populateBloomCache.php

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<?php
require_once __DIR__ . '/Maintenance.php';

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;