根据情况在log4net的不同的appender记录 [英] logging in log4net to different appenders based on circumstances

问题描述

我使用log4net的，并在一类要求记录到RollingFile附加目的地，但随后在另一个类，我希望记录到事件日志+滚动文件+控制台附加目的地。

I am using log4net and in one class require logging to a RollingFile appender, but then in another class, I wish to log to the event log + rolling file + console appender.

什么是最好的做法是什么？而我能看到一些样品code？

What is the best practice? and could I see some sample code?

通过使事情变得更加困难，我使用的温莎城堡日志记录工具的使用log4net的解决我的Logger实例。

By the way to make things more difficult, I am using Castle Windsor Logging Facility with Log4net to resolve my Logger instance.

如果有帮助，下面我在想这一点，但不知道这是不是最好的做法，或如何根据名称仍然温莎利用我目前的记录器实例，启动特定的记录：

If it helps, I was thinking this below, but have no idea if this is best practice, or how to activate a particular logger based on 'name' still utilising my current logger instance from windsor:

log4net.config：

...
    <logger name="EventLogOnly">
      <level value="ALL" />
      <appender-ref ref="EventLogAppender" />
    </logger>
    <logger name="ConsoleEventLog">
      <level value="ALL" />
      <appender-ref ref="ColoredConsoleAppender" />
      <appender-ref ref="EventLogAppender" />
    </logger>
...

温莎城堡容器生成器类：

container.AddFacility("logging.facility", 
   new LoggingFacility(LoggerImplementation.Log4net, "log4net.config"));

类，其中记录：

private ILogger Logger;
public Test(ILogger logger) {
  Logger.Info("Can I log under event log only?");
  Logger.Info("Now can I log under both?");
}

谢谢你们。

推荐答案

您可以通过应用过滤器，以一个appender做到这一点。只有当日志事件通过过滤器并在事件得到由该附加器记录下来。

You can do this by applying a filter to an appender. Only if the log event passes the filter does the event get logged by that appender.

此过滤器的配置将只记录那些事件从一个名为MyLogger记录器来了：

This filter configuration will log only those events coming from the logger named "MyLogger":

<appender name="EventLogAppender" ...
    <filter type="log4net.Filter.LoggerMatchFilter">
        <loggerToMatch value="MyLogger" />
    </filter>   	
    <filter type="log4net.Filter.DenyAllFilter" />
</appender>

...而这一次将匹配记录与特定包含的短信：

...and this one will match log messages with certain contained text:

<filter type="log4net.Filter.StringMatchFilter">
    <stringToMatch value="database" />
</filter>
<filter type="log4net.Filter.DenyAllFilter" />

有配置可能带过滤器的好一点。请参阅 log4net的SDK ，或manual ，了解更多信息。

There's a good bit of configuration possible with filters. See the log4net SDK, or the Filters section of the manual, for more details.

这篇关于根据情况在log4net的不同的appender记录的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！