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#define LOG_INFO if (muduo::Logger::logLevel() <= muduo::Logger::INFO) \ muduo::Logger(__FILE__, __LINE__).stream()LOG_INFO<<“info ...”; // 使用方式muduo::Logger(__FILE__, __LINE__).stream()<<“info”;Logger => Impl => LogStream => operator<< FixedBuffer => g_output => g_flush
LogStream类图
Logger类图
在FixedBuffer模板类中,假设给缓冲区data_中添加2个字节数据,data_指针是不会变的,因为他是缓冲区的首地址;
const char* debugString();//增加\0,将当前数据变成字符串
eg:21\jmuduo\muduo\base\LogStream.cc
21\jmuduo\muduo\base\LogStream.heg测试:21\jmuduo\muduo\base\tests\LogStream_test.cc
21\jmuduo\muduo\base\tests\CMakeLists.txt测试:
eg测试:21\jmuduo\muduo\base\tests\LogStream_bench.cc
21\jmuduo\muduo\base\tests\CMakeLists.txt测试:性能基准测试,使用Boost单元测试框架
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