File Coverage

blib/lib/IBM/StorageSystem/Statistic.pm

Criterion	Covered	Total	%
statement	15	44	34.0
branch	0	4	0.0
condition			n/a
subroutine	5	14	35.7
pod	2	3	66.6
total	22	65	33.8

package IBM::StorageSystem::Statistic;

use strict;
use warnings;

use Carp qw(croak);
use Scalar::Util qw(weaken);

our $VERSION = '0.01';
our @ATTR = qw(name epoch current peak peak_time peak_epoch);

foreach my $attr ( @ATTR ) {
        {
                no strict 'refs';
                *{ __PACKAGE__ .'::'. $attr } = sub {
                        my( $self, $val ) = @_;
                        $self->{$attr} = $val if $val;
                        return $self->{$attr}
                }
        }
}

sub new {
        my( $class, $ibm, %args ) = @_;
        my $self = bless {}, $class;
	weaken( $self->{__ibm} = $ibm );
	foreach my $attr ( keys %args ) { $self->{$attr} = $args{$attr} }
	$self->{ts} = time;
	return $self;
}

sub refresh {
	my $self = shift;

	foreach my $stat ( splice @{ [ split /\n/, $self->{__ibm}->__cmd( 'lssystemstats -gui -delim :' ) ] }, 1 ) {
		my ( $name, $epoch, $current, $peak, $peak_time, $peak_epoch ) = split /:/, $stat;
		next unless $name eq $self->name;
		$self->epoch( $epoch );
		$self->current( $current );
		$self->peak( $peak );
		$self->peak_time( $peak_time );
		$self->peak_epoch( $peak_epoch )
	}

	$self->{ts} = time;
	return $self
}

sub history {
	my $self = shift;
	my @res;

	foreach my $stat (splice @{ [split /\n/, $self->{__ibm}->__cmd( "lssystemstats -history $self->{name} -delim :")] }, 1) {
		my ( $time, $name, $value ) = split /:/, $stat;
		push @res, { time => $time, value => $value };
	}

	return reverse @res;
}

1;

__END__