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<?php
/**
* $Id$
*
* Author: David Danier, david.danier@team23.de
* Project: Serverstats, http://serverstats.berlios.de/
* License: GPL v2 or later (http://www.gnu.org/licenses/gpl.html)
*
* Copyright (C) 2005 David Danier
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
class load extends source implements source_rrd
{
private $loadavgfile;
private $min1;
private $min5;
private $min15;
private $running;
private $tasks;
public function __construct($loadavgfile = '/proc/loadavg')
{
$this->loadavgfile = $loadavgfile;
}
public function refreshData()
{
if (($temp = @file_get_contents($this->loadavgfile)) === false)
{
throw new Exception('Could not read "' . $this->loadavgfile . '"');
}
$temp = explode(' ', $temp);
$this->min1 = $temp[0];
$this->min5 = $temp[1];
$this->min15 = $temp[2];
$temp = explode('/', $temp[3]);
$this->running = $temp[0];
$this->tasks = $temp[1];
}
public function initRRD(rrd $rrd)
{
$rrd->addDatasource('1min', 'GAUGE', null, 0);
$rrd->addDatasource('5min', 'GAUGE', null, 0);
$rrd->addDatasource('15min', 'GAUGE', null, 0);
$rrd->addDatasource('running', 'GAUGE', null, 0);
$rrd->addDatasource('tasks', 'GAUGE', null, 0);
}
public function fetchValues()
{
$values = array();
$values['1min'] = $this->min1;
$values['5min'] = $this->min5;
$values['15min'] = $this->min15;
$values['running'] = $this->running;
$values['tasks'] = $this->tasks;
return $values;
}
}
?>
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