171 lines
4.8 KiB
PHP
171 lines
4.8 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, $argv;
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if(!$settings) {
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error('This theme is not currently installed.');
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}
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$this->boards = explode(' ', $settings['boards']);
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$this->spans = Array('hour', 'day', 'week', 'month', 'year');
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// exclude boards from the "combined" graph
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$this->combined_exclude = Array();
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if($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($file, Array(
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'-s 60',
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'DS:posts:COUNTER:86400:0:10000',
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'RRA:AVERAGE:0:1:60',
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'RRA:AVERAGE:0:1:1440',
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'RRA:AVERAGE:0:30:10080',
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'RRA:AVERAGE:0:120:43829',
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'RRA:AVERAGE:0:1440:525948',
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'RRA:AVERAGE:0:2880:1051897',
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'RRA:MAX:0:1:60',
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'RRA:MAX:0:1:1440',
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'RRA:MAX:0:30:10080',
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'RRA:MAX:0:120:43829',
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'RRA:MAX:0:1440:525948',
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'RRA:MAX:0:2880:1051897'
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)))
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error('RRDtool failed: ' . htmlentities(rrd_error()));
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}
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// debug just the graphing (not updating) with the --debug switch
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if(!isset($argv[1]) || $argv[1] != '--debug') {
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// Update graph
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$query = query(sprintf("SELECT MAX(`id`) AS `count` FROM `posts_%s`", $board));
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$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:' . $count)))
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error('RRDtool failed: ' . htmlentities(rrd_error()));
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}
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foreach($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) .' this ' . $span,
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'--lazy',
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'-l 0',
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'-h', $settings['height'], '-w', $settings['width'],
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'-a', 'PNG',
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'-R', 'mono',
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'-W', 'Powered by Tinyboard',
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'-E',
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'-X', '0',
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'-Y',
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'-v posts/minute',
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'DEF:posts=' . $file . ':posts:AVERAGE',
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'CDEF:posts-min=posts,60,*',
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'LINE2:posts-min#663300:Posts',
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'GPRINT:posts-min:MAX:Max\\: %5.2lf',
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'GPRINT:posts-min:AVERAGE:Average\\: %5.2lf',
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'GPRINT:posts-min:LAST:Current\\: %5.2lf posts/min',
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'HRULE:0#000000')))
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error('RRDtool failed: ' . htmlentities(rrd_error()));
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}
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}
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// combined graph
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foreach($this->spans as &$span) {
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$options = Array(
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'-s -1' . $span,
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'-t Posts this ' . $span,
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'--lazy',
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'-l 0',
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'-h', $settings['height'], '-w', $settings['width'],
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'-a', 'PNG',
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'-R', 'mono',
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'-W', 'Powered by Tinyboard',
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'-E',
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'-X', '0',
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'-Y',
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'-v posts/minute');
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$red = 0;
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$green = 0;
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$blue = 0;
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$c = 0;
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$cc = 0;
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$c = 1;
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$cc = 0;
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$red = 2;
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foreach($this->boards as &$board) {
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if(in_array($board, $this->combined_exclude))
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continue;
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$color = str_pad(dechex($red*85), 2, '0', STR_PAD_LEFT) .
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str_pad(dechex($green*85), 2, '0', STR_PAD_LEFT) .
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str_pad(dechex($blue*85), 2, '0', STR_PAD_LEFT);
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$options[] = 'DEF:posts' . $board . '=' . $settings['path'] . '/' . $board . '.rrd' . ':posts:AVERAGE';
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$options[] = 'CDEF:posts' . $board . '-min=posts' . $board . ',60,*';
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$options[] = 'LINE2:posts' . $board . '-min#' . $color . ':' .
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sprintf($config['board_abbreviation'], $board);
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// Randomize colors using this horrible undocumented algorithm I threw together while debugging
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if($c == 0)
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$red++;
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elseif($c == 1)
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$green++;
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elseif($c == 2)
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$blue++;
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elseif($c == 3)
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$green--;
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elseif($c == 4)
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$red--;
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$cc++;
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if($cc > 2) {
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$c++;
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$cc = 0;
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}
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if($c>4) $c = 0;
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if($red>3) $red = 0;
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if($green>3) $green = 0;
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if($blue>3) $blue = 0;
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}
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$options[] = 'HRULE:0#000000';
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if(!rrd_graph($settings['images'] . '/combined-' . $span . '.png', $options))
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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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