On Fri, 20 Feb 2009, Ronald Fischer wrote:
> I tried the following code:
> $nl =
> Log::Log4perl::Appender::File->new(
> filename => $logname,
> mode => 'clobber',
> utf8 => 1,
> create_at_logtime => 1
> );
> $nl->layout(Log::Log4perl::Layout::PatternLayout->new('%C %m%n'));
That won't work, you have to use Log4perl's appender wrapper around the
real appender -- but this is just a theoretical exercise, I don't really
recommend playing with Log4perl's internals.
>> log4perl.logger = DEBUG, FooApp, BarApp, AnotherAppender
>
> This is valid Perl code????? So I have to the left of the assignment a
> catenation, and to the right the comma operator?
Of course not, it's l4p config syntax.
>> # ...
>> log4perl.appender.AnotherAppender.filename = \
>> sub { "mylog." . get_request_name() . ".log" }
>
> Here too I don't understand the syntax.
The right-hand side of an assignment in l4p config syntax can be a
perl code reference.
> No, the app is running continually during days or weeks in a main
> loop and polls for new requests. If a request is arriving, it is
> decomposed into various pieces. Say a request R is coming, followed
> by request S. The app first is analyzing R and decomposes it into
> pieces according to some algorithm (let's call the pieces R1, R2,
> R3). Then it does the next with request S (which might result into
> pieces S1, S2, S3, S4). Then it schedules the pieces for execution.
> One schedule might be: R1, S1, S2, R2, S3, S4, R3 and executes them.
> While some "R"-piece is executed, logs should go to the "R.log"
> file. While some "S"-piece is executed, logs should go to the
> "S.log" file.
That's alright, just a subroutine like get_request_name() shown above
accordingly, so that it returns a unique name for every unique request
or subrequest.
-- Mike
Mike Schilli
m...@perlmeister.com
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