119 lines
4.0 KiB
PHP
119 lines
4.0 KiB
PHP
<?php
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/**
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* Observium
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*
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* This file is part of Observium.
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*
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* @package observium
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* @subpackage graphs
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* @copyright (C) 2006-2013 Adam Armstrong, (C) 2013-2023 Observium Limited
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*
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*/
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$src = device_by_id_cache($vars['src']);
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// Dear Tobias. You write in Perl, this makes me hate you forever.
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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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include_once($config['html_dir'] . "/includes/graphs/common.inc.php");
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include("smokeping_common.inc.php");
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$i = 0;
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$pings = 20;
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$iter = 0;
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$colourset = "mixed";
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if ($width > "500") {
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$descr_len = 18;
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} else {
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$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, $descr_len + 5) . " RTT Loss SDev RTT\:SDev \l'";
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} else {
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$rrd_options .= " COMMENT:'" . substr(str_pad($unit_text, $descr_len + 5), 0, $descr_len + 5) . " RTT Loss SDev RTT\:SDev \l'";
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}
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$target = $device['hostname'];
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if ($config['smokeping']['suffix']) {
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$target = str_replace($config['smokeping']['suffix'], "", $target);
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}
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if ($config['smokeping']['split_char']) {
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$target = str_replace(".", $config['smokeping']['split_char'], $target);
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}
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if (isset($config['smokeping']['master_hostname'])) {
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$master_hostname = $config['smokeping']['master_hostname'];
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} else {
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$master_hostname = $config['own_hostname'] ?: get_localhost();
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}
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foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($config['smokeping']['dir'])) as $filename_dir) {
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if (($src['hostname'] == $master_hostname) && strstr($filename_dir, $target . ".rrd")) {
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$filename = $filename_dir;
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} elseif (strstr($filename_dir, $target . "~" . $src['hostname'] . ".rrd")) {
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$filename = $filename_dir;
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}
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}
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if (!isset($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, $descr_len);
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$filename_escape = rrdtool_escape($filename);
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$rrd_options .= " DEF:median$i=" . $filename_escape . ":median:AVERAGE ";
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$rrd_options .= " DEF:loss$i=" . $filename_escape . ":loss:AVERAGE";
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$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_escape . ":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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// EOF
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