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c#logginglog4netlog4net-configuration
Jetnor
Jetnor

Reputation: 531

using log4net for general purposes

I have a c# .Net 3.5 application which reads multiple xml files and i want to build in a performance logging facility. I have looked at log4net for c# and it seems to do everything when it comes to logging exceptions.

What I want to do is I want to create a log for performance purposes i.e. I want to log how long it took to read each file and how long it took to perform other non-exception related tasks.

I have tried to use the different levels of logging provided by log4net but the log.INFO etc don't accept a general message.

For example the below line of code does not work for me. Do you have a suggestion for me to be able to make this work or shall I create my own logging class for tasks like the below?

log.Info("Wrote file in {0}ms", elapsed2);

Upvotes: 0

Views: 196

Answers (2)

Noctis
Noctis

Reputation: 11783

Did you look at this log4net page? Here's the interface for info:

namespace log4net
{
    public interface ILog
    {
        /* Test if a level is enabled for logging */
        bool IsDebugEnabled { get; }
        bool IsInfoEnabled { get; }
        bool IsWarnEnabled { get; }
        bool IsErrorEnabled { get; }
        bool IsFatalEnabled { get; }

        /* Log a message object */
        void Info(object message);
        ...

        /* Log a message object and exception */
        void Info(object message, Exception t);
        ...

        /* Log a message string using the System.String.Format syntax */
        void InfoFormat(string format, params object[] args);
        ...

        /* Log a message string using the System.String.Format syntax */
        void InfoFormat(IFormatProvider provider, string format, params object[] args);
        ...
    }
}

Choose the one you like :)

Upvotes: 1

matth
matth

Reputation: 6309

You are looking for the InfoFormat method:

log.InfoFormat("Wrote file in {0}ms", elapsed2);

All of the log4net log methods (log.Debug, log.Warn, etc) come with an additional Format method that works similarly to string.Format.

Upvotes: 2

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