{"id":53172,"date":"2025-08-12T04:29:27","date_gmt":"2025-08-11T20:29:27","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/53172.html"},"modified":"2025-08-12T04:29:27","modified_gmt":"2025-08-11T20:29:27","slug":"%e3%80%90%e9%a1%b9%e7%9b%ae%e3%80%91-%ef%bc%9ac-%e9%ab%98%e6%80%a7%e8%83%bd%e6%97%a5%e5%bf%97%e7%b3%bb%e7%bb%9f%e8%ae%be%e8%ae%a1%e4%b8%8e%e5%ae%9e%e7%8e%b0%ef%bc%88%e4%bb%a3%e7%a0%81%e5%ae%9e","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/53172.html","title":{"rendered":"\u3010\u9879\u76ee\u3011 \uff1aC++ \u9ad8\u6027\u80fd\u65e5\u5fd7\u7cfb\u7edf\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\uff08\u4ee3\u7801\u5b9e\u73b0\uff09"},"content":{"rendered":"<\/p>\n<h4>\u3010\u9879\u76ee\u3011 &#xff1a;C&#043;&#043; \u9ad8\u6027\u80fd\u65e5\u5fd7\u7cfb\u7edf\u8bbe\u8ba1\u4e0e\u5b9e\u73b0&#xff08;\u4ee3\u7801\u5b9e\u73b0&#xff09;<\/h4>\n<ul>\n<li>\u4e00\u3001\u65e5\u5fd7\u7cfb\u7edf\u6846\u67b6\u8bbe\u8ba1<\/li>\n<li>\n<ul>\n<li>\u6a21\u5757\u5212\u5206<\/li>\n<li>\n<ul>\n<li>1. \u65e5\u5fd7\u7b49\u7ea7\u6a21\u5757<\/li>\n<li>2. \u65e5\u5fd7\u6d88\u606f\u6a21\u5757<\/li>\n<li>3. \u65e5\u5fd7\u6d88\u606f\u683c\u5f0f\u5316\u6a21\u5757<\/li>\n<li>4. \u65e5\u5fd7\u6d88\u606f\u843d\u5730\u6a21\u5757<\/li>\n<li>5. \u65e5\u5fd7\u5668\u6a21\u5757<\/li>\n<li>6. \u65e5\u5fd7\u5668\u7ba1\u7406\u6a21\u5757<\/li>\n<li>7. \u5f02\u6b65\u7ebf\u7a0b\u6a21\u5757<\/li>\n<\/ul>\n<\/li>\n<li>\u6a21\u5757\u5173\u7cfb\u56fe<\/li>\n<\/ul>\n<\/li>\n<li>\u4e8c\u3001\u4ee3\u7801\u8bbe\u8ba1<\/li>\n<li>\n<ul>\n<li>2.1 \u5b9e\u7528\u7c7b\u8bbe\u8ba1 util.hpp<\/li>\n<li>2.2 \u65e5\u5fd7\u7b49\u7ea7\u7c7b\u8bbe\u8ba1 level.hpp<\/li>\n<li>2.3 \u65e5\u5fd7\u6d88\u606f\u7c7b\u8bbe\u8ba1 message.hpp<\/li>\n<li>2.4 \u65e5\u5fd7\u8f93\u51fa\u683c\u5f0f\u5316\u7c7b\u8bbe\u8ba1 formatter.hpp<\/li>\n<li>2.5 \u65e5\u5fd7\u843d\u5730\u7c7b\u8bbe\u8ba1&#xff08;\u7b80\u5355\u5de5\u5382\u6a21\u5f0f&#xff09;sink.hpp<\/li>\n<li>2.6 \u65e5\u5fd7\u5668\u7c7b\u8bbe\u8ba1&#xff08;\u5efa\u9020\u8005\u6a21\u5f0f&#xff09;logger.hpp<\/li>\n<li>2.7 \u53cc\u7f13\u51b2\u533a\u5f02\u6b65\u4efb\u52a1\u5904\u7406\u5668\u8bbe\u8ba1 looper.hpp<\/li>\n<li>2.8 \u5f02\u6b65\u65e5\u5fd7\u5668\u8bbe\u8ba1 logger.hpp<\/li>\n<li>2.9 \u5355\u4f8b\u65e5\u5fd7\u5668\u7ba1\u7406\u7c7b\u8bbe\u8ba1&#xff08;\u5355\u4f8b\u6a21\u5f0f&#xff09;logger.hpp<\/li>\n<li>2.10 \u65e5\u5fd7\u5b8f&amp;\u5168\u5c40\u63a5\u2f1d\u8bbe\u8ba1&#xff08;\u4ee3\u7406\u6a21\u5f0f&#xff09;log.h<\/li>\n<li>\u4f7f\u7528\u6837\u4f8b<\/li>\n<\/ul>\n<\/li>\n<li>\u4e09\u3001\u6027\u80fd\u6d4b\u8bd5\u4ee3\u7801 bench.h<\/li>\n<\/ul>\n<h2>\u4e00\u3001\u65e5\u5fd7\u7cfb\u7edf\u6846\u67b6\u8bbe\u8ba1<\/h2>\n<p>\u672c\u9879\u76ee\u5b9e\u73b0\u7684\u662f\u4e00\u4e2a \u591a\u65e5\u5fd7\u5668\u65e5\u5fd7\u7cfb\u7edf&#xff0c;\u4e3b\u8981\u529f\u80fd\u662f\u8ba9\u7a0b\u5e8f\u5458\u80fd\u591f\u8f7b\u677e\u5730\u5c06\u7a0b\u5e8f\u8fd0\u884c\u65e5\u5fd7\u4fe1\u606f\u843d\u5730\u5230\u6307\u5b9a\u4f4d\u7f6e&#xff0c;\u5e76\u652f\u6301 \u540c\u6b65 \u4e0e \u5f02\u6b65 \u4e24\u79cd\u843d\u5730\u65b9\u5f0f\u3002<\/p>\n<h3>\u6a21\u5757\u5212\u5206<\/h3>\n<h4>1. \u65e5\u5fd7\u7b49\u7ea7\u6a21\u5757<\/h4>\n<p>\u5bf9\u8f93\u51fa\u65e5\u5fd7\u7684\u7b49\u7ea7\u8fdb\u884c\u5212\u5206&#xff0c;\u4ee5\u4fbf\u4e8e\u63a7\u5236\u65e5\u5fd7\u8f93\u51fa&#xff0c;\u5e76\u63d0\u4f9b\u7b49\u7ea7\u679a\u4e3e\u8f6c\u5b57\u7b26\u4e32\u529f\u80fd\u3002<\/p>\n<ul>\n<li>OFF&#xff1a;\u5173\u95ed<\/li>\n<li>DEBUG&#xff1a;\u8c03\u8bd5&#xff0c;\u8c03\u8bd5\u65f6\u7684\u5173\u952e\u4fe1\u606f\u8f93\u51fa<\/li>\n<li>INFO&#xff1a;\u63d0\u793a&#xff0c;\u666e\u901a\u63d0\u793a\u578b\u65e5\u5fd7\u4fe1\u606f<\/li>\n<li>WARN&#xff1a;\u8b66\u544a&#xff0c;\u4e0d\u5f71\u54cd\u8fd0\u884c&#xff0c;\u4f46\u9700\u8981\u6ce8\u610f<\/li>\n<li>ERROR&#xff1a;\u9519\u8bef&#xff0c;\u7a0b\u5e8f\u8fd0\u884c\u51fa\u73b0\u9519\u8bef<\/li>\n<li>FATAL&#xff1a;\u81f4\u547d&#xff0c;\u4e00\u822c\u662f\u4ee3\u7801\u5f02\u5e38\u5bfc\u81f4\u7a0b\u5e8f\u65e0\u6cd5\u7ee7\u7eed\u8fd0\u884c<\/li>\n<\/ul>\n<hr \/>\n<h4>2. \u65e5\u5fd7\u6d88\u606f\u6a21\u5757<\/h4>\n<p>\u4e2d\u95f4\u5b58\u50a8\u65e5\u5fd7\u8f93\u51fa\u6240\u9700\u7684\u5404\u9879\u4fe1\u606f\u3002<\/p>\n<ul>\n<li>\u65f6\u95f4&#xff1a;\u65e5\u5fd7\u8f93\u51fa\u65f6\u95f4<\/li>\n<li>\u7ebf\u7a0bID&#xff1a;\u8f93\u51fa\u65e5\u5fd7\u7684\u7ebf\u7a0bID<\/li>\n<li>\u65e5\u5fd7\u7b49\u7ea7&#xff1a;\u65e5\u5fd7\u7684\u7b49\u7ea7<\/li>\n<li>\u65e5\u5fd7\u6570\u636e&#xff1a;\u65e5\u5fd7\u6709\u6548\u8f7d\u8377\u6570\u636e<\/li>\n<li>\u65e5\u5fd7\u6587\u4ef6\u540d&#xff1a;\u8f93\u51fa\u65e5\u5fd7\u7684\u6e90\u6587\u4ef6\u540d<\/li>\n<li>\u65e5\u5fd7\u884c\u53f7&#xff1a;\u8f93\u51fa\u65e5\u5fd7\u7684\u6e90\u6587\u4ef6\u884c\u53f7<\/li>\n<\/ul>\n<hr \/>\n<h4>3. \u65e5\u5fd7\u6d88\u606f\u683c\u5f0f\u5316\u6a21\u5757<\/h4>\n<p>\u8bbe\u7f6e\u65e5\u5fd7\u8f93\u51fa\u683c\u5f0f&#xff0c;\u5e76\u63d0\u4f9b\u683c\u5f0f\u5316\u529f\u80fd\u3002<\/p>\n<p>\u9ed8\u8ba4\u65e5\u5fd7\u8f93\u51fa\u683c\u5f0f&#xff1a; %d{%H:%M:%S}%T[%t]%T[%p]%T[%c]%T%f:%l%T%m%n<\/p>\n<ul>\n<li>%d{\u683c\u5f0f}&#xff1a;\u65e5\u671f\u65f6\u95f4<\/li>\n<li>%T&#xff1a;\u5236\u8868\u7b26\u7f29\u8fdb<\/li>\n<li>%t&#xff1a;\u7ebf\u7a0bID<\/li>\n<li>%p&#xff1a;\u65e5\u5fd7\u7ea7\u522b<\/li>\n<li>%c&#xff1a;\u65e5\u5fd7\u5668\u540d\u79f0&#xff08;\u4e0d\u540c\u5f00\u53d1\u7ec4\u53ef\u4f7f\u7528\u4e0d\u540c\u65e5\u5fd7\u5668&#xff0c;\u4e92\u4e0d\u5f71\u54cd&#xff09;<\/li>\n<li>%f&#xff1a;\u6e90\u6587\u4ef6\u540d<\/li>\n<li>%l&#xff1a;\u6e90\u4ee3\u7801\u884c\u53f7<\/li>\n<li>%m&#xff1a;\u65e5\u5fd7\u6709\u6548\u8f7d\u8377\u6570\u636e<\/li>\n<li>%n&#xff1a;\u6362\u884c<\/li>\n<\/ul>\n<p>\u8bbe\u8ba1\u601d\u60f3&#xff1a;\u8bbe\u8ba1\u4e0d\u540c\u7684\u5b50\u7c7b&#xff0c;\u4ece\u65e5\u5fd7\u6d88\u606f\u4e2d\u63d0\u53d6\u5e76\u5904\u7406\u4e0d\u540c\u7684\u6570\u636e\u3002<\/p>\n<hr \/>\n<h4>4. \u65e5\u5fd7\u6d88\u606f\u843d\u5730\u6a21\u5757<\/h4>\n<p>\u51b3\u5b9a\u65e5\u5fd7\u7684\u843d\u5730\u65b9\u5411\u3002<\/p>\n<ul>\n<li>\u6807\u51c6\u8f93\u51fa&#xff1a;\u65e5\u5fd7\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa<\/li>\n<li>\u65e5\u5fd7\u6587\u4ef6\u8f93\u51fa&#xff1a;\u5c06\u65e5\u5fd7\u5199\u5165\u6307\u5b9a\u6587\u4ef6\u672b\u5c3e<\/li>\n<li>\u6eda\u52a8\u6587\u4ef6\u8f93\u51fa&#xff1a;\u6309\u6587\u4ef6\u5927\u5c0f\u63a7\u5236&#xff0c;\u8fbe\u5230\u4e0a\u9650\u5207\u6362\u4e0b\u4e00\u4e2a\u6587\u4ef6<\/li>\n<li>\u6269\u5c55\u65b9\u5411&#xff1a;\u652f\u6301\u8fdc\u7a0b\u65e5\u5fd7\u8f93\u51fa&#xff0c;\u5c06\u65e5\u5fd7\u53d1\u9001\u5230\u8fdc\u7a0b\u5206\u6790\u670d\u52a1\u5668<\/li>\n<\/ul>\n<p>\u8bbe\u8ba1\u601d\u60f3&#xff1a;\u8bbe\u8ba1\u4e0d\u540c\u7684\u5b50\u7c7b\u4ee5\u63a7\u5236\u4e0d\u540c\u7684\u65e5\u5fd7\u843d\u5730\u65b9\u5411\u3002<\/p>\n<hr \/>\n<h4>5. \u65e5\u5fd7\u5668\u6a21\u5757<\/h4>\n<p>\u6574\u5408\u524d\u9762\u51e0\u4e2a\u6a21\u5757&#xff0c;\u7528\u6237\u901a\u8fc7\u65e5\u5fd7\u5668\u8fdb\u884c\u65e5\u5fd7\u8f93\u51fa&#xff0c;\u964d\u4f4e\u4f7f\u7528\u96be\u5ea6\u3002 \u5305\u542b&#xff1a;<\/p>\n<ul>\n<li>\u65e5\u5fd7\u6d88\u606f\u843d\u5730\u6a21\u5757\u5bf9\u8c61<\/li>\n<li>\u65e5\u5fd7\u6d88\u606f\u683c\u5f0f\u5316\u6a21\u5757\u5bf9\u8c61<\/li>\n<li>\u65e5\u5fd7\u8f93\u51fa\u7b49\u7ea7<\/li>\n<\/ul>\n<hr \/>\n<h4>6. \u65e5\u5fd7\u5668\u7ba1\u7406\u6a21\u5757<\/h4>\n<p>\u4e3a\u4e86\u964d\u4f4e\u9879\u76ee\u8026\u5408\u5ea6&#xff0c;\u4e0d\u540c\u9879\u76ee\u7ec4\u53ef\u62e5\u6709\u81ea\u5df1\u7684\u65e5\u5fd7\u5668&#xff0c;\u63a7\u5236\u8f93\u51fa\u683c\u5f0f\u4e0e\u843d\u5730\u65b9\u5411\u3002<\/p>\n<ul>\n<li>\u7edf\u4e00\u7ba1\u7406\u6240\u6709\u65e5\u5fd7\u5668<\/li>\n<li>\u63d0\u4f9b\u4e00\u4e2a\u9ed8\u8ba4\u65e5\u5fd7\u5668\u8fdb\u884c\u6807\u51c6\u8f93\u51fa<\/li>\n<\/ul>\n<hr \/>\n<h4>7. \u5f02\u6b65\u7ebf\u7a0b\u6a21\u5757<\/h4>\n<ul>\n<li>\u5b9e\u73b0\u5f02\u6b65\u65e5\u5fd7\u8f93\u51fa\u529f\u80fd\u3002 \u7528\u6237\u53ea\u9700\u5c06\u65e5\u5fd7\u4efb\u52a1\u653e\u5165\u4efb\u52a1\u6c60&#xff0c;\u7531\u5f02\u6b65\u7ebf\u7a0b\u8d1f\u8d23\u843d\u5730\u8f93\u51fa&#xff0c;\u5b9e\u73b0\u9ad8\u6548\u7684\u975e\u963b\u585e\u65e5\u5fd7\u8f93\u51fa\u3002<\/li>\n<\/ul>\n<h3>\u6a21\u5757\u5173\u7cfb\u56fe<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250811202924-689a52a451301.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>\u4e8c\u3001\u4ee3\u7801\u8bbe\u8ba1<\/h2>\n<h3>2.1 \u5b9e\u7528\u7c7b\u8bbe\u8ba1 util.hpp<\/h3>\n<p>\u63d0\u524d\u5b8c\u6210\u4e00\u4e9b\u96f6\u788e\u7684\u529f\u80fd\u63a5\u53e3&#xff0c;\u65b9\u4fbf\u5728\u9879\u76ee\u4e2d\u4f7f\u7528\u3002<\/p>\n<li>\u83b7\u53d6\u7cfb\u7edf\u65f6\u95f4<\/li>\n<li>\u5224\u65ad\u6587\u4ef6\u662f\u5426\u5b58\u5728<\/li>\n<li>\u83b7\u53d6\u6587\u4ef6\u7684\u6240\u5728\u76ee\u5f55\u8def\u5f84<\/li>\n<li>\u521b\u5efa\u76ee\u5f55<\/li>\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 comment\">\/*<br \/>\n \u901a\u2f64\u529f\u80fd\u7c7b&#xff0c;\u4e0e\u4e1a\u52a1\u2f46\u5173\u7684\u529f\u80fd\u5b9e\u73b0<br \/>\n 1. \u83b7\u53d6\u7cfb\u7edf\u65f6\u95f4<br \/>\n 2. \u83b7\u53d6\u2f42\u4ef6\u662f\u5426\u5b58\u5728<br \/>\n 3. \u83b7\u53d6\u2f42\u4ef6\u6240\u5728\u2f6c\u5f55<br \/>\n 4. \u521b\u5efa\u2f6c\u5f55<br \/>\n*\/<\/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\">&lt;ctime&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/stat.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token keyword\">namespace<\/span> Log<br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">namespace<\/span> util<br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">date<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n            <span class=\"token keyword\">static<\/span> size_t <span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/time_t \u662f\u4e00\u4e2a \u5e73\u53f0\u76f8\u5173\u7684\u7c7b\u578b&#xff0c;\u5728\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\/\u7f16\u8bd1\u5668\u4e0a\u53ef\u80fd\u4e0d\u540c<\/span><br \/>\n                <span class=\"token comment\">\/\/\u5f3a\u8f6c\u6210\u76ee\u7684\u662f\u4e3a\u4e86\u8ba9\u8fd4\u56de\u503c\u662f\u4e00\u4e2a \u5e73\u53f0\u7edf\u4e00\u3001\u660e\u786e\u5927\u5c0f\u3001\u65e0\u7b26\u53f7\u6574\u6570\u7c7b\u578b&#xff1a;<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span>size_t<span class=\"token punctuation\">)<\/span><span class=\"token function\">time<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">file<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n            <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">bool<\/span> <span class=\"token function\">exists<\/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>name<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ access stat \u51fd\u6570\u53ef\u4ee5\u5224\u65ad\u6587\u4ef6\u662f\u5426\u5b58\u5728<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u4f46\u662faccess\u662flinux\u4e0b\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3 \u4e0d\u5177\u5907\u53ef\u79fb\u690d\u6027<\/span><br \/>\n                <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">stat<\/span> st<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token function\">stat<\/span><span class=\"token punctuation\">(<\/span>name<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>st<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token keyword\">static<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token function\">path<\/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>name<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>name<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><br \/>\n                    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;.&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u4e3a\u4e86\u517c\u5bb9\u4e0d\u592a\u7684\u64cd\u4f5c\u7cfb\u7edf, \u6211\u4eec\u9700\u8981\u627e\u5230&#039;\/\\\\&#039;\u3002<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u4f46\u662f\\\\&#039;\u662f\u8f6c\u4e49\u5b57\u7b26&#xff0c;\u6211\u4eec\u9700\u8981\u7528\\\\\\\\\u6765\u8868\u793a<\/span><br \/>\n                size_t pos <span class=\"token operator\">&#061;<\/span> name<span class=\"token punctuation\">.<\/span><span class=\"token function\">find_last_of<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/\\\\\\\\&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>pos <span class=\"token operator\">&#061;&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token double-colon punctuation\">::<\/span>npos<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;.&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> name<span class=\"token punctuation\">.<\/span><span class=\"token function\">substr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> pos <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">create_directory<\/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>name<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>name<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><br \/>\n                    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">exists<\/span><span class=\"token punctuation\">(<\/span>name<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                size_t pos <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> idx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>idx <span class=\"token operator\">&lt;<\/span> name<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><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    pos <span class=\"token operator\">&#061;<\/span> name<span class=\"token punctuation\">.<\/span><span class=\"token function\">find_first_of<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/\\\\\\\\&#034;<\/span><span class=\"token punctuation\">,<\/span> idx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>pos <span class=\"token operator\">&#061;&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token double-colon punctuation\">::<\/span>npos<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">{<\/span><br \/>\n                        <span class=\"token comment\">\/\/ &#034;abc&#034;   <\/span><br \/>\n                        <span class=\"token comment\">\/\/mkdir \u51fd\u6570\u4e0d\u80fd\u521b\u5efa\u666e\u901a\u6587\u4ef6&#xff0c;\u5b83\u7684\u4f5c\u7528\u662f\u521b\u5efa\u76ee\u5f55&#xff08;\u6587\u4ef6\u5939&#xff09;<\/span><br \/>\n                        <span class=\"token function\">mkdir<\/span><span class=\"token punctuation\">(<\/span>name<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 number\">0755<\/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\">\/\/ &#034;\/abc\/acd\/aaa\/&#034;  \u5f53\u6ca1\u6709.\/ \u7684\u65f6\u5019<\/span><br \/>\n                    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>pos <span class=\"token operator\">&#061;&#061;<\/span> idx<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">{<\/span><br \/>\n                        idx <span class=\"token operator\">&#061;<\/span> pos <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                        <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><\/p>\n<p>                    <span class=\"token comment\">\/\/ &#034;.\/abc\/acd&#034;<\/span><br \/>\n                    std<span class=\"token double-colon punctuation\">::<\/span>string subdir <span class=\"token operator\">&#061;<\/span> name<span class=\"token punctuation\">.<\/span><span class=\"token function\">substr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> pos<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token comment\">\/\/ \u5224\u65ad\u662f\u5426\u5b58\u5728<\/span><br \/>\n                    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">exists<\/span><span class=\"token punctuation\">(<\/span>subdir<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">{<\/span><br \/>\n                        idx <span class=\"token operator\">&#061;<\/span> pos <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                        <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                    <span class=\"token function\">mkdir<\/span><span class=\"token punctuation\">(<\/span>subdir<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 number\">0755<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    idx <span class=\"token operator\">&#061;<\/span> pos <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>2.2 \u65e5\u5fd7\u7b49\u7ea7\u7c7b\u8bbe\u8ba1 level.hpp<\/h3>\n<p>\u65e5\u5fd7\u7b49\u7ea7\u5171\u5206\u4e3a7\u4e2a\u7b49\u7ea7&#xff0c;\u5177\u4f53\u542b\u4e49\u5982\u4e0b&#xff1a;<\/p>\n<table>\n<tr>\u7b49\u7ea7\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>OFF<\/td>\n<td>\u5173\u95ed\u6240\u6709\u65e5\u5fd7\u8f93\u51fa<\/td>\n<\/tr>\n<tr>\n<td>DEBUG<\/td>\n<td>\u8fdb\u884c\u8c03\u8bd5\u65f6\u6253\u5370\u65e5\u5fd7\u7684\u7b49\u7ea7<\/td>\n<\/tr>\n<tr>\n<td>INFO<\/td>\n<td>\u6253\u5370\u4e00\u4e9b\u7528\u6237\u63d0\u793a\u4fe1\u606f<\/td>\n<\/tr>\n<tr>\n<td>WARN<\/td>\n<td>\u6253\u5370\u8b66\u544a\u4fe1\u606f<\/td>\n<\/tr>\n<tr>\n<td>ERROR<\/td>\n<td>\u6253\u5370\u9519\u8bef\u4fe1\u606f<\/td>\n<\/tr>\n<tr>\n<td>FATAL<\/td>\n<td>\u6253\u5370\u81f4\u547d\u9519\u8bef\u4fe1\u606f&#xff0c;\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">namespace<\/span> Log<br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LogLevel<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">enum<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">value<\/span> <span class=\"token comment\">\/\/ c&#043;&#043;11 \u5f15\u8fdb\u7684\u66f4\u5b89\u5168\u7684\u679a\u4e3e<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            UNKNOW <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            DEBUG<span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ DRBUG \u8fdb\u2f8fdebug\u65f6\u5019\u6253\u5370\u2f47\u5fd7\u7684\u7b49\u7ea7<\/span><br \/>\n            INFO<span class=\"token punctuation\">,<\/span>      <span class=\"token comment\">\/\/ INFO \u6253\u5370\u2f00\u4e9b\u2f64\u2f3e\u63d0\u2f70\u4fe1\u606f<\/span><br \/>\n            WARN<span class=\"token punctuation\">,<\/span>      <span class=\"token comment\">\/\/ WARN \u6253\u5370\u8b66\u544a\u4fe1\u606f<\/span><br \/>\n            ERROR<span class=\"token punctuation\">,<\/span>     <span class=\"token comment\">\/\/ ERROR \u6253\u5370\u9519\u8bef\u4fe1\u606f<\/span><br \/>\n            FATAL<span class=\"token punctuation\">,<\/span>     <span class=\"token comment\">\/\/ FATAL \u6253\u5370\u81f4\u547d\u4fe1\u606f- \u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u7684\u4fe1\u606f<\/span><br \/>\n            OFF        <span class=\"token comment\">\/\/ OFF \u5173\u95ed\u6240\u6709\u2f47\u5fd7\u8f93\u51fa<\/span><\/p>\n<p>        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span><span class=\"token function\">tostring<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>value level<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">switch<\/span> <span class=\"token punctuation\">(<\/span>level<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token double-colon punctuation\">::<\/span>DEBUG<span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;DEBUG&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token double-colon punctuation\">::<\/span>INFO<span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;INFO&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token double-colon punctuation\">::<\/span>WARN<span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;WARN&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token double-colon punctuation\">::<\/span>ERROR<span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;ERROR&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token double-colon punctuation\">::<\/span>FATAL<span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;FATAL&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token double-colon punctuation\">::<\/span>OFF<span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;OFF&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">default<\/span><span class=\"token operator\">:<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;UNKNOW&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;UNKNOW&#034;<\/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><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>2.3 \u65e5\u5fd7\u6d88\u606f\u7c7b\u8bbe\u8ba1 message.hpp<\/h3>\n<p>\u65e5\u5fd7\u6d88\u606f\u7c7b\u4e3b\u8981\u5c01\u88c5\u4e00\u6761\u5b8c\u6574\u65e5\u5fd7\u6d88\u606f\u6240\u9700\u7684\u5185\u5bb9&#xff0c;\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u65e5\u5fd7\u7b49\u7ea7&#xff08;LogLevel&#xff09;<\/li>\n<li>\u5bf9\u5e94\u7684 Logger \u540d\u79f0&#xff08;logger name&#xff09;<\/li>\n<li>\u6253\u5370\u65e5\u5fd7\u7684\u6e90\u6587\u4ef6\u540d\u548c\u884c\u53f7<\/li>\n<li>\u7ebf\u7a0b ID<\/li>\n<li>\u65f6\u95f4\u6233\u4fe1\u606f<\/li>\n<li>\u5177\u4f53\u7684\u65e5\u5fd7\u5185\u5bb9&#xff08;\u6587\u672c&#xff09;<\/li>\n<\/ul>\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\">&#034;util.hpp&#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;level.hpp&#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;thread&gt;<\/span><\/span><br \/>\n<span class=\"token keyword\">namespace<\/span> Log<br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LogMsg<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        size_t _ctime<span class=\"token punctuation\">;<\/span>          <span class=\"token comment\">\/\/ \u65f6\u95f4<\/span><br \/>\n        size_t _line<span class=\"token punctuation\">;<\/span>           <span class=\"token comment\">\/\/ \u884c\u53f7<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>thread<span class=\"token double-colon punctuation\">::<\/span>id _tid<span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u7ebf\u7a0bID<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string _file<span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u6587\u4ef6\u540d<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string _name<span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u65e5\u5fd7\u5668\u540d\u79f0<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string _payload<span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u65e5\u5fd7\u6d88\u606f<\/span><br \/>\n        LogLevel<span class=\"token double-colon punctuation\">::<\/span>value _level<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u65e5\u5fd7\u7b49\u7ea7<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">LogMsg<\/span><span class=\"token punctuation\">(<\/span>size_t line<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string file<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string name<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string payload<span class=\"token punctuation\">,<\/span> LogLevel<span class=\"token double-colon punctuation\">::<\/span>value level<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token operator\">:<\/span> <span class=\"token function\">_ctime<\/span><span class=\"token punctuation\">(<\/span>util<span class=\"token double-colon punctuation\">::<\/span>date<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">now<\/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 function\">_line<\/span><span class=\"token punctuation\">(<\/span>line<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token function\">_tid<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>this_thread<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">get_id<\/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 function\">_file<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token function\">_name<\/span><span class=\"token punctuation\">(<\/span>name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token function\">_payload<\/span><span class=\"token punctuation\">(<\/span>payload<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token function\">_level<\/span><span class=\"token punctuation\">(<\/span>level<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 punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>2.4 \u65e5\u5fd7\u8f93\u51fa\u683c\u5f0f\u5316\u7c7b\u8bbe\u8ba1 formatter.hpp<\/h3>\n<p>\u65e5\u5fd7\u683c\u5f0f\u5316&#xff08;Formatter&#xff09;\u7c7b\u4e3b\u8981\u8d1f\u8d23\u683c\u5f0f\u5316\u65e5\u5fd7\u6d88\u606f\u3002\u5176\u4e3b\u8981\u5305\u542b\u4ee5\u4e0b\u5185\u5bb9&#xff1a;<\/p>\n<ul>\n<li>\n<p>pattern \u6210\u5458&#xff1a;\u4fdd\u5b58\u65e5\u5fd7\u8f93\u51fa\u7684\u683c\u5f0f\u5b57\u7b26\u4e32\u3002\u652f\u6301\u7684\u683c\u5f0f\u5316\u6807\u8bb0\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>%d&#xff1a;\u65e5\u671f<\/li>\n<li>%T&#xff1a;\u7f29\u8fdb&#xff08;\u5236\u8868\u7b26&#xff09;<\/li>\n<li>%t&#xff1a;\u7ebf\u7a0bID<\/li>\n<li>%p&#xff1a;\u65e5\u5fd7\u7ea7\u522b<\/li>\n<li>%c&#xff1a;\u65e5\u5fd7\u5668\u540d\u79f0<\/li>\n<li>%f&#xff1a;\u6587\u4ef6\u540d<\/li>\n<li>%l&#xff1a;\u884c\u53f7<\/li>\n<li>%m&#xff1a;\u65e5\u5fd7\u6d88\u606f<\/li>\n<li>%n&#xff1a;\u6362\u884c<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>items \u6210\u5458&#xff1a;std::vector&lt;FormatItem::ptr&gt;&#xff0c;\u7528\u4e8e\u6309\u5e8f\u4fdd\u5b58\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u5bf9\u5e94\u7684\u5b50\u683c\u5f0f\u5316\u5bf9\u8c61\u3002<\/p>\n<\/li>\n<\/ul>\n<p>FormatItem \u7c7b\u4e3b\u8981\u8d1f\u8d23\u65e5\u5fd7\u6d88\u606f\u5b50\u9879\u7684\u83b7\u53d6\u53ca\u683c\u5f0f\u5316\u3002\u5305\u542b\u4ee5\u4e0b\u5b50\u7c7b&#xff1a;<\/p>\n<ul>\n<li>\n<p>MsgFormatItem \u8868\u793a\u8981\u4ece LogMessage \u4e2d\u53d6\u51fa\u6709\u6548\u65e5\u5fd7\u6570\u636e&#xff08;\u65e5\u5fd7\u6d88\u606f\u5185\u5bb9&#xff09;<\/p>\n<\/li>\n<li>\n<p>LevelFormatItem \u8868\u793a\u8981\u4ece LogMessage \u4e2d\u53d6\u51fa\u65e5\u5fd7\u7b49\u7ea7<\/p>\n<\/li>\n<li>\n<p>NameFormatItem \u8868\u793a\u8981\u4ece LogMessage \u4e2d\u53d6\u51fa\u65e5\u5fd7\u5668\u540d\u79f0<\/p>\n<\/li>\n<li>\n<p>ThreadFormatItem \u8868\u793a\u8981\u4ece LogMessage \u4e2d\u53d6\u51fa\u7ebf\u7a0bID<\/p>\n<\/li>\n<li>\n<p>TimeFormatItem \u8868\u793a\u8981\u4ece LogMessage \u4e2d\u53d6\u51fa\u65f6\u95f4\u6233&#xff0c;\u5e76\u6309\u7167\u6307\u5b9a\u683c\u5f0f\u8fdb\u884c\u683c\u5f0f\u5316<\/p>\n<\/li>\n<li>\n<p>CFileFormatItem \u8868\u793a\u8981\u4ece LogMessage \u4e2d\u53d6\u51fa\u6e90\u7801\u6240\u5728\u6587\u4ef6\u540d<\/p>\n<\/li>\n<li>\n<p>CLineFormatItem \u8868\u793a\u8981\u4ece LogMessage \u4e2d\u53d6\u51fa\u6e90\u7801\u6240\u5728\u884c\u53f7<\/p>\n<\/li>\n<li>\n<p>TabFormatItem \u8868\u793a\u4e00\u4e2a\u5236\u8868\u7b26\u7f29\u8fdb<\/p>\n<\/li>\n<li>\n<p>NLineFormatItem \u8868\u793a\u4e00\u4e2a\u6362\u884c\u7b26<\/p>\n<\/li>\n<li>\n<p>OtherFormatItem \u8868\u793a\u975e\u683c\u5f0f\u5316\u7684\u539f\u59cb\u5b57\u7b26\u4e32<\/p>\n<\/li>\n<\/ul>\n<p>\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;message.hpp&#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;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;assert.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;memory&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sstream&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;utility&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;cstdlib&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">namespace<\/span> Log<br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">FormatItem<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">using<\/span> ptr <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>FormatItem<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/virtual ~FormatItem() {}<\/span><br \/>\n        <span class=\"token keyword\">virtual<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>ostream <span class=\"token operator\">&amp;<\/span>out<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> LogMsg <span class=\"token operator\">&amp;<\/span>msg<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TimeFormatItem<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FormatItem<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string _format<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5c06\u65f6\u95f4\u6233\u8f6c\u5316\u6210\u67d0\u79cd\u683c\u5f0f<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">TimeFormatItem<\/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>format <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;%H:%M:%S&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">_format<\/span><span class=\"token punctuation\">(<\/span>format<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>format<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><br \/>\n                _format <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;%H:%M:%S&#034;<\/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\">format<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>ostream <span class=\"token operator\">&amp;<\/span>out<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> LogMsg <span class=\"token operator\">&amp;<\/span>msg<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            time_t t <span class=\"token operator\">&#061;<\/span> msg<span class=\"token punctuation\">.<\/span>_ctime<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">tm<\/span> lt<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">localtime_r<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>t<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>lt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">char<\/span> tmp<span class=\"token punctuation\">[<\/span><span class=\"token number\">128<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">strftime<\/span><span class=\"token punctuation\">(<\/span>tmp<span class=\"token punctuation\">,<\/span> <span class=\"token number\">127<\/span><span class=\"token punctuation\">,<\/span> _format<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>lt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            out <span class=\"token operator\">&lt;&lt;<\/span> tmp<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">CFileFormatItem<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FormatItem<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>ostream <span class=\"token operator\">&amp;<\/span>out<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> LogMsg <span class=\"token operator\">&amp;<\/span>msg<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            out <span class=\"token operator\">&lt;&lt;<\/span> msg<span class=\"token punctuation\">.<\/span>_file<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LevelFormatItem<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FormatItem<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>ostream <span class=\"token operator\">&amp;<\/span>out<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> LogMsg <span class=\"token operator\">&amp;<\/span>msg<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ level\u662f\u81ea\u5b9a\u4e49\u7c7b\u578b&#xff0c;\u8fd9\u91cc\u6211\u4eec\u8981\u81ea\u5df1\u5b9e\u73b0\u4e00\u4e2atostring<\/span><br \/>\n            out <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token class-name\">LogLevel<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">tostring<\/span><span class=\"token punctuation\">(<\/span>msg<span class=\"token punctuation\">.<\/span>_level<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><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">CLineFormatItem<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FormatItem<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>ostream <span class=\"token operator\">&amp;<\/span>out<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> LogMsg <span class=\"token operator\">&amp;<\/span>msg<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            out <span class=\"token operator\">&lt;&lt;<\/span> msg<span class=\"token punctuation\">.<\/span>_line<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">NameFormatItem<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FormatItem<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>ostream <span class=\"token operator\">&amp;<\/span>out<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> LogMsg <span class=\"token operator\">&amp;<\/span>msg<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            out <span class=\"token operator\">&lt;&lt;<\/span> msg<span class=\"token punctuation\">.<\/span>_name<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MsgFormatItem<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FormatItem<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>ostream <span class=\"token operator\">&amp;<\/span>out<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> LogMsg <span class=\"token operator\">&amp;<\/span>msg<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            out <span class=\"token operator\">&lt;&lt;<\/span> msg<span class=\"token punctuation\">.<\/span>_payload<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ThreadFormatItem<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FormatItem<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>ostream <span class=\"token operator\">&amp;<\/span>out<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> LogMsg <span class=\"token operator\">&amp;<\/span>msg<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            out <span class=\"token operator\">&lt;&lt;<\/span> msg<span class=\"token punctuation\">.<\/span>_tid<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">NlineFormatItem<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FormatItem<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>ostream <span class=\"token operator\">&amp;<\/span>out<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> LogMsg <span class=\"token operator\">&amp;<\/span>msg<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            out <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\\\\n&#034;<\/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><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TabFormatItem<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FormatItem<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>ostream <span class=\"token operator\">&amp;<\/span>out<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> LogMsg <span class=\"token operator\">&amp;<\/span>msg<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            out <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\\\\t&#034;<\/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><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">OtherFormatItem<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FormatItem<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa\u4efb\u610f\u7528\u6237\u5b9a\u4e49\u7684\u5b57\u7b26\u4e32&#xff08;\u53ef\u80fd\u662f\u7a7a\u683c\u3001\u7b26\u53f7\u3001\u56fa\u5b9a\u6587\u672c\u7b49&#xff09;\u3002<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string _str<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">OtherFormatItem<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string str <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">_str<\/span><span class=\"token punctuation\">(<\/span>str<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\">format<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>ostream <span class=\"token operator\">&amp;<\/span>out<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> LogMsg <span class=\"token operator\">&amp;<\/span>msg<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            out <span class=\"token operator\">&lt;&lt;<\/span> _str<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Formatter<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/  %d \u2f47\u671f<\/span><br \/>\n        <span class=\"token comment\">\/\/  %T \u7f29\u8fdb<\/span><br \/>\n        <span class=\"token comment\">\/\/  %t \u7ebf\u7a0bid<\/span><br \/>\n        <span class=\"token comment\">\/\/  %p \u2f47\u5fd7\u7ea7\u522b<\/span><br \/>\n        <span class=\"token comment\">\/\/  %c \u2f47\u5fd7\u5668\u540d\u79f0<\/span><br \/>\n        <span class=\"token comment\">\/\/  %f \u2f42\u4ef6\u540d<\/span><br \/>\n        <span class=\"token comment\">\/\/  %l \u2f8f\u53f7<\/span><br \/>\n        <span class=\"token comment\">\/\/  %m \u2f47\u5fd7\u6d88\u606f<\/span><br \/>\n        <span class=\"token comment\">\/\/  %n \u6362<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string _pattern<span class=\"token punctuation\">;<\/span>                <span class=\"token comment\">\/\/ \u81ea\u5b9a\u4e49\u7684\u683c\u5f0f\u5316\u6837\u5f0f<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>FormatItem<span class=\"token double-colon punctuation\">::<\/span>ptr<span class=\"token operator\">&gt;<\/span> _items<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5b58\u50a8 \u5b9e\u4f8b\u5316Item \u7684\u6570\u7ec4<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">using<\/span> ptr <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Formatter<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">Formatter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string pattern <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;[%d{%H:%M:%S}][%t][%p][%c][%f:%l] %m%n&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token operator\">:<\/span> <span class=\"token function\">_pattern<\/span><span class=\"token punctuation\">(<\/span>pattern<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">parsePattern<\/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>        <span class=\"token keyword\">void<\/span> <span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>ostream <span class=\"token operator\">&amp;<\/span>out<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> LogMsg <span class=\"token operator\">&amp;<\/span>msg<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>it <span class=\"token operator\">:<\/span> _items<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                it<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span>out<span class=\"token punctuation\">,<\/span> msg<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>        std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> LogMsg <span class=\"token operator\">&amp;<\/span>msg<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>stringstream ss<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span>ss<span class=\"token punctuation\">,<\/span>msg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> ss<span class=\"token punctuation\">.<\/span><span class=\"token function\">str<\/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\">\/\/  %d \u2f47\u671f<\/span><br \/>\n        <span class=\"token comment\">\/\/  %T \u7f29\u8fdb<\/span><br \/>\n        <span class=\"token comment\">\/\/  %t \u7ebf\u7a0bid<\/span><br \/>\n        <span class=\"token comment\">\/\/  %p \u2f47\u5fd7\u7ea7\u522b<\/span><br \/>\n        <span class=\"token comment\">\/\/  %c \u2f47\u5fd7\u5668\u540d\u79f0<\/span><br \/>\n        <span class=\"token comment\">\/\/  %f \u2f42\u4ef6\u540d<\/span><br \/>\n        <span class=\"token comment\">\/\/  %l \u2f8f\u53f7<\/span><br \/>\n        <span class=\"token comment\">\/\/  %m \u2f47\u5fd7\u6d88\u606f<\/span><br \/>\n        <span class=\"token comment\">\/\/  %n \u6362<\/span><br \/>\n        <span class=\"token comment\">\/\/&#034;[%d{%H:%M:%S}][%t][%p][%c][%f:%l] %m%n&#034;<\/span><br \/>\n        FormatItem<span class=\"token double-colon punctuation\">::<\/span>ptr <span class=\"token function\">CreateItem<\/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>key<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>val<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>key <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;d&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/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>TimeFormatItem<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>key <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;T&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/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>TabFormatItem<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            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>key <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;t&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/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>ThreadFormatItem<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            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>key <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;p&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/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>LevelFormatItem<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            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>key <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;c&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/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>NameFormatItem<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            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>key <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;f&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/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>CFileFormatItem<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            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>key <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;l&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/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>CLineFormatItem<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            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>key <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;m&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/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>MsgFormatItem<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            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>key <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;n&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/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>NlineFormatItem<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            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>key <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/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>OtherFormatItem<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>val<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;\u672a\u77e5\u7684\u683c\u5f0f\u5316\u5b57\u7b26%&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> key <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;!!!&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">abort<\/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 comment\">\/\/ \u89e3\u6790pattern \u662f\u5426\u5408\u6cd5\u6027<\/span><br \/>\n        <span class=\"token keyword\">bool<\/span> <span class=\"token function\">parsePattern<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>pair<span class=\"token operator\">&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&gt;&gt;<\/span> arry<span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>string key<span class=\"token punctuation\">,<\/span> val<span class=\"token punctuation\">;<\/span><br \/>\n            size_t pos <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>pos <span class=\"token operator\">&lt;<\/span> _pattern<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 comment\">\/\/ abcsd%%asd[%d{%H:%M:%S}][%t][%p][%c][%f:%l]<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u5982\u679c_pattern[pos] \u4e0d\u662f\u2018%\u2019 \u5219\u8fd9\u4e9b\u5b57\u7b26\u90fd\u4e0d\u662f\u683c\u5f0f\u5316\u5b57\u7b26<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_pattern<span class=\"token punctuation\">[<\/span>pos<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">!&#061;<\/span> <span class=\"token char\">&#039;%&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    val<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>_pattern<span class=\"token punctuation\">[<\/span>pos<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    pos<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/ \u5982\u679c _pattern[pos] &#061;&#061; &#039;%&#039; \u6211\u4eec\u9700\u8981\u5224\u65ad \u662f\u5426\u662f &#039;%%&#039;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>pos <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">&lt;<\/span> _pattern<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> _pattern<span class=\"token punctuation\">[<\/span>pos <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token char\">&#039;%&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    val<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token char\">&#039;%&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    pos <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/ \u5c06\u7528\u6237\u81ea\u5b9a\u7684\u975e\u683c\u5f0f\u5316\u5b57\u7b26\u63d2\u5165\u5230arry\u4e2d<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>val<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><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    arry<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">,<\/span> val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    val<span class=\"token punctuation\">.<\/span><span class=\"token function\">clear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6e05\u7a7aval<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/ \u5982\u679c\u662f\u6b63\u5e38\u7684\u683c\u5f0f\u5316\u5b57\u7b26 \u6211\u4eec\u9700\u8981\u5224\u65ad\u662f\u5426\u5b58\u5728\u5b50\u89c4\u5219,%d{%H:%M:%S}<\/span><br \/>\n                pos<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8fd9\u91cc\u6307\u7684\u662f % \u4e4b\u540e\u7684\u683c\u5f0f\u5316\u5b57\u7b26<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>pos <span class=\"token operator\">&#061;&#061;<\/span> _pattern<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><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;%\u4e4b\u540e\u7f3a\u5c11\u683c\u5f0f\u5316\u5b57\u7b26&#xff01;&#xff01;&#xff01;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                key<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>_pattern<span class=\"token punctuation\">[<\/span>pos<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                pos<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>pos <span class=\"token operator\">&lt;<\/span> _pattern<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> _pattern<span class=\"token punctuation\">[<\/span>pos<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token char\">&#039;{&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    pos<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>pos <span class=\"token operator\">&lt;<\/span> _pattern<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> _pattern<span class=\"token punctuation\">[<\/span>pos<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">!&#061;<\/span> <span class=\"token char\">&#039;}&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">{<\/span><br \/>\n                        val<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>_pattern<span class=\"token punctuation\">[<\/span>pos<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                        pos<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                    <span class=\"token comment\">\/\/ while\u5faa\u73af \u53ef\u80fd\u56e0\u4e3a pos \u8d8a\u754c\u800c\u9000\u51fa&#xff0c;\u6240\u4ee5\u6211\u4eec\u9700\u8981\u5224\u65ad<\/span><br \/>\n                    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>pos <span class=\"token operator\">&#061;&#061;<\/span> _pattern<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><br \/>\n                    <span class=\"token punctuation\">{<\/span><br \/>\n                        std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u5b50\u89c4\u5219&#039;{}&#039;\u5339\u914d\u5931\u8d25&#xff01;&#xff01;&#xff01;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n                        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><\/p>\n<p>                    pos<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><\/p>\n<p>                arry<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">,<\/span> val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                key<span class=\"token punctuation\">.<\/span><span class=\"token function\">clear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                val<span class=\"token punctuation\">.<\/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 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>it <span class=\"token operator\">:<\/span> arry<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                _items<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">CreateItem<\/span><span class=\"token punctuation\">(<\/span>it<span class=\"token punctuation\">.<\/span>first<span class=\"token punctuation\">,<\/span> it<span class=\"token punctuation\">.<\/span>second<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\">return<\/span> <span class=\"token boolean\">true<\/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><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<h3>2.5 \u65e5\u5fd7\u843d\u5730\u7c7b\u8bbe\u8ba1&#xff08;\u7b80\u5355\u5de5\u5382\u6a21\u5f0f&#xff09;sink.hpp<\/h3>\n<p>\u65e5\u5fd7\u843d\u5730\u7c7b\u4e3b\u8981\u8d1f\u8d23\u5c06\u65e5\u5fd7\u6d88\u606f\u843d\u5730\u5230\u6307\u5b9a\u76ee\u6807\u3002<\/p>\n<p>\u4e3b\u8981\u5185\u5bb9&#xff1a;<\/p>\n<ul>\n<li>\n<p>Formatter \u65e5\u5fd7\u683c\u5f0f\u5316\u5668 \u8d1f\u8d23\u683c\u5f0f\u5316\u65e5\u5fd7\u6d88\u606f\u3002<\/p>\n<\/li>\n<li>\n<p>mutex \u4e92\u65a5\u9501 \u4fdd\u8bc1\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\u65e5\u5fd7\u843d\u5730\u8fc7\u7a0b\u7684\u7ebf\u7a0b\u5b89\u5168&#xff0c;\u907f\u514d\u65e5\u5fd7\u8f93\u51fa\u4ea4\u53c9\u6df7\u4e71\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u7c7b\u6210\u5458\u51fd\u6570 log \u8bbe\u7f6e\u4e3a\u7eaf\u865a\u51fd\u6570&#xff08;\u63a5\u53e3&#xff09;&#xff0c;\u65b9\u4fbf\u65b0\u589e\u65e5\u5fd7\u8f93\u51fa\u76ee\u6807\u65f6\u7ee7\u627f\u8be5\u7c7b\u5e76\u91cd\u5199 log \u65b9\u6cd5&#xff0c;\u5b9e\u73b0\u5177\u4f53\u7684\u65e5\u5fd7\u843d\u5730\u903b\u8f91\u3002<\/p>\n<p>\u5df2\u5b9e\u73b0\u7684\u65e5\u5fd7\u843d\u5730\u65b9\u5f0f&#xff1a;<\/p>\n<table>\n<tr>\u7c7b\u540d\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>StdoutSink<\/td>\n<td>\u6807\u51c6\u8f93\u51fa<\/td>\n<\/tr>\n<tr>\n<td>FileSink<\/td>\n<td>\u56fa\u5b9a\u6587\u4ef6\u8f93\u51fa<\/td>\n<\/tr>\n<tr>\n<td>RollSink<\/td>\n<td>\u6eda\u52a8\u6587\u4ef6\u8f93\u51fa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6eda\u52a8\u65e5\u5fd7\u6587\u4ef6\u8f93\u51fa\u7684\u5fc5\u8981\u6027&#xff1a;<\/p>\n<ul>\n<li>\u673a\u5668\u78c1\u76d8\u7a7a\u95f4\u6709\u9650&#xff0c;\u4e0d\u80fd\u65e0\u9650\u5411\u5355\u4e2a\u6587\u4ef6\u8ffd\u52a0\u6570\u636e\u3002<\/li>\n<li>\u8d85\u5927\u65e5\u5fd7\u6587\u4ef6\u96be\u4ee5\u6253\u5f00\u548c\u67e5\u627e\u4fe1\u606f\u3002<\/li>\n<li>\u5b9e\u9645\u5f00\u53d1\u4e2d\u4f1a\u63a7\u5236\u5355\u4e2a\u65e5\u5fd7\u6587\u4ef6\u5927\u5c0f&#xff0c;\u4f8b\u5982\u5f53\u8d85\u8fc7 1GB \u65f6&#xff0c;\u91cd\u65b0\u521b\u5efa\u65b0\u7684\u65e5\u5fd7\u6587\u4ef6\u5199\u5165\u3002<\/li>\n<li>\u8fc7\u671f\u65e5\u5fd7\u901a\u5e38\u7531\u8fd0\u7ef4\u4eba\u5458\u5b9a\u65f6\u6e05\u7406&#xff0c;\u6216\u901a\u8fc7\u7cfb\u7edf\u5b9a\u65f6\u4efb\u52a1\u81ea\u52a8\u6e05\u7406\u3002<\/li>\n<\/ul>\n<hr \/>\n<p>\u65e5\u5fd7\u6587\u4ef6\u6eda\u52a8\u7b56\u7565&#xff1a; \u65e5\u5fd7\u6587\u4ef6\u6eda\u52a8\u6761\u4ef6\u4e3b\u8981\u6709\u4e24\u4e2a<\/p>\n<li>\n<p>\u6587\u4ef6\u5927\u5c0f \u5f53\u65e5\u5fd7\u6587\u4ef6\u5927\u4e8e\u6307\u5b9a\u5927\u5c0f&#xff08;\u5982 1GB&#xff09;\u65f6&#xff0c;\u5207\u6362\u5230\u65b0\u7684\u65e5\u5fd7\u6587\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p>\u65f6\u95f4 \u6309\u5929\u7b49\u5468\u671f\u5b9a\u70b9\u6eda\u52a8\u65e5\u5fd7\u6587\u4ef6\u3002<\/p>\n<\/li>\n<p>\u672c\u9879\u76ee\u57fa\u4e8e\u6587\u4ef6\u5927\u5c0f\u5224\u65ad&#xff0c;\u5b9e\u73b0\u65e5\u5fd7\u6587\u4ef6\u6eda\u52a8\u751f\u6210\u65b0\u6587\u4ef6\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;formatter.hpp&#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;fstream&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;time.h&gt;<\/span><\/span><br \/>\n<span class=\"token keyword\">namespace<\/span> Log<br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LogSink<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">using<\/span> ptr <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>LogSink<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">virtual<\/span> <span class=\"token operator\">~<\/span><span class=\"token function\">LogSink<\/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\">virtual<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>data<span class=\"token punctuation\">,<\/span> size_t len<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">StdOutSink<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">LogSink<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>data<span class=\"token punctuation\">,<\/span> size_t len<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8fd9\u91cc\u4e0d\u80fd\u4f7f\u7528 cout &lt;&lt;  \u56e0\u4e3a\u5b83\u662f\u901a\u8fc7 &#039;\\\\0&#039;\u5224\u65ad\u7ed3\u5c3e\u7684<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout<span class=\"token punctuation\">.<\/span><span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">,<\/span> len<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><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">FileSink<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">LogSink<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">FileSink<\/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>filename<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token operator\">:<\/span> <span class=\"token function\">_filename<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u521b\u5efa\u6587\u4ef6\u6240\u5728\u7684\u8def\u5f84\u4e0a\u7684\u6587\u4ef6\u5939<\/span><br \/>\n            util<span class=\"token double-colon punctuation\">::<\/span>file<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">create_directory<\/span><span class=\"token punctuation\">(<\/span>util<span class=\"token double-colon punctuation\">::<\/span>file<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">path<\/span><span class=\"token punctuation\">(<\/span>_filename<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u6587\u4ef6\u64cd\u4f5c\u53e5\u67c4\u7edf\u4e00\u7ba1\u7406\u8d77\u6765<\/span><br \/>\n            _ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">open<\/span><span class=\"token punctuation\">(<\/span>_filename<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>ios<span class=\"token double-colon punctuation\">::<\/span>binary <span class=\"token operator\">|<\/span> std<span class=\"token double-colon punctuation\">::<\/span>ios<span class=\"token double-colon punctuation\">::<\/span>app<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>_ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">is_open<\/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><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>data<span class=\"token punctuation\">,<\/span> size_t len<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">good<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ good\u51fd\u6570\u7528\u4e8e\u68c0\u6d4b\u6d41\u5bf9\u8c61\u7684\u5f53\u524d\u72b6\u6001\u662f\u5426\u201c\u826f\u597d\u201d&#xff0c;\u5373\u6ca1\u6709\u53d1\u751f\u4efb\u4f55\u9519\u8bef\u3002<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u2f47\u5fd7\u8f93\u51fa\u2f42\u4ef6\u5931\u8d25&#xff01;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string _filename<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6587\u4ef6\u7684\u540d\u5b57<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>ofstream _ofs<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u6587\u4ef6\u8f93\u51fa\u6d41<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RollBySizeSink<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">LogSink<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">RollBySizeSink<\/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>basename<span class=\"token punctuation\">,<\/span> size_t max_fsize<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token operator\">:<\/span> <span class=\"token function\">_basename<\/span><span class=\"token punctuation\">(<\/span>basename<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token function\">_max_fsize<\/span><span class=\"token punctuation\">(<\/span>max_fsize<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token function\">_cur_fsize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>string filename <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">create_file<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u521b\u5efa\u6587\u4ef6\u6240\u5728\u7684\u8def\u5f84\u4e0a\u7684\u6587\u4ef6\u5939<\/span><br \/>\n            util<span class=\"token double-colon punctuation\">::<\/span>file<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">create_directory<\/span><span class=\"token punctuation\">(<\/span>util<span class=\"token double-colon punctuation\">::<\/span>file<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">path<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u6587\u4ef6\u64cd\u4f5c\u53e5\u67c4\u7edf\u4e00\u7ba1\u7406\u8d77\u6765<\/span><br \/>\n            _ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">open<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>ios<span class=\"token double-colon punctuation\">::<\/span>binary <span class=\"token operator\">|<\/span> std<span class=\"token double-colon punctuation\">::<\/span>ios<span class=\"token double-colon punctuation\">::<\/span>app<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>_ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">is_open<\/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><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>data<span class=\"token punctuation\">,<\/span> size_t len<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">initLogFile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">good<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ good\u51fd\u6570\u7528\u4e8e\u68c0\u6d4b\u6d41\u5bf9\u8c61\u7684\u5f53\u524d\u72b6\u6001\u662f\u5426\u201c\u826f\u597d\u201d&#xff0c;\u5373\u6ca1\u6709\u53d1\u751f\u4efb\u4f55\u9519\u8bef\u3002<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u2f47\u5fd7\u8f93\u51fa\u2f42\u4ef6\u5931\u8d25&#xff01;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            _cur_fsize <span class=\"token operator\">&#043;&#061;<\/span> len<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\">initLogFile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u5982\u679c\u6587\u4ef6\u8d85\u51fa\u5927\u5c0f\u5219\u9700\u8981\u521b\u9020\u6587\u4ef6\u8fdb\u884c\u5199\u5165<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_cur_fsize <span class=\"token operator\">&gt;&#061;<\/span> _max_fsize<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                _ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u521b\u5efa\u6587\u4ef6\u6240\u5728\u7684\u8def\u5f84\u4e0a\u7684\u6587\u4ef6\u5939<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>string filename <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">create_file<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                util<span class=\"token double-colon punctuation\">::<\/span>file<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">create_directory<\/span><span class=\"token punctuation\">(<\/span>util<span class=\"token double-colon punctuation\">::<\/span>file<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">path<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u6587\u4ef6\u64cd\u4f5c\u53e5\u67c4\u7edf\u4e00\u7ba1\u7406\u8d77\u6765<\/span><br \/>\n                _ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">open<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>ios<span class=\"token double-colon punctuation\">::<\/span>binary <span class=\"token operator\">|<\/span> std<span class=\"token double-colon punctuation\">::<\/span>ios<span class=\"token double-colon punctuation\">::<\/span>app<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>_ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">is_open<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                _cur_fsize <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 punctuation\">}<\/span><\/p>\n<p>        std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token function\">create_file<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/*<br \/>\n            \u5f53\u65e5\u5fd7\u6570\u636e\u5728\u77ed\u65f6\u95f4\u5185\u8fc5\u901f\u589e\u957f&#xff0c;<br \/>\n            \u6587\u4ef6\u5927\u5c0f\u8fbe\u5230\u4e86\u8bbe\u5b9a\u7684\u6700\u5927\u503c&#xff08;\u4f8b\u5982&#xff0c;\u4e00\u79d2\u949f\u5185&#xff09;&#xff0c;<br \/>\n            \u6587\u4ef6\u8f93\u51fa\u6d41 (_ofs) \u53ef\u80fd\u6ca1\u6709\u53ca\u65f6\u5173\u95ed\u5e76\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u65e5\u5fd7\u6587\u4ef6&#xff0c;<br \/>\n            \u8fd9\u5bfc\u81f4\u540e\u7eed\u7684\u6570\u636e\u4ecd\u7136\u5199\u5165\u540c\u4e00\u4e2a\u6587\u4ef6&#xff0c;\u800c\u6ca1\u6709\u6309\u9884\u671f\u8fdb\u884c\u6587\u4ef6\u5207\u5272<br \/>\n            *\/<\/span><br \/>\n            <span class=\"token keyword\">static<\/span> time_t last_time <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> counter <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            time_t t <span class=\"token operator\">&#061;<\/span> util<span class=\"token double-colon punctuation\">::<\/span>date<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">tm<\/span> lt<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">localtime_r<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>t<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>lt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>t <span class=\"token operator\">!&#061;<\/span> last_time<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u65f6\u95f4\u53d8\u5316&#xff0c;\u91cd\u7f6e\u8ba1\u6570\u5668<\/span><br \/>\n                last_time <span class=\"token operator\">&#061;<\/span> t<span class=\"token punctuation\">;<\/span><br \/>\n                counter <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            std<span class=\"token double-colon punctuation\">::<\/span>stringstream ss<span class=\"token punctuation\">;<\/span><br \/>\n            ss <span class=\"token operator\">&lt;&lt;<\/span> _basename<span class=\"token punctuation\">;<\/span><br \/>\n            ss <span class=\"token operator\">&lt;&lt;<\/span> lt<span class=\"token punctuation\">.<\/span>tm_year <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1900<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            ss <span class=\"token operator\">&lt;&lt;<\/span> lt<span class=\"token punctuation\">.<\/span>tm_mon <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            ss <span class=\"token operator\">&lt;&lt;<\/span> lt<span class=\"token punctuation\">.<\/span>tm_mday<span class=\"token punctuation\">;<\/span><br \/>\n            ss <span class=\"token operator\">&lt;&lt;<\/span> lt<span class=\"token punctuation\">.<\/span>tm_hour<span class=\"token punctuation\">;<\/span><br \/>\n            ss <span class=\"token operator\">&lt;&lt;<\/span> lt<span class=\"token punctuation\">.<\/span>tm_min<span class=\"token punctuation\">;<\/span><br \/>\n            ss <span class=\"token operator\">&lt;&lt;<\/span> lt<span class=\"token punctuation\">.<\/span>tm_sec<span class=\"token punctuation\">;<\/span><br \/>\n            ss <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;_&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> counter<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u52a0\u5165\u81ea\u589e\u7f16\u53f7<\/span><br \/>\n            ss <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;.log&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> ss<span class=\"token punctuation\">.<\/span><span class=\"token function\">str<\/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        size_t _max_fsize<span class=\"token punctuation\">;<\/span>     <span class=\"token comment\">\/\/ \u7528\u6237\u81ea\u5b9a\u4e49\u89c4\u5b9a\u7684 \u6587\u4ef6\u5927\u5c0f<\/span><br \/>\n        size_t _cur_fsize<span class=\"token punctuation\">;<\/span>     <span class=\"token comment\">\/\/ \u5f53\u524d\u6587\u4ef6\u7684\u5927\u5c0f<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string _basename<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6587\u4ef6\u57fa\u7840\u540d\u5b57<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>ofstream _ofs<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u6587\u4ef6\u8f93\u51fa\u6d41<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/* \u6269\u5c55\u5b9e\u73b0\u4e00\u4e2arollbytime *\/<\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RollByTimeSink<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">LogSink<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">enum<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">GapTime<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            Second <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            Minute <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">60<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            Hour <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3600<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            Day <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3600<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">24<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">RollByTimeSink<\/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>basename<span class=\"token punctuation\">,<\/span> GapTime gap_type<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token operator\">:<\/span> <span class=\"token function\">_basename<\/span><span class=\"token punctuation\">(<\/span>basename<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token function\">_gap_type<\/span><span class=\"token punctuation\">(<\/span><span class=\"token generic-function\"><span class=\"token function\">static_cast<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>size_t<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>gap_type<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _cur_gap <span class=\"token operator\">&#061;<\/span> _cur_gap <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">?<\/span> util<span class=\"token double-colon punctuation\">::<\/span>date<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> util<span class=\"token double-colon punctuation\">::<\/span>date<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> _gap_type<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/*\u5f53\u95f4\u9694\u4e3asecond\u65f6&#xff0c;%\u4efb\u4f55\u4e1c\u897f\u90fd\u662f0*\/<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>string filename <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">create_file<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u521b\u5efa\u6587\u4ef6\u6240\u5728\u7684\u8def\u5f84\u4e0a\u7684\u6587\u4ef6\u5939<\/span><br \/>\n            util<span class=\"token double-colon punctuation\">::<\/span>file<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">create_directory<\/span><span class=\"token punctuation\">(<\/span>util<span class=\"token double-colon punctuation\">::<\/span>file<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">path<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u6587\u4ef6\u64cd\u4f5c\u53e5\u67c4\u7edf\u4e00\u7ba1\u7406\u8d77\u6765<\/span><br \/>\n            _ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">open<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>ios<span class=\"token double-colon punctuation\">::<\/span>binary <span class=\"token operator\">|<\/span> std<span class=\"token double-colon punctuation\">::<\/span>ios<span class=\"token double-colon punctuation\">::<\/span>app<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>_ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">is_open<\/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>        <span class=\"token keyword\">void<\/span> <span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>data<span class=\"token punctuation\">,<\/span> size_t len<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">initLogFile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">good<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ good\u51fd\u6570\u7528\u4e8e\u68c0\u6d4b\u6d41\u5bf9\u8c61\u7684\u5f53\u524d\u72b6\u6001\u662f\u5426\u201c\u826f\u597d\u201d&#xff0c;\u5373\u6ca1\u6709\u53d1\u751f\u4efb\u4f55\u9519\u8bef\u3002<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u2f47\u5fd7\u8f93\u51fa\u2f42\u4ef6\u5931\u8d25&#xff01;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">initLogFile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u5982\u679c\u6587\u4ef6\u8d85\u51fa\u5927\u5c0f\u5219\u9700\u8981\u521b\u9020\u6587\u4ef6\u8fdb\u884c\u5199\u5165<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            size_t new_gap <span class=\"token operator\">&#061;<\/span> _gap_type <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">?<\/span> util<span class=\"token double-colon punctuation\">::<\/span>date<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> util<span class=\"token double-colon punctuation\">::<\/span>date<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> _gap_type<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/*\u5f53\u95f4\u9694\u4e3asecond\u65f6&#xff0c;%\u4efb\u4f55\u4e1c\u897f\u90fd\u662f0*\/<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>new_gap <span class=\"token operator\">!&#061;<\/span> _cur_gap<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                _ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u521b\u5efa\u6587\u4ef6\u6240\u5728\u7684\u8def\u5f84\u4e0a\u7684\u6587\u4ef6\u5939<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>string filename <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">create_file<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                util<span class=\"token double-colon punctuation\">::<\/span>file<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">create_directory<\/span><span class=\"token punctuation\">(<\/span>util<span class=\"token double-colon punctuation\">::<\/span>file<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">path<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u6587\u4ef6\u64cd\u4f5c\u53e5\u67c4\u7edf\u4e00\u7ba1\u7406\u8d77\u6765<\/span><br \/>\n                _ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">open<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>ios<span class=\"token double-colon punctuation\">::<\/span>binary <span class=\"token operator\">|<\/span> std<span class=\"token double-colon punctuation\">::<\/span>ios<span class=\"token double-colon punctuation\">::<\/span>app<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>_ofs<span class=\"token punctuation\">.<\/span><span class=\"token function\">is_open<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                _cur_gap <span class=\"token operator\">&#061;<\/span> new_gap<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token function\">create_file<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            time_t t <span class=\"token operator\">&#061;<\/span> util<span class=\"token double-colon punctuation\">::<\/span>date<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">tm<\/span> lt<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">localtime_r<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>t<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>lt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            std<span class=\"token double-colon punctuation\">::<\/span>stringstream ss<span class=\"token punctuation\">;<\/span><br \/>\n            ss <span class=\"token operator\">&lt;&lt;<\/span> _basename<span class=\"token punctuation\">;<\/span><br \/>\n            ss <span class=\"token operator\">&lt;&lt;<\/span> lt<span class=\"token punctuation\">.<\/span>tm_year <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1900<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            ss <span class=\"token operator\">&lt;&lt;<\/span> lt<span class=\"token punctuation\">.<\/span>tm_mon <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            ss <span class=\"token operator\">&lt;&lt;<\/span> lt<span class=\"token punctuation\">.<\/span>tm_mday<span class=\"token punctuation\">;<\/span><br \/>\n            ss <span class=\"token operator\">&lt;&lt;<\/span> lt<span class=\"token punctuation\">.<\/span>tm_hour<span class=\"token punctuation\">;<\/span><br \/>\n            ss <span class=\"token operator\">&lt;&lt;<\/span> lt<span class=\"token punctuation\">.<\/span>tm_min<span class=\"token punctuation\">;<\/span><br \/>\n            ss <span class=\"token operator\">&lt;&lt;<\/span> lt<span class=\"token punctuation\">.<\/span>tm_sec<span class=\"token punctuation\">;<\/span><br \/>\n            ss <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;.log&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> ss<span class=\"token punctuation\">.<\/span><span class=\"token function\">str<\/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        size_t _gap_type<span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u95f4\u9694\u65f6\u95f4<\/span><br \/>\n        size_t _cur_gap<span class=\"token punctuation\">;<\/span>       <span class=\"token comment\">\/\/ \u5f53\u524d\u7684 \u65f6\u95f4%\u95f4\u9694\u65f6\u95f4<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string _basename<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6587\u4ef6\u57fa\u7840\u540d\u5b57<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>ofstream _ofs<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u6587\u4ef6\u8f93\u51fa\u6d41<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">SinkFactory<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">template<\/span> <span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">SinkType<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">class<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span> Args<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token keyword\">static<\/span> LogSink<span class=\"token double-colon punctuation\">::<\/span>ptr <span class=\"token function\">create<\/span><span class=\"token punctuation\">(<\/span>Args <span class=\"token operator\">&amp;&amp;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span>args<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/*  Args&amp;&amp;&#8230; \u2014\u2014 \u8fd9\u662f\u4e00\u79cd \u4e07\u80fd\u5f15\u7528&#xff08;universal reference&#xff09;,\u5b83\u53ef\u4ee5\u7ed1\u5b9a\u5230\u5de6\u503c\u6216\u53f3\u503c&#xff0c;\u5e76\u4fdd\u6301\u539f\u6765\u7684\u503c\u7c7b\u522b\u3002<br \/>\n                \u5982\u679c\u4f60\u76f4\u63a5\u5199 args&#8230;&#xff0c;\u6240\u6709\u53c2\u6570\u90fd\u88ab\u5f53\u4f5c \u5de6\u503c \u4f20\u9012<br \/>\n                \u800c std::forward&lt;Args&gt;(args)&#8230; \u53ef\u4ee5\u8ba9&#xff1a;<br \/>\n                \u5de6\u503c\u53c2\u6570\u4ee5\u5de6\u503c\u8eab\u4efd\u4f20\u9012&#xff1b;<br \/>\n                \u53f3\u503c\u53c2\u6570\u4ee5\u53f3\u503c\u8eab\u4efd\u4f20\u9012\u3002*\/<\/span><br \/>\n            <span class=\"token keyword\">return<\/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>SinkType<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token generic-function\"><span class=\"token function\">forward<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>Args<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>args<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><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>2.6 \u65e5\u5fd7\u5668\u7c7b\u8bbe\u8ba1&#xff08;\u5efa\u9020\u8005\u6a21\u5f0f&#xff09;logger.hpp<\/h3>\n<p>\u65e5\u5fd7\u5668\u4e3b\u8981\u7528\u4e8e\u548c\u524d\u7aef\u4ea4\u4e92&#xff0c;\u5f53\u6211\u4eec\u9700\u8981\u4f7f\u7528\u65e5\u5fd7\u7cfb\u7edf\u6253\u5370\u65e5\u5fd7\u65f6&#xff0c;\u53ea\u9700\u521b\u5efa Logger \u5bf9\u8c61&#xff0c;\u8c03\u7528\u8be5\u5bf9\u8c61\u7684 debug\u3001info\u3001warn\u3001error\u3001fatal \u7b49\u65b9\u6cd5\u8f93\u51fa\u60f3\u6253\u5370\u7684\u65e5\u5fd7\u3002\u652f\u6301\u89e3\u6790\u53ef\u53d8\u53c2\u6570\u5217\u8868\u548c\u8f93\u51fa\u683c\u5f0f&#xff0c;\u7c7b\u4f3c printf \u51fd\u6570\u7684\u4f7f\u7528\u4f53\u9a8c\u3002<\/p>\n<hr \/>\n<p>\u5f53\u524d\u65e5\u5fd7\u7cfb\u7edf\u652f\u6301\u4e24\u79cd\u6a21\u5f0f&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u540c\u6b65\u65e5\u5fd7\u5668 \u76f4\u63a5\u5bf9\u65e5\u5fd7\u6d88\u606f\u8fdb\u884c\u8f93\u51fa\u3002<\/p>\n<\/li>\n<li>\n<p>\u5f02\u6b65\u65e5\u5fd7\u5668 \u5c06\u65e5\u5fd7\u6d88\u606f\u653e\u5165\u7f13\u51b2\u533a&#xff0c;\u7531\u5f02\u6b65\u7ebf\u7a0b\u8fdb\u884c\u8f93\u51fa\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u4e24\u4e2a\u65e5\u5fd7\u5668\u552f\u4e00\u4e0d\u540c\u70b9\u5728\u4e8e\u65e5\u5fd7\u7684\u843d\u5730\u65b9\u5f0f\u3002<\/p>\n<hr \/>\n<p>\u8bbe\u8ba1\u67b6\u6784<\/p>\n<ul>\n<li>\u8bbe\u8ba1\u4e00\u4e2a Logger \u57fa\u7c7b&#xff0c;\u4f5c\u4e3a\u65e5\u5fd7\u5668\u7684\u7edf\u4e00\u63a5\u53e3\u3002<\/li>\n<li>\u5728 Logger \u57fa\u7c7b\u57fa\u7840\u4e0a&#xff0c;\u7ee7\u627f\u51fa&#xff1a;\n<ul>\n<li>SyncLogger&#xff08;\u540c\u6b65\u65e5\u5fd7\u5668&#xff09;<\/li>\n<li>AsyncLogger&#xff08;\u5f02\u6b65\u65e5\u5fd7\u5668&#xff09;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<p>\u65e5\u5fd7\u5668\u521b\u5efa\u914d\u7f6e<\/p>\n<p>\u521b\u5efa\u4e00\u4e2a\u65e5\u5fd7\u5668\u65f6&#xff0c;\u9700\u8981\u914d\u7f6e\u4ee5\u4e0b\u5185\u5bb9&#xff1a;<\/p>\n<ul>\n<li>\u65e5\u5fd7\u5668\u540d\u79f0<\/li>\n<li>\u65e5\u5fd7\u8f93\u51fa\u7b49\u7ea7<\/li>\n<li>\u65e5\u5fd7\u5668\u7c7b\u578b&#xff08;\u540c\u6b65\/\u5f02\u6b65&#xff09;<\/li>\n<li>\u65e5\u5fd7\u8f93\u51fa\u683c\u5f0f<\/li>\n<li>\u65e5\u5fd7\u843d\u5730\u65b9\u5411&#xff08;\u53ef\u652f\u6301\u591a\u4e2a\u843d\u5730\u76ee\u6807&#xff09;<\/li>\n<\/ul>\n<p>\u7531\u4e8e\u65e5\u5fd7\u5668\u7684\u521b\u5efa\u8fc7\u7a0b\u8f83\u4e3a\u590d\u6742&#xff0c;\u4e3a\u4fdd\u6301\u826f\u597d\u7684\u4ee3\u7801\u98ce\u683c\u548c\u4f18\u96c5\u8bbe\u8ba1&#xff0c;\u91c7\u7528\u5efa\u9020\u8005\u6a21\u5f0f\u6765\u5b9e\u73b0\u65e5\u5fd7\u5668\u7684\u521b\u5efa\u3002<\/p>\n<hr \/>\n<p>\u5efa\u9020\u8005\u6a21\u5f0f\u4f18\u52bf:<\/p>\n<ul>\n<li>\u89e3\u8026\u590d\u6742\u7684\u65e5\u5fd7\u5668\u521b\u5efa\u8fc7\u7a0b<\/li>\n<li>\u7075\u6d3b\u914d\u7f6e\u591a\u79cd\u53c2\u6570<\/li>\n<li>\u4fdd\u6301\u4ee3\u7801\u7b80\u6d01\u6e05\u6670<\/li>\n<\/ul>\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\">&#034;formatter.hpp&#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;message.hpp&#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;level.hpp&#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;sink.hpp&#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;looper.hpp&#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;mutex&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;atomic&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;cstdarg&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;cstdio&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;unordered_map&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">namespace<\/span> Log<br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Logger<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">using<\/span> ptr <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>Logger<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">Logger<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>value limit_level<span class=\"token punctuation\">,<\/span> Formatter<span class=\"token double-colon punctuation\">::<\/span>ptr formatter<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>LogSink<span class=\"token double-colon punctuation\">::<\/span>ptr<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&amp;<\/span>sinks<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string logger_name<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token operator\">:<\/span> <span class=\"token function\">_limit_level<\/span><span class=\"token punctuation\">(<\/span>limit_level<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token function\">_formatter<\/span><span class=\"token punctuation\">(<\/span>formatter<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token function\">_sinks<\/span><span class=\"token punctuation\">(<\/span>sinks<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token function\">_logger_name<\/span><span class=\"token punctuation\">(<\/span>logger_name<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token operator\">&amp;<\/span><span class=\"token function\">getName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> _logger_name<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">void<\/span> <span class=\"token function\">debug<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>file<span class=\"token punctuation\">,<\/span> size_t line<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>fmt<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><br \/>\n            <span class=\"token comment\">\/\/  \u5224\u65ad\u5f53\u524dlevel\u7b49\u7ea7\u662f\u5426\u5927\u4e8e\u7b49\u4e8e_limit_level<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">shouldLog<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token double-colon punctuation\">::<\/span>DEBUG<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/  \u4e0d\u5b9a\u53c2\u6570<\/span><br \/>\n            va_list al<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">va_start<\/span><span class=\"token punctuation\">(<\/span>al<span class=\"token punctuation\">,<\/span> fmt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token function\">logMsgToStr<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">,<\/span> fmt<span class=\"token punctuation\">,<\/span> al<span class=\"token punctuation\">,<\/span> LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token double-colon punctuation\">::<\/span>DEBUG<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">va_end<\/span><span class=\"token punctuation\">(<\/span>al<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>file<span class=\"token punctuation\">,<\/span> size_t line<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>fmt<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><br \/>\n            <span class=\"token comment\">\/\/  fmt \u662f\u683c\u5f0f\u5316\u5b57\u7b26\u4e32&#xff08;format string&#xff09;\u7684\u7f29\u5199&#xff0c;\u7528\u4e8e\u652f\u6301\u53ef\u53d8\u53c2\u6570\u51fd\u6570&#xff0c;\u5c31\u50cf printf \u4e00\u6837\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/  \u5224\u65ad\u5f53\u524dlevel\u7b49\u7ea7\u662f\u5426\u5927\u4e8e\u7b49\u4e8e_limit_level<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">shouldLog<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token double-colon punctuation\">::<\/span>INFO<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/  \u4e0d\u5b9a\u53c2\u6570<\/span><br \/>\n            va_list al<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">va_start<\/span><span class=\"token punctuation\">(<\/span>al<span class=\"token punctuation\">,<\/span> fmt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token function\">logMsgToStr<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">,<\/span> fmt<span class=\"token punctuation\">,<\/span> al<span class=\"token punctuation\">,<\/span> LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token double-colon punctuation\">::<\/span>INFO<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">va_end<\/span><span class=\"token punctuation\">(<\/span>al<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>file<span class=\"token punctuation\">,<\/span> size_t line<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>fmt<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><br \/>\n            <span class=\"token comment\">\/\/  \u5224\u65ad\u5f53\u524dlevel\u7b49\u7ea7\u662f\u5426\u5927\u4e8e\u7b49\u4e8e_limit_level<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">shouldLog<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token double-colon punctuation\">::<\/span>WARN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/  \u4e0d\u5b9a\u53c2\u6570<\/span><br \/>\n            va_list al<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">va_start<\/span><span class=\"token punctuation\">(<\/span>al<span class=\"token punctuation\">,<\/span> fmt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token function\">logMsgToStr<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">,<\/span> fmt<span class=\"token punctuation\">,<\/span> al<span class=\"token punctuation\">,<\/span> LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token double-colon punctuation\">::<\/span>WARN<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">va_end<\/span><span class=\"token punctuation\">(<\/span>al<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>file<span class=\"token punctuation\">,<\/span> size_t line<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>fmt<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><br \/>\n            <span class=\"token comment\">\/\/  \u5224\u65ad\u5f53\u524dlevel\u7b49\u7ea7\u662f\u5426\u5927\u4e8e\u7b49\u4e8e_limit_level<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">shouldLog<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token double-colon punctuation\">::<\/span>ERROR<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/  \u4e0d\u5b9a\u53c2\u6570<\/span><br \/>\n            va_list al<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">va_start<\/span><span class=\"token punctuation\">(<\/span>al<span class=\"token punctuation\">,<\/span> fmt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token function\">logMsgToStr<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">,<\/span> fmt<span class=\"token punctuation\">,<\/span> al<span class=\"token punctuation\">,<\/span> LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token double-colon punctuation\">::<\/span>ERROR<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">va_end<\/span><span class=\"token punctuation\">(<\/span>al<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">fatal<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>file<span class=\"token punctuation\">,<\/span> size_t line<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>fmt<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><br \/>\n            <span class=\"token comment\">\/\/  \u5224\u65ad\u5f53\u524dlevel\u7b49\u7ea7\u662f\u5426\u5927\u4e8e\u7b49\u4e8e_limit_level<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">shouldLog<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token double-colon punctuation\">::<\/span>FATAL<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/  \u4e0d\u5b9a\u53c2\u6570<\/span><br \/>\n            va_list al<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">va_start<\/span><span class=\"token punctuation\">(<\/span>al<span class=\"token punctuation\">,<\/span> fmt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token function\">logMsgToStr<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">,<\/span> fmt<span class=\"token punctuation\">,<\/span> al<span class=\"token punctuation\">,<\/span> LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token double-colon punctuation\">::<\/span>FATAL<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">va_end<\/span><span class=\"token punctuation\">(<\/span>al<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">protected<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">bool<\/span> <span class=\"token function\">shouldLog<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>value level<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span>level <span class=\"token operator\">&gt;&#061;<\/span> _limit_level<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\">logMsgToStr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>file<span class=\"token punctuation\">,<\/span> size_t line<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>fmt<span class=\"token punctuation\">,<\/span> va_list <span class=\"token operator\">&amp;<\/span>al<span class=\"token punctuation\">,<\/span> LogLevel<span class=\"token double-colon punctuation\">::<\/span>value level<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>buf<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">vasprintf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>buf<span class=\"token punctuation\">,<\/span> fmt<span class=\"token punctuation\">,<\/span> al<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u65e5\u5fd7\u6d88\u606f\u683c\u5f0f\u5316\u5931\u8d25&#xff01;&#xff01;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token comment\">\/\/  \u521d\u59cb\u5316\u4e00\u4e2a\u65e5\u5fd7\u6d88\u606f\u5bf9\u8c61<\/span><br \/>\n            LogMsg <span class=\"token function\">lm<\/span><span class=\"token punctuation\">(<\/span>line<span class=\"token punctuation\">,<\/span> file<span class=\"token punctuation\">,<\/span> _logger_name<span class=\"token punctuation\">,<\/span> buf<span class=\"token punctuation\">,<\/span> level<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/  \u5c06\u65e5\u5fd7\u6d88\u606f\u5bf9\u8c61\u4e2d\u7684\u4fe1\u606f\u683c\u5f0f\u5316\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>string s<span class=\"token punctuation\">;<\/span><br \/>\n            s <span class=\"token operator\">&#061;<\/span> _formatter<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span>lm<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/  \u5c06\u683c\u5f0f\u5316\u5b8c\u6210\u7684\u5b57\u7b26\u4e32\u653e\u5165\u5230 logsink\u4e2d<\/span><br \/>\n            <span class=\"token function\">logSink<\/span><span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">virtual<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">logSink<\/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>Msg<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">protected<\/span><span class=\"token operator\">:<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>mutex _mutex<span class=\"token punctuation\">;<\/span>                         <span class=\"token comment\">\/\/ \u9501<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>atomic<span class=\"token operator\">&lt;<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token operator\">&gt;<\/span> _limit_level<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u9650\u5236\u7b49\u7ea7<\/span><br \/>\n        Formatter<span class=\"token double-colon punctuation\">::<\/span>ptr _formatter<span class=\"token punctuation\">;<\/span>                 <span class=\"token comment\">\/\/ \u65e5\u5fd7\u683c\u5f0f\u5316\u5bf9\u8c61<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>LogSink<span class=\"token double-colon punctuation\">::<\/span>ptr<span class=\"token operator\">&gt;<\/span> _sinks<span class=\"token punctuation\">;<\/span>          <span class=\"token comment\">\/\/ \u65e5\u5fd7\u843d\u5730\u6570\u7ec4<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string _logger_name<span class=\"token punctuation\">;<\/span>                  <span class=\"token comment\">\/\/ \u65e5\u5fd7\u5668\u540d\u79f0<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">SyncLogger<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Logger<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">using<\/span> ptr <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>SyncLogger<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">SyncLogger<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>value limit_level<span class=\"token punctuation\">,<\/span> Formatter<span class=\"token double-colon punctuation\">::<\/span>ptr formatter<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>LogSink<span class=\"token double-colon punctuation\">::<\/span>ptr<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&amp;<\/span>sinks<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string logger_name<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token operator\">:<\/span> <span class=\"token function\">Logger<\/span><span class=\"token punctuation\">(<\/span>limit_level<span class=\"token punctuation\">,<\/span> formatter<span class=\"token punctuation\">,<\/span> sinks<span class=\"token punctuation\">,<\/span> logger_name<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u8fd9 \u4e0d\u662f\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 Logger \u5bf9\u8c61&#xff0c;\u800c\u662f \u521d\u59cb\u5316 SyncLogger \u4f5c\u4e3a Logger \u5b50\u7c7b\u4e2d\u7ee7\u627f\u6765\u7684\u90a3\u4e00\u90e8\u5206\u3002<\/span><\/p>\n<p>        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/std::cout &lt;&lt; &#034;\u540c\u6b65\u65e5\u5fd7\u5668:&#034; &lt;&lt; logger_name &lt;&lt; &#034;\u521b\u9020\u6210\u529f&#8230;\\\\n&#034;;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">void<\/span> <span class=\"token function\">logSink<\/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>Msg<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>unique_lock<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>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5f53\u524d\u4e1a\u52a1\u4e2d\u53ea\u6709\u4e00\u4e2a\u4e3b\u7ebf\u7a0b\u8c03\u7528\u662f\u53ef\u4ee5\u4e0d\u52a0\u9501\u7684&#xff0c;\u4f46\u662f\u8003\u8651\u5230\u672a\u6765\u53ef\u80fd\u6709\u591a\u4e2a\u7ebf\u7a0b\u8c03\u7528&#xff0c;\u6240\u4ee5\u63d0\u524d\u52a0\u9501<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_sinks<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><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u843d\u5730\u6570\u7ec4\u4e3a\u7a7a&#xff01;&#xff01;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/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>sn <span class=\"token operator\">:<\/span> _sinks<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                sn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">log<\/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\">size<\/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><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">AsyncLogger<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Logger<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">using<\/span> ptr <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>AsyncLogger<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">AsyncLogger<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>value limit_level<span class=\"token punctuation\">,<\/span> Formatter<span class=\"token double-colon punctuation\">::<\/span>ptr formatter<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>LogSink<span class=\"token double-colon punctuation\">::<\/span>ptr<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&amp;<\/span>sinks<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string logger_name<span class=\"token punctuation\">,<\/span> AsyncSafeType <span class=\"token operator\">&amp;<\/span>async_type<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token operator\">:<\/span> <span class=\"token function\">Logger<\/span><span class=\"token punctuation\">(<\/span>limit_level<span class=\"token punctuation\">,<\/span> formatter<span class=\"token punctuation\">,<\/span> sinks<span class=\"token punctuation\">,<\/span> logger_name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u8fd9 \u4e0d\u662f\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 Logger \u5bf9\u8c61&#xff0c;\u800c\u662f \u521d\u59cb\u5316 SyncLogger \u4f5c\u4e3a Logger \u5b50\u7c7b\u4e2d\u7ee7\u627f\u6765\u7684\u90a3\u4e00\u90e8\u5206\u3002<\/span><br \/>\n              <span class=\"token function\">_looper<\/span><span class=\"token punctuation\">(<\/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>AsyncLooper<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>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>AsyncLogger<span class=\"token double-colon punctuation\">::<\/span>readLog<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 punctuation\">,<\/span> async_type<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/std::cout &lt;&lt; &#034;\u5f02\u6b65\u65e5\u5fd7\u5668:&#034; &lt;&lt; logger_name &lt;&lt; &#034;\u521b\u9020\u6210\u529f&#8230;\\\\n&#034;;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">void<\/span> <span class=\"token function\">logSink<\/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>Msg<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _looper<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">push<\/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\">size<\/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>        <span class=\"token keyword\">void<\/span> <span class=\"token function\">readLog<\/span><span class=\"token punctuation\">(<\/span>Buffer <span class=\"token operator\">&amp;<\/span>buffer<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_sinks<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><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u843d\u5730\u6570\u7ec4\u4e3a\u7a7a&#xff01;&#xff01;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/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>sn <span class=\"token operator\">:<\/span> _sinks<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                sn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">readAbleSize<\/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><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        AsyncLooper<span class=\"token double-colon punctuation\">::<\/span>ptr _looper<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5f02\u6b65\u65e5\u5fd7\u5904\u7406\u5668<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">enum<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">BuildType<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        LOGGER_SYNC<span class=\"token punctuation\">,<\/span><br \/>\n        LOGGER_ASYNC<br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u65e5\u5fd7\u5668\u5efa\u9020\u8005\u7c7b<\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LoggerBuilder<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">using<\/span> ptr <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>LoggerBuilder<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">LoggerBuilder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">_limit_level<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>value<span class=\"token double-colon punctuation\">::<\/span>DEBUG<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_logger_type<\/span><span class=\"token punctuation\">(<\/span>BuildType<span class=\"token double-colon punctuation\">::<\/span>LOGGER_SYNC<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_async_type<\/span><span class=\"token punctuation\">(<\/span>AsyncSafeType<span class=\"token double-colon punctuation\">::<\/span>SAFE<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\">buildAsyncUnSafe<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> _async_type <span class=\"token operator\">&#061;<\/span> AsyncSafeType<span class=\"token double-colon punctuation\">::<\/span>UNSAFE<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">buildLoggerType<\/span><span class=\"token punctuation\">(<\/span>BuildType type<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> _logger_type <span class=\"token operator\">&#061;<\/span> type<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">buildloggerName<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string logger_name<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> _logger_name <span class=\"token operator\">&#061;<\/span> logger_name<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">buildloggerLevel<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>value level<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> _limit_level <span class=\"token operator\">&#061;<\/span> level<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">buildloggerFormater<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string pattern<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> _formatter <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>Formatter<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>pattern<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ void buildloggerFormatter(const Formatter::ptr &amp;formatter) { _formatter &#061; formatter; }<\/span><\/p>\n<p>        <span class=\"token comment\">\/*<br \/>\n            \u5173\u4e8e const &amp; \u6307\u9488\u7684\u7406\u7531&#xff1a;<br \/>\n            shared_ptr \u672c\u8eab\u867d\u7136\u662f\u8f7b\u91cf\u5c01\u88c5&#xff0c;\u4f46 \u590d\u5236\u4ecd\u6d89\u53ca\u5f15\u7528\u8ba1\u6570\u7684\u539f\u5b50\u64cd\u4f5c\u3002<br \/>\n            \u5982\u679c\u4f60\u4f20\u503c&#xff08;Formatter::ptr formatter&#xff09;&#xff0c;\u90a3\u4e48&#xff1a;<br \/>\n            \u4f1a\u591a\u4e00\u6b21\u5f15\u7528\u8ba1\u6570 &#043;1 \u548c -1 \u7684\u5f00\u9500\u3002<br \/>\n            \u5982\u679c\u4f60\u4e0d\u9700\u8981\u5bf9\u6307\u9488\u672c\u8eab\u505a\u4fee\u6539&#xff08;\u4f8b\u5982 reset&#xff09;&#xff0c;\u5219\u4f20\u5f15\u7528\u66f4\u5408\u7406\u3002<br \/>\n        *\/<\/span><br \/>\n        <span class=\"token keyword\">template<\/span> <span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">typename<\/span> <span class=\"token class-name\">SinkType<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">typename<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span> Args<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">buildsink<\/span><span class=\"token punctuation\">(<\/span>Args <span class=\"token operator\">&amp;&amp;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span>args<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            LogSink<span class=\"token double-colon punctuation\">::<\/span>ptr sink <span class=\"token operator\">&#061;<\/span> SinkFactory<span class=\"token double-colon punctuation\">::<\/span><span class=\"token generic-function\"><span class=\"token function\">create<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>SinkType<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token generic-function\"><span class=\"token function\">forward<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>Args<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>args<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><br \/>\n            _sinks<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>sink<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">virtual<\/span> Logger<span class=\"token double-colon punctuation\">::<\/span>ptr <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">protected<\/span><span class=\"token operator\">:<\/span><br \/>\n        AsyncSafeType _async_type<span class=\"token punctuation\">;<\/span>        <span class=\"token comment\">\/\/ \u5f02\u6b65\u65e5\u5fd7\u7c7b\u578b<\/span><br \/>\n        BuildType _logger_type<span class=\"token punctuation\">;<\/span>           <span class=\"token comment\">\/\/ \u65e5\u5fd7\u5668\u79cd\u7c7b<\/span><br \/>\n        LogLevel<span class=\"token double-colon punctuation\">::<\/span>value _limit_level<span class=\"token punctuation\">;<\/span>     <span class=\"token comment\">\/\/ \u9650\u5236\u7b49\u7ea7<\/span><br \/>\n        Formatter<span class=\"token double-colon punctuation\">::<\/span>ptr _formatter<span class=\"token punctuation\">;<\/span>        <span class=\"token comment\">\/\/ \u65e5\u5fd7\u683c\u5f0f\u5316\u5bf9\u8c61<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>LogSink<span class=\"token double-colon punctuation\">::<\/span>ptr<span class=\"token operator\">&gt;<\/span> _sinks<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u65e5\u5fd7\u843d\u5730\u6570\u7ec4<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string _logger_name<span class=\"token punctuation\">;<\/span>         <span class=\"token comment\">\/\/ \u65e5\u5fd7\u5668\u540d\u79f0<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LocalLoggerBuilder<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">LoggerBuilder<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">using<\/span> ptr <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>LocalLoggerBuilder<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        Logger<span class=\"token double-colon punctuation\">::<\/span>ptr <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5982\u679c\u65e5\u5fd7\u5668\u540d\u5b57\u4e3a\u7a7a<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_logger_name<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><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u65e5\u5fd7\u5668\u540d\u5b57\u4e0d\u80fd\u4e3a\u7a7a&#xff01;&#xff01;&#xff01;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">abort<\/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\">if<\/span> <span class=\"token punctuation\">(<\/span>_formatter<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/std::cout &lt;&lt; &#034;\u5f53\u524d\u65e5\u5fd7\u5668&#xff1a;&#034; &lt;&lt; _logger_name &lt;&lt; &#034; \u672a\u68c0\u6d4b\u5230\u65e5\u5fd7\u683c\u5f0f,\u8bbe\u7f6e\u9ed8\u8ba4\u8bbe\u7f6e\\\\n&#034;;<\/span><br \/>\n                _formatter <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>Formatter<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            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_sinks<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><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/std::cout &lt;&lt; &#034;\u5f53\u524d\u65e5\u5fd7\u5668&#xff1a;&#034; &lt;&lt; _logger_name &lt;&lt; &#034; \u672a\u68c0\u6d4b\u5230\u843d\u5730\u65b9\u5411&#xff0c;\u9ed8\u8ba4\u8bbe\u7f6e\u4e3a\u6807\u51c6\u8f93\u51fa!\\\\n&#034;;<\/span><br \/>\n                _sinks<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/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>StdOutSink<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            Logger<span class=\"token double-colon punctuation\">::<\/span>ptr lg<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_logger_type <span class=\"token operator\">&#061;&#061;<\/span> BuildType<span class=\"token double-colon punctuation\">::<\/span>LOGGER_SYNC<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                lg <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>SyncLogger<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>_limit_level<span class=\"token punctuation\">,<\/span> _formatter<span class=\"token punctuation\">,<\/span> _sinks<span class=\"token punctuation\">,<\/span> _logger_name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                lg <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>AsyncLogger<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>_limit_level<span class=\"token punctuation\">,<\/span> _formatter<span class=\"token punctuation\">,<\/span> _sinks<span class=\"token punctuation\">,<\/span> _logger_name<span class=\"token punctuation\">,<\/span> _async_type<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token keyword\">return<\/span> lg<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u65e5\u5fd7\u7ba1\u7406\u5668<\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LoggerManager<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">static<\/span> LoggerManager <span class=\"token operator\">&amp;<\/span><span class=\"token function\">getInstance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5728c&#043;&#043;11\u4e4b\u540e&#xff0c;\u9488\u5bf9\u9759\u6001\u5c40\u90e8\u53d8\u91cf&#xff0c;\u7f16\u8bd1\u5668\u5728\u7f16\u8bd1\u7684\u5c42\u9762\u5b9e\u73b0\u4e86\u7ebf\u7a0b\u5b89\u5168<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5f53\u9759\u6001\u5c40\u90e8\u53d8\u91cf\u5728\u6ca1\u6709\u6784\u9020\u5b8c\u5168\u4e4b\u524d&#xff0c;\u5176\u5b83\u7684\u7ebf\u7a0b\u8fdb\u5165\u5c31\u4f1a\u963b\u585e<\/span><br \/>\n            <span class=\"token keyword\">static<\/span> LoggerManager lm<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> lm<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u7981\u6b62\u62f7\u8d1d\u548c\u8d4b\u503c<\/span><br \/>\n        <span class=\"token function\">LoggerManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> LoggerManager <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        LoggerManager <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> LoggerManager <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 keyword\">void<\/span> <span class=\"token function\">addLogger<\/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>name<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> Log<span class=\"token double-colon punctuation\">::<\/span>Logger<span class=\"token double-colon punctuation\">::<\/span>ptr new_logger<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>unique_lock<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>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _loggers<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span>name<span class=\"token punctuation\">,<\/span> new_logger<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\">bool<\/span> <span class=\"token function\">hasLogger<\/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>name<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>unique_lock<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>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> _loggers<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>it <span class=\"token operator\">&#061;&#061;<\/span> _loggers<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        Logger<span class=\"token double-colon punctuation\">::<\/span>ptr <span class=\"token function\">getLogger<\/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>name<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>unique_lock<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>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> _loggers<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>it <span class=\"token operator\">&#061;&#061;<\/span> _loggers<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Logger<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">ptr<\/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\">return<\/span> it<span class=\"token operator\">-&gt;<\/span>second<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/\u82e5\u8fd4\u56de\u7684\u662f\u5f15\u7528&#xff0c;\u6307\u5411\u5185\u90e8 _default_logger \u7684\u771f\u5b9e\u5bf9\u8c61\u3002\u8fd9\u610f\u5473\u7740\u8c03\u7528\u65b9\u53ef\u4ee5\u4fee\u6539\u5b83\u7684\u6307\u9488\u672c\u8eab<\/span><br \/>\n        Logger<span class=\"token double-colon punctuation\">::<\/span>ptr <span class=\"token function\">getDefaultLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>unique_lock<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>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> _default_logger<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 function\">LoggerManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8fd9\u91cc\u4e00\u5b9a\u8981\u662fLocalBuilder \u5426\u5219\u4f1a\u9677\u5165\u5faa\u73af\u5361\u6b7b&#xff0c;\u56e0\u4e3a\u4e0b\u9762\u4f1a\u8c03\u7528build()<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>LocalLoggerBuilder<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">LocalLoggerBuilder<\/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 operator\">-&gt;<\/span><span class=\"token function\">buildloggerName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;default&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _default_logger <span class=\"token operator\">&#061;<\/span> builder<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _loggers<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;default&#034;<\/span><span class=\"token punctuation\">,<\/span> _default_logger<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 operator\">~<\/span><span class=\"token function\">LoggerManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">default<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>mutex _mutex<span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>unordered_map<span class=\"token operator\">&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token punctuation\">,<\/span> Logger<span class=\"token double-colon punctuation\">::<\/span>ptr<span class=\"token operator\">&gt;<\/span> _loggers<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7ba1\u7406\u65e5\u5fd7\u5668map<\/span><br \/>\n        Logger<span class=\"token double-colon punctuation\">::<\/span>ptr _default_logger<span class=\"token punctuation\">;<\/span>                           <span class=\"token comment\">\/\/ \u9ed8\u8ba4\u65e5\u5fd7\u5668<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u5168\u5c40\u65e5\u5fd7\u5efa\u9020\u5668<\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">GlobalLoggerBuilder<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">LoggerBuilder<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">using<\/span> ptr <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>GlobalLoggerBuilder<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        Logger<span class=\"token double-colon punctuation\">::<\/span>ptr <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5982\u679c\u65e5\u5fd7\u5668\u540d\u5b57\u4e3a\u7a7a<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_logger_name<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><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u65e5\u5fd7\u5668\u540d\u5b57\u4e0d\u80fd\u4e3a\u7a7a&#xff01;&#xff01;&#xff01;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">abort<\/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\">if<\/span> <span class=\"token punctuation\">(<\/span>_formatter<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/std::cout &lt;&lt; &#034;\u5f53\u524d\u65e5\u5fd7\u5668&#xff1a;&#034; &lt;&lt; _logger_name &lt;&lt; &#034; \u672a\u68c0\u6d4b\u5230\u65e5\u5fd7\u683c\u5f0f,\u8bbe\u7f6e\u9ed8\u8ba4\u8bbe\u7f6e\\\\n&#034;;<\/span><br \/>\n                _formatter <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>Formatter<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            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_sinks<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><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/std::cout &lt;&lt; &#034;\u5f53\u524d\u65e5\u5fd7\u5668&#xff1a;&#034; &lt;&lt; _logger_name &lt;&lt; &#034; \u672a\u68c0\u6d4b\u5230\u843d\u5730\u65b9\u5411&#xff0c;\u9ed8\u8ba4\u8bbe\u7f6e\u4e3a\u6807\u51c6\u8f93\u51fa!\\\\n&#034;;<\/span><br \/>\n                _sinks<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/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>StdOutSink<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            Logger<span class=\"token double-colon punctuation\">::<\/span>ptr lg<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_logger_type <span class=\"token operator\">&#061;&#061;<\/span> BuildType<span class=\"token double-colon punctuation\">::<\/span>LOGGER_SYNC<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                lg <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>SyncLogger<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>_limit_level<span class=\"token punctuation\">,<\/span> _formatter<span class=\"token punctuation\">,<\/span> _sinks<span class=\"token punctuation\">,<\/span> _logger_name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                lg <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>AsyncLogger<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>_limit_level<span class=\"token punctuation\">,<\/span> _formatter<span class=\"token punctuation\">,<\/span> _sinks<span class=\"token punctuation\">,<\/span> _logger_name<span class=\"token punctuation\">,<\/span> _async_type<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token class-name\">LoggerManager<\/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><span class=\"token function\">addLogger<\/span><span class=\"token punctuation\">(<\/span>_logger_name<span class=\"token punctuation\">,<\/span>lg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> lg<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>2.7 \u53cc\u7f13\u51b2\u533a\u5f02\u6b65\u4efb\u52a1\u5904\u7406\u5668\u8bbe\u8ba1 looper.hpp<\/h3>\n<p>\u8bbe\u8ba1\u601d\u60f3&#xff1a;\u5f02\u6b65\u5904\u7406\u7ebf\u7a0b &#043; \u4efb\u52a1\u6c60&#xff08;\u53cc\u7f13\u51b2\u533a\u963b\u585e\u6570\u636e\u6c60&#xff09;<\/p>\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\u5b9e\u9645\u6267\u884c\u8fd9\u4e9b\u4efb\u52a1\u3002<\/li>\n<li>\u4efb\u52a1\u6c60\u91c7\u7528\u53cc\u7f13\u51b2\u533a\u8bbe\u8ba1&#xff0c;\u79f0\u4e3a\u201c\u53cc\u7f13\u51b2\u533a\u963b\u585e\u6570\u636e\u6c60\u201d\u3002<\/li>\n<\/ul>\n<hr \/>\n<p>\u53cc\u7f13\u51b2\u533a\u8bbe\u8ba1\u601d\u60f3:<\/p>\n<ul>\n<li>\n<p>\u901a\u8fc7\u4e24\u4e2a\u7f13\u51b2\u533a\u4ea4\u66ff\u4f7f\u7528&#xff1a;<\/p>\n<ul>\n<li>\u4e00\u7ec4\u7f13\u51b2\u533a\u7528\u4e8e\u751f\u4ea7\u8005&#xff08;\u4efb\u52a1\u6dfb\u52a0&#xff09;<\/li>\n<li>\u53e6\u4e00\u7ec4\u7f13\u51b2\u533a\u7528\u4e8e\u6d88\u8d39\u8005&#xff08;\u5f02\u6b65\u7ebf\u7a0b\u6267\u884c\u4efb\u52a1&#xff09;<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5f53\u6d88\u8d39\u8005\u5904\u7406\u5b8c\u5f53\u524d\u7f13\u51b2\u533a\u4e2d\u7684\u6240\u6709\u4efb\u52a1\u540e&#xff0c;\u4e0e\u751f\u4ea7\u8005\u7f13\u51b2\u533a\u4ea4\u6362\u89d2\u8272&#xff0c;\u7ee7\u7eed\u5904\u7406\u65b0\u4efb\u52a1\u3002<\/p>\n<\/li>\n<\/ul>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;vector&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cassert&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">namespace<\/span> Log<br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">BUFFER_DEFAULT_SIZE<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">BUFFER_THRESHOLD_SIZE<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">BUFFER_INCREMENT_SIZE<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Buffer<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">Buffer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">_buffer<\/span><span class=\"token punctuation\">(<\/span>BUFFER_DEFAULT_SIZE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_writer_idx<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_reader_idx<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">bool<\/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 keyword\">return<\/span> _reader_idx <span class=\"token operator\">&#061;&#061;<\/span> _writer_idx<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        size_t <span class=\"token function\">readAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> _writer_idx <span class=\"token operator\">&#8211;<\/span> _reader_idx<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        size_t <span class=\"token function\">writeAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> _buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> _writer_idx<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u7f13\u51b2\u533a<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">reset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> _reader_idx <span class=\"token operator\">&#061;<\/span> _writer_idx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">void<\/span> <span class=\"token function\">swap<\/span><span class=\"token punctuation\">(<\/span>Buffer <span class=\"token operator\">&amp;<\/span>buf<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">swap<\/span><span class=\"token punctuation\">(<\/span>buf<span class=\"token punctuation\">.<\/span>_buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">swap<\/span><span class=\"token punctuation\">(<\/span>_writer_idx<span class=\"token punctuation\">,<\/span> buf<span class=\"token punctuation\">.<\/span>_writer_idx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">swap<\/span><span class=\"token punctuation\">(<\/span>_reader_idx<span class=\"token punctuation\">,<\/span> buf<span class=\"token punctuation\">.<\/span>_reader_idx<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\">push<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>data<span class=\"token punctuation\">,<\/span> size_t len<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ 1 \u5982\u679c\u7a7a\u95f4\u4e0d\u591f\u5219\u8fdb\u884c\u6269\u5bb9\u64cd\u4f5c<\/span><br \/>\n            <span class=\"token function\">ensureEnoughSpace<\/span><span class=\"token punctuation\">(<\/span>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\">copy<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">,<\/span> data <span class=\"token operator\">&#043;<\/span> len<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>_buffer<span class=\"token punctuation\">[<\/span>_writer_idx<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _writer_idx <span class=\"token operator\">&#043;&#061;<\/span> len<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&amp;<\/span>_buffer<span class=\"token punctuation\">[<\/span>_reader_idx<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\">pop<\/span><span class=\"token punctuation\">(<\/span>size_t len<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>len <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token function\">readAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _reader_idx <span class=\"token operator\">&#043;&#061;<\/span> len<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">protected<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">ensureEnoughSpace<\/span><span class=\"token punctuation\">(<\/span>size_t len<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>len <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token function\">writeAbleSize<\/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><\/p>\n<p>            size_t new_capacity <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&#061;<\/span> BUFFER_THRESHOLD_SIZE<span class=\"token punctuation\">)<\/span><br \/>\n                new_capacity <span class=\"token operator\">&#061;<\/span> _buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">&#043;<\/span> len<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/*\u8fd9\u91cc\u9700\u8981\u52a0\u4e0alen \u56e0\u4e3a \u53ef\u80fd*2 \u4e4b\u540e\u6269\u5bb9\u7a7a\u95f4\u53ef\u80fd\u4ecd\u7136\u4e0d\u8db3*\/<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n                new_capacity <span class=\"token operator\">&#061;<\/span> _buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> BUFFER_INCREMENT_SIZE <span class=\"token operator\">&#043;<\/span> len<span class=\"token punctuation\">;<\/span><\/p>\n<p>            _buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">resize<\/span><span class=\"token punctuation\">(<\/span>new_capacity<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        std<span class=\"token double-colon punctuation\">::<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">char<\/span><span class=\"token operator\">&gt;<\/span> _buffer<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5b58\u653e\u683c\u5f0f\u5316\u540e\u5b57\u7b26\u4e32\u7684\u7f13\u51b2\u533a<\/span><br \/>\n        size_t _writer_idx<span class=\"token punctuation\">;<\/span>        <span class=\"token comment\">\/\/ buffer\u4e2d\u53ef\u5199\u4f4d\u7f6e\u7d22\u5f15<\/span><br \/>\n        size_t _reader_idx<span class=\"token punctuation\">;<\/span>        <span class=\"token comment\">\/\/ buffer\u4e2d\u8bfb\u5199\u4f4d\u7f6e\u7d22\u5f15<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<p>\u4f18\u52bf:<\/p>\n<ul>\n<li>\u907f\u514d\u7a7a\u95f4\u9891\u7e41\u7533\u8bf7\u4e0e\u91ca\u653e&#xff1a;\u7f13\u51b2\u533a\u7a7a\u95f4\u56fa\u5b9a\u590d\u7528&#xff0c;\u964d\u4f4e\u5185\u5b58\u5206\u914d\u5f00\u9500\u3002<\/li>\n<li>\u51cf\u5c11\u751f\u4ea7\u8005\u4e0e\u6d88\u8d39\u8005\u4e4b\u95f4\u9501\u51b2\u7a81\u6982\u7387&#xff1a; \u53cc\u7f13\u51b2\u533a\u51cf\u5c11\u4e86\u9891\u7e41\u9501\u7ade\u4e89\u7684\u573a\u666f&#xff0c;\u56e0\u4e3a\u4efb\u52a1\u662f\u6279\u91cf\u4ea4\u6362\u5904\u7406&#xff0c;\u800c\u4e0d\u662f\u4e00\u6761\u4e00\u6761\u5730\u9501\u64cd\u4f5c\u3002<\/li>\n<li>\u63d0\u9ad8\u4efb\u52a1\u5904\u7406\u6548\u7387&#xff1a;\u6279\u91cf\u5904\u7406\u51cf\u5c11\u540c\u6b65\u5f00\u9500\u3002<\/li>\n<\/ul>\n<hr \/>\n<p>\u8bbe\u8ba1\u5bf9\u6bd4:<\/p>\n<ul>\n<li>\u4f20\u7edf\u4efb\u52a1\u6c60\u8bbe\u8ba1\u5982\u5faa\u73af\u961f\u5217&#xff0c;\u867d\u7136\u7b80\u5355&#xff0c;\u4f46\u6bcf\u6b21\u4efb\u52a1\u6dfb\u52a0\u548c\u53d6\u51fa\u90fd\u6d89\u53ca\u9501\u51b2\u7a81\u3002<\/li>\n<li>\u53cc\u7f13\u51b2\u533a\u8bbe\u8ba1\u901a\u8fc7\u201c\u4ea4\u6362\u7f13\u51b2\u533a\u201d\u65b9\u5f0f&#xff0c;\u964d\u4f4e\u4e86\u9501\u7684\u4e89\u7528&#xff0c;\u63d0\u9ad8\u5e76\u53d1\u6027\u80fd\u3002<\/li>\n<\/ul>\n<hr \/>\n<p>\u603b\u7ed3:<\/p>\n<p>\u53cc\u7f13\u51b2\u533a\u963b\u585e\u6570\u636e\u6c60\u9002\u5408\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u573a\u666f&#xff0c;\u5c24\u5176\u5728\u5f02\u6b65\u65e5\u5fd7\u5904\u7406\u3001\u4efb\u52a1\u8c03\u5ea6\u7b49\u573a\u666f\u4e2d&#xff0c;\u80fd\u591f\u6709\u6548\u63d0\u5347\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u7387\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250811202926-689a52a62a045.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4efb\u52a1\u5904\u7406\u5668\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;buffer.hpp&#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;functional&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;atomic&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;mutex&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;condition_variable&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;memory&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;thread&gt;<\/span><\/span><br \/>\n<span class=\"token keyword\">namespace<\/span> Log<br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">enum<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">AsyncSafeType<\/span> <span class=\"token comment\">\/\/ \u8fd9\u91cc\u7528\u4e8e\u63a7\u5236\u751f\u4ea7\u6d88\u8d39buff\u662f\u5426\u662f\u6269\u5bb9<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span>                        <span class=\"token comment\">\/\/ \u5f53\u6570\u636e\u5f88\u5927\u65f6buff\u4e00\u76f4\u6269\u5bb9\u662f\u4e0d\u5b89\u5168\u7684<\/span><br \/>\n        SAFE<span class=\"token punctuation\">,<\/span><br \/>\n        UNSAFE<br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">AsyncLooper<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">using<\/span> Functor <span class=\"token operator\">&#061;<\/span> 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>Buffer <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">using<\/span> ptr <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>AsyncLooper<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token function\">AsyncLooper<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Functor <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">,<\/span> AsyncSafeType type <span class=\"token operator\">&#061;<\/span> AsyncSafeType<span class=\"token double-colon punctuation\">::<\/span>SAFE<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token operator\">:<\/span> <span class=\"token function\">_running<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_callback<\/span><span class=\"token punctuation\">(<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_thread<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">thread<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>AsyncLooper<span class=\"token double-colon punctuation\">::<\/span>worker_loop<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_looper_type<\/span><span class=\"token punctuation\">(<\/span>type<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 operator\">~<\/span><span class=\"token function\">AsyncLooper<\/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 punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">void<\/span> <span class=\"token function\">stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ exchange\u51fd\u6570\u539f\u5b50\u5730\u5c06\u53d8\u91cf\u8bbe\u7f6e\u4e3a\u4e00\u4e2a\u65b0\u503c&#xff0c;\u5e76\u8fd4\u56de\u539f\u6765\u7684\u65e7\u503c\u3002<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_running<span class=\"token punctuation\">.<\/span><span class=\"token function\">exchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u9632\u6b62\u91cd\u590d stop     <\/span><br \/>\n            _cums_cond<span class=\"token punctuation\">.<\/span><span class=\"token function\">notify_all<\/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>_thread<span class=\"token punctuation\">.<\/span><span class=\"token function\">joinable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                _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><\/p>\n<p>        <span class=\"token keyword\">void<\/span> <span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>data<span class=\"token punctuation\">,<\/span> size_t len<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u7531(\u4e3b\u7ebf\u7a0b)\u4e1a\u52a1\u7ebf\u7a0b\u8fdb\u884c<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_running <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>unique_lock<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>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u751f\u4ea7\u8005\u6761\u4ef6\u53d8\u91cf wait ,  lambda\u5982\u679c\u751f\u4ea7\u7f13\u51b2\u533a\u4e2d\u53ef\u5199\u6570\u636e\u5927\u4e8elen \u8fd4\u56detrue<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_looper_type <span class=\"token operator\">&#061;&#061;<\/span> AsyncSafeType<span class=\"token double-colon punctuation\">::<\/span>SAFE<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u5982\u679cAsy\u662f\u5b89\u5168\u7684\u5219\u9700\u8981\u8fdb\u884c \u5224\u65ad len\u7684\u5927\u5c0f\u662f\u5426\u7b26\u5408\u7f13\u51b2\u533a\u7684\u5bb9\u91cf<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    _prod_cond<span class=\"token punctuation\">.<\/span><span class=\"token function\">wait<\/span><span class=\"token punctuation\">(<\/span>lock<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                                    <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> _prod_buff<span class=\"token punctuation\">.<\/span><span class=\"token function\">writeAbleSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;&#061;<\/span> len<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>                _prod_buff<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u751f\u4ea7\u7f13\u51b2\u533a\u6709\u4e86\u6570\u636e\u540e&#xff0c;\u4fbf\u53ef\u4ee5\u5524\u9192\u6d88\u8d39\u8005<\/span><br \/>\n            <span class=\"token comment\">\/*\u4f7f\u7528 notify_all() \u662f\u4e3a\u4e86\u786e\u4fdd&#xff1a;<br \/>\n              \u6240\u6709\u7b49\u5f85\u7684\u7ebf\u7a0b\u5728 _running &#061;&#061; false \u65f6\u90fd\u80fd\u9000\u51fa&#xff1b;<br \/>\n              \u4fdd\u8bc1\u4e0d\u4f1a\u6709\u7ebf\u7a0b\u6c38\u8fdc\u963b\u585e\u5728 wait \u4e0a\u3002*\/<\/span><br \/>\n            _cums_cond<span class=\"token punctuation\">.<\/span><span class=\"token function\">notify_all<\/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\">worker_loop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u7531\u5de5\u4f5c\u7ebf\u7a0b\u6765\u8fdb\u884c<\/span><br \/>\n            <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    std<span class=\"token double-colon punctuation\">::<\/span>unique_lock<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>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token comment\">\/\/ \u5982\u679c\u751f\u4ea7\u7f13\u51b2\u533a\u4e2d\u4ecd\u7136\u6709\u6570\u636e\u5b58\u5728&#xff0c;\u90a3\u4e48\u4e0d\u80fd\u9000\u51fa \u800c\u662f\u8981\u7b49\u5230\u6570\u636e\u5168\u90e8\u5904\u7406\u5b8c\u5168\u624d\u53ef\u4ee5\u9000\u51fa<\/span><br \/>\n                    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_running <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span> <span class=\"token operator\">&amp;&amp;<\/span> _prod_buff<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><br \/>\n                        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token comment\">\/\/ \u6d88\u8d39\u8005\u6761\u4ef6\u53d8\u91cf wait ,   lambda\u5982\u679c\u751f\u4ea7\u7f13\u51b2\u533a\u4e0d\u4e3a\u7a7a(\u56e0\u4e3a\u7f13\u51b2\u533a\u6709\u6570\u636e\u9700\u8981\u8fdb\u884c\u5904\u7406) \u6216\u8005 _runing\u4e3afalse(\u8fd9\u91cc\u6211\u4eec\u9700\u8981\u5524\u9192\u6240\u6709\u7684\u7ebf\u7a0b) \u90a3\u4e48\u8fd4\u56detrue<\/span><br \/>\n                    _cums_cond<span class=\"token punctuation\">.<\/span><span class=\"token function\">wait<\/span><span class=\"token punctuation\">(<\/span>lock<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                                    <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token operator\">!<\/span>_prod_buff<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span>_running<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                    _cums_buff<span class=\"token punctuation\">.<\/span><span class=\"token function\">swap<\/span><span class=\"token punctuation\">(<\/span>_prod_buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u5524\u9192\u751f\u4ea7\u8005\u6761\u4ef6\u53d8\u91cf<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_looper_type <span class=\"token operator\">&#061;&#061;<\/span> AsyncSafeType<span class=\"token double-colon punctuation\">::<\/span>SAFE<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    _prod_cond<span class=\"token punctuation\">.<\/span><span class=\"token function\">notify_all<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u901a\u8fc7\u56de\u8c03\u51fd\u6570 \u5904\u7406\u6d88\u8d39\u7f13\u51b2\u533a\u4e2d\u7684\u6570\u636e<\/span><br \/>\n                <span class=\"token function\">_callback<\/span><span class=\"token punctuation\">(<\/span>_cums_buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u6d88\u8d39\u7f13\u51b2\u533a<\/span><br \/>\n                _cums_buff<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><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        Functor _callback<span class=\"token punctuation\">;<\/span><br \/>\n        AsyncSafeType _looper_type<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7528\u4e8e\u63a7\u5236\u7f13\u51b2\u533a\u662f\u5426\u6269\u5bb9<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>mutex _mutex<span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>atomic<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">bool<\/span><span class=\"token operator\">&gt;<\/span> _running<span class=\"token punctuation\">;<\/span>         <span class=\"token comment\">\/\/ \u63a7\u5236\u5f02\u6b65\u7ebf\u7a0b\u662f\u5426\u7ee7\u7eed\u8fd0\u884c\u6216\u5b89\u5168\u9000\u51fa&#xff0c;\u5b83\u662f\u5f02\u6b65\u7ebf\u7a0b\u751f\u547d\u5468\u671f\u4e2d\u7684\u4e00\u4e2a\u63a7\u5236\u6807\u5fd7<\/span><br \/>\n        Buffer _prod_buff<span class=\"token punctuation\">;<\/span>                  <span class=\"token comment\">\/\/ \u751f\u4ea7\u7f13\u51b2\u533a<\/span><br \/>\n        Buffer _cums_buff<span class=\"token punctuation\">;<\/span>                  <span class=\"token comment\">\/\/ \u6d88\u8d39\u7f13\u51b2\u533a<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>condition_variable _prod_cond<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u751f\u4ea7\u8005\u6761\u4ef6\u53d8\u91cf<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>condition_variable _cums_cond<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6d88\u8d39\u8005\u6761\u4ef6\u53d8\u91cf<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>thread _thread<span class=\"token punctuation\">;<\/span>                <span class=\"token comment\">\/\/ \u5de5\u4f5c\u7ebf\u7a0b,\u8fd9\u91cc\u867d\u7136\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u4f46\u662f\u540e\u7eed\u53ef\u4ee5\u5f15\u5165\u7ebf\u7a0b\u6c60\u7b49\u5f85&#xff0c;\u7b26\u5408\u6269\u5c55\u6027&#xff0c;\u4f46\u662f\u4e00\u4e2a\u65e5\u5fd7\u7cfb\u7edf\u5c31\u4e0d\u9700\u8981\u591a\u4e2a\u7ebf\u7a0b\u6765\u5b9e\u73b0<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>2.8 \u5f02\u6b65\u65e5\u5fd7\u5668\u8bbe\u8ba1 logger.hpp<\/h3>\n<p>\u5f02\u6b65\u65e5\u5fd7\u5668\u7684\u5b9e\u73b0\u653e\u5728\u4e86logger.hpp \u4e2d\u3002 \u5f02\u6b65\u65e5\u5fd7\u5668\u7c7b\u7ee7\u627f\u81ea\u65e5\u5fd7\u5668&#xff08;Logger&#xff09;\u7c7b&#xff0c;\u5e76\u5728\u540c\u6b65\u65e5\u5fd7\u5668\u57fa\u7840\u4e0a\u6269\u5c55\u4e86\u5f02\u6b65\u6d88\u606f\u5904\u7406\u529f\u80fd\u3002<\/p>\n<hr \/>\n<p>\u4e3b\u8981\u529f\u80fd<\/p>\n<ul>\n<li>\n<p>\u5f02\u6b65\u65e5\u5fd7\u8f93\u51fa \u901a\u8fc7\u5f02\u6b65\u6d88\u606f\u5904\u7406\u5668\u5c06\u65e5\u5fd7\u6570\u636e\u5f02\u6b65\u5199\u5165&#xff0c;\u907f\u514d\u963b\u585e\u8c03\u7528\u7ebf\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p>\u5f02\u6b65\u65e5\u5fd7\u5668\u548c\u6d88\u606f\u5904\u7406\u5668 \u9700\u8981\u540c\u65f6\u521b\u5efa\u5f02\u6b65\u65e5\u5fd7\u5668\u5bf9\u8c61\u548c\u5bf9\u5e94\u7684\u6d88\u606f\u5904\u7406\u5668\u3002<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<p>\u5173\u952e\u51fd\u6570<\/p>\n<table>\n<tr>\u51fd\u6570\u540d\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>logsink<\/td>\n<td>\u91cd\u5199\u81ea Logger \u7c7b&#xff0c;\u5c06\u65e5\u5fd7\u6570\u636e\u52a0\u5165\u5f02\u6b65\u961f\u5217\u7f13\u51b2\u533a\u4e2d&#xff08;\u5f02\u6b65\u53d1\u9001&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>realLog<\/td>\n<td>\u7531\u5f02\u6b65\u7ebf\u7a0b\u8c03\u7528&#xff08;\u5f02\u6b65\u6d88\u606f\u5904\u7406\u5668\u7684\u56de\u8c03\u51fd\u6570&#xff09;&#xff0c;\u5b8c\u6210\u65e5\u5fd7\u7684\u5b9e\u9645\u843d\u5730<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<p>\u4f7f\u7528\u6d41\u7a0b<\/p>\n<li>\u521b\u5efa\u5f02\u6b65\u65e5\u5fd7\u5668\u548c\u5f02\u6b65\u6d88\u606f\u5904\u7406\u5668\u3002<\/li>\n<li>\u8c03\u7528\u5f02\u6b65\u65e5\u5fd7\u5668\u7684 log\u3001error\u3001info\u3001fatal \u7b49\u65b9\u6cd5\u8f93\u51fa\u4e0d\u540c\u7ea7\u522b\u7684\u65e5\u5fd7\u3002<\/li>\n<li>\u65e5\u5fd7\u6d88\u606f\u88ab\u52a0\u5165\u7f13\u51b2\u533a&#xff0c;\u7531\u5f02\u6b65\u7ebf\u7a0b\u8c03\u7528 realLog \u8fdb\u884c\u5b9e\u9645\u5199\u5165\u6216\u843d\u5730\u3002<\/li>\n<hr \/>\n<p> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">AsyncLogger<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Logger<\/span><\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">using<\/span> ptr <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>AsyncLogger<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">AsyncLogger<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>value limit_level<span class=\"token punctuation\">,<\/span> Formatter<span class=\"token double-colon punctuation\">::<\/span>ptr formatter<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>LogSink<span class=\"token double-colon punctuation\">::<\/span>ptr<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&amp;<\/span>sinks<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string logger_name<span class=\"token punctuation\">,<\/span> AsyncSafeType <span class=\"token operator\">&amp;<\/span>async_type<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token operator\">:<\/span> <span class=\"token function\">Logger<\/span><span class=\"token punctuation\">(<\/span>limit_level<span class=\"token punctuation\">,<\/span> formatter<span class=\"token punctuation\">,<\/span> sinks<span class=\"token punctuation\">,<\/span> logger_name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u8fd9 \u4e0d\u662f\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 Logger \u5bf9\u8c61&#xff0c;\u800c\u662f \u521d\u59cb\u5316 SyncLogger \u4f5c\u4e3a Logger \u5b50\u7c7b\u4e2d\u7ee7\u627f\u6765\u7684\u90a3\u4e00\u90e8\u5206\u3002<\/span><br \/>\n              <span class=\"token function\">_looper<\/span><span class=\"token punctuation\">(<\/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>AsyncLooper<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>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>AsyncLogger<span class=\"token double-colon punctuation\">::<\/span>readLog<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 punctuation\">,<\/span> async_type<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/std::cout &lt;&lt; &#034;\u5f02\u6b65\u65e5\u5fd7\u5668:&#034; &lt;&lt; logger_name &lt;&lt; &#034;\u521b\u9020\u6210\u529f&#8230;\\\\n&#034;;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">void<\/span> <span class=\"token function\">logSink<\/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>Msg<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">override<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _looper<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">push<\/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\">size<\/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>        <span class=\"token keyword\">void<\/span> <span class=\"token function\">readLog<\/span><span class=\"token punctuation\">(<\/span>Buffer <span class=\"token operator\">&amp;<\/span>buffer<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_sinks<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><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u843d\u5730\u6570\u7ec4\u4e3a\u7a7a&#xff01;&#xff01;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/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>sn <span class=\"token operator\">:<\/span> _sinks<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                sn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">readAbleSize<\/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><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        AsyncLooper<span class=\"token double-colon punctuation\">::<\/span>ptr _looper<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5f02\u6b65\u65e5\u5fd7\u5904\u7406\u5668<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h3>2.9 \u5355\u4f8b\u65e5\u5fd7\u5668\u7ba1\u7406\u7c7b\u8bbe\u8ba1&#xff08;\u5355\u4f8b\u6a21\u5f0f&#xff09;logger.hpp<\/h3>\n<hr \/>\n<p>\u4e3a\u4e86\u5728\u4efb\u610f\u4f4d\u7f6e\u90fd\u80fd\u65b9\u4fbf\u5730\u8f93\u51fa\u65e5\u5fd7&#xff0c;\u907f\u514d\u65e5\u5fd7\u5668\u5bf9\u8c61\u4f5c\u7528\u57df\u548c\u8bbf\u95ee\u6743\u9650\u7684\u9650\u5236&#xff0c;\u6211\u4eec\u8bbe\u8ba1\u4e86\u65e5\u5fd7\u5668\u7ba1\u7406\u7c7b\u3002<\/p>\n<hr \/>\n<p>\u8bbe\u8ba1\u601d\u60f3&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u5355\u4f8b\u6a21\u5f0f \u65e5\u5fd7\u5668\u7ba1\u7406\u7c7b\u8bbe\u8ba1\u4e3a\u5355\u4f8b&#xff0c;\u786e\u4fdd\u5168\u5c40\u552f\u4e00\u5b9e\u4f8b&#xff0c;\u65b9\u4fbf\u4efb\u610f\u4f4d\u7f6e\u8bbf\u95ee\u3002<\/p>\n<\/li>\n<li>\n<p>\u5168\u5c40\u65e5\u5fd7\u5668\u7ba1\u7406 \u901a\u8fc7\u7ba1\u7406\u5668\u5355\u4f8b&#xff0c;\u80fd\u591f\u6839\u636e\u65e5\u5fd7\u5668\u540d\u79f0\u83b7\u53d6\u6307\u5b9a\u7684\u65e5\u5fd7\u5668\u5bf9\u8c61&#xff0c;\u8fdb\u884c\u65e5\u5fd7\u8f93\u51fa\u3002<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<p>\u7ed3\u5408\u65e5\u5fd7\u5668\u5efa\u9020\u8005<\/p>\n<ul>\n<li>\u7ee7\u627f\u65e5\u5fd7\u5668\u5efa\u9020\u8005\u7c7b&#xff0c;\u8bbe\u8ba1\u4e00\u4e2a\u5168\u5c40\u65e5\u5fd7\u5668\u5efa\u9020\u8005\u7c7b\u3002<\/li>\n<li>\u5728\u65e5\u5fd7\u5668\u521b\u5efa\u5b8c\u6210\u540e&#xff0c;\u81ea\u52a8\u5c06\u5176\u6dfb\u52a0\u5230\u5355\u4f8b\u7684\u65e5\u5fd7\u5668\u7ba1\u7406\u5668\u4e2d\u3002<\/li>\n<li>\u8fd9\u6837&#xff0c;\u521b\u5efa\u7684\u65e5\u5fd7\u5668\u53ef\u5168\u5c40\u8bbf\u95ee&#xff0c;\u65e0\u9700\u624b\u52a8\u7ba1\u7406\u751f\u547d\u5468\u671f\u3002<\/li>\n<\/ul>\n<hr \/>\n<p>\u4f18\u70b9<\/p>\n<ul>\n<li>\u7a81\u7834\u8bbf\u95ee\u57df\u9650\u5236&#xff0c;\u65e5\u5fd7\u5668\u968f\u65f6\u53ef\u7528\u3002<\/li>\n<li>\u7edf\u4e00\u7ba1\u7406\u65e5\u5fd7\u5668&#xff0c;\u65b9\u4fbf\u7ef4\u62a4\u548c\u6269\u5c55\u3002<\/li>\n<li>\u4fdd\u6301\u4ee3\u7801\u4f18\u96c5\u548c\u9ad8\u5185\u805a\u3002<\/li>\n<\/ul>\n<hr \/>\n<p>\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p>    <span class=\"token comment\">\/\/ \u65e5\u5fd7\u7ba1\u7406\u5668<\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LoggerManager<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">static<\/span> LoggerManager <span class=\"token operator\">&amp;<\/span><span class=\"token function\">getInstance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5728c&#043;&#043;11\u4e4b\u540e&#xff0c;\u9488\u5bf9\u9759\u6001\u5c40\u90e8\u53d8\u91cf&#xff0c;\u7f16\u8bd1\u5668\u5728\u7f16\u8bd1\u7684\u5c42\u9762\u5b9e\u73b0\u4e86\u7ebf\u7a0b\u5b89\u5168<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5f53\u9759\u6001\u5c40\u90e8\u53d8\u91cf\u5728\u6ca1\u6709\u6784\u9020\u5b8c\u5168\u4e4b\u524d&#xff0c;\u5176\u5b83\u7684\u7ebf\u7a0b\u8fdb\u5165\u5c31\u4f1a\u963b\u585e<\/span><br \/>\n            <span class=\"token keyword\">static<\/span> LoggerManager lm<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> lm<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u7981\u6b62\u62f7\u8d1d\u548c\u8d4b\u503c<\/span><br \/>\n        <span class=\"token function\">LoggerManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> LoggerManager <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        LoggerManager <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> LoggerManager <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 keyword\">void<\/span> <span class=\"token function\">addLogger<\/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>name<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> Log<span class=\"token double-colon punctuation\">::<\/span>Logger<span class=\"token double-colon punctuation\">::<\/span>ptr new_logger<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>unique_lock<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>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _loggers<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span>name<span class=\"token punctuation\">,<\/span> new_logger<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\">bool<\/span> <span class=\"token function\">hasLogger<\/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>name<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>unique_lock<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>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> _loggers<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>it <span class=\"token operator\">&#061;&#061;<\/span> _loggers<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        Logger<span class=\"token double-colon punctuation\">::<\/span>ptr <span class=\"token function\">getLogger<\/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>name<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>unique_lock<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>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> _loggers<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>it <span class=\"token operator\">&#061;&#061;<\/span> _loggers<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Logger<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">ptr<\/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\">return<\/span> it<span class=\"token operator\">-&gt;<\/span>second<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/\u82e5\u8fd4\u56de\u7684\u662f\u5f15\u7528&#xff0c;\u6307\u5411\u5185\u90e8 _default_logger \u7684\u771f\u5b9e\u5bf9\u8c61\u3002\u8fd9\u610f\u5473\u7740\u8c03\u7528\u65b9\u53ef\u4ee5\u4fee\u6539\u5b83\u7684\u6307\u9488\u672c\u8eab<\/span><br \/>\n        Logger<span class=\"token double-colon punctuation\">::<\/span>ptr <span class=\"token function\">getDefaultLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>unique_lock<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>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> _default_logger<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 function\">LoggerManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8fd9\u91cc\u4e00\u5b9a\u8981\u662fLocalBuilder \u5426\u5219\u4f1a\u9677\u5165\u5faa\u73af\u5361\u6b7b&#xff0c;\u56e0\u4e3a\u4e0b\u9762\u4f1a\u8c03\u7528build()<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>LocalLoggerBuilder<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">LocalLoggerBuilder<\/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 operator\">-&gt;<\/span><span class=\"token function\">buildloggerName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;default&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _default_logger <span class=\"token operator\">&#061;<\/span> builder<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _loggers<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;default&#034;<\/span><span class=\"token punctuation\">,<\/span> _default_logger<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 operator\">~<\/span><span class=\"token function\">LoggerManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">default<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>mutex _mutex<span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>unordered_map<span class=\"token operator\">&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token punctuation\">,<\/span> Logger<span class=\"token double-colon punctuation\">::<\/span>ptr<span class=\"token operator\">&gt;<\/span> _loggers<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7ba1\u7406\u65e5\u5fd7\u5668map<\/span><br \/>\n        Logger<span class=\"token double-colon punctuation\">::<\/span>ptr _default_logger<span class=\"token punctuation\">;<\/span>                           <span class=\"token comment\">\/\/ \u9ed8\u8ba4\u65e5\u5fd7\u5668<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u4e3a\u4ec0\u4e48\u6211\u8981\u628a\u65e5\u5fd7\u5668\u7ba1\u7406\u7c7b \u548c \u65e5\u5fd7\u5668\u5efa\u9020\u8005\u7c7b\u653e\u5230\u4e00\u8d77&#xff1f;&#xff1f;<\/p>\n<ul>\n<li>\u5c06\u65e5\u5fd7\u5668\u7ba1\u7406\u7c7b\u548c\u65e5\u5fd7\u5668\u5efa\u9020\u8005\u7c7b\u653e\u5230\u4e00\u8d77\u5b9e\u73b0&#xff0c;\u662f\u4e3a\u4e86\u65b9\u4fbf\u6a21\u5757\u95f4\u7684\u8c03\u7528\u534f\u4f5c\u3001\u51cf\u5c11\u4ee3\u7801\u8026\u5408\u590d\u6742\u5ea6&#xff0c;\u4fbf\u4e8e\u7ef4\u62a4\u548c\u751f\u547d\u5468\u671f\u7edf\u4e00\u7ba1\u7406\u3002\u8fd9\u662f\u4e00\u79cd\u5408\u7406\u7684\u5de5\u7a0b\u5b9e\u8df5&#xff0c;\u4f7f\u65e5\u5fd7\u7cfb\u7edf\u8bbe\u8ba1\u66f4\u52a0\u7d27\u51d1\u3001\u9ad8\u6548\u3001\u6613\u6269\u5c55\u3002<\/li>\n<li>\u5e76\u4e14\u8fd9\u91cc\u6211\u5b9e\u73b0\u7684\u7ba1\u7406\u7c7b\u548c\u5efa\u9020\u8005 \u90fd\u6709\u76f8\u4e92\u8c03\u7528&#xff0c;\u82e5\u5206\u5f00\u4e24\u4e2a\u6587\u4ef6\u5b9e\u73b0&#xff0c;\u5219\u4f1a\u51fa\u73b0 \u5faa\u73af\u5305\u542b \u95ee\u9898\u3002<\/li>\n<\/ul>\n<h3>2.10 \u65e5\u5fd7\u5b8f&amp;\u5168\u5c40\u63a5\u2f1d\u8bbe\u8ba1&#xff08;\u4ee3\u7406\u6a21\u5f0f&#xff09;log.h<\/h3>\n<ul>\n<li>\u63d0\u4f9b\u5168\u5c40\u65e5\u5fd7\u5668\u83b7\u53d6\u63a5\u53e3&#xff0c;\u7b80\u5316\u7528\u6237\u64cd\u4f5c\u3002<\/li>\n<li>\u4f7f\u7528\u4ee3\u7406\u6a21\u5f0f&#xff0c;\u901a\u8fc7\u5168\u5c40\u51fd\u6570\u6216\u5b8f\u51fd\u6570\u4ee3\u7406 Logger \u7c7b\u7684\u5404\u79cd\u65e5\u5fd7\u63a5\u53e3&#xff1a; log\u3001debug\u3001info\u3001warn\u3001error\u3001fatal\u3002<\/li>\n<li>\u81ea\u52a8\u6355\u83b7\u6e90\u7801\u6587\u4ef6\u540d\u548c\u884c\u53f7&#xff0c;\u65b9\u4fbf\u8c03\u8bd5\u548c\u5b9a\u4f4d\u3002<\/li>\n<li>\u652f\u6301\u901a\u8fc7\u4e3b\u65e5\u5fd7\u5668\u8fdb\u884c\u6807\u51c6\u8f93\u51fa\u65e5\u5fd7\u3002<\/li>\n<li>\u7528\u6237\u53ea\u9700\u901a\u8fc7\u5b8f\u51fd\u6570\u5373\u53ef\u8f7b\u677e\u6253\u5370\u65e5\u5fd7&#xff0c;\u64cd\u4f5c\u7b80\u5355\u65b9\u4fbf<\/li>\n<\/ul>\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\">&#034;logger.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">namespace<\/span> Log<br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u63d0\u4f9b\u83b7\u53d6\u6307\u5b9a\u65e5\u5fd7\u5668\u7684\u5168\u5c40\u63a5\u53e3<\/span><br \/>\n    Logger<span class=\"token double-colon punctuation\">::<\/span>ptr <span class=\"token function\">getlLogger<\/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>name<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">LoggerManager<\/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><span class=\"token function\">getLogger<\/span><span class=\"token punctuation\">(<\/span>name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    Logger<span class=\"token double-colon punctuation\">::<\/span>ptr <span class=\"token function\">getDefaultLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">LoggerManager<\/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><span class=\"token function\">getDefaultLogger<\/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\">\/\/ \u4f7f\u7528\u5b8f\u51fd\u6570\u5bf9\u65e5\u5fd7\u5668\u7684\u63a5\u53e3\u4ee3\u7406<\/span><br \/>\n    <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">debug<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>fmt<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 function\">debug<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">__FILE__<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">__LINE__<\/span><span class=\"token punctuation\">,<\/span> fmt<span class=\"token punctuation\">,<\/span> <\/span><span class=\"token punctuation\">##<\/span><span class=\"token expression\">__VA_ARGS__<span class=\"token punctuation\">)<\/span><\/span><\/span><br \/>\n    <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">info<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>fmt<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 function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">__FILE__<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">__LINE__<\/span><span class=\"token punctuation\">,<\/span> fmt<span class=\"token punctuation\">,<\/span> <\/span><span class=\"token punctuation\">##<\/span><span class=\"token expression\">__VA_ARGS__<span class=\"token punctuation\">)<\/span><\/span><\/span><br \/>\n    <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">warn<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>fmt<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 function\">warn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">__FILE__<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">__LINE__<\/span><span class=\"token punctuation\">,<\/span> fmt<span class=\"token punctuation\">,<\/span> <\/span><span class=\"token punctuation\">##<\/span><span class=\"token expression\">__VA_ARGS__<span class=\"token punctuation\">)<\/span><\/span><\/span><br \/>\n    <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">error<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>fmt<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 function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">__FILE__<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">__LINE__<\/span><span class=\"token punctuation\">,<\/span> fmt<span class=\"token punctuation\">,<\/span> <\/span><span class=\"token punctuation\">##<\/span><span class=\"token expression\">__VA_ARGS__<span class=\"token punctuation\">)<\/span><\/span><\/span><br \/>\n    <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">fatal<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>fmt<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 function\">fatal<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">__FILE__<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">__LINE__<\/span><span class=\"token punctuation\">,<\/span> fmt<span class=\"token punctuation\">,<\/span> <\/span><span class=\"token punctuation\">##<\/span><span class=\"token expression\">__VA_ARGS__<span class=\"token punctuation\">)<\/span><\/span><\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u63d0\u4f9b\u5b8f\u51fd\u6570 \u63d0\u4f9b\u9ed8\u8ba4\u65e5\u5fd7\u5668\u8fdb\u884c\u65e5\u5fd7\u7684\u6807\u51c6\u8f93\u51fa\u6253\u5370<\/span><br \/>\n    <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">DEBUG<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>fmt<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 function\">getDefaultLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">debug<\/span><span class=\"token punctuation\">(<\/span>fmt<span class=\"token punctuation\">,<\/span><\/span><span class=\"token punctuation\">##<\/span><span class=\"token expression\">__VA_ARGS__<span class=\"token punctuation\">)<\/span><\/span><\/span><br \/>\n    <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">INFO<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>fmt<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 function\">getDefaultLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span>fmt<span class=\"token punctuation\">,<\/span><\/span><span class=\"token punctuation\">##<\/span><span class=\"token expression\">__VA_ARGS__<span class=\"token punctuation\">)<\/span><\/span><\/span><br \/>\n    <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">WARN<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>fmt<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 function\">getDefaultLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span>fmt<span class=\"token punctuation\">,<\/span><\/span><span class=\"token punctuation\">##<\/span><span class=\"token expression\">__VA_ARGS__<span class=\"token punctuation\">)<\/span><\/span><\/span><br \/>\n    <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">ERROR<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>fmt<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 function\">getDefaultLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span>fmt<span class=\"token punctuation\">,<\/span><\/span><span class=\"token punctuation\">##<\/span><span class=\"token expression\">__VA_ARGS__<span class=\"token punctuation\">)<\/span><\/span><\/span><br \/>\n    <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">FATAL<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>fmt<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 function\">getDefaultLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">fatal<\/span><span class=\"token punctuation\">(<\/span>fmt<span class=\"token punctuation\">,<\/span><\/span><span class=\"token punctuation\">##<\/span><span class=\"token expression\">__VA_ARGS__<span class=\"token punctuation\">)<\/span><\/span><\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>\u4f7f\u7528\u6837\u4f8b<\/h3>\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;..\/log\/log.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>unique_ptr<span class=\"token operator\">&lt;<\/span>Log<span class=\"token double-colon punctuation\">::<\/span>GlobalLoggerBuilder<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Log<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">GlobalLoggerBuilder<\/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 operator\">-&gt;<\/span><span class=\"token function\">buildloggerName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;async_logger&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    builder<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">buildLoggerType<\/span><span class=\"token punctuation\">(<\/span>Log<span class=\"token double-colon punctuation\">::<\/span>BuildType<span class=\"token double-colon punctuation\">::<\/span>LOGGER_ASYNC<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    builder<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">buildAsyncUnSafe<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    builder<span class=\"token operator\">-&gt;<\/span><span class=\"token generic-function\"><span class=\"token function\">buildsink<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>Log<span class=\"token double-colon punctuation\">::<\/span>StdOutSink<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    builder<span class=\"token operator\">-&gt;<\/span><span class=\"token generic-function\"><span class=\"token function\">buildsink<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>Log<span class=\"token double-colon punctuation\">::<\/span>FileSink<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;.\/logfile\/async.log&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    builder<span class=\"token operator\">-&gt;<\/span><span class=\"token generic-function\"><span class=\"token function\">buildsink<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>Log<span class=\"token double-colon punctuation\">::<\/span>RollBySizeSink<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;.\/logfile\/roll-&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1024<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    builder<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    Log<span class=\"token double-colon punctuation\">::<\/span>Logger<span class=\"token double-colon punctuation\">::<\/span>ptr logger <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Log<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">getlLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;async_logger&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    logger<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">debug<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%s&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u6d4b\u8bd5\u5168\u5c40\u63a5\u53e3&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    logger<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%s&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u6d4b\u8bd5\u5168\u5c40\u63a5\u53e3&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    logger<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%s&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u6d4b\u8bd5\u5168\u5c40\u63a5\u53e3&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    logger<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%s&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u6d4b\u8bd5\u5168\u5c40\u63a5\u53e3&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    logger<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">fatal<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%s&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u6d4b\u8bd5\u5168\u5c40\u63a5\u53e3&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u4e09\u3001\u6027\u80fd\u6d4b\u8bd5\u4ee3\u7801 bench.h<\/h2>\n<p>\u6d4b\u8bd5\u65e5\u5fd7\u7cfb\u7edf\u5728\u4e0d\u540c\u6a21\u5f0f\u4e0b&#xff08;\u540c\u6b65\/\u5f02\u6b65 &amp; \u5355\u7ebf\u7a0b\/\u591a\u7ebf\u7a0b&#xff09;\u5e73\u5747\u6bcf\u79d2\u80fd\u591f\u6253\u5370\u591a\u5c11\u6761\u65e5\u5fd7\u6d88\u606f\u5230\u6587\u4ef6\u3002<\/p>\n<p>\u6d4b\u8bd5\u6307\u6807<\/p>\n<ul>\n<li>\u6253\u5370\u65e5\u5fd7\u603b\u6761\u6570&#xff1a;100\u4e07&#043;\u6761\u6307\u5b9a\u957f\u5ea6\u7684\u65e5\u5fd7<\/li>\n<li>\u603b\u6253\u5370\u8017\u65f6&#xff08;\u79d2&#xff09;<\/li>\n<li>\u6bcf\u79d2\u6253\u5370\u65e5\u5fd7\u6761\u6570 &#061; \u6253\u5370\u65e5\u5fd7\u6761\u6570 \/ \u603b\u8017\u65f6<\/li>\n<li>\u6bcf\u79d2\u6253\u5370\u65e5\u5fd7\u5927\u5c0f&#xff08;KB&#xff09;&#061; \u65e5\u5fd7\u6761\u6570 \u00d7 \u5355\u6761\u65e5\u5fd7\u5927\u5c0f \/ \u603b\u8017\u65f6 \/ 1024 \/ 1024<\/li>\n<\/ul>\n<hr \/>\n<p>\u6d4b\u8bd5\u8981\u7d20<\/p>\n<table>\n<tr>\u6d4b\u8bd5\u6a21\u5f0f\u63cf\u8ff0<\/tr>\n<tbody>\n<tr>\n<td>\u540c\u6b65<\/td>\n<td>\u65e5\u5fd7\u5199\u5165\u4e3a\u540c\u6b65\u65b9\u5f0f<\/td>\n<\/tr>\n<tr>\n<td>\u5f02\u6b65<\/td>\n<td>\u65e5\u5fd7\u5199\u5165\u4e3a\u5f02\u6b65\u65b9\u5f0f<\/td>\n<\/tr>\n<tr>\n<td>\u5355\u7ebf\u7a0b<\/td>\n<td>\u5355\u4e2a\u7ebf\u7a0b\u5199\u65e5\u5fd7<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u7ebf\u7a0b<\/td>\n<td>\u591a\u7ebf\u7a0b\u5e76\u53d1\u5199\u65e5\u5fd7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<p>\u6d4b\u8bd5\u73af\u5883<\/p>\n<table>\n<tr>\u786c\u4ef6 \/ \u8f6f\u4ef6\u914d\u7f6e<\/tr>\n<tbody>\n<tr>\n<td>CPU<\/td>\n<td>AMD Ryzen 7 7840H w\/ Radeon 780M Graphics 3.801 GHz<\/td>\n<\/tr>\n<tr>\n<td>\u5185\u5b58&#xff08;RAM&#xff09;<\/td>\n<td>8GB DDR5 5600<\/td>\n<\/tr>\n<tr>\n<td>\u5b58\u50a8&#xff08;ROM&#xff09;<\/td>\n<td>512G SSD<\/td>\n<\/tr>\n<tr>\n<td>\u64cd\u4f5c\u7cfb\u7edf OS<\/td>\n<td>Centos7.6 \u4e91\u670d\u52a1\u5668&#xff08;2\u6838\/2G\u5185\u5b58&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5907\u6ce8<\/p>\n<ul>\n<li>\u6d4b\u8bd5\u5e94\u591a\u6b21\u8fd0\u884c\u53d6\u5e73\u5747\u503c&#xff0c;\u51cf\u5c11\u5076\u7136\u8bef\u5dee\u3002<\/li>\n<li>\u591a\u7ebf\u7a0b\u6d4b\u8bd5\u65f6&#xff0c;\u7ebf\u7a0b\u6570\u9700\u8981\u660e\u786e\u3002<\/li>\n<li>\u6ce8\u610f\u78c1\u76d8IO\u548cCPU\u8d44\u6e90\u7684\u74f6\u9888\u5f71\u54cd\u3002<\/li>\n<\/ul>\n<p>\u6d4b\u8bd5\u4ee3\u7801\u5b9e\u73b0&#xff1a; bench.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\">&#034;..\/log\/log.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;chrono&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;vector&gt;<\/span><\/span><br \/>\n<span class=\"token keyword\">namespace<\/span> Log<br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">bench<\/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>name<span class=\"token punctuation\">,<\/span> size_t thread_num<span class=\"token punctuation\">,<\/span> size_t msg_count<span class=\"token punctuation\">,<\/span> size_t msg_len<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ 1.\u83b7\u53d6\u65e5\u5fd7\u5668<\/span><br \/>\n        Log<span class=\"token double-colon punctuation\">::<\/span>Logger<span class=\"token double-colon punctuation\">::<\/span>ptr lg <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getlLogger<\/span><span class=\"token punctuation\">(<\/span>name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>lg<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ 2. \u7ec4\u7ec7\u6307\u5b9a\u957f\u5ea6\u7684\u65e5\u5fd7\u6d88\u606f<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token function\">msg<\/span><span class=\"token punctuation\">(<\/span>msg_len<span class=\"token punctuation\">,<\/span> <span class=\"token char\">&#039;M&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ 3. \u521b\u9020\u6307\u5b9a\u4e2a\u6570\u7ebf\u7a0b<\/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><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u8f93\u5165\u7ebf\u7a0b\u6570\u91cf: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> thread_num <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;  \u8f93\u51fa\u65e5\u5fd7\u6570\u91cf: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> msg_count <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;  \u8f93\u51fa\u603b\u65e5\u5fd7\u5927\u5c0f: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> msg_len <span class=\"token operator\">*<\/span> msg_count <span class=\"token operator\">\/<\/span> <span class=\"token number\">1024<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">1024<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;MB&#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        std<span class=\"token double-colon punctuation\">::<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">double<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">cost_time<\/span><span class=\"token punctuation\">(<\/span>thread_num<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>            <span class=\"token comment\">\/\/ \u8be5vector \u4fdd\u5b58\u6bcf\u4e2a\u7ebf\u7a0b\u7684\u8017\u65f6 \u65f6\u95f4<\/span><br \/>\n        size_t msg_count_per_thread <span class=\"token operator\">&#061;<\/span> msg_count <span class=\"token operator\">\/<\/span> thread_num<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6bcf\u4e2a\u7ebf\u7a0b\u8981\u5199\u65e5\u5fd7\u7684\u4e2a\u6570<\/span><\/p>\n<p>        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> thread_num<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ emplace_back\u76f4\u63a5\u5728 vector \u5185\u90e8\u6784\u9020\u8fd9\u4e2a\u7ebf\u7a0b\u5bf9\u8c61&#xff0c;\u66f4\u9ad8\u6548&#xff0c;\u65e0\u989d\u5916 move \u6784\u9020&#xff1b;<\/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 operator\">&amp;<\/span><span class=\"token punctuation\">,<\/span> i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                                 <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ 4. \u7ebf\u7a0b\u51fd\u6570\u5185\u90e8\u5f00\u59cb\u8ba1\u65f6<\/span><\/p>\n<p>                <span class=\"token keyword\">auto<\/span> start <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>chrono<span class=\"token double-colon punctuation\">::<\/span>high_resolution_clock<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ 5. \u5faa\u574f\u5199\u65e5\u5fd7<\/span><br \/>\n                <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span>size_t j <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> j <span class=\"token operator\">&lt;<\/span> msg_count_per_thread<span class=\"token punctuation\">;<\/span> j<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    lg<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">fatal<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%s&#034;<\/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><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token comment\">\/\/ 6. \u7ebf\u7a0b\u51fd\u6570\u7ed3\u675f\u8ba1\u65f6    <\/span><br \/>\n                <span class=\"token keyword\">auto<\/span> end <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>chrono<span class=\"token double-colon punctuation\">::<\/span>high_resolution_clock<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">auto<\/span> cost <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>chrono<span class=\"token double-colon punctuation\">::<\/span><span class=\"token generic-function\"><span class=\"token function\">duration_cast<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>chrono<span class=\"token double-colon punctuation\">::<\/span>duration<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">double<\/span><span class=\"token operator\">&gt;&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>end <span class=\"token operator\">&#8211;<\/span> start<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                cost_time<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> cost<span class=\"token punctuation\">.<\/span><span class=\"token function\">count<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">auto<\/span> avg <span class=\"token operator\">&#061;<\/span> msg_count_per_thread <span class=\"token operator\">\/<\/span> cost_time<span class=\"token punctuation\">[<\/span>i<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;\u7ebf\u7a0b&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> i  <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; \u8017\u65f6&#xff1a;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> cost<span class=\"token punctuation\">.<\/span><span class=\"token function\">count<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;s&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<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><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>thr <span class=\"token operator\">:<\/span> threads<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            thr<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 comment\">\/\/ 7. \u8ba1\u7b97\u603b\u8017\u65f6<\/span><br \/>\n        <span class=\"token keyword\">double<\/span> max_cost <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/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> cost <span class=\"token operator\">:<\/span> cost_time<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            max_cost <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>max_cost <span class=\"token operator\">&lt;<\/span> cost <span class=\"token operator\">?<\/span> cost <span class=\"token operator\">:<\/span> max_cost<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u603b\u6d88\u8017\u65f6\u95f4: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> max_cost <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;s&#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        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u5e73\u5747\u6bcf\u79d2\u8f93\u51fa: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token punctuation\">(<\/span>size_t<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">(<\/span>msg_count <span class=\"token operator\">\/<\/span> max_cost<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u6761\u65e5\u5fd7&#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        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u5e73\u5747\u6bcf\u79d2\u8f93\u51fa: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token punctuation\">(<\/span>size_t<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">(<\/span>msg_len <span class=\"token operator\">*<\/span> msg_count <span class=\"token operator\">\/<\/span> max_cost <span class=\"token operator\">\/<\/span> <span class=\"token number\">1024<\/span><span class=\"token operator\">\/<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;MB&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>bench.cc<\/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;bench.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;..\/log\/log.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">sync_bench_thread_log<\/span><span class=\"token punctuation\">(<\/span>size_t thread_count<span class=\"token punctuation\">,<\/span> size_t msg_count<span class=\"token punctuation\">,<\/span> size_t msglen<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> num <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string logger_name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;sync_bench_logger&#034;<\/span> <span class=\"token operator\">&#043;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>num<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;************************************************\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u540c\u6b65\u65e5\u5fd7\u6d4b\u8bd5: %d threads, %d messages\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> thread_count<span class=\"token punctuation\">,<\/span> msg_count<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    Log<span class=\"token double-colon punctuation\">::<\/span>GlobalLoggerBuilder<span class=\"token double-colon punctuation\">::<\/span>ptr <span class=\"token function\">lbp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Log<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">GlobalLoggerBuilder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    lbp<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">buildloggerName<\/span><span class=\"token punctuation\">(<\/span>logger_name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    lbp<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">buildloggerFormater<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%m&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    lbp<span class=\"token operator\">-&gt;<\/span><span class=\"token generic-function\"><span class=\"token function\">buildsink<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>Log<span class=\"token double-colon punctuation\">::<\/span>FileSink<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;.\/logfile\/sync.log&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    lbp<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">buildLoggerType<\/span><span class=\"token punctuation\">(<\/span>Log<span class=\"token double-colon punctuation\">::<\/span>BuildType<span class=\"token double-colon punctuation\">::<\/span>LOGGER_SYNC<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    lbp<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token class-name\">Log<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bench<\/span><span class=\"token punctuation\">(<\/span>logger_name<span class=\"token punctuation\">,<\/span> thread_count<span class=\"token punctuation\">,<\/span> msg_count<span class=\"token punctuation\">,<\/span> msglen<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;************************************************\\\\n&#034;<\/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\">async_bench_thread_log<\/span><span class=\"token punctuation\">(<\/span>size_t thread_count<span class=\"token punctuation\">,<\/span> size_t msg_count<span class=\"token punctuation\">,<\/span> size_t msglen<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> num <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string logger_name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;async_bench_logger&#034;<\/span> <span class=\"token operator\">&#043;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>num<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;************************************************\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5f02\u6b65\u65e5\u5fd7\u6d4b\u8bd5: %d threads, %d messages\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> thread_count<span class=\"token punctuation\">,<\/span> msg_count<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    Log<span class=\"token double-colon punctuation\">::<\/span>GlobalLoggerBuilder<span class=\"token double-colon punctuation\">::<\/span>ptr <span class=\"token function\">lbp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Log<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">GlobalLoggerBuilder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    lbp<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">buildloggerName<\/span><span class=\"token punctuation\">(<\/span>logger_name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    lbp<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">buildloggerFormater<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%m&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    lbp<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">buildAsyncUnSafe<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    lbp<span class=\"token operator\">-&gt;<\/span><span class=\"token generic-function\"><span class=\"token function\">buildsink<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>Log<span class=\"token double-colon punctuation\">::<\/span>FileSink<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;.\/logfile\/async.log&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    lbp<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">buildLoggerType<\/span><span class=\"token punctuation\">(<\/span>Log<span class=\"token double-colon punctuation\">::<\/span>BuildType<span class=\"token double-colon punctuation\">::<\/span>LOGGER_ASYNC<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    lbp<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token class-name\">Log<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bench<\/span><span class=\"token punctuation\">(<\/span>logger_name<span class=\"token punctuation\">,<\/span> thread_count<span class=\"token punctuation\">,<\/span> msg_count<span class=\"token punctuation\">,<\/span> msglen<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n 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