class=\"token function\">_ioServices<\/span><span class=\"token punctuation\">(<\/span>size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_works<\/span><span class=\"token punctuation\">(<\/span>size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_nextIOService<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7ed9\u6bcf\u4e2a io_context \u7ed1\u5b9a\u4e00\u4e2a work<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>size_t i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> size<span class=\"token punctuation\">;<\/span> <span class=\"token operator\">&#043;&#043;<\/span>i<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        _works<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token generic-function\"><span class=\"token function\">unique_ptr<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>Work<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">Work<\/span><span class=\"token punctuation\">(<\/span>_ioServices<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4e3a\u6bcf\u4e2a io_context \u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u8fd0\u884c\u4e8b\u4ef6\u5faa\u73af<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>size_t i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> _ioServices<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token operator\">&#043;&#043;<\/span>i<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        _threads<span class=\"token punctuation\">.<\/span><span class=\"token function\">emplace_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            _ioServices<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u7ebf\u7a0b\u8fdb\u5165\u4e8b\u4ef6\u5faa\u73af<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token class-name\">AsioIOServicePool<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token operator\">~<\/span><span class=\"token function\">AsioIOServicePool<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">Stop<\/span><span class=\"token punctuation\">(<\/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;AsioIOServicePool destruct&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8f6e\u8be2\u5206\u914d io_context&#xff08;Round-Robin \u8d1f\u8f7d\u5747\u8861&#xff09;<\/span><br \/>\nboost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>io_context<span class=\"token operator\">&amp;<\/span> <span class=\"token class-name\">AsioIOServicePool<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">GetIOService<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">auto<\/span><span class=\"token operator\">&amp;<\/span> service <span class=\"token operator\">&#061;<\/span> _ioServices<span class=\"token punctuation\">[<\/span>_nextIOService<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_nextIOService <span class=\"token operator\">&#061;&#061;<\/span> _ioServices<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        _nextIOService <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> service<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5173\u95ed\u7ebf\u7a0b\u6c60<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">AsioIOServicePool<\/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\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span><span class=\"token operator\">&amp;<\/span> work <span class=\"token operator\">:<\/span> _works<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        work<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">get_io_context<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u544a\u8bc9 io_context \u505c\u6b62<\/span><br \/>\n        work<span class=\"token punctuation\">.<\/span><span class=\"token function\">reset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>                    <span class=\"token comment\">\/\/ \u5220\u9664 work<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span><span class=\"token operator\">&amp;<\/span> t <span class=\"token operator\">:<\/span> _threads<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        t<span class=\"token punctuation\">.<\/span><span class=\"token function\">join<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u7b49\u5f85\u6240\u6709\u5de5\u4f5c\u7ebf\u7a0b\u7ed3\u675f<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u6838\u5fc3\u77e5\u8bc6\u70b9&#xff1a;<\/p>\n<li>io_context::work \u7684\u4f5c\u7528&#xff1a;\u9632\u6b62 io_context::run() \u5728\u6ca1\u6709\u4efb\u52a1\u65f6\u7acb\u5373\u8fd4\u56de<\/li>\n<li>\u8f6e\u8be2\u5206\u914d&#xff1a;\u7b80\u5355\u9ad8\u6548\u7684\u8d1f\u8f7d\u5747\u8861\u7b56\u7565<\/li>\n<li>\u4f18\u96c5\u5173\u95ed&#xff1a;\u5148 stop() \u518d join()&#xff0c;\u786e\u4fdd\u8d44\u6e90\u6b63\u786e\u91ca\u653e<\/li>\n<h4>4.2 CServer&#xff1a;TCP \u670d\u52a1\u5668<\/h4>\n<p>GateServer \u7248\u672c\u7684\u670d\u52a1\u5668\u7528\u4e8e\u5904\u7406 HTTP \u8fde\u63a5&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;CServer.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\">&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\">&#034;HttpConnection.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;AsioIOServicePool.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6784\u9020\u51fd\u6570&#xff1a;\u521d\u59cb\u5316 acceptor<\/span><br \/>\n<span class=\"token class-name\">CServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">CServer<\/span><span class=\"token punctuation\">(<\/span>boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>io_context<span class=\"token operator\">&amp;<\/span> ioc<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">short<\/span><span class=\"token operator\">&amp;<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token operator\">:<\/span> <span class=\"token function\">_ioc<\/span><span class=\"token punctuation\">(<\/span>ioc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_acceptor<\/span><span class=\"token punctuation\">(<\/span>ioc<span class=\"token punctuation\">,<\/span> tcp<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">endpoint<\/span><span class=\"token punctuation\">(<\/span>tcp<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">v4<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f00\u59cb\u63a5\u53d7\u8fde\u63a5<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">CServer<\/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\">auto<\/span> self <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4ece\u7ebf\u7a0b\u6c60\u83b7\u53d6\u4e00\u4e2a io_context&#xff08;\u8d1f\u8f7d\u5747\u8861&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">auto<\/span><span class=\"token operator\">&amp;<\/span> io_context <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">AsioIOServicePool<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">GetInstance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetIOService<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521b\u5efa\u65b0\u7684 HTTP \u8fde\u63a5\u5bf9\u8c61<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>HttpConnection<span class=\"token operator\">&gt;<\/span> new_con <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token generic-function\"><span class=\"token function\">make_shared<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>HttpConnection<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>io_context<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5f02\u6b65\u63a5\u53d7\u8fde\u63a5<\/span><br \/>\n    _acceptor<span class=\"token punctuation\">.<\/span><span class=\"token function\">async_accept<\/span><span class=\"token punctuation\">(<\/span>new_con<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetSocket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span>self<span class=\"token punctuation\">,<\/span> new_con<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>beast<span class=\"token double-colon punctuation\">::<\/span>error_code ec<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ec<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u51fa\u9519\u5219\u653e\u5f03\u8fd9\u4e2a\u8fde\u63a5&#xff0c;\u7ee7\u7eed\u76d1\u542c<\/span><br \/>\n                self<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5904\u7406\u65b0\u8fde\u63a5<\/span><br \/>\n            new_con<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u7ee7\u7eed\u76d1\u542c\u4e0b\u4e00\u4e2a\u8fde\u63a5<\/span><br \/>\n            self<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>exception<span class=\"token operator\">&amp;<\/span> exp<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;exception is &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> exp<span class=\"token punctuation\">.<\/span><span class=\"token function\">what<\/span><span class=\"token punctuation\">(<\/span><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            self<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <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>ChatServer \u7248\u672c&#xff08;\u5904\u7406\u957f\u8fde\u63a5&#xff09;:<\/p>\n<p><span class=\"token class-name\">CServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">CServer<\/span><span class=\"token punctuation\">(<\/span>boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>io_context<span class=\"token operator\">&amp;<\/span> io_context<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">short<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token operator\">:<\/span> <span class=\"token function\">_io_context<\/span><span class=\"token punctuation\">(<\/span>io_context<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      <span class=\"token function\">_acceptor<\/span><span class=\"token punctuation\">(<\/span>io_context<span class=\"token punctuation\">,<\/span> tcp<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">endpoint<\/span><span class=\"token punctuation\">(<\/span>tcp<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">v4<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Server start success, listen on port : &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> _port <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">StartAccept<\/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\">CServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">HandleAccept<\/span><span class=\"token punctuation\">(<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>CSession<span class=\"token operator\">&gt;<\/span> new_session<span class=\"token punctuation\">,<\/span><br \/>\n                           <span class=\"token keyword\">const<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>system<span class=\"token double-colon punctuation\">::<\/span>error_code<span class=\"token operator\">&amp;<\/span> error<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>error<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        new_session<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u5f00\u59cb\u5904\u7406\u4f1a\u8bdd<\/span><br \/>\n        lock_guard<span class=\"token operator\">&lt;<\/span>mutex<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">lock<\/span><span class=\"token punctuation\">(<\/span>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _sessions<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span>new_session<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetSessionId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> new_session<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;session accept failed, error is &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> error<span class=\"token punctuation\">.<\/span><span class=\"token function\">what<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token function\">StartAccept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u7ee7\u7eed\u63a5\u53d7\u65b0\u8fde\u63a5<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">CServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">StartAccept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4ece\u7ebf\u7a0b\u6c60\u83b7\u53d6 io_context<\/span><br \/>\n    <span class=\"token keyword\">auto<\/span><span class=\"token operator\">&amp;<\/span> io_context <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">AsioIOServicePool<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">GetInstance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetIOService<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521b\u5efa\u65b0\u4f1a\u8bdd<\/span><br \/>\n    shared_ptr<span class=\"token operator\">&lt;<\/span>CSession<span class=\"token operator\">&gt;<\/span> new_session <span class=\"token operator\">&#061;<\/span> <span class=\"token generic-function\"><span class=\"token function\">make_shared<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>CSession<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>io_context<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5f02\u6b65\u63a5\u53d7<\/span><br \/>\n    _acceptor<span class=\"token punctuation\">.<\/span><span class=\"token function\">async_accept<\/span><span class=\"token punctuation\">(<\/span>new_session<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetSocket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>CServer<span class=\"token double-colon punctuation\">::<\/span>HandleAccept<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> new_session<span class=\"token punctuation\">,<\/span> placeholders<span class=\"token double-colon punctuation\">::<\/span>_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.3 CSession&#xff1a;\u4f1a\u8bdd\u7ba1\u7406\u4e0e\u5f02\u6b65\u8bfb\u5199<\/h4>\n<p>\u8fd9\u662f\u9879\u76ee\u4e2d\u6700\u6838\u5fc3\u7684\u7c7b&#xff0c;\u5c55\u793a\u4e86\u5b8c\u6574\u7684\u5f02\u6b65 TCP \u901a\u4fe1\u5b9e\u73b0&#xff1a;<\/p>\n<p>\u5934\u6587\u4ef6\u5173\u952e\u90e8\u5206:<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">CSession<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token class-name\">enable_shared_from_this<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">CSession<\/span><span class=\"token operator\">&gt;<\/span><\/span> <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">CSession<\/span><span class=\"token punctuation\">(<\/span>boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>io_context<span class=\"token operator\">&amp;<\/span> io_context<span class=\"token punctuation\">,<\/span> CServer<span class=\"token operator\">*<\/span> server<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">CSession<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    tcp<span class=\"token double-colon punctuation\">::<\/span>socket<span class=\"token operator\">&amp;<\/span> <span class=\"token function\">GetSocket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&amp;<\/span> <span class=\"token function\">GetSessionId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Send<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string msg<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">short<\/span> msgid<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><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5f02\u6b65\u8bfb\u53d6\u6307\u5b9a\u957f\u5ea6<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">asyncReadFull<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>size_t maxLength<span class=\"token punctuation\">,<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>system<span class=\"token double-colon punctuation\">::<\/span>error_code<span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>size_t<span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span> handler<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">asyncReadLen<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>size_t read_len<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>size_t total_len<span class=\"token punctuation\">,<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>system<span class=\"token double-colon punctuation\">::<\/span>error_code<span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>size_t<span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span> handler<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleWrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>system<span class=\"token double-colon punctuation\">::<\/span>error_code<span class=\"token operator\">&amp;<\/span> error<span class=\"token punctuation\">,<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>CSession<span class=\"token operator\">&gt;<\/span> shared_self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    tcp<span class=\"token double-colon punctuation\">::<\/span>socket _socket<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string _session_id<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">char<\/span> _data<span class=\"token punctuation\">[<\/span>MAX_LENGTH<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    CServer<span class=\"token operator\">*<\/span> _server<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> _b_close<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>queue<span class=\"token operator\">&lt;<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>SendNode<span class=\"token operator\">&gt;&gt;<\/span> _send_que<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u53d1\u9001\u961f\u5217<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>mutex _send_lock<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8230;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u6784\u9020\u51fd\u6570&#xff1a;\u4f7f\u7528 UUID \u751f\u6210\u4f1a\u8bdd ID:<\/p>\n<p><span class=\"token class-name\">CSession<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">CSession<\/span><span class=\"token punctuation\">(<\/span>boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>io_context<span class=\"token operator\">&amp;<\/span> io_context<span class=\"token punctuation\">,<\/span> CServer<span class=\"token operator\">*<\/span> server<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token operator\">:<\/span> <span class=\"token function\">_socket<\/span><span class=\"token punctuation\">(<\/span>io_context<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_server<\/span><span class=\"token punctuation\">(<\/span>server<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_b_close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_b_head_parse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_user_uid<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u751f\u6210\u552f\u4e00\u7684\u4f1a\u8bdd ID<\/span><br \/>\n    boost<span class=\"token double-colon punctuation\">::<\/span>uuids<span class=\"token double-colon punctuation\">::<\/span>uuid a_uuid <span class=\"token operator\">&#061;<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>uuids<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">random_generator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    _session_id <span class=\"token operator\">&#061;<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>uuids<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>a_uuid<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    _recv_head_node <span class=\"token operator\">&#061;<\/span> <span class=\"token generic-function\"><span class=\"token function\">make_shared<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>MsgNode<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>HEAD_TOTAL_LEN<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5f02\u6b65\u53d1\u9001&#xff1a;<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">CSession<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">Send<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string msg<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">short<\/span> msgid<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>lock_guard<span class=\"token operator\">&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>mutex<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">lock<\/span><span class=\"token punctuation\">(<\/span>_send_lock<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> send_que_size <span class=\"token operator\">&#061;<\/span> _send_que<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9632\u6b62\u53d1\u9001\u961f\u5217\u8fc7\u957f<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>send_que_size <span class=\"token operator\">&gt;&#061;<\/span> MAX_SENDQUE<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;session: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> _session_id <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; send que fulled&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/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><\/p>\n<p>    <span class=\"token comment\">\/\/ \u52a0\u5165\u53d1\u9001\u961f\u5217<\/span><br \/>\n    _send_que<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span><span class=\"token generic-function\"><span class=\"token function\">make_shared<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>SendNode<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>msg<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> msg<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> msgid<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5982\u679c\u961f\u5217\u4e4b\u524d\u975e\u7a7a&#xff0c;\u8bf4\u660e\u5df2\u6709\u53d1\u9001\u5728\u8fdb\u884c&#xff0c;\u76f4\u63a5\u8fd4\u56de<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>send_que_size <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5f00\u59cb\u53d1\u9001\u961f\u5217\u5934\u90e8\u7684\u6d88\u606f<\/span><br \/>\n    <span class=\"token keyword\">auto<\/span><span class=\"token operator\">&amp;<\/span> msgnode <span class=\"token operator\">&#061;<\/span> _send_que<span class=\"token punctuation\">.<\/span><span class=\"token function\">front<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">async_write<\/span><span class=\"token punctuation\">(<\/span>_socket<span class=\"token punctuation\">,<\/span><br \/>\n        boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">buffer<\/span><span class=\"token punctuation\">(<\/span>msgnode<span class=\"token operator\">-&gt;<\/span>_data<span class=\"token punctuation\">,<\/span> msgnode<span class=\"token operator\">-&gt;<\/span>_total_len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>CSession<span class=\"token double-colon punctuation\">::<\/span>HandleWrite<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>placeholders<span class=\"token double-colon punctuation\">::<\/span>_1<span class=\"token punctuation\">,<\/span> <span class=\"token function\">SharedSelf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u53d1\u9001\u56de\u8c03\u5904\u7406&#xff1a;<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">CSession<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">HandleWrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>system<span class=\"token double-colon punctuation\">::<\/span>error_code<span class=\"token operator\">&amp;<\/span> error<span class=\"token punctuation\">,<\/span><br \/>\n                           std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>CSession<span class=\"token operator\">&gt;<\/span> shared_self<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>error<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>lock_guard<span class=\"token operator\">&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>mutex<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">lock<\/span><span class=\"token punctuation\">(<\/span>_send_lock<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _send_que<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u79fb\u9664\u5df2\u53d1\u9001\u7684\u6d88\u606f<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u7ee7\u7eed\u53d1\u9001\u961f\u5217\u4e2d\u7684\u4e0b\u4e00\u6761\u6d88\u606f<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>_send_que<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/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\">auto<\/span><span class=\"token operator\">&amp;<\/span> msgnode <span class=\"token operator\">&#061;<\/span> _send_que<span class=\"token punctuation\">.<\/span><span class=\"token function\">front<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">async_write<\/span><span class=\"token punctuation\">(<\/span>_socket<span class=\"token punctuation\">,<\/span><br \/>\n                    boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">buffer<\/span><span class=\"token punctuation\">(<\/span>msgnode<span class=\"token operator\">-&gt;<\/span>_data<span class=\"token punctuation\">,<\/span> msgnode<span class=\"token operator\">-&gt;<\/span>_total_len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>CSession<span class=\"token double-colon punctuation\">::<\/span>HandleWrite<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>placeholders<span class=\"token double-colon punctuation\">::<\/span>_1<span class=\"token punctuation\">,<\/span> shared_self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/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;handle write failed, error is &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> error<span class=\"token punctuation\">.<\/span><span class=\"token function\">what<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _server<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">ClearSession<\/span><span class=\"token punctuation\">(<\/span>_session_id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>exception<span class=\"token operator\">&amp;<\/span> e<span class=\"token punctuation\">)<\/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;Exception code : &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> e<span class=\"token punctuation\">.<\/span><span class=\"token function\">what<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5f02\u6b65\u8bfb\u53d6&#xff08;\u9012\u5f52\u6a21\u5f0f&#xff09;&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u8bfb\u53d6\u5b8c\u6574\u957f\u5ea6<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">CSession<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">asyncReadFull<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>size_t maxLength<span class=\"token punctuation\">,<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>system<span class=\"token double-colon punctuation\">::<\/span>error_code<span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>size_t<span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span> handler<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span>_data<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> MAX_LENGTH<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u6e05\u7a7a\u7f13\u51b2\u533a<\/span><br \/>\n    <span class=\"token function\">asyncReadLen<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> maxLength<span class=\"token punctuation\">,<\/span> handler<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u9012\u5f52\u8bfb\u53d6\u6307\u5b9a\u5b57\u8282\u6570<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">CSession<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">asyncReadLen<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>size_t read_len<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>size_t total_len<span class=\"token punctuation\">,<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>system<span class=\"token double-colon punctuation\">::<\/span>error_code<span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>size_t<span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span> handler<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token keyword\">auto<\/span> self <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u9632\u6b62\u5bf9\u8c61\u88ab\u63d0\u524d\u9500\u6bc1<\/span><\/p>\n<p>    _socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">async_read_some<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">buffer<\/span><span class=\"token punctuation\">(<\/span>_data <span class=\"token operator\">&#043;<\/span> read_len<span class=\"token punctuation\">,<\/span> total_len <span class=\"token operator\">&#8211;<\/span> read_len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">[<\/span>read_len<span class=\"token punctuation\">,<\/span> total_len<span class=\"token punctuation\">,<\/span> handler<span class=\"token punctuation\">,<\/span> self<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>system<span class=\"token double-colon punctuation\">::<\/span>error_code<span class=\"token operator\">&amp;<\/span> ec<span class=\"token punctuation\">,<\/span><br \/>\n                                              std<span class=\"token double-colon punctuation\">::<\/span>size_t bytesTransfered<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ec<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">handler<\/span><span class=\"token punctuation\">(<\/span>ec<span class=\"token punctuation\">,<\/span> read_len <span class=\"token operator\">&#043;<\/span> bytesTransfered<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\">\/\/ \u68c0\u67e5\u662f\u5426\u8bfb\u591f\u4e86<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>read_len <span class=\"token operator\">&#043;<\/span> bytesTransfered <span class=\"token operator\">&gt;&#061;<\/span> total_len<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">handler<\/span><span class=\"token punctuation\">(<\/span>ec<span class=\"token punctuation\">,<\/span> read_len <span class=\"token operator\">&#043;<\/span> bytesTransfered<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\">\/\/ \u8fd8\u6ca1\u8bfb\u591f&#xff0c;\u7ee7\u7eed\u9012\u5f52\u8bfb\u53d6<\/span><br \/>\n            self<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">asyncReadLen<\/span><span class=\"token punctuation\">(<\/span>read_len <span class=\"token operator\">&#043;<\/span> bytesTransfered<span class=\"token punctuation\">,<\/span> total_len<span class=\"token punctuation\">,<\/span> handler<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <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>\u8bfb\u53d6\u6d88\u606f\u5934\u90e8&#xff08;\u542b\u5b57\u8282\u5e8f\u8f6c\u6362&#xff09;&#xff1a;<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">CSession<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">AsyncReadHead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> total_len<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">auto<\/span> self <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">asyncReadFull<\/span><span class=\"token punctuation\">(<\/span>HEAD_TOTAL_LEN<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span>self<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\">const<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>system<span class=\"token double-colon punctuation\">::<\/span>error_code<span class=\"token operator\">&amp;<\/span> ec<span class=\"token punctuation\">,<\/span><br \/>\n                                                std<span class=\"token double-colon punctuation\">::<\/span>size_t bytes_transfered<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ec<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;handle read failed, error is &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ec<span class=\"token punctuation\">.<\/span><span class=\"token function\">what<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                _server<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">ClearSession<\/span><span class=\"token punctuation\">(<\/span>_session_id<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>            _recv_head_node<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Clear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">memcpy<\/span><span class=\"token punctuation\">(<\/span>_recv_head_node<span class=\"token operator\">-&gt;<\/span>_data<span class=\"token punctuation\">,<\/span> _data<span class=\"token punctuation\">,<\/span> bytes_transfered<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u89e3\u6790\u6d88\u606f ID&#xff08;2 \u5b57\u8282&#xff09;<\/span><br \/>\n            <span class=\"token keyword\">short<\/span> msg_id <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">memcpy<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>msg_id<span class=\"token punctuation\">,<\/span> _recv_head_node<span class=\"token operator\">-&gt;<\/span>_data<span class=\"token punctuation\">,<\/span> HEAD_ID_LEN<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u7f51\u7edc\u5b57\u8282\u5e8f -&gt; \u4e3b\u673a\u5b57\u8282\u5e8f<\/span><br \/>\n            msg_id <span class=\"token operator\">&#061;<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>detail<span class=\"token double-colon punctuation\">::<\/span>socket_ops<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">network_to_host_short<\/span><span class=\"token punctuation\">(<\/span>msg_id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u89e3\u6790\u6d88\u606f\u957f\u5ea6&#xff08;2 \u5b57\u8282&#xff09;<\/span><br \/>\n            <span class=\"token keyword\">short<\/span> msg_len <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">memcpy<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>msg_len<span class=\"token punctuation\">,<\/span> _recv_head_node<span class=\"token operator\">-&gt;<\/span>_data <span class=\"token operator\">&#043;<\/span> HEAD_ID_LEN<span class=\"token punctuation\">,<\/span> HEAD_DATA_LEN<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            msg_len <span class=\"token operator\">&#061;<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>detail<span class=\"token double-colon punctuation\">::<\/span>socket_ops<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">network_to_host_short<\/span><span class=\"token punctuation\">(<\/span>msg_len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u9a8c\u8bc1\u6d88\u606f\u957f\u5ea6\u5408\u6cd5\u6027<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>msg_len <span class=\"token operator\">&gt;<\/span> MAX_LENGTH<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;invalid data length is &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> msg_len <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n                _server<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">ClearSession<\/span><span class=\"token punctuation\">(<\/span>_session_id<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\">\/\/ \u521b\u5efa\u6d88\u606f\u8282\u70b9&#xff0c;\u7ee7\u7eed\u8bfb\u53d6\u6d88\u606f\u4f53<\/span><br \/>\n            _recv_msg_node <span class=\"token operator\">&#061;<\/span> <span class=\"token generic-function\"><span class=\"token function\">make_shared<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>RecvNode<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>msg_len<span class=\"token punctuation\">,<\/span> msg_id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">AsyncReadBody<\/span><span class=\"token punctuation\">(<\/span>msg_len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>exception<span class=\"token operator\">&amp;<\/span> e<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;Exception code is &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> e<span class=\"token punctuation\">.<\/span><span class=\"token function\">what<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.4 HttpConnection&#xff1a;HTTP \u8fde\u63a5\u5904\u7406<\/h4>\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;HttpConnection.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;LogicSystem.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token class-name\">HttpConnection<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">HttpConnection<\/span><span class=\"token punctuation\">(<\/span>boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>io_context<span class=\"token operator\">&amp;<\/span> ioc<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token operator\">:<\/span> <span class=\"token function\">_socket<\/span><span class=\"token punctuation\">(<\/span>ioc<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f00\u542f\u76d1\u542c<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">HttpConnection<\/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\">auto<\/span> self <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    http<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">async_read<\/span><span class=\"token punctuation\">(<\/span>_socket<span class=\"token punctuation\">,<\/span> _buffer<span class=\"token punctuation\">,<\/span> _request<span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">[<\/span>self<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>beast<span class=\"token double-colon punctuation\">::<\/span>error_code ec<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>size_t bytes_transferred<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ec<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;http read err is &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ec<span class=\"token punctuation\">.<\/span><span class=\"token function\">what<\/span><span class=\"token punctuation\">(<\/span><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\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><\/p>\n<p>                boost<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">ignore_unused<\/span><span class=\"token punctuation\">(<\/span>bytes_transferred<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                self<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">HandleReq<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                self<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">CheckDeadline<\/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\">catch<\/span> <span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>exception<span class=\"token operator\">&amp;<\/span> exp<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;exception is &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> exp<span class=\"token punctuation\">.<\/span><span class=\"token function\">what<\/span><span class=\"token punctuation\">(<\/span><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><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5904\u7406 HTTP \u8bf7\u6c42<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">HttpConnection<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">HandleReq<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    _response<span class=\"token punctuation\">.<\/span><span class=\"token function\">version<\/span><span class=\"token punctuation\">(<\/span>_request<span class=\"token punctuation\">.<\/span><span class=\"token function\">version<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    _response<span class=\"token punctuation\">.<\/span><span class=\"token function\">keep_alive<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u77ed\u8fde\u63a5<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_request<span class=\"token punctuation\">.<\/span><span class=\"token function\">method<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> http<span class=\"token double-colon punctuation\">::<\/span>verb<span class=\"token double-colon punctuation\">::<\/span>get<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">PreParseGetParam<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">bool<\/span> success <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">LogicSystem<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">GetInstance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">HandleGet<\/span><span class=\"token punctuation\">(<\/span>_get_url<span class=\"token punctuation\">,<\/span> <span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>success<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            _response<span class=\"token punctuation\">.<\/span><span class=\"token function\">result<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>status<span class=\"token double-colon punctuation\">::<\/span>not_found<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _response<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>field<span class=\"token double-colon punctuation\">::<\/span>content_type<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;text\/plain&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            beast<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">ostream<\/span><span class=\"token punctuation\">(<\/span>_response<span class=\"token punctuation\">.<\/span><span class=\"token function\">body<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;url not found\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">WriteResponse<\/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><\/p>\n<p>        _response<span class=\"token punctuation\">.<\/span><span class=\"token function\">result<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>status<span class=\"token double-colon punctuation\">::<\/span>ok<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _response<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>field<span class=\"token double-colon punctuation\">::<\/span>server<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;GateServer&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">WriteResponse<\/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><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_request<span class=\"token punctuation\">.<\/span><span class=\"token function\">method<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> http<span class=\"token double-colon punctuation\">::<\/span>verb<span class=\"token double-colon punctuation\">::<\/span>post<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4ece\u8bf7\u6c42\u4f53\u83b7\u53d6 JSON \u6570\u636e<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> body_str <span class=\"token operator\">&#061;<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>beast<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">buffers_to_string<\/span><span class=\"token punctuation\">(<\/span>_request<span class=\"token punctuation\">.<\/span><span class=\"token function\">body<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">data<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">bool<\/span> success <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">LogicSystem<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">GetInstance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">HandlePost<\/span><span class=\"token punctuation\">(<\/span>_request<span class=\"token punctuation\">.<\/span><span class=\"token function\">target<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>success<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            _response<span class=\"token punctuation\">.<\/span><span class=\"token function\">result<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>status<span class=\"token double-colon punctuation\">::<\/span>not_found<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _response<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>field<span class=\"token double-colon punctuation\">::<\/span>content_type<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;text\/plain&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            beast<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">ostream<\/span><span class=\"token punctuation\">(<\/span>_response<span class=\"token punctuation\">.<\/span><span class=\"token function\">body<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;url not found\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">WriteResponse<\/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><\/p>\n<p>        _response<span class=\"token punctuation\">.<\/span><span class=\"token function\">result<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>status<span class=\"token double-colon punctuation\">::<\/span>ok<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _response<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>field<span class=\"token double-colon punctuation\">::<\/span>server<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;GateServer&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">WriteResponse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8d85\u65f6\u68c0\u6d4b<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">HttpConnection<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">CheckDeadline<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">auto<\/span> self <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    deadline_<span class=\"token punctuation\">.<\/span><span class=\"token function\">async_wait<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>self<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>beast<span class=\"token double-colon punctuation\">::<\/span>error_code ec<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>ec<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8d85\u65f6&#xff0c;\u5173\u95ed\u8fde\u63a5<\/span><br \/>\n            self<span class=\"token operator\">-&gt;<\/span>_socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>ec<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u53d1\u9001\u54cd\u5e94<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">HttpConnection<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">WriteResponse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">auto<\/span> self <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    _response<span class=\"token punctuation\">.<\/span><span class=\"token function\">content_length<\/span><span class=\"token punctuation\">(<\/span>_response<span class=\"token punctuation\">.<\/span><span class=\"token function\">body<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    http<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">async_write<\/span><span class=\"token punctuation\">(<\/span>_socket<span class=\"token punctuation\">,<\/span> _response<span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">[<\/span>self<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>beast<span class=\"token double-colon punctuation\">::<\/span>error_code ec<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>size_t<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5173\u95ed\u53d1\u9001\u901a\u9053<\/span><br \/>\n            self<span class=\"token operator\">-&gt;<\/span>_socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">shutdown<\/span><span class=\"token punctuation\">(<\/span>tcp<span class=\"token double-colon punctuation\">::<\/span>socket<span class=\"token double-colon punctuation\">::<\/span>shutdown_send<span class=\"token punctuation\">,<\/span> ec<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            self<span class=\"token operator\">-&gt;<\/span>deadline_<span class=\"token punctuation\">.<\/span><span class=\"token function\">cancel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.5 \u4fe1\u53f7\u4f18\u96c5\u9000\u51fa<\/h4>\n<p>\u591a\u670d\u52a1\u534f\u540c\u5173\u95ed\u7684\u5b8c\u6574\u793a\u4f8b&#xff08;ChatServer&#xff09;&#xff1a;<\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">auto<\/span><span class=\"token operator\">&amp;<\/span> cfg <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">ConfigMgr<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">Inst<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">auto<\/span> server_name <span class=\"token operator\">&#061;<\/span> cfg<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;SelfServer&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;Name&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> pool <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">AsioIOServicePool<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">GetInstance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u542f\u52a8 gRPC \u670d\u52a1\u5668<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token function\">server_address<\/span><span class=\"token punctuation\">(<\/span>cfg<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;SelfServer&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;Host&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> cfg<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;SelfServer&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;RPCPort&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        ChatServiceImpl service<span class=\"token punctuation\">;<\/span><br \/>\n        grpc<span class=\"token double-colon punctuation\">::<\/span>ServerBuilder builder<span class=\"token punctuation\">;<\/span><br \/>\n        builder<span class=\"token punctuation\">.<\/span><span class=\"token function\">AddListeningPort<\/span><span class=\"token punctuation\">(<\/span>server_address<span class=\"token punctuation\">,<\/span> grpc<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">InsecureServerCredentials<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        builder<span class=\"token punctuation\">.<\/span><span class=\"token function\">RegisterService<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>service<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>unique_ptr<span class=\"token operator\">&lt;<\/span>grpc<span class=\"token double-colon punctuation\">::<\/span>Server<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">server<\/span><span class=\"token punctuation\">(<\/span>builder<span class=\"token punctuation\">.<\/span><span class=\"token function\">BuildAndStart<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        std<span class=\"token double-colon punctuation\">::<\/span>thread <span class=\"token function\">grpc_server_thread<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span>server<span class=\"token punctuation\">]<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            server<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Wait<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ gRPC \u5728\u72ec\u7acb\u7ebf\u7a0b\u8fd0\u884c<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u4fe1\u53f7\u5904\u7406<\/span><br \/>\n        boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>io_context io_context<span class=\"token punctuation\">;<\/span><br \/>\n        boost<span class=\"token double-colon punctuation\">::<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>signal_set <span class=\"token function\">signals<\/span><span class=\"token punctuation\">(<\/span>io_context<span class=\"token punctuation\">,<\/span> SIGINT<span class=\"token punctuation\">,<\/span> SIGTERM<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        signals<span class=\"token punctuation\">.<\/span><span class=\"token function\">async_wait<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span>io_context<span class=\"token punctuation\">,<\/span> pool<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>server<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token keyword\">const<\/span> boost<span class=\"token double-colon punctuation\">::<\/span>system<span class=\"token double-colon punctuation\">::<\/span>error_code<span class=\"token operator\">&amp;<\/span> error<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> signal_number<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>error<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Received signal: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> signal_number <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\">\/\/ \u6309\u987a\u5e8f\u5173\u95ed\u5404\u4e2a\u7ec4\u4ef6<\/span><br \/>\n            io_context<span class=\"token punctuation\">.<\/span><span class=\"token function\">stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ 1. \u505c\u6b62\u63a5\u53d7\u65b0\u8fde\u63a5<\/span><br \/>\n            pool<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>        <span class=\"token comment\">\/\/ 2. \u505c\u6b62\u540e\u53f0 IO \u7ebf\u7a0b<\/span><br \/>\n            server<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Shutdown<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ 3. \u6700\u540e\u505c\u6b62 gRPC<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u542f\u52a8 TCP \u670d\u52a1\u5668<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> port_str <span class=\"token operator\">&#061;<\/span> cfg<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;SelfServer&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;Port&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        CServer <span class=\"token function\">s<\/span><span class=\"token punctuation\">(<\/span>io_context<span class=\"token punctuation\">,<\/span> <span class=\"token function\">atoi<\/span><span class=\"token punctuation\">(<\/span>port_str<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        io_context<span class=\"token punctuation\">.<\/span><span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u963b\u585e\u8fd0\u884c<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6e05\u7406\u8d44\u6e90<\/span><br \/>\n        <span class=\"token class-name\">RedisMgr<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">GetInstance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/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        grpc_server_thread<span class=\"token punctuation\">.<\/span><span class=\"token function\">join<\/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\">catch<\/span> <span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>exception<span class=\"token operator\">&amp;<\/span> e<span class=\"token punctuation\">)<\/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;Exception: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> e<span class=\"token punctuation\">.<\/span><span class=\"token function\">what<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h3>5. \u603b\u7ed3\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h3>\n<h4>5.1 \u6838\u5fc3\u8981\u70b9\u56de\u987e<\/h4>\n<table>\n<tr>\u7ec4\u4ef6\u7528\u9014\u5173\u952e\u65b9\u6cd5\/\u7c7b<\/tr>\n<tbody>\n<tr>\n<td>io_context<\/td>\n<td>\u4e8b\u4ef6\u5faa\u73af\u6838\u5fc3<\/td>\n<td>run(), stop()<\/td>\n<\/tr>\n<tr>\n<td>io_context::work<\/td>\n<td>\u963b\u6b62\u7a7a\u95f2\u9000\u51fa<\/td>\n<td>\u914d\u5408 io_context \u4f7f\u7528<\/td>\n<\/tr>\n<tr>\n<td>tcp::acceptor<\/td>\n<td>\u76d1\u542c\u8fde\u63a5<\/td>\n<td>async_accept()<\/td>\n<\/tr>\n<tr>\n<td>tcp::socket<\/td>\n<td>TCP \u901a\u4fe1<\/td>\n<td>async_read_some(), async_write()<\/td>\n<\/tr>\n<tr>\n<td>signal_set<\/td>\n<td>\u4fe1\u53f7\u5904\u7406<\/td>\n<td>async_wait()<\/td>\n<\/tr>\n<tr>\n<td>beast::http<\/td>\n<td>HTTP \u534f\u8bae<\/td>\n<td>async_read(), async_write()<\/td>\n<\/tr>\n<tr>\n<td>uuid<\/td>\n<td>\u552f\u4e00 ID \u751f\u6210<\/td>\n<td>random_generator()<\/td>\n<\/tr>\n<tr>\n<td>property_tree<\/td>\n<td>\u914d\u7f6e\u89e3\u6790<\/td>\n<td>read_ini()<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>5.2 \u6700\u4f73\u5b9e\u8df5<\/h4>\n<li>\n<p>\u4f7f\u7528 shared_from_this()&#xff1a;\u5728\u5f02\u6b65\u56de\u8c03\u4e2d\u4fdd\u6301\u5bf9\u8c61\u751f\u547d\u5468\u671f<\/p>\n<p> <span class=\"token keyword\">auto<\/span> self <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">shared_from_this<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nsocket<span class=\"token punctuation\">.<\/span><span class=\"token function\">async_read<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span>self<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> ec<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">auto<\/span> len<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n <\/li>\n<li>\n<p>\u5f02\u6b65\u64cd\u4f5c\u4e0d\u8981\u6df7\u5408\u4f7f\u7528&#xff1a;\u907f\u514d\u540c\u65f6\u4f7f\u7528 async_read \u548c read<\/p>\n<\/li>\n<li>\n<p>\u6b63\u786e\u5904\u7406\u9519\u8bef&#xff1a;\u59cb\u7ec8\u68c0\u67e5 error_code<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u7ebf\u7a0b\u6c60&#xff1a;\u591a\u6838\u73af\u5883\u4e0b\u4f7f\u7528 AsioIOServicePool \u63d0\u5347\u6027\u80fd<\/p>\n<\/li>\n<li>\n<p>\u4f18\u96c5\u5173\u95ed&#xff1a;\u6309\u6b63\u786e\u987a\u5e8f\u505c\u6b62\u5404\u7ec4\u4ef6<\/p>\n<p> io_context<span class=\"token punctuation\">.<\/span><span class=\"token function\">stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u5148\u505c\u6b62\u63a5\u53d7\u65b0\u8bf7\u6c42<\/span><br \/>\npool<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>       <span class=\"token comment\">\/\/ \u518d\u505c\u6b62\u5de5\u4f5c\u7ebf\u7a0b<\/span><br \/>\nserver<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Shutdown<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6700\u540e\u5173\u95ed\u670d\u52a1<\/span>\n <\/li>\n<li>\n<p>\u5b57\u8282\u5e8f\u8f6c\u6362&#xff1a;\u7f51\u7edc\u6570\u636e\u5fc5\u987b\u8fdb\u884c\u5b57\u8282\u5e8f\u8f6c\u6362<\/p>\n<p> <span class=\"token comment\">\/\/ \u53d1\u9001\u524d<\/span><br \/>\n<span class=\"token function\">host_to_network_short<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\">\/\/ \u63a5\u6536\u540e<\/span><br \/>\n<span class=\"token function\">network_to_host_short<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\n <\/li>\n<h4>5.3 \u8fdb\u9636\u5b66\u4e60\u8def\u5f84<\/h4>\n<li>WebSocket \u652f\u6301&#xff1a;boost::beast::websocket<\/li>\n<li>SSL\/TLS \u52a0\u5bc6&#xff1a;boost::asio::ssl<\/li>\n<li>\u534f\u7a0b\u652f\u6301&#xff1a;C&#043;&#043;20 \u534f\u7a0b &#043; Boost.Asio<\/li>\n<li>\u66f4\u591a Boost \u5e93&#xff1a;Boost.Log, Boost.Program_options<\/li>\n<hr \/>\n<h3>\u53c2\u8003\u8d44\u6599<\/h3>\n<ul>\n<li>Boost.Asio \u5b98\u65b9\u6587\u6863<\/li>\n<li>Boost.Beast \u5b98\u65b9\u6587\u6863<\/li>\n<li>Boost 1.85.0 \u53d1\u5e03\u8bf4\u660e<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00<br \/>\nboost.asio boost.asio \u662f\u4e00\u4e2a\u8de8\u5e73\u53f0\u7684 C \u7f51\u7edc\u5e93\u3002\u652f\u6301\u540c\u6b65 IO \u548c\u5f02\u6b65IO\u3002 \u540c\u6b65 IO boost::asio::io_context io_context;boost::asio::ip::tcp::socket socket(io_context);socket.connect(server_endpoint); \/\/ \u5c06\u4f1a\u629b\u51fa\u5f02\u5e38boost::system::error_code ec;socket.connect(server_end<\/p>\n","protected":false},"author":2,"featured_media":74622,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,190,43],"topic":[],"class_list":["post-74625","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-c","tag-190","tag-43"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Boost C++ \u5e93\u5b9e\u6218\u6559\u7a0b\uff1a\u6253\u9020\u9ad8\u6027\u80fd\u5373\u65f6\u901a\u8baf\u670d\u52a1\u5668 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/74625.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta 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