/usr/share/perl5/Plack/Middleware/Log4perl.pm is in libplack-perl 1.0033-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | package Plack::Middleware::Log4perl;
use strict;
use parent qw(Plack::Middleware);
use Plack::Util::Accessor qw(category logger conf);
use Carp ();
sub prepare_app {
my $self = shift;
if ($self->conf) {
require Log::Log4perl;
Log::Log4perl::init($self->conf);
}
$self->logger( Log::Log4perl->get_logger($self->category || '') );
}
sub call {
my($self, $env) = @_;
$env->{'psgix.logger'} = sub {
my $args = shift;
my $level = $args->{level};
local $Log::Log4perl::caller_depth
= $Log::Log4perl::caller_depth + 1;
$self->logger->$level($args->{message});
};
$self->app->($env);
}
1;
__END__
=head1 NAME
Plack::Middleware::Log4perl - Uses Log::Log4perl to configure logger
=head1 SYNOPSIS
use Log::Log4perl;
Log::Log4perl::init('/path/to/log4perl.conf');
builder {
enable "Log4perl", category => "plack";
$app;
}
# in log4perl.conf
log4perl.logger.plack = INFO, Logfile
log4perl.appender.Logfile = Log::Log4perl::Appender::File
log4perl.appender.Logfile.filename = /path/to/logfile.log
log4perl.appender.Logfile.layout = Log::Log4perl::Layout::SimpleLayout
# Or let middleware to configure log4perl
enable "Log4perl", category => "plack", conf => '/path/to/log.conf';
=head1 DESCRIPTION
Log4perl is a L<Plack::Middleware> component that allows you to use
L<Log::Log4perl> to configure the logging object, C<psgix.logger>.
=head1 CONFIGURATION
=over 4
=item category
The C<log4perl> category to send logs to. Defaults to C<''> which means
it send to the root logger.
=item conf
The configuration file path (or a scalar ref containing the config
string) for L<Log::Log4perl> to automatically configure.
=back
=head1 AUTHOR
Tatsuhiko Miyagawa
=head1 SEE ALSO
L<Log::Log4perl>
L<Plack::Middleware::LogDispatch>
=cut
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