functions.php

<?php
/*
 +-------------------------------------------------------------------------+
 | Copyright (C) 2021-2024 Petr Macek                                      |
 |                                                                         |
 | 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.                            |
 +-------------------------------------------------------------------------+
 | Cacti: The Complete RRDtool-based Graphing Solution                     |
 +-------------------------------------------------------------------------+
 | This code is designed, written, and maintained by the Cacti Group. See  |
 | about.php and/or the AUTHORS file for specific developer information.   |
 +-------------------------------------------------------------------------+
 | https://github.com/xmacan/                                              |
 | http://www.cacti.net/                                                   |
 +-------------------------------------------------------------------------+
*/

function uptime_get_allowed_devices($user_id, $array = false) {

	$x  = 0;
	$us = read_user_setting('hide_disabled', false, false, $user_id);

	if ($us == 'on') {
		set_user_setting('hide_disabled', '', $user_id);
	}

	$allowed = get_allowed_devices('', 'null', -1, $x, $user_id);

	if ($us == 'on') {
		set_user_setting('hide_disabled', 'on', $user_id);
	}

	if (cacti_count($allowed)) {
		if ($array) {
			return(array_column($allowed, 'id'));
		}
		return implode(',', array_column($allowed, 'id'));
	} else {
		return false;
	}
}


function uptime_display_events($host_id) {

	if (!in_array($host_id, uptime_get_allowed_devices ($_SESSION['sess_user_id'], true)))    {
		print 'You haven\'t  permission for ' . $host_id;
		return false;
	}

	if (basename($_SERVER['PHP_SELF']) == 'uptime_tab.php') {
		$limit = 1000;
		$text= '';
	} else {
		$limit = 20;
		$text = '(last 20 events)';
	}

	html_start_box('<strong>Uptime/restart history ' . $text . '</strong>', '100%', '', '3', 'center', '');
	print "<tr class='tableHeader'><th>Date</th><th>Flag</th><th>Info</th></tr>";

	$records = db_fetch_assoc_prepared ('SELECT * FROM plugin_uptime_data 
		WHERE host_id = ? 
		ORDER BY id DESC LIMIT ' . $limit,
		array($host_id));

	if (cacti_sizeof ($records) > 0) {
		$i = 0;
		foreach ($records as $record)   {
			$i++;
			form_alternate_row("x$i", true);
			print "<td class='nowrap'>" . date('Y-m-d H:i',$record['timestamp']) . '</td>';
			print "<td class='nowrap'>" . $record['state'] . '</td>';
			print "<td class='nowrap'>" . $record['info'] . '</td>';
			form_end_row();
		}

		$count = db_fetch_cell_prepared ("SELECT count(*) FROM host 
			WHERE disabled != 'on' AND id = ? AND availability_method IN (1,2,5,6)",
			array($host_id));

		if ($count == 0)        {
			print '<br/><b>For uptime plugin you have to choose any SNMP availability option</b><br/>';
		}
	} else {
		print '<tr><td colspan=3>No data</td></tr>';
	}

	html_end_box(false);
}