From 8d0358af583d921da35d8ac9ae96d5c419ce5ba3 Mon Sep 17 00:00:00 2001
From: Pim van den Berg
Date: Sat, 3 May 2014 11:23:52 +0200
Subject: type: move generic functions to base class
---
type/Default.class.php | 296 +------------------------------------------------
1 file changed, 2 insertions(+), 294 deletions(-)
(limited to 'type/Default.class.php')
diff --git a/type/Default.class.php b/type/Default.class.php
index e101e3b..52827c2 100644
--- a/type/Default.class.php
+++ b/type/Default.class.php
@@ -1,300 +1,8 @@
datadir = $config['datadir'];
- $this->rrdtool = $config['rrdtool'];
- $this->rrdtool_opts = $config['rrdtool_opts'];
- $this->cache = $config['cache'];
- $this->parse_get($_get);
- $this->rrd_files();
- $this->width = isset($_get['x']) ? $_get['x'] : $config['width'];
- $this->height = isset($_get['y']) ? $_get['y'] : $config['height'];
- $this->graph_type = $config['graph_type'];
- $this->negative_io = $config['negative_io'];
- $this->graph_smooth = $config['graph_smooth'];
- }
-
- function rainbow_colors() {
- $c = 0;
- $sources = count($this->rrd_get_sources());
- foreach ($this->rrd_get_sources() as $ds) {
- # hue (saturnation=1, value=1)
- $h = $sources > 1 ? 360 - ($c * (330/($sources-1))) : 360;
-
- $h = ($h %= 360) / 60;
- $f = $h - floor($h);
- $q[0] = $q[1] = 0;
- $q[2] = 1*(1-1*(1-$f));
- $q[3] = $q[4] = 1;
- $q[5] = 1*(1-1*$f);
-
- $hex = '';
- foreach(array(4,2,0) as $j) {
- $hex .= sprintf('%02x', $q[(floor($h)+$j)%6] * 255);
- }
- $this->colors[$ds] = $hex;
- $c++;
- }
- }
-
- # parse $_GET values
- function parse_get($_get) {
- $this->args = array(
- 'host' => isset($_get['h']) ? $_get['h'] : null,
- 'plugin' => isset($_get['p']) ? $_get['p'] : null,
- 'pinstance' => isset($_get['pi']) ? $_get['pi'] : null,
- 'category' => isset($_get['c']) ? $_get['c'] : null,
- 'type' => isset($_get['t']) ? $_get['t'] : null,
- 'tinstance' => isset($_get['ti']) ? $_get['ti'] : null,
- );
- $this->seconds = isset($_get['s']) ? $_get['s'] : null;
- }
-
- function validate_color($color) {
- if (!preg_match('/^[0-9a-f]{6}$/', $color))
- return '000000';
- else
- return $color;
- }
-
- function get_faded_color($fgc, $bgc='ffffff', $percent=0.25) {
- $fgc = $this->validate_color($fgc);
- if (!is_numeric($percent))
- $percent=0.25;
-
- $rgb = array('r', 'g', 'b');
-
- $fg['r'] = hexdec(substr($fgc,0,2));
- $fg['g'] = hexdec(substr($fgc,2,2));
- $fg['b'] = hexdec(substr($fgc,4,2));
- $bg['r'] = hexdec(substr($bgc,0,2));
- $bg['g'] = hexdec(substr($bgc,2,2));
- $bg['b'] = hexdec(substr($bgc,4,2));
-
- foreach ($rgb as $pri) {
- $c[$pri] = dechex(round($percent * $fg[$pri]) + ((1.0 - $percent) * $bg[$pri]));
- if ($c[$pri] == '0')
- $c[$pri] = '00';
- }
-
- return $c['r'].$c['g'].$c['b'];
- }
-
- function rrd_escape($value) {
- if ($this->graph_type == 'canvas') {
- # http://oss.oetiker.ch/rrdtool/doc/rrdgraph_graph.en.html#IEscaping_the_colon
- return str_replace(':', '\:', $value);
- } else {
- # php needs it double escaped to execute rrdtool correctly
- return str_replace(':', '\\\:', $value);
- }
- }
-
- function parse_filename($file) {
- if ($this->graph_type == 'canvas') {
- $file = str_replace($this->datadir . '/', '', $file);
- # rawurlencode all but /
- $file = 'rrd.php?' . str_replace('%2F', '/', rawurlencode($file));
- } else {
- # escape characters
- $file = str_replace(array(' ', '(', ')'), array('\ ', '\(', '\)'), $file);
- }
- return $this->rrd_escape($file);
- }
-
- function rrd_files() {
- $files = $this->get_filenames();
-
- foreach($files as $filename) {
- $basename=basename($filename,'.rrd');
- $instance = strpos($basename,'-')
- ? substr($basename, strpos($basename,'-') + 1)
- : 'value';
-
- $this->tinstances[] = $instance;
- $this->files[$instance] = $filename;
- $this->identifiers[$instance] = preg_replace("#^$this->datadir/(.*)\.rrd$#", '$1', $filename);
- }
-
- sort($this->tinstances);
- ksort($this->files);
- ksort($this->identifiers);
- }
-
- function get_filenames() {
- $identifier = sprintf('%s/%s%s%s%s%s/%s%s%s',
- $this->args['host'],
- $this->args['plugin'],
- strlen($this->args['category']) ? '-' : '', $this->args['category'],
- strlen($this->args['pinstance']) ? '-' : '', $this->args['pinstance'],
- $this->args['type'],
- strlen($this->args['tinstance']) ? '-' : '', $this->args['tinstance']
- );
- $identifier = preg_replace("/([*?[])/", '[$1]', $identifier);
-
- $wildcard = strlen($this->args['tinstance']) ? '.' : '[-.]*';
-
- $files = glob($this->datadir .'/'. $identifier . $wildcard . 'rrd');
-
- return $files;
- }
-
- function rrd_graph($debug = false) {
- if (!$this->colors)
- $this->rainbow_colors();
-
- $graphdata = $this->rrd_gen_graph();
-
- $style = $debug !== false ? $debug : $this->graph_type;
- switch ($style) {
- case 'cmd':
- print '';
- foreach ($graphdata as $d) {
- printf("%s \\\n", $d);
- }
- print '';
- break;
- case 'canvas':
- printf('';
- break;
- case 'debug':
- case 1:
- print '';
- print_r($graphdata);
- print '
';
- break;
- case 'svg':
- # caching
- if (is_numeric($this->cache) && $this->cache > 0)
- header("Expires: " . date(DATE_RFC822,strtotime($this->cache." seconds")));
- header("content-type: image/svg+xml");
- $graphdata = implode(' ', $graphdata);
- echo `$graphdata`;
- break;
- case 'png':
- default:
- # caching
- if (is_numeric($this->cache) && $this->cache > 0)
- header("Expires: " . date(DATE_RFC822,strtotime($this->cache." seconds")));
- header("content-type: image/png");
- $graphdata = implode(' ', $graphdata);
- echo `$graphdata`;
- break;
- }
- }
-
- function rrd_options() {
- switch ($this->graph_type) {
- case 'png':
- case 'hybrid':
- $rrdgraph[] = $this->rrdtool;
- $rrdgraph[] = 'graph - -a PNG';
- break;
- case 'svg':
- $rrdgraph[] = $this->rrdtool;
- $rrdgraph[] = 'graph - -a SVG';
- break;
- default:
- break;
- }
- if ($this->rrdtool_opts != '')
- $rrdgraph[] = $this->rrdtool_opts;
- if ($this->graph_smooth)
- $rrdgraph[] = '-E';
- $rrdgraph[] = sprintf('-w %d', is_numeric($this->width) ? $this->width : 400);
- $rrdgraph[] = sprintf('-h %d', is_numeric($this->height) ? $this->height : 175);
- $rrdgraph[] = '-l 0';
- $rrdgraph[] = sprintf('-t "%s on %s"', $this->rrd_title, $this->args['host']);
- if ($this->rrd_vertical)
- $rrdgraph[] = sprintf('-v "%s"', $this->rrd_vertical);
- $rrdgraph[] = sprintf('-s e-%d', is_numeric($this->seconds) ? $this->seconds : 86400);
-
- return $rrdgraph;
- }
-
- function rrd_get_sources() {
- # is the source spread over multiple files?
- if (is_array($this->files) && count($this->files)>1) {
- # and must it be ordered?
- if (is_array($this->order)) {
- $this->tinstances = array_merge(array_intersect($this->order, $this->tinstances));
- }
- # use tinstances as sources
- if(is_array($this->data_sources) && count($this->data_sources)>1) {
- $sources = array();
- foreach($this->tinstances as $f) {
- foreach($this->data_sources as $s) {
- $sources[] = $f . '-' . $s;
- }
- }
- }
- else {
- $sources = $this->tinstances;
- }
- }
- # or one file with multiple data_sources
- else {
- if(is_array($this->data_sources) && count($this->data_sources)==1 && in_array('value', $this->data_sources)) {
- # use tinstances as sources
- $sources = $this->tinstances;
- } else {
- # use data_sources as sources
- $sources = $this->data_sources;
- }
- }
- $this->parse_ds_names($sources);
- return $sources;
- }
-
- function parse_ds_names($sources) {
- # fill ds_names if not defined by plugin
- if (!is_array($this->ds_names))
- $this->ds_names = array_combine($sources, $sources);
-
- # detect length of longest ds_name
- $max = 0;
- foreach ($this->ds_names as $ds_name) {
- if(strlen((string)$ds_name) > $max)
- $max = strlen((string)$ds_name);
- }
-
- # make all ds_names equal in lenght
- $format = sprintf("%%-%ds", $max);
- foreach ($this->ds_names as $index => $value) {
- $this->ds_names[$index] = sprintf($format, $value);
- }
- }
+class Type_Default extends Type_Base {
function rrd_gen_graph() {
$rrdgraph = $this->rrd_options();
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