Log4net

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研究一下Log4Net的架构及应用。

执行过程

1 LoggingService.Debug(string.Format(“{0}-{1}”, msg.MessageType, msg.Operate));
2 Service.Debug(message);
3 sealed class log4netLoggingService : ILoggingService ：
log.Debug(message);
4 LogImpl：
Logger.Log(ThisDeclaringType, m_levelDebug, message, null);
5 Logger.cs:
virtual public void Log(Type callerStackBoundaryDeclaringType, Level level, object message, Exception exception)
{
try
{
if (IsEnabledFor(level))
{
ForcedLog((callerStackBoundaryDeclaringType != null) ? callerStackBoundaryDeclaringType : declaringType, level, message, exception);
}
}
catch (Exception ex)
{
log4net.Util.LogLog.Error(declaringType, “Exception while logging”, ex);
}
}
6 ForcedLog
ForcedLog((callerStackBoundaryDeclaringType != null) ? callerStackBoundaryDeclaringType : declaringType, level, message, exception);

7 Logger.cs
CallAppenders

8 LoggingEvent
private ILoggerRepository m_repository = null;