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LOG日志系统

作用

记录信息

在代码中嵌入log代码信息,主要记录下列信息:

(1)记录系统运行异常信息。

(2)记录系统运行状态信息。

(3)记录系统运行性能指标。

日志的类型

安全类信息:记录系统边界交互行为和信息;

业务类信息:记录系统内部业务处理行为和信息;

性能类信息:记录系统硬件对业务处理的支撑能力。

日志级别

ERROR(错误):此信息输出后,主体系统核心模块不能正常工作,需要修复才能正常工作。

WARN(警告):此信息输出后,系统一般模块存在问题,不影响系统运行。

INFO(通知):此信息输出后,主要是记录系统运行状态等关联信息。

DEBUG(调试):最细粒度的输出信息。

TRACE(跟踪):最细粒度的输出信息。

需求特性

  • 支持用户自定义输出方式(例如:控制台、文件)
    • 控制台日志记录(支持不同颜色显示)
    • 循环日志文件、每日日志文件、系统日志
  • 日志内容支持自定义fmtlib格式,包含级别、时间戳、线程信息、进程信息、文件和行等。
  • 支持异步模式,输出线程安全。

基于spdlog库封装

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