diff options
Diffstat (limited to '')
-rw-r--r-- | type/Default.class.php | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/type/Default.class.php b/type/Default.class.php new file mode 100644 index 0000000..8a5dd72 --- /dev/null +++ b/type/Default.class.php | |||
@@ -0,0 +1,127 @@ | |||
1 | <?php | ||
2 | |||
3 | # Collectd Default type | ||
4 | |||
5 | class Type_Default { | ||
6 | var $datadir; | ||
7 | var $args; | ||
8 | var $data_sources; | ||
9 | var $order; | ||
10 | var $ds_names; | ||
11 | var $colors; | ||
12 | var $rrd_title; | ||
13 | var $rrd_vertical; | ||
14 | var $rrd_format; | ||
15 | var $scale; | ||
16 | var $width; | ||
17 | var $heigth; | ||
18 | |||
19 | function validate_color($color) { | ||
20 | if (!preg_match('/^[0-9a-f]{6}$/', $color)) | ||
21 | return '000000'; | ||
22 | else | ||
23 | return $color; | ||
24 | } | ||
25 | |||
26 | function get_faded_color($fgc, $bgc='ffffff', $percent=0.25) { | ||
27 | $fgc = $this->validate_color($fgc); | ||
28 | if (!is_numeric($percent)) | ||
29 | $percent=0.25; | ||
30 | |||
31 | $rgb = array('r', 'g', 'b'); | ||
32 | |||
33 | $fg[r] = hexdec(substr($fgc,0,2)); | ||
34 | $fg[g] = hexdec(substr($fgc,2,2)); | ||
35 | $fg[b] = hexdec(substr($fgc,4,2)); | ||
36 | $bg[r] = hexdec(substr($bgc,0,2)); | ||
37 | $bg[g] = hexdec(substr($bgc,2,2)); | ||
38 | $bg[b] = hexdec(substr($bgc,4,2)); | ||
39 | |||
40 | foreach ($rgb as $pri) { | ||
41 | $c[$pri] = dechex(round($percent * $fg[$pri]) + ((1.0 - $percent) * $bg[$pri])); | ||
42 | if ($c[$pri] == '0') | ||
43 | $c[$pri] = '00'; | ||
44 | } | ||
45 | |||
46 | return $c[r].$c[g].$c[b]; | ||
47 | } | ||
48 | |||
49 | function get_filename($tinstance=NULL) { | ||
50 | if (!is_array($this->args['tinstance']) && $tinstance == NULL) | ||
51 | $tinstance = $this->args['tinstance']; | ||
52 | |||
53 | $search = array('{host}', '{plugin}', '{pinstance}', '{type}', '{tinstance}'); | ||
54 | $replace = array($this->args['host'], $this->args['plugin'], $this->args['pinstance'], $this->args['type'], $tinstance); | ||
55 | $f = $this->datadir . '/' . str_replace($search, $replace, $this->path_format); | ||
56 | return $f; | ||
57 | } | ||
58 | |||
59 | function rrd_graph($debug=false) { | ||
60 | $graphdata = $this->rrd_gen_graph(); | ||
61 | |||
62 | if(!$debug) { | ||
63 | # caching | ||
64 | header("Expires: " . date(DATE_RFC822,strtotime("90 seconds"))); | ||
65 | header("content-type: image/png"); | ||
66 | $graphdata = implode(' ', $graphdata); | ||
67 | echo `$graphdata`; | ||
68 | } else { | ||
69 | print '<pre>'; | ||
70 | print_r($graphdata); | ||
71 | print '</pre>'; | ||
72 | } | ||
73 | } | ||
74 | |||
75 | function rrd_gen_graph() { | ||
76 | $filename = $this->get_filename(); | ||
77 | |||
78 | $rrdgraph[] = '/usr/bin/rrdtool graph - -a PNG'; | ||
79 | $rrdgraph[] = sprintf('-w %d', is_numeric($this->width) ? $this->width : 400); | ||
80 | $rrdgraph[] = sprintf('-h %d', is_numeric($this->heigth) ? $this->heigth : 175); | ||
81 | $rrdgraph[] = '-l 0'; | ||
82 | $rrdgraph[] = sprintf('-t "%s"', $this->rrd_title); | ||
83 | $rrdgraph[] = sprintf('-v "%s"', $this->rrd_vertical); | ||
84 | $rrdgraph[] = sprintf('-s -%d', is_numeric($this->seconds) ? $this->seconds : 86400); | ||
85 | |||
86 | if (is_array($this->args['tinstance'])) | ||
87 | $array = is_array($this->order) ? $this->order : $this->args['tinstance']; | ||
88 | else | ||
89 | $array = $this->data_sources; | ||
90 | |||
91 | $i=0; | ||
92 | foreach ($array as $value) { | ||
93 | if (is_array($this->args['tinstance'])) { | ||
94 | $filename = $this->get_filename($value); | ||
95 | $ds = $this->data_sources[0]; | ||
96 | } else { | ||
97 | $filename = $this->get_filename(); | ||
98 | $ds = $value; | ||
99 | } | ||
100 | $rrdgraph[] = sprintf('DEF:min%s=%s:%s:MIN', $i, $filename, $ds); | ||
101 | $rrdgraph[] = sprintf('DEF:avg%s=%s:%s:AVERAGE', $i, $filename, $ds); | ||
102 | $rrdgraph[] = sprintf('DEF:max%s=%s:%s:MAX', $i, $filename, $ds); | ||
103 | $i++; | ||
104 | } | ||
105 | |||
106 | if (!is_array($this->args['tinstance'])) { | ||
107 | $rrdgraph[] = sprintf('AREA:max0#%s', $this->get_faded_color($this->colors[$this->data_sources[0]])); | ||
108 | $rrdgraph[] = sprintf('AREA:min0#%s', 'ffffff'); | ||
109 | } | ||
110 | |||
111 | $i=0; | ||
112 | foreach ($array as $value) { | ||
113 | $dsname = $this->ds_names[$value] != '' ? $this->ds_names[$value] : $value; | ||
114 | $color = is_array($this->colors) ? $this->colors[$value]: $this->colors; | ||
115 | $rrdgraph[] = sprintf('LINE1:avg%d#%s:\'%s\'', $i, $this->validate_color($color), $dsname); | ||
116 | $rrdgraph[] = sprintf('GPRINT:min%d:MIN:\'%s Min,\'', $i, $this->rrd_format); | ||
117 | $rrdgraph[] = sprintf('GPRINT:avg%d:AVERAGE:\'%s Avg,\'', $i, $this->rrd_format); | ||
118 | $rrdgraph[] = sprintf('GPRINT:max%d:MAX:\'%s Max,\'', $i, $this->rrd_format); | ||
119 | $rrdgraph[] = sprintf('GPRINT:avg%d:LAST:\'%s Last\\l\'', $i, $this->rrd_format); | ||
120 | $i++; | ||
121 | } | ||
122 | |||
123 | return $rrdgraph; | ||
124 | } | ||
125 | } | ||
126 | |||
127 | ?> | ||