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<?php
/**
* Script to populate a bloom filter with a BloomFilter* class
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
*/
require_once __DIR__ . '/Maintenance.php';
/**
* Script to populate a bloom filter with a BloomFilter* class
*
* @ingroup Maintenance
*/
class PopulateBloomFilter extends Maintenance {
public function __construct() {
parent::__construct();
$this->addOption( 'cache', 'Bloom cache store name', true, true );
$this->addOption( 'filter', 'Bloom filter name', true, true );
$this->addOption( 'domain', 'Bloom filter domain', true, true );
$this->addOption( 'delay', 'Sleep delay between batches (us)', false, true );
$this->mDescription = "Populate the specified bloom filter";
}
public function execute() {
$type = $this->getOption( 'filter' );
$domain = $this->getOption( 'domain' );
$bcache = BloomCache::get( $this->getOption( 'cache' ) );
$delay = $this->getOption( 'delay', 1e5 );
if ( !method_exists( "BloomFilter{$type}", 'merge' ) ) {
$this->error( "No \"BloomFilter{$type}::merge\" method found.", 1 );
}
$virtualKey = "$domain:$type";
$status = $bcache->getStatus( $virtualKey );
if ( $status == false ) {
$this->error( "Could not query virtual bloom filter '$virtualKey'.", 1 );
}
$startTime = microtime( true );
$this->output( "Current timestamp is '$startTime'.\n" );
$this->output( "Current filter timestamp is '{$status['asOfTime']}'.\n" );
do {
$status = call_user_func_array(
array( "BloomFilter{$type}", 'merge' ),
array( $bcache, $domain, $virtualKey, $status )
);
if ( $status == false ) {
$this->error( "Could not query virtual bloom filter '$virtualKey'.", 1 );
}
$this->output( "Filter updated to timestamp '{$status['asOfTime']}'.\n" );
usleep( $delay );
} while ( $status['asOfTime'] && $status['asOfTime'] < $startTime );
$this->output( "Done, filter $type of domain $domain reached time '$startTime'.\n" );
}
}
$maintClass = "PopulateBloomFilter";
require_once RUN_MAINTENANCE_IF_MAIN;
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