126 lines
3.9 KiB
PHP
Executable File
126 lines
3.9 KiB
PHP
Executable File
#!/usr/bin/php
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<?php
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# plugin made by Dju
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# v1.1
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# allows to monitor the mirrors number and bandwidth from Launchpad for a specific country
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# saves the results in cache and connects to launchpad website every 3 hours
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# the country constant it=s the name of he country, as it appears on the launchpad page (bold, on a gray background)
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define( 'URL', 'https://launchpad.net/ubuntu/+cdmirrors' );
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define( 'CACHE_FILE', 'ubuntu_mirrors.txt' );
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define( 'CACHE_UPTIME', 3 );
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define( 'COUNTRY', 'France' );
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function find_and_short( $str, &$html, $with_str=true )
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{
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$pos = strpos( $html, $str );
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if( $pos === false ) {
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throw new Exception( "error finding '$str'", 2 );
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} else {
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$removed = ( $with_str == true ) ? substr( $html, 0, $pos+strlen($str) ) : substr( $html, 0, $pos );
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$html = substr( $html, $pos + strlen($str) );
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return $removed;
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}
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}
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function get_cache()
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{
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if( !file_exists(CACHE_FILE) ) {
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return false;
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} else {
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$cache_time = @filemtime( CACHE_FILE );
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$cache_age = ( time() - $cache_time ) / 3600;
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if( $cache_age <= CACHE_UPTIME ) {
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$content = @file_get_contents( CACHE_FILE );
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if( !$content ) throw new Exception( 'Erreur lecture cache '.CACHE_FILE, 3 );
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return array(
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'datas' => explode( '|', $content ),
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'date' => $cache_time
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);
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} else {
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@unlink( CACHE_FILE );
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return false;
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}
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}
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}
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function set_cache( $MIRRORS, $BW_RATE, $BW_UNIT )
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{
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$content = $MIRRORS . '|' . $BW_RATE . '|' . $BW_UNIT;
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$write = @file_put_contents( CACHE_FILE, $content );
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if( !$write ) throw new Exception( 'erreur ecriture cache '.CACHE_FILE, 4 );
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}
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function get_from_launchpad()
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{
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$html = @file_get_contents( URL );
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if( !$html ) throw new Exception( 'Error connecting to launchpad', 1 );
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$str1 = COUNTRY.'</th>';
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$str2 = '<th style="text-align: left">';
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$str3 = '</th>';
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$str4 = '<span>mirrors</span>';
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find_and_short( $str1, $html );
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find_and_short( $str2, $html );
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$BW = find_and_short( $str3, $html, false );
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list( $BW_RATE, $BW_UNIT ) = explode( ' ', $BW );
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$rest = find_and_short( $str4, $html, false );
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$rest = str_replace( "\n", '', $rest );
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find_and_short( '<th style="text-align: left">', $rest );
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$MIRRORS = trim( $rest );
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return array( $MIRRORS, $BW_RATE, $BW_UNIT );
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}
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try
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{
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$CACHE = get_cache();
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if( $CACHE != false ) {
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list( $MIRRORS, $BW_RATE, $BW_UNIT ) = $CACHE['datas'];
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$CACHE_DATE = date('d/m/y H:i', $CACHE['date'] );
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}
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if( isset($_SERVER['argv'][1]) && $_SERVER['argv'][1] != '' ) {
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switch( $_SERVER['argv'][1] ) {
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case 'autoconf':
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echo "yes\n";
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exit( 0 );
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break;
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case 'config':
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echo "graph_title Ubuntu Mirrors in ".COUNTRY."\n";
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echo "graph_category other\n";
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echo "graph_args --base 1000 -l 0\n";
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echo "graph_scale no\n";
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echo "graph_vlabel Bandwidth / Mirrors\n";
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$graph_info = 'This graph shows the available bandwidth and mirrors for ubuntu';
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if( $CACHE != false ) $graph_info .= ' (cache: '.CACHE_UPTIME.'h - last: '.$CACHE_DATE.')';
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echo "graph_info ".$graph_info.")\n";
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echo "nbm.label Mirrors number\n";
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$bwUnit = ( $CACHE == false ) ? '' : ' in '.$BW_UNIT;
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echo "bw.label Bandwidth".$bwUnit."\n";
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exit( 0 );
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break;
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default:
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echo "Unknown arg: ".$arg."\n";
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exit( 2 );
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}
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}
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if( $CACHE == false ) {
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list( $MIRRORS, $BW_RATE, $BW_UNIT ) = get_from_launchpad();
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set_cache( $MIRRORS, $BW_RATE, $BW_UNIT );
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}
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echo "nbm.value ".$MIRRORS."\n";
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echo "bw.value ".$BW_RATE."\n";
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exit( 0 );
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}
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catch( Exception $ex )
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{
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echo 'Exception '.$ex->getCode() . ' ('.$ex->getMessage() . ")\n";
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exit( $ex->getCode() );
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}
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?>
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