<?php defined('SYSPATH') or die('No direct access allowed.');

/**
 *
 * @package    PTA
 * @subpackage Nodes
 * @category   Models
 * @author     Deon George
 * @copyright  (c) 2010 phpTSMadmin Development Team
 * @license    http://phptsmadmin.sf.net/license.html
 */
class Model_NODE extends ORMTSM {
	protected $_table_name = 'NODES';
	protected $_primary_key = 'NODE_NAME';
	protected $_sorting = array(
		'NODE_NAME'=>'ASC',
	);

	protected $_has_many = array(
		'FILESPACE'=>array('foreign_key'=>'NODE_NAME','far_key'=>'NODE_NAME'),
		'VOLUMEUSAGE'=>array('foreign_key'=>'NODE_NAME','far_key'=>'NODE_NAME'),
		'ASSOCIATION'=>array('foreign_key'=>'NODE_NAME','far_key'=>'NODE_NAME'),
		'MGMTCLASS'=>array('foreign_key'=>'DOMAIN_NAME','far_key'=>'DOMAIN_NAME'),
		'CLIENTOPT'=>array('foreign_key'=>'OPTIONSET_NAME','far_key'=>'OPTION_SET'),
		'SUMMARY'=>array('foreign_key'=>'ENTITY','far_key'=>'NODE_NAME'),
		'EVENT'=>array('foreign_key'=>'NODE_NAME','far_key'=>'NODE_NAME'),
	);

	protected $_display_filters = array(
		'REG_TIME'=>array(
			array('ORMTSM::date',array(':value','d-M-Y')),
		),
		'PWSET_TIME'=>array(
			array('ORMTSM::date',array(':value','d-M-Y')),
		),
		'LASTACC_TIME'=>array(
			array('ORMTSM::date',array(':value','d-M-Y')),
		),
		'LASTSESS_SENT'=>array(
			array('number_format',array(':value',0)),
		),
		'LASTSESS_RECVD'=>array(
			array('number_format',array(':value',0)),
		),
		'LASTSESS_DURATION'=>array(
			array('number_format',array(':value',2)),
		),
		'LASTSESS_IDLEWAIT'=>array(
			array('number_format',array(':value',2)),
		),
		'LASTSESS_COMMWAIT'=>array(
			array('number_format',array(':value',2)),
		),
		'LASTSESS_MEDIAWAIT'=>array(
			array('number_format',array(':value',2)),
		),
	);

	// Pools used by a node.
	private $pools = array();

	public function tsmclientversion() {
		return sprintf('%s.%s.%s.%s',$this->CLIENT_VERSION,$this->CLIENT_RELEASE,$this->CLIENT_LEVEL,$this->CLIENT_SUBLEVEL);
	}

	// @todo This needs to return the global configuration.
	public function passexp() {
		if ($this->PASSEXP)
			return 'TBA';
		else
			return _('No Set');
	}

	public function lasttransferpercent() {
		return 100-($this->LASTSESS_IDLEWAIT+$this->LASTSESS_COMMWAIT+$this->LASTSESS_MEDIAWAIT);
	}

	public function lasttransfertime() {
		if ($this->LASTSESS_DURATION)
			return $this->LASTSESS_DURATION*($this->lasttransferpercent()/100);
		else
			return 0;
	}

	public function lastsendperformance() {
		if ($this->lasttransfertime())
			return $this->LASTSESS_SENT/$this->lasttransfertime()/1024/1024;
		else
			return 0;
	}

	public function lastreceiveperformance() {
		if ($this->lasttransfertime())
			return $this->LASTSESS_RECVD/$this->lasttransfertime()/1024/1024;
		else
			return 0;
	}

	public function lastsendaggperformance() {
		if ((real)$this->LASTSESS_DURATION)
			return $this->LASTSESS_SENT/$this->LASTSESS_DURATION/1024/1024;
		else
			return 0;
	}

	public function lastreceiveaggperformance() {
		if ((real)$this->LASTSESS_DURATION)
			return $this->LASTSESS_RECVD/$this->LASTSESS_DURATION/1024/1024;
		else
			return 0;
	}

	// @todo This should return the system setting (cloptset), if the node setting is not configured.
	public function txngroupmax() {
		return $this->TXNGROUPMAX;
	}

	// Work out all the storage pools used by a node.
	// $dtype is BACKUP or ARCHIVE
	public function getStoragePools($dtype) {
		return isset($this->pools[$dtype]) ? $this->pools[$dtype] : $this->_getpools($dtype);
	}

	private function _getpools($dtype) {
		$this->pools[$dtype] = array();

		foreach ($this->FILESPACE->find_all() as $fso)
			foreach ($fso->storagepools($dtype) as $po)
				if (! isset($this->pools[$dtype][$po->POOLTYPE]) OR ! in_array($po->STGPOOL_NAME,$this->pools[$dtype][$po->POOLTYPE]))
					$this->pools[$dtype][$po->POOLTYPE][] = $po;

		return $this->pools[$dtype];
	}

	// Return the storage pools used for a backup type
	// $dtype is BACKUP or ARCHIVE
	// $ptype is pool type (PRIMARY,ACTIVE,COPY)
	public function getStoragePoolsType($dtype,$ptype) {
		if (! isset($this->pools[$dtype]))
			$this->_getpools($dtype);

		return isset($this->pools[$dtype][$ptype]) ? $this->pools[$dtype][$ptype] : array();
	}

	// @todo This routine should be cached.
	public function getStorageTypeFiles($type) {
		$count = 0;

		foreach ($this->FILESPACE->find_all() as $fo)
			foreach ($fo->OCCUPANCY->find_all() as $oa)
				if ($oa->STGPOOL->POOLTYPE == $type)
					$count += $oa->NUM_FILES;

		return $count;
	}

	// @todo This routine should be cached.
	public function getStorageTypeData($type) {
		$count = 0;

		foreach ($this->FILESPACE->find_all() as $fo)
			foreach ($fo->OCCUPANCY->find_all() as $oa)
				if ($oa->STGPOOL->POOLTYPE == $type)
					$count += $oa->LOGICAL_MB;

		return $count;
	}

	// Return the volumes that this node uses
	// $dtype is BACKUP or ARCHIVE
	// @todo Cache this data
	public function volumes($dtype) {
		$volumes = array();

		foreach ($this->VOLUMEUSAGE->where('COPY_TYPE','=',$dtype)->order_by('STGPOOL_NAME,FILESPACE_NAME')->find_all() as $vol)
			$volumes[$vol->STGPOOL_NAME][] = $vol->VOLUME;

		return $volumes;
	}

	/**
	 * Get all the nodes by OS
	 */
	public function byos() {
		$a = $this->select('count(*) AS node_name,platform_name')
			->group_by('platform_name')
			->order_by('platform_name');

		return $a->find_all();
	}
}
?>