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|
#!/usr/bin/perl
package Log::Dispatch::Channels;
# ABSTRACT: Adds separate logging channels to Log::Dispatch
use strict;
use warnings;
use Log::Dispatch;
use Carp;
sub new {
my $class = shift;
my $self = bless {
channels => {},
outputs => {},
}, $class;
return $self;
}
sub add_channel {
my $self = shift;
my $channel = shift;
carp "Channel $channel already exists!"
if exists $self->{channels}{$channel};
$self->{channels}{$channel} = Log::Dispatch->new(@_);
}
sub remove_channel {
my $self = shift;
my $channel = shift;
return delete $self->{channels}{$channel};
}
sub _forward_to_channels {
my $self = shift;
my $channels = shift;
my $method = shift;
my @channels = !defined $channels
? (keys %{ $self->{channels} })
: ref $channels
? @$channels
: ($channels);
# XXX: sort of a hack - the return value is only used by would_log, which
# just wants a boolean
my $ret = 0;
for my $channel (@channels) {
if (exists $self->{channels}{$channel}) {
$ret ||= $self->{channels}{$channel}->$method(@_);
}
else {
carp "Channel $channel doesn't exist";
}
}
return $ret;
}
sub add {
my $self = shift;
my $output = shift;
my %args = @_;
carp "Output " . $output->name . " already exists!"
if exists $self->{outputs}{$output->name};
$self->_forward_to_channels($args{channels}, 'add', $output);
$self->{outputs}{$output->name} = $output;
}
sub remove {
my $self = shift;
my $output = shift;
my %args = @_;
$self->_forward_to_channels($args{channels}, 'remove', $output);
return delete $self->{outputs}{$output};
}
sub log {
my $self = shift;
my %args = @_;
my $channels = delete $args{channels};
$self->_forward_to_channels($channels, 'log', %args);
}
sub log_and_die {
my $self = shift;
my %args = @_;
my $channels = delete $args{channels};
$self->_forward_to_channels($channels, 'log_and_die', %args);
}
sub log_and_croak {
my $self = shift;
my %args = @_;
my $channels = delete $args{channels};
$self->_forward_to_channels($channels, 'log_and_croak', %args);
}
sub log_to {
my $self = shift;
my %args = @_;
my $output = delete $args{name};
$self->{outputs}{$output}->log(%args);
}
sub would_log {
my $self = shift;
my $level = shift;
my %args = @_;
my $channels = delete $args{channels};
return $self->_forward_to_channels($channels, 'would_log', $level);
}
sub output {
my $self = shift;
my $output = shift;
return $self->{outputs}{$output} if exists $self->{outputs}{$output};
}
sub channel {
my $self = shift;
my $channel = shift;
return $self->{channels}{$channel} if exists $self->{channels}{$channel};
}
1;
|
