1<?php
2/**
3 * wireless-sensor.inc.php
4 *
5 * Common file for Wireless Sensor Graphs
6 *
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
19 *
20 * @link       https://www.librenms.org
21 * @copyright  2017 Tony Murray
22 * @author     Tony Murray <murraytony@gmail.com>
23 */
24require 'includes/html/graphs/common.inc.php';
25
26// escape % characters
27$unit = preg_replace('/(?<!%)%(?!%)/', '%%', $unit);
28
29if ($unit_long == $sensor['sensor_descr']) {
30    $unit_long = '';
31}
32
33$col_w = 7 + strlen($unit);
34$sensor_descr_fixed = \LibreNMS\Data\Store\Rrd::fixedSafeDescr($sensor['sensor_descr'], 28);
35
36$rrd_options .= " COMMENT:'" . str_pad($unit_long, 35) . str_pad('Cur', $col_w) . str_pad('Min', $col_w) . "Max\\n'";
37$rrd_options .= " DEF:sensor=$rrd_filename:sensor:AVERAGE";
38
39$num = '%5.2lf'; // default: float
40$output_def = 'sensor';
41$factor = 1;
42if ($unit === '') {
43    $num = '%5.0lf';
44} elseif ($unit == 'bps') {
45    $num = '%5.3lf%s';
46} elseif ($unit == 'Hz') {
47    $num = '%5.3lf%s';
48    $factor = 1000000;
49    $output_def = 'sensorhz';
50    $rrd_options .= " CDEF:$output_def=sensor,$factor,*";
51} elseif ($unit == 'm') {
52    $num = '%5.3lf%s';
53    $factor = 1000;
54    $output_def = 'sensorm';
55    $rrd_options .= " CDEF:$output_def=sensor,$factor,*";
56}
57
58$rrd_options .= " LINE1.5:$output_def#0000cc:'$sensor_descr_fixed'";
59
60if (isset($scale_min) && $scale_min >= 0) {
61    $rrd_options .= " AREA:$output_def#0000cc55";
62}
63
64// ---- limits ----
65
66if ($vars['width'] > 300) {
67    if (is_numeric($sensor['sensor_limit'])) {
68        $rrd_options .= ' LINE1:' . $sensor['sensor_limit'] * $factor . '#cc000060::dashes';
69    }
70
71    if (is_numeric($sensor['sensor_limit_low'])) {
72        $rrd_options .= ' LINE1:' . $sensor['sensor_limit_low'] * $factor . '#cc000060::dashes';
73    }
74}
75
76// ---- legend ----
77
78$rrd_options .= " GPRINT:$output_def:LAST:'$num$unit'";
79$rrd_options .= " GPRINT:$output_def:MIN:'$num$unit'";
80$rrd_options .= " GPRINT:$output_def:MAX:'$num$unit'\\l";
81