librenms/includes/device-groups.inc.php
2015-04-20 16:44:01 +00:00

95 lines
2.6 KiB
PHP

<?php
/* Copyright (C) 2015 Daniel Preussker <f0o@devilcode.org>
* 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 3 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, see <http://www.gnu.org/licenses/>. */
/**
* Device-Grouping
* @author Daniel Preussker <f0o@devilcode.org>
* @copyright 2015 f0o, LibreNMS
* @license GPL
* @package LibreNMS
* @subpackage Devices
*/
/**
* Generate SQL from Group-Pattern
* @param string $pattern Pattern to generate SQL for
* @param string $search What to searchid for
* @return string
*/
function GenGroupSQL($pattern,$search='') {
$tmp = explode(" ",$pattern);
$tables = array();
foreach( $tmp as $opt ) {
if( strstr($opt,'%') && strstr($opt,'.') ) {
$tmpp = explode(".",$opt,2);
$tmpp[0] = str_replace("%","",$tmpp[0]);
$tables[] = mres(str_replace("(","",$tmpp[0]));
$pattern = str_replace($opt,$tmpp[0].'.'.$tmpp[1],$pattern);
}
}
$tables = array_keys(array_flip($tables));
$x = sizeof($tables);
$i = 0;
$join = "";
while( $i < $x ) {
if( isset($tables[$i+1]) ) {
$join .= $tables[$i].".device_id = ".$tables[$i+1].".device_id && ";
}
$i++;
}
if( !empty($search) ) {
$search .= " &&";
}
$sql = "SELECT DISTINCT(".str_replace("(","",$tables[0]).".device_id) FROM ".implode(",",$tables)." WHERE ".$search." (".str_replace(array("%","@","!~","~"),array("","%","NOT LIKE","LIKE"),$pattern).")";
return $sql;
}
/**
* Get all devices of Group
* @param int $group_id Group-ID
* @return string
*/
function GetDevicesFromGroup($group_id) {
$pattern = dbFetchCell("SELECT pattern FROM device_groups WHERE id = ?",array($group_id));
if( !empty($pattern) ) {
return dbFetchRows(GenGroupSQL($pattern));
}
return false;
}
/**
* Get all Device-Groups
* @return array
*/
function GetDeviceGroups() {
return dbFetchRows("SELECT * FROM device_groups");
}
/**
* Get all groups of Device
* @param int $device Device-ID
* @return array
*/
function GetGroupsFromDevice($device) {
$ret = array();
foreach( GetDeviceGroups() as $group ) {
if( dbFetchCell(GenGroupSQL($group['pattern'],'device_id=?').' LIMIT 1',array($device)) == $device ){
$ret[] = $group['id'];
}
}
return $ret;
}
?>