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			112 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			112 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/*
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 * Copyright (C) 2015 Daniel Preussker <f0o@devilcode.org>
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation, either version 3 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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/**
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 * Device-Grouping
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 * @author Daniel Preussker <f0o@devilcode.org>
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 * @copyright 2015 f0o, LibreNMS
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 * @license GPL
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 * @package LibreNMS
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 * @subpackage Devices
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 */
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/**
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 * Generate SQL from Group-Pattern
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 * @param string $pattern Pattern to generate SQL for
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 * @param string $search  What to searchid for
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 * @return string
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 */
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function GenGroupSQL($pattern, $search='') {
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    $tmp    = explode(' ', $pattern);
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    $tables = array();
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    foreach ($tmp as $opt) {
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        if (strstr($opt, '%') && strstr($opt, '.')) {
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            $tmpp     = explode('.', $opt, 2);
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            $tmpp[0]  = str_replace('%', '', $tmpp[0]);
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            $tables[] = mres(str_replace('(', '', $tmpp[0]));
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            $pattern  = str_replace($opt, $tmpp[0].'.'.$tmpp[1], $pattern);
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        }
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    }
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    $tables = array_keys(array_flip($tables));
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    $x      = sizeof($tables);
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    $i      = 0;
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    $join   = '';
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    while ($i < $x) {
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        if (isset($tables[($i + 1)])) {
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            $join .= $tables[$i].'.device_id = '.$tables[($i + 1)].'.device_id && ';
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        }
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        $i++;
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    }
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    if (!empty($search)) {
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        $search .= ' &&';
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    }
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    $sql = 'SELECT DISTINCT('.str_replace('(', '', $tables[0]).'.device_id) FROM '.implode(',', $tables).' WHERE '.$search.' ('.str_replace(array('%', '@', '!~', '~'), array('', '%', 'NOT LIKE', 'LIKE'), $pattern).')';
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    return $sql;
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}//end GenGroupSQL()
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/**
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 * Get all devices of Group
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 * @param integer $group_id Group-ID
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 * @return string
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 */
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function GetDevicesFromGroup($group_id) {
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    $pattern     = dbFetchCell('SELECT pattern FROM device_groups WHERE id = ?', array($group_id));
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    $pattern = rtrim($pattern, '&&');
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    $pattern = rtrim($pattern, '||');
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    if (!empty($pattern)) {
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        return dbFetchRows(GenGroupSQL($pattern));
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    }
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    return false;
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}//end GetDevicesFromGroup()
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/**
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 * Get all Device-Groups
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 * @return array
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 */
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function GetDeviceGroups() {
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    return dbFetchRows('SELECT * FROM device_groups');
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}//end GetDeviceGroups()
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/**
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 * Get all groups of Device
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 * @param integer $device Device-ID
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 * @return array
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 */
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function GetGroupsFromDevice($device) {
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    $ret = array();
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    foreach (GetDeviceGroups() as $group) {
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        if (dbFetchCell(GenGroupSQL($group['pattern'], 'device_id=?').' LIMIT 1', array($device)) == $device) {
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            $ret[] = $group['id'];
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        }
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    }
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    return $ret;
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}//end GetGroupsFromDevice()
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