{"id":48784,"date":"2025-07-30T13:22:52","date_gmt":"2025-07-30T05:22:52","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/48784.html"},"modified":"2025-07-30T13:22:52","modified_gmt":"2025-07-30T05:22:52","slug":"boost-asio-%e6%98%af-boost-%e5%ba%93%e4%b8%ad%e7%94%a8%e4%ba%8e%e5%bc%82%e6%ad%a5-i-o-%e7%bc%96%e7%a8%8b%e7%9a%84%e5%bc%ba%e5%a4%a7%e5%b7%a5%e5%85%b7%ef%bc%8c%e5%b9%bf%e6%b3%9b%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/48784.html","title":{"rendered":"Boost.Asio \u662f Boost \u5e93\u4e2d\u7528\u4e8e\u5f02\u6b65 I\/O \u7f16\u7a0b\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7f51\u7edc\u7f16\u7a0b\uff08\u5982 TCP\/UDP \u670d\u52a1\u5668\uff09\u3001\u4e32\u53e3\u901a\u4fe1\u3001\u5b9a\u65f6\u5668\u7b49\u573a\u666f"},"content":{"rendered":"<p>Boost.Asio \u662f Boost \u5e93\u4e2d\u7528\u4e8e\u5f02\u6b65 I\/O \u7f16\u7a0b\u7684\u5f3a\u5927\u5de5\u5177&#xff0c;\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7f51\u7edc\u7f16\u7a0b&#xff08;\u5982 TCP\/UDP \u670d\u52a1\u5668&#xff09;\u3001\u4e32\u53e3\u901a\u4fe1\u3001\u5b9a\u65f6\u5668\u7b49\u573a\u666f\u3002\u7ed3\u5408\u4f60\u7684 C&#043;&#043;\u3001\u591a\u7ebf\u7a0b\u548c TCP\/IP \u6280\u80fd&#xff0c;\u4ee5\u4e0b\u662f Boost.Asio \u5f02\u6b65\u7f16\u7a0b\u7684\u8be6\u7ec6\u8bf4\u660e\u3001\u6838\u5fc3\u6982\u5ff5\u3001\u5b9e\u73b0\u65b9\u6cd5\u4ee5\u53ca\u4e0e\u4efb\u52a1\u8c03\u5ea6\u5668\u9879\u76ee\u7684\u6574\u5408\u5efa\u8bae&#xff0c;\u5e2e\u52a9\u4f60\u6df1\u5165\u638c\u63e1\u5f02\u6b65\u7f16\u7a0b\u3002<\/p>\n<hr \/>\n<p>1. Boost.Asio \u5f02\u6b65\u7f16\u7a0b\u6838\u5fc3\u6982\u5ff5<\/p>\n<p>Boost.Asio \u63d0\u4f9b\u4e86\u4e00\u79cd\u4e8b\u4ef6\u9a71\u52a8\u7684\u5f02\u6b65 I\/O \u6a21\u578b&#xff0c;\u57fa\u4e8e io_context&#xff08;\u4e8b\u4ef6\u5faa\u73af&#xff09;\u548c\u56de\u8c03\u673a\u5236&#xff08;\u6216 C&#043;&#043;11 \u540e\u7684\u534f\u7a0b&#xff09;\u3002\u5176\u6838\u5fc3\u7279\u70b9\u662f\u9ad8\u6027\u80fd\u3001\u975e\u963b\u585e\u7684 I\/O \u64cd\u4f5c&#xff0c;\u9002\u5408\u9ad8\u5e76\u53d1\u573a\u666f\u3002<\/p>\n<p>\u5173\u952e\u7ec4\u4ef6<\/p>\n<ul>\n<li>\n<p>io_context&#xff1a;\u4e8b\u4ef6\u5faa\u73af\u7684\u6838\u5fc3&#xff0c;\u7ba1\u7406\u6240\u6709\u5f02\u6b65\u64cd\u4f5c&#xff08;\u5982\u7f51\u7edc\u3001\u5b9a\u65f6\u5668&#xff09;\u3002\u53ef\u4ee5\u5355\u7ebf\u7a0b\u8fd0\u884c\u6216\u591a\u7ebf\u7a0b\u5206\u53d1\u4efb\u52a1\u3002<\/p>\n<\/li>\n<li>\n<p>Socket&#xff1a;\u7528\u4e8e TCP\/UDP \u901a\u4fe1&#xff08;\u5982 ip::tcp::socket&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>Acceptor&#xff1a;\u7528\u4e8e\u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5&#xff08;ip::tcp::acceptor&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>Deadline Timer&#xff1a;\u5f02\u6b65\u5b9a\u65f6\u5668&#xff08;deadline_timer \u6216 C&#043;&#043;11 \u7684 steady_timer&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>Handler&#xff1a;\u5f02\u6b65\u64cd\u4f5c\u7684\u56de\u8c03\u51fd\u6570&#xff0c;\u901a\u5e38\u662f lambda\u3001\u51fd\u6570\u5bf9\u8c61\u6216 std::function\u3002<\/p>\n<\/li>\n<li>\n<p>Strand&#xff1a;\u786e\u4fdd\u56de\u8c03\u5728\u540c\u4e00\u4e0a\u4e0b\u6587\u987a\u5e8f\u6267\u884c&#xff0c;\u907f\u514d\u7ebf\u7a0b\u7ade\u4e89\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u5f02\u6b65\u7f16\u7a0b\u6a21\u578b<\/p>\n<ul>\n<li>\n<p>\u5f02\u6b65\u64cd\u4f5c&#xff1a;\u8c03\u7528\u5982 async_read\u3001async_write\u3001async_accept&#xff0c;\u63d0\u4f9b\u56de\u8c03\u51fd\u6570&#xff0c;\u64cd\u4f5c\u5b8c\u6210\u540e\u89e6\u53d1\u56de\u8c03\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e8b\u4ef6\u5faa\u73af&#xff1a;\u901a\u8fc7 io_context.run() \u8fd0\u884c&#xff0c;\u5904\u7406\u6240\u6709\u5f02\u6b65\u4e8b\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p>\u591a\u7ebf\u7a0b\u652f\u6301&#xff1a;\u591a\u4e2a\u7ebf\u7a0b\u53ef\u4ee5\u8c03\u7528 io_context.run()&#xff0c;\u5206\u53d1\u4efb\u52a1\u5230\u7ebf\u7a0b\u6c60\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u4f18\u52bf<\/p>\n<ul>\n<li>\n<p>\u975e\u963b\u585e&#xff0c;\u9002\u5408\u9ad8\u5e76\u53d1\u7f51\u7edc\u670d\u52a1\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e0e STL \u548c C&#043;&#043;11&#043; \u7279\u6027&#xff08;\u5982 lambda\u3001std::future&#xff09;\u65e0\u7f1d\u96c6\u6210\u3002<\/p>\n<\/li>\n<li>\n<p>\u8de8\u5e73\u53f0&#xff08;Windows\u3001Linux \u7b49&#xff09;\u3002<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<p>2. \u5f02\u6b65\u7f16\u7a0b\u5b9e\u73b0&#xff08;\u57fa\u4e8e TCP \u670d\u52a1\u5668&#xff09;<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528 Boost.Asio \u5b9e\u73b0\u7684\u5f02\u6b65 TCP \u670d\u52a1\u5668\u793a\u4f8b&#xff0c;\u6269\u5c55\u4efb\u52a1\u8c03\u5ea6\u5668\u9879\u76ee\u4e2d\u7684 NetworkServer \u7c7b&#xff0c;\u5c55\u793a\u5f02\u6b65\u7f16\u7a0b\u7684\u6838\u5fc3\u6280\u672f\u3002\u4ee3\u7801\u57fa\u4e8e C&#043;&#043;17&#xff0c;\u4f7f\u7528 Boost.Asio \u5904\u7406\u5ba2\u6237\u7aef\u4efb\u52a1\u8bf7\u6c42\u3002<\/p>\n<p>2.1 \u5f02\u6b65 TCP \u670d\u52a1\u5668\u4ee3\u7801<\/p>\n<p>cpp<\/p>\n<\/p>\n<p>#include &lt;boost\/asio.hpp&gt;<br \/>\n#include &lt;memory&gt;<br \/>\n#include &lt;string&gt;<br \/>\n#include &lt;iostream&gt;<br \/>\n#include &#034;TaskScheduler.h&#034; \/\/ \u5047\u8bbe\u5305\u542b\u524d\u8ff0\u4efb\u52a1\u8c03\u5ea6\u5668\u4ee3\u7801<\/p>\n<p>class AsyncSession : public std::enable_shared_from_this&lt;AsyncSession&gt; {<br \/>\npublic:<br \/>\n    AsyncSession(boost::asio::ip::tcp::socket socket, Scheduler&amp; scheduler)<br \/>\n        : socket_(std::move(socket)), scheduler_(scheduler) {}<\/p>\n<p>    void start() {<br \/>\n        doRead();<br \/>\n    }<\/p>\n<p>private:<br \/>\n    void doRead() {<br \/>\n        auto self(shared_from_this());<br \/>\n        socket_.async_read_some(<br \/>\n            boost::asio::buffer(buffer_),<br \/>\n            [this, self](const boost::system::error_code&amp; ec, std::size_t bytes) {<br \/>\n                if (!ec) {<br \/>\n                    std::string command(buffer_.data(), bytes);<br \/>\n                    \/\/ \u89e3\u6790\u547d\u4ee4\u5e76\u6dfb\u52a0\u5230\u8c03\u5ea6\u5668<br \/>\n                    Task task(&#034;task_&#034; &#043; std::to_string(std::rand()), 1,<br \/>\n                              std::chrono::system_clock::now(),<br \/>\n                              []() { std::cout &lt;&lt; &#034;Task executed\\\\n&#034;; });<br \/>\n                    scheduler_.addTask(task);<\/p>\n<p>                    \/\/ \u56de\u590d\u5ba2\u6237\u7aef<br \/>\n                    std::string response &#061; &#034;Task added\\\\n&#034;;<br \/>\n                    doWrite(response);<br \/>\n                } else {<br \/>\n                    std::cerr &lt;&lt; &#034;Read error: &#034; &lt;&lt; ec.message() &lt;&lt; &#034;\\\\n&#034;;<br \/>\n                }<br \/>\n            });<br \/>\n    }<\/p>\n<p>    void doWrite(const std::string&amp; response) {<br \/>\n        auto self(shared_from_this());<br \/>\n        boost::asio::async_write(<br \/>\n            socket_, boost::asio::buffer(response),<br \/>\n            [this, self](const boost::system::error_code&amp; ec, std::size_t \/*bytes*\/) {<br \/>\n                if (!ec) {<br \/>\n                    doRead(); \/\/ \u7ee7\u7eed\u8bfb\u53d6\u4e0b\u4e00\u6761\u547d\u4ee4<br \/>\n                } else {<br \/>\n                    std::cerr &lt;&lt; &#034;Write error: &#034; &lt;&lt; ec.message() &lt;&lt; &#034;\\\\n&#034;;<br \/>\n                }<br \/>\n            });<br \/>\n    }<\/p>\n<p>    boost::asio::ip::tcp::socket socket_;<br \/>\n    Scheduler&amp; scheduler_;<br \/>\n    std::array&lt;char, 1024&gt; buffer_;<br \/>\n};<\/p>\n<p>class AsyncServer {<br \/>\npublic:<br \/>\n    AsyncServer(Scheduler&amp; scheduler, unsigned short port)<br \/>\n        : scheduler_(scheduler),<br \/>\n          acceptor_(io_context_, boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), port)) {<br \/>\n        doAccept();<br \/>\n    }<\/p>\n<p>    void run() {<br \/>\n        io_context_.run();<br \/>\n    }<\/p>\n<p>private:<br \/>\n    void doAccept() {<br \/>\n        acceptor_.async_accept(<br \/>\n            [this](const boost::system::error_code&amp; ec, boost::asio::ip::tcp::socket socket) {<br \/>\n                if (!ec) {<br \/>\n                    std::make_shared&lt;AsyncSession&gt;(std::move(socket), scheduler_)-&gt;start();<br \/>\n                } else {<br \/>\n                    std::cerr &lt;&lt; &#034;Accept error: &#034; &lt;&lt; ec.message() &lt;&lt; &#034;\\\\n&#034;;<br \/>\n                }<br \/>\n                doAccept(); \/\/ \u7ee7\u7eed\u63a5\u53d7\u4e0b\u4e00\u4e2a\u8fde\u63a5<br \/>\n            });<br \/>\n    }<\/p>\n<p>    Scheduler&amp; scheduler_;<br \/>\n    boost::asio::io_context io_context_;<br \/>\n    boost::asio::ip::tcp::acceptor acceptor_;<br \/>\n};<\/p>\n<p>2.2 \u4e3b\u7a0b\u5e8f<\/p>\n<p>cpp<\/p>\n<\/p>\n<p>int main() {<br \/>\n    try {<br \/>\n        Scheduler scheduler(4); \/\/ 4\u4e2a\u5de5\u4f5c\u7ebf\u7a0b<br \/>\n        AsyncServer server(scheduler, 8080); \/\/ \u5f02\u6b65TCP\u670d\u52a1\u5668<br \/>\n        server.run();<br \/>\n    } catch (const std::exception&amp; e) {<br \/>\n        std::cerr &lt;&lt; &#034;Exception: &#034; &lt;&lt; e.what() &lt;&lt; &#034;\\\\n&#034;;<br \/>\n    }<br \/>\n    return 0;<br \/>\n}<\/p>\n<p>2.3 \u4ee3\u7801\u8bf4\u660e<\/p>\n<ul>\n<li>\n<p>AsyncSession&#xff1a;\u6bcf\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u5bf9\u5e94\u4e00\u4e2a\u4f1a\u8bdd&#xff0c;\u4f7f\u7528 enable_shared_from_this \u786e\u4fdd\u5f02\u6b65\u64cd\u4f5c\u4e2d\u5bf9\u8c61\u751f\u547d\u5468\u671f\u5b89\u5168\u3002<\/p>\n<\/li>\n<li>\n<p>doRead\/doWrite&#xff1a;\u5f02\u6b65\u8bfb\u5199\u5ba2\u6237\u7aef\u6570\u636e&#xff0c;\u89e3\u6790\u547d\u4ee4\u5e76\u5c06\u4efb\u52a1\u6dfb\u52a0\u5230\u8c03\u5ea6\u5668\u3002<\/p>\n<\/li>\n<li>\n<p>AsyncServer&#xff1a;\u7ba1\u7406 TCP \u8fde\u63a5\u7684\u63a5\u53d7&#xff0c;\u4f7f\u7528 async_accept \u5f02\u6b65\u76d1\u542c\u5ba2\u6237\u7aef\u3002<\/p>\n<\/li>\n<li>\n<p>io_context&#xff1a;\u4e8b\u4ef6\u5faa\u73af&#xff0c;\u9a71\u52a8\u6240\u6709\u5f02\u6b65\u64cd\u4f5c\u3002<\/p>\n<\/li>\n<li>\n<p>\u7ebf\u7a0b\u5b89\u5168&#xff1a;\u901a\u8fc7 shared_from_this \u548c Boost.Asio \u7684\u5355\u7ebf\u7a0b\u4e8b\u4ef6\u5faa\u73af\u907f\u514d\u7ade\u4e89\u3002<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<p>3. \u6574\u5408\u4efb\u52a1\u8c03\u5ea6\u5668\u9879\u76ee<\/p>\n<p>\u5c06 Boost.Asio \u5f02\u6b65\u7f16\u7a0b\u6574\u5408\u5230\u4efb\u52a1\u8c03\u5ea6\u5668\u9879\u76ee\u4e2d&#xff0c;\u53ef\u4ee5\u589e\u5f3a\u7f51\u7edc\u529f\u80fd\u548c\u5e76\u53d1\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u6574\u5408\u65b9\u5f0f&#xff1a;<\/p>\n<li>\n<p>\u66ff\u6362\u540c\u6b65\u7f51\u7edc\u6a21\u5757&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u7528\u4e0a\u8ff0 AsyncServer \u548c AsyncSession \u66ff\u6362\u539f NetworkServer&#xff0c;\u5b9e\u73b0\u5f02\u6b65 TCP \u901a\u4fe1\u3002<\/p>\n<\/li>\n<li>\n<p>\u5ba2\u6237\u7aef\u901a\u8fc7 TCP \u53d1\u9001\u547d\u4ee4&#xff08;\u5982 ADD_TASK id priority time&#xff09;&#xff0c;\u670d\u52a1\u5668\u89e3\u6790\u540e\u8c03\u7528 scheduler.addTask()\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u591a\u7ebf\u7a0b\u4e0e Asio \u7ed3\u5408&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u521b\u5efa\u591a\u4e2a io_context \u5b9e\u4f8b&#xff0c;\u6216\u5728\u4e00\u4e2a io_context \u4e0a\u8fd0\u884c\u591a\u4e2a\u7ebf\u7a0b&#xff1a;<\/p>\n<p>cpp<\/p>\n<\/p>\n<p>boost::asio::io_context io_context;<br \/>\nstd::vector&lt;std::thread&gt; io_threads;<br \/>\nfor (size_t i &#061; 0; i &lt; 4; &#043;&#043;i) {<br \/>\n    io_threads.emplace_back([&amp;io_context]() { io_context.run(); });<br \/>\n}\n<\/li>\n<li>\n<p>\u4f7f\u7528 boost::asio::strand \u786e\u4fdd\u56de\u8c03\u7ebf\u7a0b\u5b89\u5168&#xff1a;<\/p>\n<p>cpp<\/p>\n<\/p>\n<p>boost::asio::strand&lt;boost::asio::io_context::executor_type&gt; strand(io_context_.get_executor());<br \/>\nsocket_.async_read_some(<br \/>\n    boost::asio::buffer(buffer_),<br \/>\n    boost::asio::bind_executor(strand, [this](const boost::system::error_code&amp; ec, std::size_t bytes) {<br \/>\n        \/\/ \u56de\u8c03\u5904\u7406<br \/>\n    }));\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u547d\u4ee4\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u6dfb\u52a0 CommandParser \u7c7b&#xff0c;\u89e3\u6790\u5ba2\u6237\u7aef\u547d\u4ee4&#xff08;\u5982 JSON \u683c\u5f0f&#xff09;&#xff1a;<\/p>\n<p>cpp<\/p>\n<\/p>\n<p>class CommandParser {<br \/>\npublic:<br \/>\n    static Task parse(const std::string&amp; command) {<br \/>\n        \/\/ \u5047\u8bbe\u547d\u4ee4\u683c\u5f0f&#xff1a;ADD_TASK id priority timestamp<br \/>\n        \/\/ \u7b80\u5355\u89e3\u6790\u793a\u4f8b&#xff0c;\u5b9e\u9645\u53ef\u7528 JSON \u6216 Boost.PropertyTree<br \/>\n        std::istringstream iss(command);<br \/>\n        std::string id;<br \/>\n        int priority;<br \/>\n        iss &gt;&gt; id &gt;&gt; priority;<br \/>\n        return Task(id, priority, std::chrono::system_clock::now(), []() {<br \/>\n            std::cout &lt;&lt; &#034;Task executed\\\\n&#034;;<br \/>\n        });<br \/>\n    }<br \/>\n};\n<\/li>\n<li>\n<p>\u5728 AsyncSession::doRead \u4e2d\u8c03\u7528 CommandParser::parse\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5b9a\u65f6\u4efb\u52a1&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528 Boost.Asio \u7684 steady_timer \u5b9e\u73b0\u4efb\u52a1\u7684\u5b9a\u65f6\u6267\u884c&#xff1a;<\/p>\n<p>cpp<\/p>\n<\/p>\n<p>void scheduleTask(boost::asio::steady_timer&amp; timer, const Task&amp; task) {<br \/>\n    timer.expires_after(std::chrono::milliseconds(1000));<br \/>\n    timer.async_wait([task](const boost::system::error_code&amp; ec) {<br \/>\n        if (!ec) task.execute();<br \/>\n    });<br \/>\n}\n<\/li>\n<\/ul>\n<\/li>\n<hr \/>\n<p>4. \u5f02\u6b65\u7f16\u7a0b\u4f18\u5316\u4e0e\u6ce8\u610f\u4e8b\u9879<\/p>\n<li>\n<p>\u6027\u80fd\u4f18\u5316&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u7ebf\u7a0b\u6a21\u578b&#xff1a;\u6839\u636e\u8d1f\u8f7d\u9009\u62e9\u5355\u7ebf\u7a0b\u6216\u591a\u7ebf\u7a0b io_context\u3002\u9ad8\u5e76\u53d1\u573a\u666f\u5efa\u8bae\u591a\u7ebf\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p>\u7f13\u51b2\u533a\u7ba1\u7406&#xff1a;\u907f\u514d\u5927\u7f13\u51b2\u533a&#xff08;\u5982 std::array&lt;char, 1024&gt;&#xff09;&#xff0c;\u52a8\u6001\u5206\u914d\u6216\u4f7f\u7528 boost::asio::dynamic_buffer\u3002<\/p>\n<\/li>\n<li>\n<p>\u8fde\u63a5\u6c60&#xff1a;\u9650\u5236\u6700\u5927\u5ba2\u6237\u7aef\u8fde\u63a5\u6570&#xff0c;\u9632\u6b62\u8d44\u6e90\u8017\u5c3d\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u9519\u8bef\u5904\u7406&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u6355\u83b7 Boost.Asio \u7684 error_code&#xff08;\u5982 boost::asio::error::eof \u8868\u793a\u5ba2\u6237\u7aef\u65ad\u5f00&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528 try-catch \u6355\u83b7\u5f02\u5e38&#xff0c;\u786e\u4fdd\u670d\u52a1\u5668\u7a33\u5b9a\u6027\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7ebf\u7a0b\u5b89\u5168&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528 strand \u6216 post \u786e\u4fdd\u56de\u8c03\u987a\u5e8f\u6267\u884c&#xff0c;\u907f\u514d\u7ade\u4e89\u6761\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p>\u4efb\u52a1\u961f\u5217&#xff08;TaskQueue&#xff09;\u5df2\u4f7f\u7528 std::mutex&#xff0c;\u4e0e Asio \u5f02\u6b65\u56de\u8c03\u517c\u5bb9\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8c03\u8bd5\u5de5\u5177&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528 Wireshark \u5206\u6790 TCP \u6570\u636e\u5305\u3002<\/p>\n<\/li>\n<li>\n<p>\u6dfb\u52a0 Boost.Log \u8bb0\u5f55\u5f02\u6b65\u64cd\u4f5c\u65e5\u5fd7\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<hr \/>\n<p>5. \u6280\u672f\u6587\u6863&#xff08;\u82f1\u6587&#xff0c;\u7b80\u4f8b&#xff09;<\/p>\n<p>\u4ee5\u4e0b\u662f\u5f02\u6b65 TCP \u670d\u52a1\u5668\u7684\u90e8\u5206\u8bbe\u8ba1\u6587\u6863&#xff08;SDD&#xff09;&#xff1a;<\/p>\n<p>markdown<\/p>\n<\/p>\n<p># Task Scheduler Network Module Design Document<\/p>\n<p>## 1. Overview<br \/>\nThe network module uses Boost.Asio to provide asynchronous TCP communication for receiving task requests from clients.<\/p>\n<p>## 2. Architecture<br \/>\n&#8211; **AsyncServer**: Manages TCP connections using &#096;boost::asio::ip::tcp::acceptor&#096;.<br \/>\n&#8211; **AsyncSession**: Handles individual client sessions, performing asynchronous read\/write operations.<br \/>\n&#8211; **Integration**: Interfaces with &#096;Scheduler&#096; to add parsed tasks to the task queue.<\/p>\n<p>## 3. Key Components<br \/>\n&#8211; **io_context**: Drives asynchronous operations.<br \/>\n&#8211; **strand**: Ensures thread-safe callback execution.<br \/>\n&#8211; **async_read\/write**: Non-blocking I\/O for client communication.<\/p>\n<p>## 4. Workflow<br \/>\n1. &#096;AsyncServer&#096; listens on port 8080.<br \/>\n2. On client connection, creates &#096;AsyncSession&#096;.<br \/>\n3. &#096;AsyncSession&#096; reads commands, parses them, and adds tasks to &#096;Scheduler&#096;.<br \/>\n4. Sends response back to client asynchronously.<\/p>\n<p>## 5. Error Handling<br \/>\n&#8211; Handles &#096;boost::system::error_code&#096; for connection, read, and write failures.<br \/>\n&#8211; Ensures graceful shutdown on client disconnection.<\/p>\n<hr \/>\n<p>6. \u4e0b\u4e00\u6b65\u5efa\u8bae<\/p>\n<ul>\n<li>\n<p>\u6269\u5c55\u529f\u80fd&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u6dfb\u52a0 UDP \u652f\u6301&#xff0c;\u5904\u7406\u5e7f\u64ad\u4efb\u52a1\u8bf7\u6c42\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b9e\u73b0\u5ba2\u6237\u7aef\u8ba4\u8bc1&#xff08;\u5982\u7b80\u5355\u534f\u8bae\u5934\u6821\u9a8c&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u652f\u6301\u4efb\u52a1\u72b6\u6001\u67e5\u8be2&#xff08;\u5ba2\u6237\u7aef\u53d1\u9001 GET_STATUS id&#xff09;\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6d4b\u8bd5&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u7f16\u5199\u5ba2\u6237\u7aef\u811a\u672c&#xff08;Python \u6216 C&#043;&#043;&#xff09;\u6a21\u62df\u591a\u5ba2\u6237\u7aef\u5e76\u53d1\u8bf7\u6c42\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528 Google Test \u6d4b\u8bd5\u5f02\u6b65\u56de\u8c03\u903b\u8f91\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6027\u80fd\u5206\u6790&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528 valgrind \u68c0\u67e5\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n<\/li>\n<li>\n<p>\u6d4b\u8bd5\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b&#xff08;100&#043; \u5ba2\u6237\u7aef&#xff09;\u7684\u541e\u5410\u91cf\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6587\u6863&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u5b8c\u5584\u7528\u6237\u624b\u518c&#xff0c;\u8bf4\u660e\u5982\u4f55\u901a\u8fc7 TCP \u63d0\u4ea4\u4efb\u52a1\u3002<\/p>\n<\/li>\n<li>\n<p>\u7528 Doxygen \u751f\u6210\u4ee3\u7801\u6587\u6863\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u9700\u8981\u66f4\u8be6\u7ec6\u7684\u4ee3\u7801&#xff08;\u5982 UDP \u652f\u6301\u3001\u5b9a\u65f6\u5668\u5b9e\u73b0&#xff09;\u3001\u6027\u80fd\u4f18\u5316\u5efa\u8bae\u6216\u7279\u5b9a\u5f02\u6b65\u64cd\u4f5c\u7684\u8c03\u8bd5\u65b9\u6cd5&#xff0c;\u8bf7\u544a\u8bc9\u6211&#xff0c;\u6211\u53ef\u4ee5\u63d0\u4f9b\u8fdb\u4e00\u6b65\u6307\u5bfc&#xff01;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb943\u6b21\uff0c\u70b9\u8d5e24\u6b21\uff0c\u6536\u85cf6\u6b21\u3002\u7ed3\u5408\u4f60\u7684 C++\u3001\u591a\u7ebf\u7a0b\u548c TCP\/IP \u6280\u80fd\uff0c\u4ee5\u4e0b\u662f Boost.Asio \u5f02\u6b65\u7f16\u7a0b\u7684\u8be6\u7ec6\u8bf4\u660e\u3001\u6838\u5fc3\u6982\u5ff5\u3001\u5b9e\u73b0\u65b9\u6cd5\u4ee5\u53ca\u4e0e\u4efb\u52a1\u8c03\u5ea6\u5668\u9879\u76ee\u7684\u6574\u5408\u5efa\u8bae\uff0c\u5e2e\u52a9\u4f60\u6df1\u5165\u638c\u63e1\u5f02\u6b65\u7f16\u7a0b\u3002\u5176\u6838\u5fc3\u7279\u70b9\u662f\u9ad8\u6027\u80fd\u3001\u975e\u963b\u585e\u7684 I\/O \u64cd\u4f5c\uff0c\u9002\u5408\u9ad8\u5e76\u53d1\u573a\u666f\u3002\u7f13\u51b2\u533a\u7ba1\u7406\uff1a\u907f\u514d\u5927\u7f13\u51b2\u533a\uff08\u5982 std::array\uff09\uff0c\u52a8\u6001\u5206\u914d\u6216\u4f7f\u7528 boost::asio::dynamic_buffer\u3002\u6355\u83b7 Boost.Asio \u7684 error_code\uff08\u5982 boost::asio::error::eof \u8868\u793a\u5ba2\u6237\u7aef\u65ad\u5f00\uff09\u3002_boost.asio\u4efb\u52a1\u6c60<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,205,193,371,188,78],"topic":[],"class_list":["post-48784","post","type-post","status-publish","format-standard","hentry","category-server","tag-c","tag-tcp-ip","tag-udp","tag-371","tag-188","tag-78"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - 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