lainchan/templates/themes/rrdtool/theme.php

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<?php
require 'info.php';
function rrdtool_build($action, $settings) {
// Possible values for $action:
// - all (rebuild everything, initialization)
// - news (news has been updated)
// - boards (board list changed)
// - post (a post has been made)
$b = new TB_RRDTool();
$b->build($action, $settings);
}
// Wrap functions in a class so they don't interfere with normal Tinyboard operations
class TB_RRDTool {
public function build($action, $settings) {
global $config, $_theme;
$this->boards = explode(' ', $settings['boards']);
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$this->spans = Array('minute', 'hour', 'day', 'week', 'month');
$this->interval = 60;
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$this->height = 150;
$this->width = 700;
if($action == 'cron') {
if(!file_exists($settings['path']))
mkdir($settings['path']);
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if(!file_exists($settings['images']))
mkdir($settings['images']);
foreach($this->boards as &$board) {
$file = $settings['path'] . '/' . $board . '.rrd';
if(!file_exists($file)) {
// Create graph
if(!rrd_create($file, Array(
'-s ' . $this->interval,
'DS:posts:ABSOLUTE:120:0:100000000',
'RRA:AVERAGE:0.5:1:2880',
'RRA:AVERAGE:0.5:30:672',
'RRA:AVERAGE:0.5:120:732',
'RRA:AVERAGE:0.5:720:1460')))
error('RRDtool failed: ' . htmlentities(rrd_error()));
}
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// Update graph
$query = prepare(sprintf("SELECT COUNT(*) AS `count` FROM `posts_%s` WHERE `time` >= :time", $board));
$query->bindValue(':time', time() - $this->interval, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
$count = $query->fetch();
$count = $count['count'];
if(!rrd_update($file, Array(
'-t',
'posts',
'N:' . $count)))
error('RRDtool failed: ' . htmlentities(rrd_error()));
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foreach($this->spans as &$span) {
// Graph graph
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if(!rrd_graph($settings['images'] . '/' . $board . '-' . $span . '.png', Array(
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'-s -1' . $span,
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'-t Posts on ' . sprintf($config['board_abbreviation'] . ' this ' . $span, $board),
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//'--lazy',
'-l 0',
'-h', $this->height, '-w', $this->width,
'-a', 'PNG',
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'-R', 'mono',
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'-W', 'Powered by Tinyboard',
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'-E',
'-X', '0',
//'-L', '4',
'-Y',
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'-v posts/minute',
'DEF:posts=' . $file . ':posts:AVERAGE',
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'LINE2:posts#663300:Posts',
'GPRINT:posts:MAX:Max\\: %5.2lf',
'GPRINT:posts:AVERAGE:Average\\: %5.2lf',
'GPRINT:posts:LAST:Current\\: %5.2lf posts/min',
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'HRULE:0#000000')))
error('RRDtool failed: ' . htmlentities(rrd_error()));
}
}
}
}
};
?>