File Coverage

blib/lib/Plack/Middleware/SimpleLogger.pm

Criterion	Covered	Total	%
statement	35	38	92.1
branch	4	6	66.6
condition	1	2	50.0
subroutine	10	10	100.0
pod	1	3	33.3
total	51	59	86.4

package Plack::Middleware::SimpleLogger;
use strict;
use parent qw(Plack::Middleware);
use Config ();
use Plack::Util::Accessor qw(level);
use POSIX ();
use Scalar::Util ();

# Should this be in Plack::Util?
my $i = 0;
my %level_numbers = map { $_ => $i++ } qw(debug info warn error fatal);

sub call {
    my($self, $env) = @_;

    my $min = $level_numbers{ $self->level || "debug" };

    my $env_ref = $env;
    Scalar::Util::weaken($env_ref);

    $env->{'psgix.logger'} = sub {
        my $args = shift;

        if ($level_numbers{$args->{level}} >= $min) {
            $env_ref->{'psgi.errors'}->print($self->format_message($args->{level}, $args->{message}));
        }
    };

    $self->app->($env);
}

sub format_time {
    my $old_locale;
    if ( $Config::config{d_setlocale} ) {
        $old_locale = POSIX::setlocale(&POSIX::LC_ALL);
        POSIX::setlocale(&POSIX::LC_ALL, 'C');
    }
    my $out = POSIX::strftime(@_);
    if ( $Config::config{d_setlocale} ) {
        POSIX::setlocale(&POSIX::LC_ALL, $old_locale);
    };
    return $out;
}

sub format_message {
    my($self, $level, $message) = @_;

    my $time = format_time("%Y-%m-%dT%H:%M:%S", localtime);
    sprintf "%s [%s #%d] %s: %s\n", uc substr($level, 0, 1), $time, $$, uc $level, $message;
}

1;

__END__