mirror of
https://github.com/librenms/librenms.git
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98 lines
3.4 KiB
PHP
98 lines
3.4 KiB
PHP
<?php
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$dest = device_by_id_cache($_GET['dest']);
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// This is my translation of Smokeping's graphing.
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// Thanks to Bill Fenner for Perl->Human translation:>
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$scale_min = 0;
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$scale_rigid = true;
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require 'includes/graphs/common.inc.php';
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require 'smokeping_common.inc.php';
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$i = 0;
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$pings = $config['smokeping']['pings'];
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$iter = 0;
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$colourset = 'mixed';
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if ($width > '500') {
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$descr_len = 18;
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}
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else {
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$descr_len = (12 + round(($width - 275) / 8));
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}
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if ($width > '500') {
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$rrd_options .= " COMMENT:'".substr(str_pad($unit_text, ($descr_len + 5)), 0, ($descr_len + 5))." RTT Loss SDev RTT\:SDev \l'";
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}
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else {
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$rrd_options .= " COMMENT:'".substr(str_pad($unit_text, ($descr_len + 5)), 0, ($descr_len + 5))." RTT Loss SDev RTT\:SDev \l'";
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}
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if ($device['hostname'] == $config['own_hostname']) {
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$filename = $config['smokeping']['dir'].$dest['hostname'].'.rrd';
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if (!file_exists($filename)) {
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// Try with dots in hostname replaced by underscores
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$filename = $config['smokeping']['dir'].str_replace('.', '_', $dest['hostname']).'.rrd';
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}
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}
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else {
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$filename = $config['smokeping']['dir'].$dest['hostname'].'~'.$device['hostname'].'.rrd';
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if (!file_exists($filename)) {
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// Try with dots in hostname replaced by underscores
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$filename = $config['smokeping']['dir'].str_replace('.', '_', $dest['hostname']).'~'.$device['hostname'].'.rrd';
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}
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}
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if (!isset($config['graph_colours'][$colourset][$iter])) {
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$iter = 0;
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}
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$colour = $config['graph_colours'][$colourset][$iter];
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$iter++;
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$descr = rrdtool_escape($source, $descr_len);
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$rrd_options .= " DEF:median$i=".$filename.':median:AVERAGE ';
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$rrd_options .= " DEF:loss$i=".$filename.':loss:AVERAGE';
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$rrd_options .= " CDEF:ploss$i=loss$i,$pings,/,100,*";
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$rrd_options .= " CDEF:dm$i=median$i";
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// $rrd_options .= " CDEF:dm$i=median$i,0,".$max->{$start}.",LIMIT";
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// start emulate Smokeping::calc_stddev
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foreach (range(1, $pings) as $p) {
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$rrd_options .= ' DEF:pin'.$i.'p'.$p.'='.$filename.':ping'.$p.':AVERAGE';
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$rrd_options .= ' CDEF:p'.$i.'p'.$p.'=pin'.$i.'p'.$p.',UN,0,pin'.$i.'p'.$p.',IF';
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}
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unset($pings_options, $m_options, $sdev_options);
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foreach (range(2, $pings) as $p) {
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$pings_options .= ',p'.$i.'p'.$p.',UN,+';
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$m_options .= ',p'.$i.'p'.$p.',+';
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$sdev_options .= ',p'.$i.'p'.$p.',m'.$i.',-,DUP,*,+';
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}
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$rrd_options .= ' CDEF:pings'.$i.'='.$pings.',p'.$i.'p1,UN'.$pings_options.',-';
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$rrd_options .= ' CDEF:m'.$i.'=p'.$i.'p1'.$m_options.',pings'.$i.',/';
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$rrd_options .= ' CDEF:sdev'.$i.'=p'.$i.'p1,m'.$i.',-,DUP,*'.$sdev_options.',pings'.$i.',/,SQRT';
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// end emulate Smokeping::calc_stddev
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$rrd_options .= " CDEF:dmlow$i=dm$i,sdev$i,2,/,-";
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$rrd_options .= " CDEF:s2d$i=sdev$i";
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$rrd_options .= " AREA:dmlow$i";
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$rrd_options .= " AREA:s2d$i#".$colour.'30::STACK';
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$rrd_options .= " LINE1:dm$i#".$colour.":'$descr'";
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// $rrd_options .= " LINE1:sdev$i#000000:$descr";
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$rrd_options .= " VDEF:avmed$i=median$i,AVERAGE";
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$rrd_options .= " VDEF:avsd$i=sdev$i,AVERAGE";
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$rrd_options .= " CDEF:msr$i=median$i,POP,avmed$i,avsd$i,/";
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$rrd_options .= " VDEF:avmsr$i=msr$i,AVERAGE";
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$rrd_options .= " GPRINT:avmed$i:'%5.1lf%ss'";
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$rrd_options .= " GPRINT:ploss$i:AVERAGE:'%5.1lf%%'";
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$rrd_options .= " GPRINT:avsd$i:'%5.1lf%Ss'";
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$rrd_options .= " GPRINT:avmsr$i:'%5.1lf%s\\l'";
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$i++;
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