boost log 多模块多文件设置

最新推荐文章于 2023-09-21 03:46:55 发布

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最新推荐文章于 2023-09-21 03:46:55 发布 · 4k 阅读

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本文介绍了如何使用Boost Log库配置多模块、多文件的日志记录。通过示例展示了如何在`config.ini`中设置不同日志文件的过滤、格式和旋转策略，以及在`main.cpp`中创建并使用不同日志通道的logger。通过`logging::init_from_stream`从配置文件初始化日志系统，并展示了如何输出不同严重级别的日志到各自指定的文件。

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[root@localhost log]# cat config.ini
#comments are allowed. Comment line begins with the '#' character
# and spans until the end of the line.

# Logging core settings section. May be omitted if no parameters specified within it.
[Core]
DisableLogging=false
Filter="%Severity% > debug"

# Sink settings sections
[Sinks.MySink1]

# Sink destination type
Destination=TextFile

FileName="MySink1_%Y-%m-%d_%H-%M-%S_%N.log"

# Sink-specific filter. Optional, by default no filter is applied.
Filter="%Channel% contains \"MySink1\" and %Severity% > info "

# Formatter string. Optional, by default only log record message text is written.
Format="<%TimeStamp%>-<%Severity%>-<%Channel%>:%Message%"

# The flag shows whether the sink should be asynchronous
Asynchronous=false

# Enables automatic stream flush after each log record.
AutoFlush=true

RotationSize=5000000

[Sinks.MySink2]

# Sink destination type
Destination=TextFile

FileName="MySink2_%Y-%m-%d_%H-%M-%S_%N.log"

# Sink-specific filter. Optional, by default no filter is applied.
Filter="%Channel% contains \"MySink2\""

# Formatter string. Optional, by default only log record message text is written.
Format="<%TimeStamp%>-<%Severity%>-<%Channel%>:%Message%"

# The flag shows whether the sink should be asynchro