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zabbix/ui/tests/selenium/dashboard/testDashboardHostAvailabili...

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<?php
/*
** Zabbix
** Copyright (C) 2001-2023 Zabbix SIA
**
** 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
require_once dirname(__FILE__).'/../../include/CWebTest.php';
/**
* @backup widget, profiles
*/
class testDashboardHostAvailabilityWidget extends CWebTest {
/*
* SQL query to get widget and widget_field tables to compare hash values, but without widget_fieldid
* because it can change.
*/
private $sql = 'SELECT wf.widgetid, wf.type, wf.name, wf.value_int, wf.value_str, wf.value_groupid, wf.value_hostid,'.
' wf.value_itemid, wf.value_graphid, wf.value_sysmapid, w.widgetid, w.dashboard_pageid, w.type, w.name, w.x, w.y,'.
' w.width, w.height'.
' FROM widget_field wf'.
' INNER JOIN widget w'.
' ON w.widgetid=wf.widgetid ORDER BY wf.widgetid, wf.name, wf.value_int, wf.value_str, wf.value_groupid,'.
' wf.value_itemid, wf.value_graphid';
public static function getCreateWidgetData() {
return [
// Create a Host availability widget with default values.
[
[
'fields' => [
'Type' => 'Host availability'
]
]
],
// Create a Host availability widget with default values for Zabbix agent interface.
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => 'Single interface widget - default',
'Interface type' => 'Zabbix agent'
]
]
],
// Create a Host availability widget for Zabbix agent interface specifying every parameter.
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => 'Show hosts in maintenance',
'Refresh interval' => '1 minute',
'Host groups' => ['Group for Host availability widget', 'Group in maintenance for Host availability widget'],
'Interface type' => 'Zabbix agent',
'Show hosts in maintenance' => true
],
'expected_values' => [
'Total' => '6',
'Available' => '2',
'Not available' => '2',
'Unknown' => '2'
]
]
],
// Create the same widget as previous one, but with 'Show hosts in maintenance' = false.
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => 'Dont show hosts in maintenance',
'Refresh interval' => '10 minutes',
'Host groups' => ['Group for Host availability widget', 'Group in maintenance for Host availability widget'],
'Interface type' => 'Zabbix agent',
'Show hosts in maintenance' => false
],
'expected_values' => [
'Total' => '3',
'Available' => '1',
'Not available' => '1',
'Unknown' => '1'
]
]
],
// Create a Host availability widget that displays only IPMI interfaces including the ones in maintenance.
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => 'Host availability widget - IPMI with maintenance',
'Refresh interval' => '10 seconds',
'Interface type' => 'IPMI',
'Show hosts in maintenance' => true
],
'expected_values' => [
'Total' => '8',
'Available' => '2',
'Not available' => '2',
'Unknown' => '4'
]
]
],
// Create a Host availability widget that displays SNMP interface.
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => 'Host availability widget - SNMP',
'Refresh interval' => '2 minutes',
'Interface type' => 'SNMP',
'Layout' => 'Vertical'
],
'expected_values' => [
'Total' => '6',
'Available' => '1',
'Not available' => '1',
'Unknown' => '4'
]
]
],
// Create a Host availability widget that displays JMX interface.
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => 'Host availability widget - JMX',
'Refresh interval' => '10 minutes',
'Interface type' => 'JMX'
],
'expected_values' => [
'Total' => '7',
'Available' => '1',
'Not available' => '1',
'Unknown' => '5'
]
]
],
// Create a Host availability widget with all 4 interfaces selected.
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => 'All interfaces selected',
'Layout' => 'Vertical',
'Interface type' => ['Zabbix agent', 'SNMP', 'JMX', 'IPMI']
]
]
],
// Create a Host availability widget that displays SNMP, JMX, IPMI interface and display hosts in maintenance.
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => 'HA widget - show hosts in maintenance SNMP + JMX + IPMI',
'Refresh interval' => '1 minute',
'Show hosts in maintenance' => true,
'Interface type' => ['SNMP', 'JMX', 'IPMI']
],
'expected_values' => [
'SNMP' => [
'Available' => '2',
'Not available' => '2',
'Unknown' => '4',
'Total' => '8'
],
'JMX' => [
'Available' => '2',
'Not available' => '2',
'Unknown' => '5',
'Total' => '9'
],
'IPMI' => [
'Available' => '2',
'Not available' => '2',
'Unknown' => '4',
'Total' => '8'
]
]
]
],
// Create a Host availability widget with Vertical layout that displays SNMP, JMX and IPMI interfaces.
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => 'Vertical HA widget - SNMP + JMX + IPMI',
'Refresh interval' => '10 minutes',
'Layout' => 'Vertical',
'Interface type' => ['SNMP', 'JMX', 'IPMI']
],
'expected_values' => [
'Available' => [
'SNMP' => '1',
'JMX' => '1',
'IPMI' => '1'
],
'Not available' => [
'SNMP' => '1',
'JMX' => '1',
'IPMI' => '1'
],
'Unknown' => [
'SNMP' => '4',
'JMX' => '5',
'IPMI' => '4'
],
'Total' => [
'SNMP' => '6',
'JMX' => '7',
'IPMI' => '6'
]
]
]
],
// HA widget that displays SNMP, JMX and SNMP interfaces for host group with only Zabbix agent interfaces.
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => 'Misconfiguration - zeros should be returned',
'Refresh interval' => '1 minute',
'Host groups' => ['Group to check Overview'],
'Interface type' => ['SNMP', 'JMX', 'IPMI'],
'Show hosts in maintenance' => true
],
'expected_values' => [
'SNMP' => [
'Available' => '0',
'Not available' => '0',
'Unknown' => '0',
'Total' => '0'
],
'JMX' => [
'Available' => '0',
'Not available' => '0',
'Unknown' => '0',
'Total' => '0'
],
'IPMI' => [
'Available' => '0',
'Not available' => '0',
'Unknown' => '0',
'Total' => '0'
]
]
]
]
];
}
/**
* @dataProvider getCreateWidgetData
*/
public function testDashboardHostAvailabilityWidget_Create($data) {
$this->page->login()->open('zabbix.php?action=dashboard.view&dashboardid=1010');
$dashboard = CDashboardElement::find()->one();
$old_widget_count = $dashboard->getWidgets()->count();
// Add a widget.
$dialogue = $dashboard->edit()->addWidget();
$form = $dialogue->asForm();
$form->fill($data['fields']);
COverlayDialogElement::find()->waitUntilReady()->one();
$form->submit();
$this->page->waitUntilReady();
// Make sure that the widget is present before saving the dashboard.
$header = CTestArrayHelper::get($data['fields'], 'Name', 'Host availability');
$dashboard->getWidget($header);
$dashboard->save();
// Check that Dashboard has been saved and that widget has been added.
$this->checkDashboardUpdateMessage();
$this->assertEquals($old_widget_count + 1, $dashboard->getWidgets()->count());
// Check that widget has been added.
$this->checkRefreshInterval($data, $header);
// Verify widget content depending on the number of interfaces displayed (single or multiple)
$this->checkWidgetContent($data, $header);
}
public static function getUpdateWidgetData() {
return [
// Update the widget to return info for group in maintenance and remove "Show hosts in maintenance" flag.
[
[
'fields' => [
'Name' => 'Should return zeros',
'Refresh interval' => '1 minute',
'Host groups' => ['Group in maintenance for Host availability widget'],
'Interface type' => 'Zabbix agent',
'Show hosts in maintenance' => false
],
'expected_values' => [
'Total' => '0',
'Available' => '0',
'Not available' => '0',
'Unknown' => '0'
]
]
],
// Update the widget to return info for group in maintenance and set "Show hosts in maintenance" flag.
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => 'Return hosts in maintenance',
'Refresh interval' => '10 seconds',
'Host groups' => ['Group in maintenance for Host availability widget'],
'Interface type' => 'Zabbix agent',
'Show hosts in maintenance' => true
],
'expected_values' => [
'Total' => '3',
'Available' => '1',
'Not available' => '1',
'Unknown' => '1'
]
]
],
// Update the layout of the widget to Vertical and set Interface type to JMX.
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => 'Layout is now vertical',
'Refresh interval' => '2 minutes',
'Layout' => 'Vertical',
'Interface type' => 'JMX'
],
'expected_values' => [
'Total' => '7',
'Available' => '1',
'Not available' => '1',
'Unknown' => '5'
]
]
],
// Setting name of the widget to default value.
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => '',
'Refresh interval' => 'Default (15 minutes)',
'Interface type' => 'Zabbix agent'
]
]
],
// Update the widget to show hosts in maintenance option without defining host groups.
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => 'Show completely all hosts',
'Refresh interval' => 'No refresh',
'Interface type' => 'Zabbix agent',
'Show hosts in maintenance' => true
]
]
],
// Update the widget to display host availability for 2 interface types including hosts in maintenance.
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => 'Show completely all hosts for Zabbix agent and SNMP',
'Refresh interval' => '10 seconds',
'Interface type' => ['Zabbix agent', 'SNMP'],
'Show hosts in maintenance' => true
]
]
],
// Update the widget to display host availability for 3 interface types excluding hosts in maintenance.
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => 'Show hosts for Zabbix agent, SNMP and JMX',
'Refresh interval' => '2 minutes',
'Interface type' => ['Zabbix agent', 'SNMP', 'JMX']
]
]
],
// Update the widget to display host availability for all interfaces including hosts in maintenance. Layout = Vertical
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => 'Show completely all hosts for all interfaces',
'Refresh interval' => '2 minutes',
'Interface type' => ['Zabbix agent', 'SNMP', 'JMX', 'IPMI'],
'Show hosts in maintenance' => true,
'Layout' => 'Vertical'
]
]
],
// Display host availability for all interfaces for 2 host groups.
[
[
'fields' => [
'Type' => 'Host availability',
'Name' => 'Show all hosts for all interfaces of 2 groups',
'Refresh interval' => '10 minutes',
'Host groups' => ['Group for Host availability widget', 'Group in maintenance for Host availability widget'],
'Show hosts in maintenance' => true
],
'expected_values' => [
'Zabbix agent' => [
'Available' => '2',
'Not available' => '2',
'Unknown' => '2',
'Total' => '6'
],
'SNMP' => [
'Available' => '2',
'Not available' => '2',
'Unknown' => '0',
'Total' => '4'
],
'JMX' => [
'Available' => '2',
'Not available' => '2',
'Unknown' => '0',
'Total' => '4'
],
'IPMI' => [
'Available' => '2',
'Not available' => '2',
'Unknown' => '0',
'Total' => '4'
]
]
]
]
];
}
/**
* @backup widget
* @dataProvider getUpdateWidgetData
*/
public function testDashboardHostAvailabilityWidget_Update($data) {
$this->page->login()->open('zabbix.php?action=dashboard.view&dashboardid=1010');
$dashboard = CDashboardElement::find()->one();
$form = $dashboard->getWidget('Reference HA widget')->edit();
// Update the widget.
$header = ($data['fields']['Name'] === '') ? 'Host availability' : $data['fields']['Name'];
$form->fill($data['fields']);
$form->submit();
$this->page->waitUntilReady();
// Check that a widget with the corresponding header exists.
$dashboard->getWidget($header);
$dashboard->save();
// Check that Dashboard has been saved and that widget has been added.
$this->checkDashboardUpdateMessage();
// Check that widget has been added.
$this->checkRefreshInterval($data, $header);
// Verify widget content depending on the number of interfaces displayed (single or multiple)
$this->checkWidgetContent($data, $header);
}
public function testDashboardHostAvailabilityWidget_SimpleUpdate() {
$initial_values = CDBHelper::getHash($this->sql);
// Open a dashboard widget and then save it without applying any changes
$this->page->login()->open('zabbix.php?action=dashboard.view&dashboardid=1010');
$dashboard = CDashboardElement::find()->one();
$form = $dashboard->getWidget('Reference HA widget')->edit();
$form->submit();
$this->page->waitUntilReady();
$dashboard->getWidget('Reference HA widget');
$dashboard->save();
// Check that Dashboard has been saved and that there are no changes made to the widgets.
$this->checkDashboardUpdateMessage();
$this->assertEquals($initial_values, CDBHelper::getHash($this->sql));
}
public static function getCancelData() {
return [
// Cancel update widget.
[
[
'existing_widget' => 'Reference HA widget',
'save_widget' => true,
'save_dashboard' => false
]
],
[
[
'existing_widget' => 'Reference HA widget',
'save_widget' => false,
'save_dashboard' => true
]
],
// Cancel create widget.
[
[
'save_widget' => true,
'save_dashboard' => false
]
],
[
[
'save_widget' => false,
'save_dashboard' => true
]
]
];
}
/**
* @dataProvider getCancelData
*/
public function testDashboardHostAvailabilityWidget_Cancel($data) {
$old_hash = CDBHelper::getHash($this->sql);
$this->page->login()->open('zabbix.php?action=dashboard.view&dashboardid=1010');
$dashboard = CDashboardElement::find()->one();
// Start updating or creating a widget.
if (CTestArrayHelper::get($data, 'existing_widget', false)) {
$widget = $dashboard->getWidget($data['existing_widget']);
$form = $widget->edit();
}
else {
$overlay = $dashboard->edit()->addWidget();
$form = $overlay->asForm();
$form->getField('Type')->fill('Host availability');
$widget = $dashboard->getWidgets()->last();
}
$form->getField('Name')->fill('Widget to be cancelled');
// Save or cancel widget.
if (CTestArrayHelper::get($data, 'save_widget', false)) {
$form->submit();
$this->page->waitUntilReady();
// Check that changes took place on the unsaved dashboard.
$this->assertTrue($dashboard->getWidget('Widget to be cancelled')->isVisible());
}
else {
$this->query('button:Cancel')->one()->click();
// Check that widget changes didn't take place after pressing "Cancel".
if (CTestArrayHelper::get($data, 'existing_widget', false)) {
$this->assertNotEquals('Widget to be cancelled', $widget->waitUntilReady()->getHeaderText());
}
else {
// If test fails and widget isn't canceled, need to wait until widget appears on the dashboard.
sleep(5);
if ($widget->getID() !== $dashboard->getWidgets()->last()->getID()) {
$this->fail('New widget was added after pressing "Cancel"');
}
}
}
// Save or cancel dashboard update.
if (CTestArrayHelper::get($data, 'save_dashboard', false)) {
$dashboard->save();
}
else {
$dashboard->cancelEditing();
}
// Confirm that no changes were made to the widget.
$this->assertEquals($old_hash, CDBHelper::getHash($this->sql));
}
public function testDashboardHostAvailabilityWidget_Delete() {
$name = 'Reference HA widget to delete';
$this->page->login()->open('zabbix.php?action=dashboard.view&dashboardid=1010');
$dashboard = CDashboardElement::find()->one()->edit();
$widget = $dashboard->getWidget($name);
$dashboard->deleteWidget($name);
$this->page->waitUntilReady();
$dashboard->save();
// Check that Dashboard has been saved
$this->checkDashboardUpdateMessage();
// Confirm that widget is not present on dashboard
$this->assertFalse($dashboard->getWidget($name, false)->isValid());
// Check that widget is removed from DB.
$widget_sql = 'SELECT * FROM widget_field wf LEFT JOIN widget w ON w.widgetid=wf.widgetid WHERE w.name='.zbx_dbstr($name);
$this->assertEquals(0, CDBHelper::getCount($widget_sql));
}
private function checkDashboardUpdateMessage() {
$message = CMessageElement::find()->waitUntilVisible()->one();
$this->assertTrue($message->isGood());
$this->assertEquals('Dashboard updated', $message->getTitle());
}
private function checkWidgetContent($data, $header) {
if (array_key_exists('Interface type', $data['fields']) && !is_array($data['fields']['Interface type'])) {
$this->checkSingleInterfaceWidgetContent($data, $header);
}
else {
$this->checkMultipleInterfacesWidgetContent($data, $header);
}
}
/*
* Function that compares the data returned in the widget with values in dataprovider or with values taken from DB,
* if only 1 interface is returned in the widget.
*/
private function checkSingleinterfaceWidgetContent($data, $header) {
// Get widget content.
$dashboard = CDashboardElement::find()->one();
$widget = $dashboard->getWidget($header);
// Verify that layout is correct.
if (CTestArrayHelper::get($data['fields'], 'Layout', 'Horizontal') === 'Horizontal') {
$this->assertEquals($widget->query('class:totals-list-horizontal')->count(), 1);
$this->assertEquals($widget->query('class:totals-list-vertical')->count(), 0);
}
else {
$this->assertEquals($widget->query('class:totals-list-horizontal')->count(), 0);
$this->assertEquals($widget->query('class:totals-list-vertical')->count(), 1);
}
$results = [];
$classes = [
'Available' => 'host-avail-true',
'Not available' => 'host-avail-false',
'Unknown' => 'host-avail-unknown',
'Total' => 'host-avail-total'
];
// Get the count of hosts in each state that is returned by the widget.
foreach ($classes as $key => $class) {
$xpath = 'xpath:.//div[@class='.CXPathHelper::escapeQuotes($class).']/span';
$results[$key] = $widget->query($xpath)->one()->getText();
}
// If expected values defined in Data provider, check that they match the values shown in the widget.
if (CTestArrayHelper::get($data, 'expected_values', false)) {
$this->assertEquals($data['expected_values'], $results);
}
// Else get expected values from DB.
else {
$db_values = $this->getExpectedInterfaceCountFromDB($data, $data['fields']['Interface type']);
// Verify that values from the widget match values from DB.
$this->assertEquals($db_values, $results);
}
}
/*
* Function that compares the data returned in the widget with values in dataprovider or with values taken from DB,
* if there are more than 2 interfaces returned in the widget.
*/
private function checkMultipleInterfacesWidgetContent($data, $header) {
$default_interfaces = [
'type' => ['Zabbix agent', 'SNMP', 'JMX', 'IPMI'],
'status' => ['Available', 'Not available', 'Unknown', 'Total']
];
// Get widget content.
$dashboard = CDashboardElement::find()->one();
$widget = $dashboard->getWidget($header);
$content = $widget->getContent()->asTable();
$interfaces = CTestArrayHelper::get($data, 'fields.Interface type', $default_interfaces['type']);
// Index table with widget content by interface type, that is located in a column with a blank name.
$rows = $content->index('');
$table_headers = $content->getHeadersText();
// Exclude the 1st header that is always empty from the list of actual headers.
array_shift($table_headers);
if (CTestArrayHelper::get($data['fields'], 'Layout', 'Horizontal') === 'Horizontal') {
$column_headers = $default_interfaces['status'];
$row_headers = $interfaces;
}
else {
$column_headers = $interfaces;
$row_headers = $default_interfaces['status'];
}
$this->assertSame($column_headers, $table_headers);
// Check widget content based on its Layout parameter.
if (array_key_exists('expected_values', $data)) {
$this->assertEquals($data['expected_values'], $rows);
}
else {
// Take reference values from DB takin into account widget layout parameter.
foreach ($row_headers as $header) {
$db_values = $this->getExpectedInterfaceCountFromDB($data, $header);
$this->assertEquals($rows[$header], $db_values);
}
}
}
private function checkRefreshInterval($data, $header) {
$dashboard = CDashboardElement::find()->one();
$widget = $dashboard->getWidget($header);
$refresh = (CTestArrayHelper::get($data['fields'], 'Refresh interval') === 'Default (15 minutes)')
? '15 minutes'
: (CTestArrayHelper::get($data['fields'], 'Refresh interval', '15 minutes'));
$this->assertEquals($refresh, $widget->getRefreshInterval());
}
/*
* Get the number of interfaces by their type or status, depending on the layout of the HA widget.
* For horizontal layout interface type is passed to the function, but for vertical layout - interface status.
*/
private function getExpectedInterfaceCountFromDB($data, $header) {
$db_interfaces = [
'type' => [
'Zabbix agent' => 1,
'SNMP' => 2,
'IPMI' => 3,
'JMX' => 4
],
'interface' => [
'Zabbix agent' => 'available',
'SNMP' => 'available',
'IPMI' => 'available',
'JMX' => 'available'
],
'status' => [
'Unknown' => 0,
'Available' => 1,
'Not available' => 2
]
];
// Select unique hostids for certain type of interfaces
$interfaces_sql = 'SELECT DISTINCT(hostid) FROM interface WHERE type=';
// Select hostids for host entries that are not templates or proxies and that are not host prototypes.
$hosts_sql = 'SELECT hostid FROM hosts WHERE status IN (0,1) AND flags!=2';
// Construct sql for horizontal widget layout.
if (CTestArrayHelper::get($data, 'fields.Layout', 'Horizontal') === 'Horizontal') {
$total_sql = $interfaces_sql.$db_interfaces['type'][$header].' AND hostid IN ('.$hosts_sql;
// Filter out hosts in maintenance if the flag 'Show hosts in maintenance' is not set.
if (CTestArrayHelper::get($data['fields'], 'Show hosts in maintenance', false) === false) {
$total_sql = $total_sql.' AND maintenance_status=0';
}
// Add interface status flag. Possible values: 0 - unknown, 1 - available, 2 - not available.
$db_values = [
'Available' => CDBHelper::getCount($total_sql.' AND '.$db_interfaces['interface'][$header].'=1)'),
'Not available' => CDBHelper::getCount($total_sql.' AND '.$db_interfaces['interface'][$header].'=2)'),
'Unknown' => CDBHelper::getCount($total_sql.' AND '.$db_interfaces['interface'][$header].'=0)'),
'Total' => CDBHelper::getCount($total_sql.')')
];
}
// Construct sql for vertical widget layout.
else {
// Filter out hosts in maintenance if the flag 'Show hosts in maintenance' is not set.
if (CTestArrayHelper::get($data['fields'], 'Show hosts in maintenance', false) === false) {
$hosts_sql = $hosts_sql.' AND maintenance_status=0';
}
// The SQL for Total interface number doesn't use interface status and needs to be constructed separately.
if ($header === 'Total'){
$db_values = [
'Zabbix agent' => CDBHelper::getCount($interfaces_sql.'1 AND hostid IN ('.$hosts_sql.')'),
'SNMP' => CDBHelper::getCount($interfaces_sql.'2 AND hostid IN ('.$hosts_sql.')'),
'IPMI' => CDBHelper::getCount($interfaces_sql.'3 AND hostid IN ('.$hosts_sql.')'),
'JMX' => CDBHelper::getCount($interfaces_sql.'4 AND hostid IN ('.$hosts_sql.')')
];
}
else {
// Add interface status flag based on interface type.
$db_values = [
'Zabbix agent' => CDBHelper::getCount($interfaces_sql.'1 AND available='.
$db_interfaces['status'][$header].' AND hostid IN ('.$hosts_sql.')'),
'SNMP' => CDBHelper::getCount($interfaces_sql.'2 AND available='.
$db_interfaces['status'][$header].' AND hostid IN ('.$hosts_sql.')'),
'IPMI' => CDBHelper::getCount($interfaces_sql.'3 AND available='.
$db_interfaces['status'][$header].' AND hostid IN ('.$hosts_sql.')'),
'JMX' => CDBHelper::getCount($interfaces_sql.'4 AND available='.
$db_interfaces['status'][$header].' AND hostid IN ('.$hosts_sql.')')
];
}
}
return $db_values;
}
}