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74 lines
2.6 KiB
PHP
74 lines
2.6 KiB
PHP
<?php
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/**
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* wireless-sensor.inc.php
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*
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* Common file for Wireless Sensor Graphs
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*
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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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* @package LibreNMS
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* @link http://librenms.org
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* @copyright 2017 Tony Murray
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* @author Tony Murray <murraytony@gmail.com>
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*/
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require 'includes/html/graphs/common.inc.php';
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// escape % characters
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$unit = preg_replace('/(?<!%)%(?!%)/', '%%', $unit);
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$output_def = 'sensor';
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$num = '%5.1lf'; // default: float
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if ($unit === '') {
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$num = '%5.0lf';
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} elseif ($unit == 'bps') {
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$num .= '%s';
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} elseif ($unit == 'Hz') {
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$output_def = 'sensorhz';
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$num = '%5.3lf%s';
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}
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$sensors = dbFetchRows(
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'SELECT * FROM `wireless_sensors` WHERE `sensor_class` = ? AND `device_id` = ? ORDER BY `sensor_index`',
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array($class, $device['device_id'])
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);
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if (count($sensors) == 1 && $unit_long == $sensors[0]['sensor_descr']) {
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$unit_long = '';
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}
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$col_w = 7 + strlen($unit);
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$rrd_options .= " COMMENT:'". str_pad($unit_long, 35) . str_pad("Cur", $col_w). str_pad("Min", $col_w) . "Max\\n'";
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foreach ($sensors as $index => $sensor) {
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$sensor_id = $sensor['sensor_id'];
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$colour_index = $index % count(\LibreNMS\Config::get('graph_colours.mixed'));
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$colour = \LibreNMS\Config::get("graph_colours.mixed.$colour_index");
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$sensor_descr_fixed = rrdtool_escape($sensor['sensor_descr'], 28);
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$rrd_file = rrd_name($device['hostname'], array('wireless-sensor', $sensor['sensor_class'], $sensor['sensor_type'], $sensor['sensor_index']));
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$rrd_options .= " DEF:sensor$sensor_id=$rrd_file:sensor:AVERAGE";
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if ($unit == 'Hz') {
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$rrd_options .= " CDEF:sensorhz$sensor_id=sensor$sensor_id,1000000,*";
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}
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$rrd_options .= " LINE1.5:$output_def$sensor_id#$colour:'$sensor_descr_fixed'";
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$rrd_options .= " GPRINT:$output_def$sensor_id:LAST:'$num$unit'";
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$rrd_options .= " GPRINT:$output_def$sensor_id:MIN:'$num$unit'";
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$rrd_options .= " GPRINT:$output_def$sensor_id:MAX:'$num$unit'\\l ";
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$iter++;
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}//end foreach
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