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phptsmadmin/application/classes/Model/VOLUME.php

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<?php defined('SYSPATH') or die('No direct access allowed.');
/**
*
* @package PTA
* @subpackage Volume
* @category Models
* @author Deon George
* @copyright (c) 2010 phpTSMadmin Development Team
* @license http://phptsmadmin.sf.net/license.html
*/
class Model_VOLUME extends ORM_TSM {
protected $_table_name = 'VOLUMES';
protected $_primary_key = 'VOLUME_NAME';
protected $_sorting = array(
'VOLUME_NAME'=>'ASC',
'STGPOOL_NAME'=>'ASC',
);
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protected $_has_one = array(
'MEDIA'=>array('foreign_key'=>'VOLUME_NAME','far_key'=>'VOLUME_NAME'),
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'STGPOOL'=>array('foreign_key'=>'STGPOOL_NAME','far_key'=>'STGPOOL_NAME'),
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);
protected $_has_many = array(
'VOLUMEUSAGE'=>array('foreign_key'=>'VOLUME_NAME','far_key'=>'VOLUME_NAME'),
);
protected $_display_filters = array(
'LAST_READ_DATE'=>array(
array('ORM_TSM::date',array(':value','d-M-Y')),
),
'LAST_WRITE_DATE'=>array(
array('ORM_TSM::date',array(':value','d-M-Y')),
),
);
/**
* Get all the VOLUMEUSAGE for this VOLUME
*/
private function _volumeusage() {
$result = array();
// In the interest of performance, we load all the records and get PHP to process it.
// Our ORM caching we reduce the hit on TSM.
foreach (ORM::factory('VOLUMEUSAGE')->find_all() as $o)
if ($o->VOLUME_NAME == $this->VOLUME_NAME)
array_push($result,$o);
return $result;
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}
/**
* Get FILESYSTEMS on a VOLUME
* @param $type is BACKUP/ARCHIVE/SPACE MANAGED
*/
public function fs_bybtype($type) {
$k = sprintf('%s-%s-%s',__METHOD__,$this->VOLUME_NAME,$type);
$c = Kohana::$config->load('config')->cache;
if (is_null($result = Cache::instance($c)->get($k))) {
$result = array();
foreach ($this->_volumeusage() as $vuo)
if ($vuo->COPY_TYPE == $type)
array_push($result,$vuo);
Sort::MASort($result,'VOLUME_NAME');
// @todo Cache time should be configurble
Cache::instance($c)->set($k,$result,300);
}
return $result;
}
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/**
* Get NODES on a VOLUME
* @param $type is BACKUP/ARCHIVE/SPACE MANAGED
*/
public function nodes_bybtype($type) {
$k = sprintf('%s-%s-%s',__METHOD__,$this->VOLUME_NAME,$type);
$c = Kohana::$config->load('config')->cache;
if (TRUE OR is_null($result = Cache::instance($c)->get($k))) {
$x = $result = array();
foreach ($this->_volumeusage() as $vuo)
if ($vuo->COPY_TYPE == $type AND ! in_array($vuo->NODE_NAME,$x)) {
array_push($result,$vuo);
array_push($x,$vuo->NODE_NAME);
}
// @todo Cache time should be configurble
Cache::instance($c)->set($k,$result,300);
}
return $result;
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}
public function isScratch() {
return $this->SCRATCH === 'YES' ? TRUE : FALSE;
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}
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// Age of a volume, based on last read/write access.
public function age() {
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if ((! $this->LAST_READ_DATE AND ! $this->LAST_WRITE_DATE) OR $this->STATUS == 'EMPTY')
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return 0;
else
return (int)((time()-(strtotime(strtotime($this->LAST_READ_DATE) > strtotime($this->LAST_WRITE_DATE) ? $this->LAST_WRITE_DATE : $this->LAST_READ_DATE)))/86400);
}
public function recycle() {
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return Kohana::$config->load('config')->tsmtapeage < $this->age() ? TRUE : FALSE;
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}
}
?>