NAME

RRDTool::Rawish - A RRDtool wrapper with rawish interface

SYNOPSIS

    use RRDTool::Rawish;

    my $rrd = RRDTool::Rawish->new(
        rrdfile => 'rrdtest.rrd',           # option
        remote  => 'rrdtest.com:11111',  # option for rrdcached
    );
    my $exit_status = $rrd->create(["DS:rx:DERIVE:40:0:U", "DS:tx:DERIVE:40:0:U", "RRA:LAST:0.5:1:240"], {
        '--start'        => '1350294000',
        '--step'         => '20',
        '--no-overwrite' => '1',
    });

    my $exit_status = $rrd->update([
        "1350294020:0:0",
        "1350294040:50:100",
        "1350294060:80:150",
        "1350294080:100:200",
        "1350294100:180:300",
        "1350294120:220:380",
        "1350294140:270:400"
    ]);

    my $img = $rrd->graph([
        "DEF:rx=rrdtest2.rrd:rx:LAST",
        "DEF:tx=rrdtest2.rrd:tx:LAST",
        "LINE1:rx:rx#00F000",
        "LINE1:tx#0000F0",
    ]);

    # error message
    $rrd->errstr; # => "ERROR: hogehoge"

DESCRIPTION

RRDTool::Rawish is a RRDtool wrapper class with rawish interface. You can use the class like RRDtool command interface. And RRDTool::Rawish has less dependencies and it is easy to install it.

METHODS

my $rrd = RRDTool::Rawish->new([%args|\%args])

Creates a new instance of RRDTool::Rawish.

$rrd->create($params, [\%opts]) Returns exit status

rrdtool create

$rrd->update($params, [\%opts]) Returns exit status

rrdtool update

$rrd->graph($params, [\%opts]) Returns exit status

rrdtool graph Returns image binary.

$rrd->dump([\%opts])

rrdtool dump Returns xml data.

$rrd->restore($xmlfile, [\%opts])

rrdtool restore Returns exit status

$rrd->lastupdate

rrdtool lastupdate Returns timestamp

$rrd->fetch

rrdtool fetch Returns output lines as an ARRAY refarence

$rrd->xport

rrdtool xport Returns xml data

$rrd->info

rrdtool info Returns info as a HASH refarence

Examples: is $value->{filename}, "rrd_test.rrd"; is $value->{rrd_version}, "0003"; is $value->{step}, 20; is $value->{last_update}, 1350294000; is $value->{header_size}, 904; is $value->{ds}->{rx}->{index}, 0; is $value->{ds}->{rx}->{minimal_heartbeat}, 40; is $value->{ds}->{rx}->{min}, "0.0000000000e+00"; is $value->{ds}->{rx}->{max}, "NaN"; is $value->{ds}->{rx}->{last_ds}, "U"; is $value->{ds}->{rx}->{value}, "0.0000000000e+00"; is $value->{ds}->{rx}->{unknown_sec}, 0; is $value->{ds}->{tx}->{index}, 1; is $value->{ds}->{tx}->{type}, "DERIVE"; is $value->{ds}->{tx}->{minimal_heartbeat}, 40; is $value->{ds}->{tx}->{min}, "0.0000000000e+00"; is $value->{ds}->{tx}->{max}, "NaN"; is $value->{ds}->{tx}->{last_ds}, "U"; is $value->{ds}->{tx}->{value}, "0.0000000000e+00"; is $value->{ds}->{tx}->{unknown_sec}, 0; is $value->{rra}->[0]->{cf}, "LAST"; is $value->{rra}->[0]->{rows}, 240; is $value->{rra}->[0]->{cur_row}, 95; is $value->{rra}->[0]->{pdp_per_row}, 1; is $value->{rra}->[0]->{xff}, "5.0000000000e-01"; is $value->{rra}->[0]->{cdp_prep}->[0]->{value}, "NaN"; is $value->{rra}->[0]->{cdp_prep}->[0]->{unknown_datapoints}, 0; is $value->{rra}->[0]->{cdp_prep}->[1]->{value}, "NaN"; is $value->{rra}->[0]->{cdp_prep}->[1]->{unknown_datapoints}, 0;

AUTHOR

Yuuki Tsubouchi <yuuki@cpan.org>

THANKS TO

Shoichi Masuhara

SEE ALSO RRDtool Documetation

LICENCE AND COPYRIGHT

Copyright (c) 2013, Yuuki Tsubouchi <yuuki@cpan.org>. All rights reserved.

This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See perlartistic.