C# 你如何通过 log4net 记录机器名称?
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How do you log the machine name via log4net?
提问by Stephen Tolton
I am using Log4Net with the AdoNetAppender to log messages from a simple systray application into a SQL Server 2005 database.
我使用 Log4Net 和 AdoNetAppender 将来自简单系统托盘应用程序的消息记录到 SQL Server 2005 数据库中。
I want to log the machine name along with the log message because this application will be running on multiple machines and I need to know on which one the message originated.
我想记录机器名称和日志消息,因为这个应用程序将在多台机器上运行,我需要知道消息来自哪一台。
But, I cannot find a way to expose this information via the log4net.Layout.PatternLayout that I am using with the appender.
但是,我找不到通过我与 appender 一起使用的 log4net.Layout.PatternLayout 公开这些信息的方法。
Is there a way to log the machine name via log4net in this manner?
有没有办法以这种方式通过 log4net 记录机器名称?
采纳答案by Thad
You can use the pre-populated property log4net:HostName
, for example:
您可以使用预先填充的属性log4net:HostName
,例如:
<conversionPattern value="%property{log4net:HostName}" />
This way you don't need to populate the MDC.
这样您就不需要填充 MDC。
回答by Thad
you can create a parameter similar to the following:
您可以创建类似于以下内容的参数:
<parameter>
<parameterName value="@machine" />
<dbType value="String" />
<size value="255" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%X{machine}" />
</layout>
</parameter>
Then add this line before writing to the log: MDC.Set("machine", Environment.MachineName);
然后在写入日志之前添加这一行: MDC.Set("machine", Environment.MachineName);