85 lines
2.6 KiB
PHP
85 lines
2.6 KiB
PHP
<?php
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require 'info.php';
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function rrdtool_build($action, $settings) {
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// Possible values for $action:
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// - all (rebuild everything, initialization)
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// - news (news has been updated)
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// - boards (board list changed)
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// - post (a post has been made)
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$b = new TB_RRDTool();
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$b->build($action, $settings);
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}
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// Wrap functions in a class so they don't interfere with normal Tinyboard operations
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class TB_RRDTool {
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public function build($action, $settings) {
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global $config, $_theme;
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$this->boards = explode(' ', $settings['boards']);
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$this->spans = Array('hour', 'day', 'week', 'month');
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$this->interval = 60;
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$this->height = 150;
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$this->width = 700;
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if($action == 'cron') {
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if(!file_exists($settings['path']))
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mkdir($settings['path']);
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if(!file_exists($settings['images']))
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mkdir($settings['images']);
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foreach($this->boards as &$board) {
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$file = $settings['path'] . '/' . $board . '.rrd';
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if(!file_exists($file)) {
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// Create graph
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if(!rrd_create($file, Array(
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'-s ' . $this->interval,
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'DS:posts:ABSOLUTE:120:0:100000000',
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'RRA:AVERAGE:0.5:1:2880',
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'RRA:AVERAGE:0.5:30:672',
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'RRA:AVERAGE:0.5:120:732',
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'RRA:AVERAGE:0.5:720:1460')))
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error('RRDtool failed: ' . htmlentities(rrd_error()));
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}
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// Update graph
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$query = prepare(sprintf("SELECT COUNT(*) AS `count` FROM `posts_%s` WHERE `time` >= :time", $board));
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$query->bindValue(':time', time() - $this->interval, PDO::PARAM_INT);
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$query->execute() or error(db_error($query));
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$count = $query->fetch();
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$count = $count['count'];
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if(!rrd_update($file, Array(
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'-t',
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'posts',
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'N:' . $count)))
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error('RRDtool failed: ' . htmlentities(rrd_error()));
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foreach($this->spans as &$span) {
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// Graph graph
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if(!rrd_graph($settings['images'] . '/' . $board . '-' . $span . '.png', Array(
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'-s -1' . $span,
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'-t Posts on ' . sprintf($config['board_abbreviation'], $board),
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//'--lazy',
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'-l 0',
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'-h', $this->height, '-w', $this->width,
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'-l 0',
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'-a', 'PNG',
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'-W', 'Powered by Tinyboard',
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'-v posts/minute',
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'DEF:posts=' . $file . ':posts:AVERAGE',
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'LINE2:posts#336600:Posts',
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'GPRINT:posts:MAX: Max\\: %5.1lf %s',
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'GPRINT:posts:AVERAGE: Avg\\: %5.1lf %s',
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'GPRINT:posts:LAST: Current\\: %5.1lf %sposts/min',
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'HRULE:0#000000')))
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error('RRDtool failed: ' . htmlentities(rrd_error()));
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}
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}
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}
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}
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};
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?>
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