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|
package MR::IProto::Role::Debuggable;
=head1 NAME
MR::IProto::Role::Debuggable - debuggable role
=head1 DESCRIPTION
=over
=cut
use Mouse::Role;
=item debug
Debug level.
=cut
has debug => (
is => 'rw',
isa => 'Int',
default => 0,
);
=item debug_cb
Callback which is called when debug message is written.
=cut
has debug_cb => (
is => 'rw',
isa => 'CodeRef',
lazy_build => 1,
);
=item dump_no_ints
Skip print of integers in dump.
=cut
has dump_no_ints => (
is => 'ro',
isa => 'Bool',
);
sub _build_debug_cb {
my ($self) = @_;
my $prefix = ref $self;
return sub {
my ($msg) = @_;
chomp $msg;
warn sprintf "$prefix: $msg\n";
return;
};
}
sub _debug {
$_[0]->debug_cb->($_[1]);
}
sub _debug_dump {
my ($self, $msg, $datum) = @_;
unless($self->dump_no_ints) {
$msg .= join(' ', unpack('L*', $datum));
$msg .= ' > ';
}
$msg .= join(' ', map { sprintf "%02x", $_ } unpack("C*", $datum));
$self->_debug($msg);
return;
}
=back
=cut
no Mouse::Role;
1;
|
