<?php
/*
** ZABBIX
** Copyright (C) 2000-2010 SIA Zabbix
**
** 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., 675 Mass Ave, Cambridge, MA 02139, USA.
**/
?>
<?php
require_once('include/config.inc.php');
require_once('include/triggers.inc.php');
require_once('include/services.inc.php');

$page['title'] = 'S_IT_SERVICES';
$page['file'] = 'srv_status.php';
$page['scripts'] = array();
$page['hist_arg'] = array();

define('ZBX_PAGE_DO_REFRESH', 1);

include_once('include/page_header.php');
?>
<?php
//		VAR			TYPE	OPTIONAL FLAGS	VALIDATION	EXCEPTION
	$fields=array(
		'serviceid'=>		array(T_ZBX_INT, O_OPT,	P_SYS|P_NZERO,	DB_ID,			NULL),
		'showgraph'=>		array(T_ZBX_INT, O_OPT,	P_SYS,			IN('1'),		'isset({serviceid})'),
		'period'=>	array(T_ZBX_STR, O_OPT,	P_SYS,			NULL,	NULL),
		'fullscreen'=>		array(T_ZBX_INT, O_OPT,	P_SYS,			IN('0,1'),	NULL),
// ajax
		'favobj'=>		array(T_ZBX_STR, O_OPT, P_ACT,	IN('"hat"'),		NULL),
		'favref'=>		array(T_ZBX_STR, O_OPT, P_ACT,  NOT_EMPTY,	'isset({favobj})'),
		'state'=>		array(T_ZBX_INT, O_OPT, P_ACT,	NOT_EMPTY,	'isset({favobj})'),
	);

	check_fields($fields);

/* AJAX */
	if(isset($_REQUEST['favobj'])){
		if('hat' == $_REQUEST['favobj']){
			CProfile::update('web.srv_status.hats.'.$_REQUEST['favref'].'.state',$_REQUEST['state'],PROFILE_TYPE_INT);
		}
	}

	if((PAGE_TYPE_JS == $page['type']) || (PAGE_TYPE_HTML_BLOCK == $page['type'])){
		include_once('include/page_footer.php');
		exit();
	}
//--------
?>
<?php
	$available_triggers = get_accessible_triggers(PERM_READ_ONLY, array());

	if(isset($_REQUEST['serviceid'])){
		$sql = 'SELECT DISTINCT serviceid, triggerid '.
				' FROM services '.
				' WHERE serviceid='.$_REQUEST['serviceid'];
		if($service = DBfetch(DBselect($sql))){
			if(isset($service['triggerid']) && !isset($available_triggers[$service['triggerid']])){
				access_deny();
			}
		}
		else{
			unset($service);
		}
	}

	unset($_REQUEST['serviceid']);
?>
<?php
//	show_table_header(S_IT_SERVICES_BIG);

	if(isset($service) && isset($_REQUEST['showgraph'])){
		$table  = new CTable(null,'chart');
		$table->addRow(new CImg('chart5.php?serviceid='.$service['serviceid'].url_param('path')));
		$table->show();
	}
	else{
		$periods = array(
			'today' => S_TODAY,
			'week' => S_THIS_WEEK,
			'month' => S_THIS_MONTH,
			'year' => S_THIS_YEAR,
			24 => S_LAST_24_HOURS,
			24*7 => S_LAST_7_DAYS,
			24*30 => S_LAST_30_DAYS,
			24*365 => S_LAST_365_DAYS,
		);

		$period = get_request('period', 7*24);
		$period_end = time();

		switch($period){
			case 'today':
				$period_start = mktime(0, 0, 0, date('n'), date('j'), date('Y'));
			break;
			case 'week':
				$period_start = strtotime('last sunday');
			break;
			case 'month':
				$period_start = mktime(0, 0, 0, date('n'), 1, date('Y'));
			break;
			case 'year':
				$period_start = mktime(0, 0, 0, 1, 1, date('Y'));
			break;
			case 24:
			case 24*7:
			case 24*30:
			case 24*365:
				$period_start = $period_end - ($period * 3600);
			break;
		}

		$query = 'SELECT DISTINCT s.serviceid, sl.servicedownid, sl_p.serviceupid as serviceupid, s.triggerid, '.
				' s.name as caption, s.algorithm, t.description, t.expression, s.sortorder, sl.linkid, s.showsla, s.goodsla, s.status '.
			' FROM services s '.
				' LEFT JOIN triggers t ON s.triggerid = t.triggerid '.
				' LEFT JOIN services_links sl ON  s.serviceid = sl.serviceupid and NOT(sl.soft=0) '.
				' LEFT JOIN services_links sl_p ON  s.serviceid = sl_p.servicedownid and sl_p.soft=0 '.
			' WHERE '.DBin_node('s.serviceid').
				' AND (t.triggerid IS NULL OR '.DBcondition('t.triggerid',$available_triggers).') '.
			' ORDER BY s.sortorder, sl_p.serviceupid, s.serviceid';

		$result=DBSelect($query);

		$services = array();
		$row = array(
			'id' => 0,
			'serviceid' => 0,
			'serviceupid' => 0,
			'caption' => S_ROOT_SMALL,
			'status' => SPACE,
			'reason' => SPACE,
			'sla' => SPACE,
			'sla2' => SPACE,
			'graph' => SPACE,
			'linkid'=>''
		);

		$services[0] = $row;

		while($row = DBFetch($result)){
			$row['id'] = $row['serviceid'];

			$row['caption'] = array(get_node_name_by_elid($row['serviceid'], null, ': '), $row['caption']);

			if(empty($row['serviceupid'])) $row['serviceupid']='0';
			if(empty($row['description'])) $row['description']=S_NONE;
			$row['graph'] = new CLink(S_SHOW,'srv_status.php?serviceid='.$row['serviceid'].'&showgraph=1'.url_param('path'));

			if(isset($row['triggerid']) && !empty($row['triggerid'])){

				$url = new CLink(expand_trigger_description($row['triggerid']),'events.php?source='.EVENT_SOURCE_TRIGGERS.'&triggerid='.$row['triggerid']);
				$row['caption'] = array($row['caption'],' [',$url,']');

			}

			if($row['status']==0 || (isset($service) && (bccomp($service['serviceid'] , $row['serviceid']) == 0))){
				$row['reason'] = '-';
			}
			else {
				$row['reason'] = '-';
				$result2=DBselect('SELECT s.triggerid,s.serviceid '.
								' FROM services s, triggers t '.
								' WHERE s.status>0 '.
									' AND s.triggerid is not NULL '.
									' AND t.triggerid=s.triggerid '.
									' AND '.DBcondition('t.triggerid',$available_triggers).
									' AND '.DBin_node('s.serviceid').
								' ORDER BY s.status DESC, t.description');

				while($row2=DBfetch($result2)){
					if(is_string($row['reason']) && ($row['reason'] == '-'))
						$row['reason'] = new CList(null,'itservices');
					if(does_service_depend_on_the_service($row['serviceid'],$row2['serviceid'])){
						$row['reason']->addItem(new CLink(
										expand_trigger_description($row2['triggerid']),
										'events.php?source='.EVENT_SOURCE_TRIGGERS.'&triggerid='.$row2['triggerid']));
					}
				}
			}

			if($row['showsla'] == 1){

				$stat = calculate_service_availability($row['serviceid'], $period_start, $period_end);

				$p = min($stat['problem'], 20);
				$sla_style = ($row['goodsla'] > $stat['ok'])? 'on':'off';

				$sizeX = 160;
				$sizeY = 15;
				$sizeX_red = $sizeX*$p/20;
				$sizeX_green = $sizeX - $sizeX_red;

				$sla_tab = new CTable(null,'invisible');

				$chart1 = null;
				if($sizeX_green > 0){
					$chart1 = new CDiv(null, 'sla_green');
					$chart1->setAttribute('style', 'width: '.$sizeX_green.'px;');
					$chart1 = new CLink($chart1,'report3.php?serviceid='.$row['serviceid'].'&year='.date('Y'),'image');
				}

				$chart2 = null;
				if($sizeX_red > 0){
					$chart2 = new CDiv(null, 'sla_red');
					$chart2->setAttribute('style', 'width: '.$sizeX_red.'px;');
					$chart2 = new CLink($chart2,'report3.php?serviceid='.$row['serviceid'].'&year='.date('Y'),'image');
				}

				$text = new CLink(sprintf('%.2f',$stat['problem']),'report3.php?serviceid='.$row['serviceid'].'&year='.date('Y'), $sla_style);

				$sla_tab->addRow(array($chart1, $chart2, SPACE, $text));

				$row['sla'] = $sla_tab;

				if($row['goodsla'] > $stat['ok']){
					$sla_style = 'red';
				}
				else {
					$sla_style = 'green';
				}

				$row['sla2'] = array(new CSpan(sprintf('%.2f',$row['goodsla']),'green'),'/', new CSpan(sprintf('%.2f',$stat['ok']),$sla_style));
			}
			else {
				$row['sla']= '-';
				$row['sla2']= '-';
			}

			if(isset($services[$row['serviceid']])){
				$services[$row['serviceid']] = zbx_array_merge($services[$row['serviceid']],$row);
			}
			else{
				$services[$row['serviceid']] = $row;
			}

			if(isset($row['serviceupid']))
			$services[$row['serviceupid']]['childs'][] = array('id' => $row['serviceid'], 'soft' => 0, 'linkid' => 0);

			if(isset($row['servicedownid']))
			$services[$row['serviceid']]['childs'][] = array('id' => $row['servicedownid'], 'soft' => 1, 'linkid' => $row['linkid']);
		}

		$treeServ = array();
		createShowServiceTree($services, $treeServ);	//return into $treeServ parametr

		//permission issue
		$treeServ = del_empty_nodes($treeServ);

		$tree = new CTree('service_status_tree',
							$treeServ,
							array('caption' => S_SERVICE,
								'status' => S_STATUS,
								'reason' => S_REASON,
								'sla' => 'SLA ('.$periods[$period].')',
								'sla2' => nbsp(S_SLA),
								'graph' => S_GRAPH)
						);

		if($tree){
// creates form for choosing a preset interval
			$r_form = new CForm();
			$r_form->setClass('nowrap');
			$r_form->setMethod('get');
			$r_form->setAttribute('name', 'period_choice');
			$r_form->addVar('fullscreen', $_REQUEST['fullscreen']);
			$period_combo = new CComboBox('period', $period, 'javascript: submit();');
			foreach($periods as $key => $val){
				$period_combo->addItem($key, $val);
			}

			$r_form->addItem(array(S_PERIOD.SPACE, $period_combo));

			$fs_icon = get_icon('fullscreen', array('fullscreen' => $_REQUEST['fullscreen']));

			$srv_wdgt = new CWidget('hat_services', $tree->getHTML());
			$srv_wdgt->addPageHeader(S_IT_SERVICES_BIG, $fs_icon);
			$srv_wdgt->addHeader(S_IT_SERVICES_BIG, $r_form);
			$srv_wdgt->show();
		}
		else {
			error(S_CANNOT_FORMAT_TREE_CHECK_LOGIC);
		}
	}


include_once('include/page_footer.php');
?>
