{"id":44819,"date":"2025-06-21T06:05:28","date_gmt":"2025-06-20T22:05:28","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/44819.html"},"modified":"2025-06-21T06:05:28","modified_gmt":"2025-06-20T22:05:28","slug":"c-%e6%97%a5%e5%bf%97%e7%b3%bb%e7%bb%9f%e5%ae%9e%e6%88%98%e7%ac%ac%e4%ba%94%e6%ad%a5%ef%bc%9a%e6%97%a5%e5%bf%97%e5%99%a8%e7%9a%84%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/44819.html","title":{"rendered":"C++ \u65e5\u5fd7\u7cfb\u7edf\u5b9e\u6218\u7b2c\u4e94\u6b65\uff1a\u65e5\u5fd7\u5668\u7684\u8bbe\u8ba1"},"content":{"rendered":"<p>\u5168\u662f\u901a\u4fd7\u6613\u61c2\u7684\u8bb2\u89e3&#xff0c;\u5982\u679c\u4f60\u672c\u8282\u4e4b\u524d\u7684\u77e5\u8bc6\u90fd\u638c\u63e1\u6e05\u695a&#xff0c;\u90a3\u5c31\u901f\u901f\u6765\u770b\u6211\u7684<span style=\"color:#fe2c24\">\u9879\u76ee<\/span>\u7b14\u8bb0\u5427~\u00a0\u00a0\u00a0<\/p>\n<p style=\"text-align:center\">\u672c\u6587\u9879\u76ee\u4ee3\u7801\u7f16\u5199\u6536\u5c3e&#xff01;<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250620220523-6855db2311b3d.png\" \/><\/p>\n<h3>\u65e5\u5fd7\u5668\u7c7b (Logger) \u8bbe\u8ba1&#xff08;\u5efa\u9020\u8005\u6a21\u5f0f&#xff09;<\/h3>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u65e5\u5fd7\u5668\u4e3b\u8981\u7528\u4e8e\u548c\u524d\u7aef\u4ea4\u4e92\u3002\u5f53\u6211\u4eec\u9700\u8981\u4f7f\u7528\u65e5\u5fd7\u7cfb\u7edf\u6253\u5370 log \u65f6&#xff0c;\u53ea\u9700\u521b\u5efa Logger \u5bf9\u8c61&#xff0c;\u8c03\u7528\u8be5\u5bf9\u8c61\u7684 debug\u3001info\u3001warn\u3001error\u3001fatal \u7b49\u65b9\u6cd5&#xff0c;\u5373\u53ef\u8f93\u51fa\u60f3\u6253\u5370\u7684\u65e5\u5fd7\u3002\u5b83\u652f\u6301\u89e3\u6790\u53ef\u53d8\u53c2\u6570\u5217\u8868\u548c\u8f93\u51fa\u683c\u5f0f&#xff0c;\u80fd\u505a\u5230\u50cf\u4f7f\u7528 printf \u51fd\u6570\u4e00\u6837\u6253\u5370\u65e5\u5fd7\u3002<\/p>\n<\/p>\n<p>\u5f53\u524d\u65e5\u5fd7\u7cfb\u7edf\u652f\u6301\u540c\u6b65\u65e5\u5fd7\u4e0e\u5f02\u6b65\u65e5\u5fd7\u4e24\u79cd\u6a21\u5f0f\u3002\u4e24\u79cd\u65e5\u5fd7\u5668\u7684\u5dee\u5f02\u4ec5\u5728\u4e8e\u65e5\u5fd7\u7684\u843d\u5730\u65b9\u5f0f&#xff1a;<\/p>\n<ul>\n<li>\u540c\u6b65\u65e5\u5fd7\u5668&#xff1a;\u76f4\u63a5\u8f93\u51fa\u65e5\u5fd7\u6d88\u606f\u3002<\/li>\n<li>\u5f02\u6b65\u65e5\u5fd7\u5668&#xff1a;\u5c06\u65e5\u5fd7\u6d88\u606f\u653e\u5165\u7f13\u51b2\u533a&#xff0c;\u7531\u5f02\u6b65\u7ebf\u7a0b\u8fdb\u884c\u8f93\u51fa\u3002<\/li>\n<\/ul>\n<p>\u56e0\u6b64&#xff0c;\u8bbe\u8ba1\u65e5\u5fd7\u5668\u7c7b\u65f6&#xff0c;\u5148\u8bbe\u8ba1\u4e00\u4e2a Logger \u57fa\u7c7b&#xff0c;\u5728\u6b64\u57fa\u7840\u4e0a&#xff0c;\u7ee7\u627f\u51fa SyncLogger \u540c\u6b65\u65e5\u5fd7\u5668\u548c AsyncLogger \u5f02\u6b65\u65e5\u5fd7\u5668\u3002<\/p>\n<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7531\u4e8e\u65e5\u5fd7\u5668\u6a21\u5757\u6574\u5408\u4e86\u591a\u4e2a\u6a21\u5757&#xff0c;\u521b\u5efa\u4e00\u4e2a\u65e5\u5fd7\u5668\u65f6&#xff0c;\u9700\u8981\u8bbe\u7f6e\u65e5\u5fd7\u5668\u540d\u79f0\u3001\u65e5\u5fd7\u8f93\u51fa\u7b49\u7ea7\u3001\u65e5\u5fd7\u5668\u7c7b\u578b\u3001\u65e5\u5fd7\u8f93\u51fa\u683c\u5f0f\u4ee5\u53ca\u843d\u5730\u65b9\u5411&#xff08;\u843d\u5730\u65b9\u5411\u53ef\u80fd\u6709\u591a\u4e2a&#xff09; &#xff0c;\u6574\u4e2a\u65e5\u5fd7\u5668\u7684\u521b\u5efa\u8fc7\u7a0b\u8f83\u4e3a\u590d\u6742\u3002\u4e3a\u4fdd\u6301\u826f\u597d\u7684\u4ee3\u7801\u98ce\u683c&#xff0c;\u7f16\u5199\u51fa\u4f18\u96c5\u7684\u4ee3\u7801&#xff0c;\u65e5\u5fd7\u5668\u7684\u521b\u5efa\u91c7\u7528\u5efa\u9020\u8005\u6a21\u5f0f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"807\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250620220523-6855db2382bde.png\" width=\"1353\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"157\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250620220523-6855db23e81d8.png\" width=\"669\" \/><\/p>\n<p>logger.hpp\u00a0<\/p>\n<p>#pragma once<br \/>\n\/*<br \/>\n\u65e5\u5fd7\u5668\u5b9e\u73b0<br \/>\n1.\u62bd\u8c61\u57fa\u7c7b<br \/>\n2.\u6d3e\u751f\u51fa\u65e5\u5fd7\u5668\u5177\u4f53\u5b9e\u73b0\u7c7b<br \/>\n*\/<br \/>\n#include &#034;level.hpp&#034;<br \/>\n#include &#034;format.hpp&#034;<br \/>\n#include &#034;sink.hpp&#034;<br \/>\n#include &#034;message.hpp&#034;<br \/>\n#include &#034;looper.hpp&#034;<br \/>\n#include &lt;atomic&gt;<br \/>\n#include &lt;mutex&gt;<br \/>\n#include &lt;cstdarg&gt;<\/p>\n<p>namespace mylog<br \/>\n{<br \/>\n    class Logger<br \/>\n    {<br \/>\n    public:<br \/>\n        Logger(std::string logger_name, Level limit_level, FormatBuilder::ptr format_builder, std::vector&lt;mylog::LogSink::ptr&gt; sinks) : logger_name_(logger_name),<br \/>\n                                                                                                                                        limit_level_(limit_level),<br \/>\n                                                                                                                                        sinks_(sinks.begin(), sinks.end()),<br \/>\n                                                                                                                                        format_builder_(format_builder)<br \/>\n        {<br \/>\n        }<br \/>\n        using ptr &#061; std::shared_ptr&lt;Logger&gt;;<br \/>\n        \/\/ \u5b8c\u6210\u6784\u9020\u65e5\u5fd7\u6d88\u606f\u6784\u9020\u8fc7\u7a0b\u5e76\u683c\u5f0f\u5316&#xff0c;\u7136\u540e\u8c03\u7528log\u51fd\u6570\u8f93\u51fa\u65e5\u5fd7<br \/>\n        void debug(std::string file_, size_t line_, const std::string &amp;fat, &#8230;)<br \/>\n        {<br \/>\n            \/\/ 1.\u5224\u65ad\u662f\u5426\u8fbe\u5230\u65e5\u5fd7\u7b49\u7ea7<br \/>\n            if (limit_level_ &gt; Level::Debug)<br \/>\n            {<br \/>\n                return;<br \/>\n            }<br \/>\n            \/\/ 2.\u5bf9fmt\u5b57\u7b26\u4e32\u548c\u4e0d\u5b9a\u53c2\u6570\u8fdb\u884c\u5b57\u7b26\u4e32\u7ec4\u7ec7&#xff0c;\u5f97\u5230\u6700\u7ec8\u7684\u65e5\u5fd7\u6d88\u606f<br \/>\n            va_list args;<br \/>\n            va_start(args, fat);<br \/>\n            char *res;<br \/>\n            int len &#061; vasprintf(&amp;res, fat.c_str(), args); \/\/ \u83b7\u53d6\u683c\u5f0f\u5316\u540e\u7684\u5b57\u7b26\u4e32\u5728res\u4e2d<br \/>\n            if (len &lt; 0)<br \/>\n            {<br \/>\n                return;<br \/>\n            }<br \/>\n            va_end(args);<br \/>\n            serialize(Level::Debug, file_, line_, res); \/\/ \u5e8f\u5217\u5316\u65e5\u5fd7\u6d88\u606f<br \/>\n            free(res);                                  \/\/ \u91ca\u653eres<br \/>\n        }<br \/>\n        void info(std::string file_, size_t line_, const std::string &amp;fat, &#8230;)<br \/>\n        {<br \/>\n            \/\/ 1.\u5224\u65ad\u662f\u5426\u8fbe\u5230\u65e5\u5fd7\u7b49\u7ea7<br \/>\n            if (limit_level_ &gt; Level::Info)<br \/>\n            {<br \/>\n                return;<br \/>\n            }<br \/>\n            \/\/ 2.\u5bf9fmt\u5b57\u7b26\u4e32\u548c\u4e0d\u5b9a\u53c2\u6570\u8fdb\u884c\u5b57\u7b26\u4e32\u7ec4\u7ec7&#xff0c;\u5f97\u5230\u6700\u7ec8\u7684\u65e5\u5fd7\u6d88\u606f<br \/>\n            va_list args;<br \/>\n            va_start(args, fat);<br \/>\n            char *res;<br \/>\n            int len &#061; vasprintf(&amp;res, fat.c_str(), args); \/\/ \u83b7\u53d6\u683c\u5f0f\u5316\u540e\u7684\u5b57\u7b26\u4e32\u5728res\u4e2d<br \/>\n            if (len &lt; 0)<br \/>\n            {<br \/>\n                return;<br \/>\n            }<br \/>\n            va_end(args);<br \/>\n            serialize(Level::Info, file_, line_, res); \/\/ \u5e8f\u5217\u5316\u65e5\u5fd7\u6d88\u606f<br \/>\n            free(res);                                 \/\/ \u91ca\u653eres<br \/>\n        }<br \/>\n        void warning(std::string file_, size_t line_, const std::string &amp;fat, &#8230;)<br \/>\n        {<br \/>\n            \/\/ 1.\u5224\u65ad\u662f\u5426\u8fbe\u5230\u65e5\u5fd7\u7b49\u7ea7<br \/>\n            if (limit_level_ &gt; Level::Warning)<br \/>\n            {<br \/>\n                return;<br \/>\n            }<br \/>\n            \/\/ 2.\u5bf9fmt\u5b57\u7b26\u4e32\u548c\u4e0d\u5b9a\u53c2\u6570\u8fdb\u884c\u5b57\u7b26\u4e32\u7ec4\u7ec7&#xff0c;\u5f97\u5230\u6700\u7ec8\u7684\u65e5\u5fd7\u6d88\u606f<br \/>\n            va_list args;<br \/>\n            va_start(args, fat);<br \/>\n            char *res;<br \/>\n            int len &#061; vasprintf(&amp;res, fat.c_str(), args); \/\/ \u83b7\u53d6\u683c\u5f0f\u5316\u540e\u7684\u5b57\u7b26\u4e32\u5728res\u4e2d<br \/>\n            if (len &lt; 0)<br \/>\n            {<br \/>\n                return;<br \/>\n            }<br \/>\n            va_end(args);<br \/>\n            serialize(Level::Warning, file_, line_, res); \/\/ \u5e8f\u5217\u5316\u65e5\u5fd7\u6d88\u606f<br \/>\n            free(res);                                    \/\/ \u91ca\u653eres<br \/>\n        }<br \/>\n        void error(std::string file_, size_t line_, const std::string &amp;fat, &#8230;)<br \/>\n        {<br \/>\n            \/\/ 1.\u5224\u65ad\u662f\u5426\u8fbe\u5230\u65e5\u5fd7\u7b49\u7ea7<br \/>\n            if (limit_level_ &gt; Level::Error)<br \/>\n            {<br \/>\n                return;<br \/>\n            }<br \/>\n            \/\/ 2.\u5bf9fmt\u5b57\u7b26\u4e32\u548c\u4e0d\u5b9a\u53c2\u6570\u8fdb\u884c\u5b57\u7b26\u4e32\u7ec4\u7ec7&#xff0c;\u5f97\u5230\u6700\u7ec8\u7684\u65e5\u5fd7\u6d88\u606f<br \/>\n            va_list args;<br \/>\n            va_start(args, fat);<br \/>\n            char *res;<br \/>\n            int len &#061; vasprintf(&amp;res, fat.c_str(), args); \/\/ \u83b7\u53d6\u683c\u5f0f\u5316\u540e\u7684\u5b57\u7b26\u4e32\u5728res\u4e2d<br \/>\n            if (len &lt; 0)<br \/>\n            {<br \/>\n                return;<br \/>\n            }<br \/>\n            va_end(args);<br \/>\n            serialize(Level::Error, file_, line_, res); \/\/ \u5e8f\u5217\u5316\u65e5\u5fd7\u6d88\u606f<br \/>\n            free(res);                                  \/\/ \u91ca\u653eres<br \/>\n        }<br \/>\n        void fatal(std::string file_, size_t line_, const std::string &amp;fat, &#8230;)<br \/>\n        {<br \/>\n            \/\/ 1.\u5224\u65ad\u662f\u5426\u8fbe\u5230\u65e5\u5fd7\u7b49\u7ea7<br \/>\n            if (limit_level_ &gt; Level::Fatal)<br \/>\n            {<br \/>\n                return;<br \/>\n            }<br \/>\n            \/\/ 2.\u5bf9fmt\u5b57\u7b26\u4e32\u548c\u4e0d\u5b9a\u53c2\u6570\u8fdb\u884c\u5b57\u7b26\u4e32\u7ec4\u7ec7&#xff0c;\u5f97\u5230\u6700\u7ec8\u7684\u65e5\u5fd7\u6d88\u606f<br \/>\n            va_list args;<br \/>\n            va_start(args, fat);<br \/>\n            char *res;<br \/>\n            int len &#061; vasprintf(&amp;res, fat.c_str(), args); \/\/ \u83b7\u53d6\u683c\u5f0f\u5316\u540e\u7684\u5b57\u7b26\u4e32\u5728res\u4e2d<br \/>\n            if (len &lt; 0)<br \/>\n            {<br \/>\n                return;<br \/>\n            }<br \/>\n            va_end(args);<br \/>\n            serialize(Level::Fatal, file_, line_, res); \/\/ \u5e8f\u5217\u5316\u65e5\u5fd7\u6d88\u606f<br \/>\n            free(res);                                  \/\/ \u91ca\u653eres<br \/>\n        }<\/p>\n<p>    protected:<br \/>\n        void serialize(Level level, std::string file, size_t line, const char *str) \/\/ \u5e8f\u5217\u5316\u65e5\u5fd7\u6d88\u606f<br \/>\n        {<br \/>\n            \/\/ 3.\u6784\u9020\u65e5\u5fd7\u6d88\u606f<br \/>\n            LogMessage message(level, file.c_str(), line, str, logger_name_.c_str());<br \/>\n            \/\/ 4.\u683c\u5f0f\u5316\u65e5\u5fd7\u6d88\u606f<br \/>\n            std::stringstream ss;<br \/>\n            format_builder_-&gt;format(ss, message);<br \/>\n            \/\/ 5.\u8f93\u51fa\u65e5\u5fd7\u6d88\u606f<br \/>\n            log(ss.str().c_str(), ss.str().size());<br \/>\n        }<br \/>\n        \/\/ \u62bd\u8c61\u63a5\u53e3\u5b8c\u6210\u5b9e\u9645\u7684\u843d\u5730\u8f93\u51fa\u2014\u2014\u4e0d\u540c\u65e5\u5fd7\u5668\u5b9e\u73b0\u7c7b\u5b8c\u6210\u5177\u4f53\u7684\u843d\u5730\u8f93\u51fa<br \/>\n        virtual void log(const char *msg, size_t line) &#061; 0;<\/p>\n<p>    protected:<br \/>\n        std::mutex mutex_;                       \/\/ \u65e5\u5fd7\u5668\u4e92\u65a5\u9501<br \/>\n        std::string logger_name_;                \/\/ \u65e5\u5fd7\u5668\u540d\u79f0<br \/>\n        std::atomic&lt;Level&gt; limit_level_;         \/\/ \u65e5\u5fd7\u7b49\u7ea7\u9650\u5236<br \/>\n        std::vector&lt;mylog::LogSink::ptr&gt; sinks_; \/\/ \u65e5\u5fd7\u8f93\u51fa\u5668<br \/>\n        FormatBuilder::ptr format_builder_;      \/\/ \u65e5\u5fd7\u683c\u5f0f\u6784\u9020\u5668<br \/>\n    };<\/p>\n<p>    \/\/ \u65e5\u5fd7\u5668\u5177\u4f53\u5b9e\u73b0\u7c7b\u2014\u2014\u540c\u6b65\u65e5\u5fd7\u5668<br \/>\n    class sync_logger : public Logger<br \/>\n    {<br \/>\n        \/\/ \u540c\u6b65\u65e5\u5fd7\u5668&#xff0c;\u5c06\u65e5\u5fd7\u76f4\u63a5\u901a\u8fc7\u843d\u5730\u6a21\u5757\u53e5\u67c4\u8fdb\u884c\u65e5\u5fd7\u843d\u5730<br \/>\n    public:<br \/>\n        sync_logger(std::string logger_name, Level limit_level, FormatBuilder::ptr format_builder, std::vector&lt;mylog::LogSink::ptr&gt; sinks) : Logger(logger_name, limit_level, format_builder, sinks)<br \/>\n        {<br \/>\n        }<br \/>\n        void log(const char *data, size_t len) override<br \/>\n        {<br \/>\n            \/\/ \u52a0\u9501<br \/>\n            std::unique_lock&lt;std::mutex&gt; lock(mutex_);<br \/>\n            if (sinks_.empty())<br \/>\n            {<br \/>\n                return;<br \/>\n            }<br \/>\n            for (auto &amp;sink : sinks_)<br \/>\n            {<br \/>\n                sink-&gt;log(data, len); \/\/ \u8c03\u7528sink\u7684log\u51fd\u6570\u8f93\u51fa\u65e5\u5fd7<br \/>\n            }<br \/>\n        }<br \/>\n    };<\/p>\n<p>    class Async_logger : public Logger<br \/>\n    {<br \/>\n    public:<br \/>\n        Async_logger(std::string logger_name, Level limit_level, FormatBuilder::ptr format_builder, std::vector&lt;mylog::LogSink::ptr&gt; sinks, AsyncType async_type) : Logger(logger_name, limit_level, format_builder, sinks)<br \/>\n        {<br \/>\n            looper_ &#061; std::make_shared&lt;Async_looper&gt;(std::bind(&amp;Async_logger::reallog, this, std::placeholders::_1));<br \/>\n        }<br \/>\n        void log(const char *data, size_t len) override \/\/ \u5c06\u6570\u636e\u5199\u5165\u7f13\u51b2\u533a<br \/>\n        {<br \/>\n            looper_-&gt;push(data, len);<br \/>\n        }<\/p>\n<p>        void reallog(Buffer &amp;buf)<br \/>\n        {<br \/>\n            if (sinks_.empty())<br \/>\n            {<br \/>\n                return;<br \/>\n            }<br \/>\n            for (auto &amp;sink : sinks_)<br \/>\n            {<br \/>\n                sink-&gt;log(buf.begin(), buf.readable_size()); \/\/ \u8c03\u7528sink\u7684log\u51fd\u6570\u8f93\u51fa\u65e5\u5fd7<br \/>\n            }<br \/>\n        }<\/p>\n<p>    private:<br \/>\n        Async_looper::ptr looper_;<br \/>\n    };<\/p>\n<p>    \/*\u4f7f\u7528\u5efa\u9020\u8005\u6a21\u5f0f\u6765\u5efa\u9020\u65e5\u5fd7\u5668&#xff0c;\u800c\u4e0d\u662f\u8ba9\u7528\u6237\u76f4\u63a5\u6784\u9020\u65e5\u5fd7\u5668&#xff0c;\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u7528\u6237\u6784\u9020\u9519\u8bef\u7684\u65e5\u5fd7\u5668&#xff0c;\u7b80\u5316\u7528\u6237\u7684\u4f7f\u7528\u590d\u6742\u5ea6*\/<br \/>\n    enum class LoggerType<br \/>\n    {<br \/>\n        Loggertype_Sync,  \/\/ \u540c\u6b65\u65e5\u5fd7\u5668<br \/>\n        Loggertype_Async, \/\/ \u5f02\u6b65\u65e5\u5fd7\u5668<br \/>\n    };<br \/>\n    \/\/ 1.\u62bd\u8c61\u4e00\u4e2a\u5efa\u7b51\u8005\u7c7b<br \/>\n    \/\/   1.\u8bbe\u7f6e\u65e5\u5fd7\u5668\u7c7b\u578b<br \/>\n    \/\/   2.\u5c06\u4e0d\u540c\u7c7b\u578b\u65e5\u5fd7\u5668\u7684\u521b\u5efa\u653e\u5230\u540c\u4e00\u4e2a\u65e5\u5fd7\u5668\u5efa\u9020\u8005\u4e2d\u5b8c\u6210<br \/>\n    class Logger_builder<br \/>\n    {<br \/>\n    public:<br \/>\n        Logger_builder() : type_(LoggerType::Loggertype_Sync), limit_level_(Level::Debug),<br \/>\n                           async_type_(AsyncType::ASYNC_SAFE)<br \/>\n        {<br \/>\n        }<br \/>\n        void buildLoggerType(LoggerType type)<br \/>\n        {<br \/>\n            type_ &#061; type;<br \/>\n        }<br \/>\n        void buildLoggerName(std::string logger_name)<br \/>\n        {<br \/>\n            logger_name_ &#061; logger_name;<br \/>\n        }<br \/>\n        void buildLimitLevel(Level limit_level)<br \/>\n        {<br \/>\n            limit_level_ &#061; limit_level;<br \/>\n        }<br \/>\n        void buildFormatBuilder(const std::string &amp;pattern)<br \/>\n        {<br \/>\n            format_builder_ &#061; std::make_shared&lt;FormatBuilder&gt;(pattern);<br \/>\n        }<br \/>\n        void buildAsyncType(AsyncType async_type)<br \/>\n        {<br \/>\n            async_type_ &#061; async_type;<br \/>\n        }<br \/>\n        template &lt;typename LogSinkType, typename&#8230; Args&gt;<br \/>\n        void buildSinks(Args &amp;&amp;&#8230;args)<br \/>\n        {<br \/>\n            LogSink::ptr psink &#061; std::make_shared&lt;LogSinkType&gt;(std::forward&lt;Args&gt;(args)&#8230;);<br \/>\n            sinks_.push_back(psink);<br \/>\n        }<br \/>\n        virtual Logger::ptr build() &#061; 0;<\/p>\n<p>    protected:<br \/>\n        AsyncType async_type_;<br \/>\n        LoggerType type_;<br \/>\n        std::string logger_name_;<br \/>\n        Level limit_level_;<br \/>\n        FormatBuilder::ptr format_builder_;<br \/>\n        std::vector&lt;mylog::LogSink::ptr&gt; sinks_;<br \/>\n    };<\/p>\n<p>    \/\/ 2.\u6d3e\u751f\u51fa\u5177\u4f53\u5efa\u7b51\u8005\u7c7b\u2014\u2014\u5c40\u90e8\u65e5\u5fd7\u5668\u7684\u5efa\u9020\u8005 &amp; \u5168\u5c40\u7684\u65e5\u5fd7\u5668\u5efa\u9020\u8005<br \/>\n    class Local_logger_builder : public Logger_builder<br \/>\n    {<br \/>\n    public:<br \/>\n        Logger::ptr build() override<br \/>\n        {<br \/>\n            assert(logger_name_.empty() &#061;&#061; false);<br \/>\n            if (format_builder_.get() &#061;&#061; nullptr)<br \/>\n            {<br \/>\n                format_builder_ &#061; std::make_shared&lt;FormatBuilder&gt;();<br \/>\n            }<br \/>\n            if (sinks_.empty())<br \/>\n            {<br \/>\n                sinks_.push_back(std::make_shared&lt;StdoutSink&gt;());<br \/>\n            }<br \/>\n            if (type_ &#061;&#061; LoggerType::Loggertype_Async)<br \/>\n            {<br \/>\n                return std::make_shared&lt;Async_logger&gt;(logger_name_,limit_level_, format_builder_, sinks_, async_type_);<br \/>\n            }<br \/>\n            return std::make_shared&lt;sync_logger&gt;(logger_name_, limit_level_, format_builder_, sinks_);<br \/>\n        }<br \/>\n    };<br \/>\n} <\/p>\n<hr \/>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"140\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250620220524-6855db24261b7.png\" width=\"696\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"642\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250620220524-6855db243e2e6.png\" width=\"1075\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"717\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250620220524-6855db248635c.png\" width=\"1663\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"231\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250620220525-6855db2513ba6.png\" width=\"1645\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"580\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250620220525-6855db2558155.png\" width=\"1402\" \/><span style=\"background-color:#fefcd8\">\u00a0\u53ea\u6709\u5728\u4ea4\u6362\u7684\u65f6\u5019&#xff0c;\u751f\u4ea7\u8005\u548c\u6d88\u8d39\u8005\u624d\u4f1a\u4ea7\u751f\u4e00\u6b21\u9501\u51b2\u7a81<\/span><\/p>\n<p>\u00a0<img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"813\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250620220525-6855db25a3107.png\" width=\"1525\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"414\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250620220526-6855db261485f.png\" width=\"1353\" \/><\/p>\n<p>\u00a0buffer.hpp<\/p>\n<p>#pragma once<\/p>\n<p>\/*\u5b9e\u73b0\u5f02\u6b65\u65e5\u5fd7\u7f13\u51b2\u533a*\/<br \/>\n#include &#034;util.hpp&#034;<br \/>\n#include &lt;vector&gt;<br \/>\n#include &lt;cassert&gt;<\/p>\n<p>namespace mylog<br \/>\n{<br \/>\n#define BUFFER_SIZE (1 * 1024 * 1024)<br \/>\n#define THRESHOLD_BUFFER_SIZE (8 * 1024 * 1024) \/\/ \u5185\u5b58\u9608\u503c&#xff0c;\u6ca1\u6709\u8d85\u8fc7\u9608\u503c&#xff0c;\u5185\u5b58\u7ffb\u500d\u6269\u5bb9&#xff0c;\u8fbe\u5230\u9608\u503c\u540e&#xff0c;\u5185\u5b58\u7ebf\u6027\u589e\u957f<br \/>\n#define INCREASE_BUFFER_SIZE (1 * 1024 * 1024)  \/\/ \u589e\u52a0\u7f13\u51b2\u533a\u5927\u5c0f<br \/>\n    class Buffer<br \/>\n    {<br \/>\n    private:<br \/>\n        std::vector&lt;char&gt; buffer_; \/\/ \u7f13\u51b2\u533a<br \/>\n        size_t reader_index;       \/\/ \u5f53\u524d\u53ef\u8bfb\u7684\u4f4d\u7f6e<br \/>\n        size_t writer_index;       \/\/ \u5f53\u524d\u53ef\u5199\u7684\u4f4d\u7f6e<\/p>\n<p>    private:<br \/>\n        void move_writer(size_t len) \/\/ \u79fb\u52a8\u5199\u6307\u9488<br \/>\n        {<br \/>\n            assert(len &#043; writer_index &lt;&#061; writeable_size());<br \/>\n            writer_index &#043;&#061; len;<br \/>\n        }<\/p>\n<p>        void ensure_Enough_capacity(size_t len) \/\/ \u786e\u4fdd\u7f13\u51b2\u533a\u6709\u8db3\u591f\u7684\u7a7a\u95f4\u5bb9\u7eb3len\u5b57\u8282<br \/>\n        {<br \/>\n            if (len &lt;&#061; writeable_size()) \/\/ \u5982\u679c\u5199\u5165\u6570\u636e\u8d85\u8fc7\u53ef\u5199\u7a7a\u95f4,\u4e0d\u9700\u8981\u6269\u5bb9<br \/>\n            {<br \/>\n                return;<br \/>\n            }<br \/>\n            else \/\/ \u5982\u679c\u5199\u5165\u6570\u636e\u8d85\u8fc7\u53ef\u5199\u7a7a\u95f4,\u9700\u8981\u6269\u5bb9<br \/>\n            {<br \/>\n                size_t new_size &#061; 0;<br \/>\n                while (new_size &lt; len)<br \/>\n                {<br \/>\n                    if (buffer_.size() &lt; THRESHOLD_BUFFER_SIZE)<br \/>\n                    {<br \/>\n                        new_size &#061; buffer_.size() * 2; \/\/ \u5c0f\u4e8e\u9608\u503c&#xff0c;\u7ffb\u500d\u589e\u957f<br \/>\n                    }<br \/>\n                    else<br \/>\n                    {<br \/>\n                        new_size &#061; buffer_.size() &#043; INCREASE_BUFFER_SIZE; \/\/ \u5927\u4e8e\u9608\u503c&#xff0c;\u7ebf\u6027\u589e\u957f<br \/>\n                    }<br \/>\n                    buffer_.resize(new_size); \/\/ \u6269\u5bb9<br \/>\n                }<br \/>\n            }<br \/>\n        }<\/p>\n<p>    public:<br \/>\n        Buffer() : buffer_(BUFFER_SIZE), reader_index(0), writer_index(0) {}<\/p>\n<p>        void push(const char *data, size_t len) \/\/ \u5199\u5165\u6570\u636e<br \/>\n        {<br \/>\n            \/\/ \u5f53\u524d\u53ef\u5199\u7a7a\u95f4\u4e0d\u8db3<br \/>\n            \/\/  if(len&gt;writeable_size()) \/\/\u5982\u679c\u5199\u5165\u6570\u636e\u8d85\u8fc7\u53ef\u5199\u7a7a\u95f4<br \/>\n            \/\/  {<br \/>\n            \/\/      return;\/\/1.\u76f4\u63a5\u8fd4\u56de<br \/>\n            \/\/  }<br \/>\n            \/\/ 2.\u52a8\u6001\u7a7a\u95f4&#xff0c;\u7528\u4e8e\u6781\u9650\u6027\u80fd\u6d4b\u8bd5\u2014\u2014\u6269\u5bb9<br \/>\n            ensure_Enough_capacity(len);<br \/>\n            \/\/ \u5199\u5165\u6570\u636e<br \/>\n            std::copy(data, data &#043; len, &amp;buffer_[writer_index]);<br \/>\n            \/\/ \u5c06\u5199\u5165\u4f4d\u7f6e\u540e\u79fblen\u4e2a\u5b57\u8282<br \/>\n            move_writer(len);<br \/>\n        }<\/p>\n<p>        const char *begin() \/\/ \u8fd4\u56de\u7f13\u51b2\u533a\u8d77\u59cb\u4f4d\u7f6e<br \/>\n        {<br \/>\n            return &amp;buffer_[reader_index];<br \/>\n        }<\/p>\n<p>        size_t readable_size() \/\/ \u8fd4\u56de\u53ef\u8bfb\u5b57\u8282\u6570<br \/>\n        {<br \/>\n            return writer_index &#8211; reader_index;<br \/>\n        }<\/p>\n<p>        size_t writeable_size() \/\/ \u8fd4\u56de\u53ef\u5199\u5b57\u8282\u6570<br \/>\n        {<br \/>\n            \/\/ \u5bf9\u4e8e\u6269\u5bb9\u601d\u8def\u6765\u8bf4&#xff0c;\u4e0d\u5b58\u5728\u53ef\u5199\u7a7a\u95f4\u5927\u5c0f&#xff0c;\u4e1a\u52a1\u603b\u662f\u53ef\u5199<br \/>\n            return buffer_.size() &#8211; writer_index;<br \/>\n        }<\/p>\n<p>        void move_reader(size_t len) \/\/ \u79fb\u52a8\u8bfb\u6307\u9488<br \/>\n        {<br \/>\n            assert(len &lt;&#061; readable_size());<br \/>\n            reader_index &#043;&#061; len;<br \/>\n        }<\/p>\n<p>        void reset() \/\/ \u91cd\u7f6e\u7f13\u51b2\u533a<br \/>\n        {<br \/>\n            reader_index &#061; 0;<br \/>\n            writer_index &#061; 0;<br \/>\n        }<\/p>\n<p>        void swap(Buffer &amp;other) \/\/ \u4ea4\u6362\u7f13\u51b2\u533a<br \/>\n        {<br \/>\n            buffer_.swap(other.buffer_);<br \/>\n            std::swap(reader_index, other.reader_index);<br \/>\n            std::swap(writer_index, other.writer_index);<br \/>\n        }<\/p>\n<p>        bool empty() \/\/ \u5224\u65ad\u7f13\u51b2\u533a\u662f\u5426\u4e3a\u7a7a<br \/>\n        {<br \/>\n            return reader_index &#061;&#061; writer_index;<br \/>\n        }<br \/>\n    };<br \/>\n} <\/p>\n<hr \/>\n<h3>\u53cc\u7f13\u51b2\u533a\u5f02\u6b65\u4efb\u52a1\u5904\u7406\u5668&#xff08;AsyncLooper&#xff09;\u8bbe\u8ba1<\/h3>\n<ul>\n<li>\u8bbe\u8ba1\u601d\u60f3&#xff1a;\u5f02\u6b65\u5904\u7406\u7ebf\u7a0b &#043; \u6570\u636e\u6c60\n<ul>\n<li>\u4f7f\u7528\u8005\u5c06\u9700\u8981\u5b8c\u6210\u7684\u4efb\u52a1\u6dfb\u52a0\u5230\u4efb\u52a1\u6c60\u4e2d&#xff0c;\u7531\u5f02\u6b65\u7ebf\u7a0b\u6765\u5b8c\u6210\u4efb\u52a1\u7684\u5b9e\u9645\u6267\u884c\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4efb\u52a1\u6c60\u7684\u8bbe\u8ba1\u601d\u60f3&#xff1a;\u53cc\u7f13\u51b2\u533a\u963b\u585e\u6570\u636e\u6c60<\/li>\n<li>\u4f18\u52bf&#xff1a;\n<ul>\n<li>\u907f\u514d\u4e86\u7a7a\u95f4\u7684\u9891\u7e41\u7533\u8bf7\u91ca\u653e\u3002<\/li>\n<li>\u5c3d\u53ef\u80fd\u7684\u51cf\u5c11\u4e86\u751f\u4ea7\u8005\u4e0e\u6d88\u8d39\u8005\u4e4b\u95f4\u9501\u51b2\u7a81\u7684\u6982\u7387&#xff0c;\u63d0\u9ad8\u4e86\u4efb\u52a1\u5904\u7406\u6548\u7387\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5728\u4efb\u52a1\u6c60\u7684\u8bbe\u8ba1\u4e2d&#xff0c;\u6709\u5f88\u591a\u5907\u9009\u65b9\u6848&#xff0c;\u6bd4\u5982\u5faa\u73af\u961f\u5217\u7b49\u7b49\u3002\u4f46\u662f\u4e0d\u7ba1\u662f\u54ea\u4e00\u79cd\u90fd\u4f1a\u6d89\u53ca\u5230\u9501\u51b2\u7a81\u7684\u60c5\u51b5&#xff0c;\u56e0\u4e3a\u5728\u751f\u4ea7\u8005\u4e0e\u6d88\u8d39\u8005\u6a21\u578b\u4e2d&#xff0c;\u4efb\u4f55\u4e24\u4e2a\u89d2\u8272\u4e4b\u95f4\u90fd\u5177\u6709\u4e92\u65a5\u5173\u7cfb&#xff0c;\u56e0\u6b64\u6bcf\u4e00\u6b21\u7684\u4efb\u52a1\u6dfb\u52a0\u4e0e\u53d6\u51fa\u90fd\u6709\u53ef\u80fd\u6d89\u53ca\u9501\u7684\u51b2\u7a81\u3002<\/p>\n<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u800c\u53cc\u7f13\u51b2\u533a\u4e0d\u540c&#xff0c;\u53cc\u7f13\u51b2\u533a\u662f\u5904\u7406\u5668\u5c06\u4e00\u4e2a\u7f13\u51b2\u533a\u4e2d\u7684\u4efb\u52a1\u5168\u90e8\u5904\u7406\u5b8c\u6bd5\u540e&#xff0c;\u7136\u540e\u4ea4\u6362\u4e24\u4e2a\u7f13\u51b2\u533a&#xff0c;\u91cd\u65b0\u5bf9\u65b0\u7684\u7f13\u51b2\u533a\u4e2d\u7684\u4efb\u52a1\u8fdb\u884c\u5904\u7406\u3002\u867d\u7136\u540c\u65f6\u591a\u7ebf\u7a0b\u5199\u5165\u4e5f\u4f1a\u51b2\u7a81&#xff0c;\u4f46\u662f\u51b2\u7a81\u5e76\u4e0d\u4f1a\u50cf\u6bcf\u6b21\u53ea\u5904\u7406\u4e00\u6761\u7684\u65f6\u5019\u9891\u7e41&#xff08;\u51cf\u5c11\u4e86\u751f\u4ea7\u8005\u4e0e\u6d88\u8d39\u8005\u4e4b\u95f4\u7684\u9501\u51b2\u7a81&#xff09;&#xff0c;\u4e14\u4e0d\u6d89\u53ca\u5230\u7a7a\u95f4\u7684\u9891\u7e41\u7533\u8bf7\u91ca\u653e\u6240\u5e26\u6765\u7684\u6d88\u8017\u3002<\/p>\n<p>0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"571\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250620220526-6855db26514c0.png\" width=\"1095\" \/><\/p>\n<p>\u00a0looper.hpp<\/p>\n<p>\/*\u5f02\u6b65\u5668*\/<br \/>\n#pragma once<\/p>\n<p>#include &#034;buffer.hpp&#034;<br \/>\n#include &lt;condition_variable&gt;<br \/>\n#include &lt;mutex&gt;<br \/>\n#include &lt;thread&gt;<br \/>\n#include &lt;functional&gt;<br \/>\n#include &lt;memory&gt;<br \/>\n#include &lt;atomic&gt;<\/p>\n<p>namespace mylog<br \/>\n{<br \/>\n    using Functor &#061; std::function&lt;void(Buffer &amp;)&gt;;<br \/>\n    enum class AsyncType<br \/>\n    {<br \/>\n        ASYNC_SAFE,  \/\/ \u5b89\u5168\u72b6\u6001&#xff0c;\u8868\u793a\u7f13\u51b2\u533a\u6ee1\u4e86\u5219\u963b\u585e&#xff0c;\u9632\u6b62\u5185\u5b58\u8d44\u6e90\u8017\u5c3d<br \/>\n        ASYNC_UNSAFE \/\/ \u975e\u5b89\u5168\u72b6\u6001<br \/>\n    };<br \/>\n    class Async_looper<br \/>\n    {<\/p>\n<p>    public:<br \/>\n        using ptr &#061; std::shared_ptr&lt;Async_looper&gt;;<br \/>\n        Async_looper(const Functor &amp;callback, AsyncType type &#061; AsyncType::ASYNC_SAFE) : stop_(false), thread_(std::thread(&amp;Async_looper::threadEntry, this)), callback_(callback), type_(type) {}<\/p>\n<p>        void stop()<br \/>\n        {<br \/>\n            stop_ &#061; true;<br \/>\n            con_cv_.notify_all(); \/\/ \u901a\u77e5\u6d88\u8d39\u8005\u7ebf\u7a0b\u9000\u51fa<br \/>\n            thread_.join();<br \/>\n        }<\/p>\n<p>        ~Async_looper()<br \/>\n        {<br \/>\n            stop();<br \/>\n        }<\/p>\n<p>        void push(const char *data, size_t len)<br \/>\n        {<br \/>\n            \/\/ 1.\u65e0\u7ebf\u6269\u5bb9\u2014\u2014\u975e\u5b89\u5168&#xff1b; 2.\u56fa\u5b9a\u5927\u5c0f\u2014\u2014\u751f\u4ea7\u7f13\u51b2\u533a\u6ee1\u540e&#xff0c;\u751f\u4ea7\u8005\u7ebf\u7a0b\u963b\u585e&#xff1b;<br \/>\n            std::unique_lock&lt;std::mutex&gt; lock(mutex_);<br \/>\n            \/\/ \u6761\u4ef6\u53d8\u91cf\u63a7\u5236&#xff0c;\u82e5\u7f13\u51b2\u533a\u5269\u4f59\u5927\u5c0f\u5927\u4e8e\u6570\u636e\u957f\u5ea6&#xff0c;\u53ef\u4ee5\u6dfb\u52a0\u6570\u636e&#xff0c;\u5426\u5219\u7b49\u5f85<br \/>\n            if (type_ &#061;&#061; AsyncType::ASYNC_SAFE)<br \/>\n                pro_cv_.wait(lock, [&amp;]()<br \/>\n                             { return pro_buffer_.writeable_size() &gt;&#061; len; });<br \/>\n            \/\/ \u6dfb\u52a0\u6570\u636e\u5230\u7f13\u51b2\u533a<br \/>\n            pro_buffer_.push(data, len);<br \/>\n            \/\/ \u901a\u77e5\u6d88\u8d39\u8005\u7ebf\u7a0b\u6709\u6570\u636e\u53ef\u6d88\u8d39<br \/>\n            if (type_ &#061;&#061; AsyncType::ASYNC_SAFE)<br \/>\n                con_cv_.notify_all();<br \/>\n        }<\/p>\n<p>    private:<br \/>\n        \/\/ \u7ebf\u7a0b\u5165\u53e3\u51fd\u6570\u2014\u2014\u5bf9\u6d88\u8d39\u7f13\u51b2\u533a\u7684\u6570\u636e\u8fdb\u884c\u5904\u7406&#xff0c;\u5904\u7406\u5b8c\u6bd5\u540e&#xff0c;\u521d\u59cb\u5316\u7f13\u51b2\u533a<br \/>\n        void threadEntry()<br \/>\n        {<br \/>\n            while (true)<br \/>\n            {<br \/>\n                \/\/ 1.\u5224\u65ad\u751f\u4ea7\u7f13\u51b2\u533a\u6709\u6ca1\u6709\u6570\u636e&#xff0c;\u6709\u5c31\u4ea4\u6362&#xff1b; .\u65e0\u6570\u636e&#xff0c;\u7b49\u5f85&#xff1b;<br \/>\n                {<br \/>\n                    std::unique_lock&lt;std::mutex&gt; lock(mutex_);<br \/>\n                    con_cv_.wait(lock, [&amp;]()<br \/>\n                                 { return stop_ || !pro_buffer_.empty(); });<\/p>\n<p>                    \/\/ \u5982\u679c\u505c\u6b62\u4e14\u751f\u4ea7\u8005\u7f13\u51b2\u533a\u4e3a\u7a7a\u5219\u9000\u51fa<br \/>\n                    if (stop_ &amp;&amp; pro_buffer_.empty())<br \/>\n                        break;<br \/>\n                    \/\/ 1.\u4ea4\u6362\u751f\u4ea7\u8005\u7f13\u51b2\u533a\u548c\u6d88\u8d39\u8005\u7f13\u51b2\u533a<br \/>\n                    con_buffer_.swap(pro_buffer_);<br \/>\n                    \/\/ 2.\u901a\u77e5\u751f\u4ea7\u8005\u7ebf\u7a0b\u53ef\u4ee5\u7ee7\u7eed\u6dfb\u52a0\u6570\u636e<br \/>\n                    if (type_ &#061;&#061; AsyncType::ASYNC_SAFE)<br \/>\n                        pro_cv_.notify_all();<br \/>\n                }<br \/>\n                \/\/ 3.\u88ab\u5524\u9192\u540e&#xff0c;\u5bf9\u6d88\u8d39\u7f13\u51b2\u533a\u8fdb\u884c\u6570\u636e\u5904\u7406<br \/>\n                callback_(con_buffer_);<br \/>\n                \/\/ 4.\u521d\u59cb\u5316\u6d88\u8d39\u8005\u7f13\u51b2\u533a<br \/>\n                con_buffer_.reset();<br \/>\n            }<br \/>\n        }<\/p>\n<p>    private:<br \/>\n        Functor callback_; \/\/ \u5177\u4f53\u5bf9\u7f13\u51b2\u533a\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\u7684\u56de\u8c03\u51fd\u6570<br \/>\n    private:<br \/>\n        AsyncType type_;<br \/>\n        std::atomic&lt;bool&gt; stop_;<br \/>\n        Buffer pro_buffer_;              \/\/ \u751f\u4ea7\u8005\u7f13\u51b2\u533a<br \/>\n        Buffer con_buffer_;              \/\/ \u6d88\u8d39\u8005\u7f13\u51b2\u533a<br \/>\n        std::mutex mutex_;               \/\/ \u4e92\u65a5\u9501<br \/>\n        std::condition_variable pro_cv_; \/\/ \u751f\u4ea7\u8005\u6761\u4ef6\u53d8\u91cf<br \/>\n        std::condition_variable con_cv_; \/\/ \u6d88\u8d39\u8005\u6761\u4ef6\u53d8\u91cf<br \/>\n        std::thread thread_;             \/\/ \u5f02\u6b65\u7ebf\u7a0b<br \/>\n    };<br \/>\n}<br \/>\nclass Async_logger : public Logger<br \/>\n    {<br \/>\n        public:<br \/>\n        Async_logger(std::string logger_name, Level limit_level, FormatBuilder::ptr format_builder, std::vector&lt;mylog::LogSink::ptr&gt; sinks,AsyncType async_type) : Logger(logger_name, limit_level, format_builder, sinks)<br \/>\n        {<br \/>\n            looper_ &#061; std::make_shared&lt;Async_looper&gt;(std::bind(&amp;Async_logger::reallog, this, std::placeholders::_1));<br \/>\n        }<br \/>\n        void log(const char *data, size_t len) override\/\/\u5c06\u6570\u636e\u5199\u5165\u7f13\u51b2\u533a<br \/>\n        {<br \/>\n            looper_-&gt;push(data, len);<br \/>\n        }<\/p>\n<p>        void reallog(Buffer &amp;buf)<br \/>\n        {<br \/>\n            if(sinks_.empty())<br \/>\n            {<br \/>\n                return;<br \/>\n            }<br \/>\n            for(auto &amp;sink : sinks_)<br \/>\n            {<br \/>\n                sink-&gt;log(buf.begin(), buf.writeable_size()); \/\/ \u8c03\u7528sink\u7684log\u51fd\u6570\u8f93\u51fa\u65e5\u5fd7<br \/>\n            }<br \/>\n        }<br \/>\n        private:<br \/>\n        Async_looper::ptr looper_;<br \/>\n    };<\/p>\n<hr \/>\n<h3>\u5355\u4f8b\u65e5\u5fd7\u5668\u7ba1\u7406\u7c7b\u8bbe\u8ba1&#xff08;\u5355\u4f8b\u6a21\u5f0f&#xff09;<\/h3>\n<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u65e5\u5fd7\u7684\u8f93\u51fa&#xff0c;\u6211\u4eec\u5e0c\u671b\u80fd\u591f\u5728\u4efb\u610f\u4f4d\u7f6e\u90fd\u53ef\u4ee5\u8fdb\u884c&#xff0c;\u4f46\u662f\u5f53\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u65e5\u5fd7\u5668\u4e4b\u540e&#xff0c;\u5c31\u4f1a\u53d7\u5230\u65e5\u5fd7\u5668\u6240\u5728\u4f5c\u7528\u57df\u7684\u8bbf\u95ee\u5c5e\u6027\u9650\u5236\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u56e0\u6b64&#xff0c;\u4e3a\u4e86\u7a81\u7834\u8bbf\u95ee\u533a\u57df\u7684\u9650\u5236&#xff0c;\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u65e5\u5fd7\u5668\u7ba1\u7406\u7c7b&#xff0c;\u4e14\u8fd9\u4e2a\u7c7b\u662f\u4e00\u4e2a\u5355\u4f8b\u7c7b&#xff0c;\u8fd9\u6837\u7684\u8bdd&#xff0c;\u6211\u4eec\u5c31\u53ef\u4ee5\u5728\u4efb\u610f\u4f4d\u7f6e\u6765\u901a\u8fc7\u7ba1\u7406\u5668\u5355\u4f8b\u83b7\u53d6\u5230\u6307\u5b9a\u7684\u65e5\u5fd7\u5668\u6765\u8fdb\u884c\u65e5\u5fd7\u8f93\u51fa\u4e86\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u57fa\u4e8e\u5355\u4f8b\u65e5\u5fd7\u5668\u7ba1\u7406\u5668\u7684\u8bbe\u8ba1\u601d\u60f3&#xff0c;\u6211\u4eec\u5bf9\u4e8e\u65e5\u5fd7\u5668\u5efa\u9020\u8005\u7c7b\u8fdb\u884c\u7ee7\u627f&#xff0c;\u7ee7\u627f\u51fa\u4e00\u4e2a\u5168\u5c40\u65e5\u5fd7\u5668\u5efa\u9020\u8005\u7c7b&#xff0c;\u5b9e\u73b0\u4e00\u4e2a\u65e5\u5fd7\u5668\u5728\u521b\u5efa\u5b8c\u6bd5\u540e&#xff0c;\u76f4\u63a5\u5c06\u5176\u6dfb\u52a0\u5230\u5355\u4f8b\u7684\u65e5\u5fd7\u5668\u7ba1\u7406\u5668\u4e2d&#xff0c;\u4ee5\u4fbf\u4e8e\u80fd\u591f\u5728\u4efb\u4f55\u4f4d\u7f6e\u901a\u8fc7\u65e5\u5fd7\u5668\u540d\u79f0\u80fd\u591f\u83b7\u53d6\u5230\u6307\u5b9a\u7684\u65e5\u5fd7\u5668\u8fdb\u884c\u65e5\u5fd7\u8f93\u51fa\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"612\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250620220526-6855db269cf71.png\" width=\"957\" \/><\/p>\n<p>\u00a0\u5728logger.hpp\u91cc\u9762<\/p>\n<p>class LoggerManager<br \/>\n    {<br \/>\n    private:<br \/>\n        std::mutex mutex_;<br \/>\n        Logger::ptr root_logger_;                              \/\/ \u9ed8\u8ba4\u65e5\u5fd7\u5668<br \/>\n        std::unordered_map&lt;std::string, Logger::ptr&gt; loggers_; \/\/ \u65e5\u5fd7\u5668\u540d\u79f0-\u65e5\u5fd7\u5668\u6620\u5c04\u8868<br \/>\n    private:<br \/>\n        LoggerManager()<br \/>\n        {<br \/>\n            std::unique_ptr&lt;mylog::Local_logger_builder&gt; builder(new mylog::Local_logger_builder());<br \/>\n            builder-&gt;buildLoggerName(&#034;root&#034;);<br \/>\n            root_logger_ &#061; builder-&gt;build();<br \/>\n            addLogger(root_logger_);<br \/>\n        }<\/p>\n<p>    public:<br \/>\n        static LoggerManager &amp;getInstance()<br \/>\n        {<br \/>\n            \/\/ \u5728C&#043;&#043;11\u4e4b\u540e&#xff0c;\u9488\u5bf9\u9759\u6001\u53d8\u91cf&#xff0c;\u7f16\u8bd1\u5668\u5728\u7f16\u8bd1\u7684\u5c42\u9762\u5b9e\u73b0\u4e86\u7ebf\u7a0b\u5b89\u5168<br \/>\n            \/\/ \u5f53\u9759\u6001\u5c40\u90e8\u53d8\u91cf\u5728\u6ca1\u6709\u6784\u9020\u5b8c\u6210\u4e4b\u524d&#xff0c;\u5176\u4ed6\u7ebf\u7a0b\u8fdb\u5165\u5c31\u4f1a\u963b\u585e<br \/>\n            static LoggerManager eton;<br \/>\n            return eton;<br \/>\n        }<br \/>\n        void addLogger(Logger::ptr logger)<br \/>\n        {<br \/>\n            if (hasLogger(logger-&gt;get_logger_name()))<br \/>\n                return;<br \/>\n            std::unique_lock&lt;std::mutex&gt; lock(mutex_);<br \/>\n            loggers_.insert(std::make_pair(logger-&gt;get_logger_name(), logger));<br \/>\n        }<br \/>\n        bool hasLogger(const std::string &amp;name)<br \/>\n        {<br \/>\n            std::unique_lock&lt;std::mutex&gt; lock(mutex_);<br \/>\n            auto it &#061; loggers_.find(name);<br \/>\n            if (it !&#061; loggers_.end())<br \/>\n            {<br \/>\n                return true;<br \/>\n            }<br \/>\n            return false;<br \/>\n        }<br \/>\n        Logger::ptr getLogger(const std::string &amp;name)<br \/>\n        {<br \/>\n            std::unique_lock&lt;std::mutex&gt; lock(mutex_);<br \/>\n            auto it &#061; loggers_.find(name);<br \/>\n            if (it !&#061; loggers_.end())<br \/>\n            {<br \/>\n                return it-&gt;second;<br \/>\n            }<br \/>\n            return nullptr;<br \/>\n        }<br \/>\n        Logger::ptr rootLogger()<br \/>\n        {<br \/>\n            return root_logger_;<br \/>\n        }<br \/>\n    }; <\/p>\n<hr \/>\n<h3>\u65e5\u5fd7\u5b8f &amp; 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src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250620220526-6855db26cfc60.png\" width=\"1455\" \/><\/p>\n<p>mylog.h<\/p>\n<p>#pragma once<\/p>\n<p>#include&#034;logger.hpp&#034;<\/p>\n<p>namespace mylog<br \/>\n{<br \/>\n    Logger::ptr get_logger(const std::string &amp;name)<br \/>\n    {<br \/>\n        return mylog::LoggerManager::getInstance().getLogger(name);<br \/>\n    }<br \/>\n    Logger::ptr rootLogger()<br \/>\n    {<br \/>\n        return mylog::LoggerManager::getInstance().rootLogger();<br \/>\n    }<\/p>\n<p>    #define debug(fmt, &#8230;) debug(__FILE__, __LINE__, fmt, ##__VA_ARGS__)<br \/>\n    #define info(fmt, &#8230;) info(__FILE__, __LINE__, fmt, ##__VA_ARGS__)<br \/>\n    #define warn(fmt, &#8230;) warn(__FILE__, __LINE__, fmt, ##__VA_ARGS__)<br \/>\n    #define error(fmt, &#8230;) error(__FILE__, __LINE__, fmt, ##__VA_ARGS__)<br \/>\n    #define fatal(fmt, &#8230;) fatal(__FILE__, __LINE__, fmt, ##__VA_ARGS__)<\/p>\n<p>    #define DEBUG(fmt, &#8230;) mylog::rootLogger()-&gt;debug(fmt, ##__VA_ARGS__)<br \/>\n    #define INFO(fmt, &#8230;) mylog::rootLogger()-&gt;info(fmt, ##__VA_ARGS__)<br \/>\n    #define WARN(fmt, &#8230;) mylog::rootLogger()-&gt;warn(fmt, ##__VA_ARGS__)<br \/>\n    #define ERROR(fmt, &#8230;) mylog::rootLogger()-&gt;error(fmt, ##__VA_ARGS__)<br \/>\n    #define FATAL(fmt, &#8230;) mylog::rootLogger()-&gt;fatal(fmt, ##__VA_ARGS__)<br \/>\n} <\/p>\n<hr \/>\n<p style=\"text-align:center\"><span style=\"background-color:#e7fafa\">\u540e\u7eed\u8fd8\u6709\u6d4b\u8bd5\u4ee3\u7801&#xff0c;\u671f\u5f85\u5171\u540c\u5b9e\u73b0~<\/span><\/p>\n<p style=\"text-align:center\">\u00a0\u00a0\u5982\u679c\u4f60\u5bf9\u65e5\u5fd7\u7cfb\u7edf\u611f\u5230\u5174\u8da3&#xff0c;\u6b22\u8fce\u5173\u6ce8\u6211&#x1f449;\u3010A charmer\u3011<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250620220527-6855db270d41e.png\" 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