1 files changed, 78 insertions, 0 deletions
diff --git a/maintenance/populateBloomCache.php b/maintenance/populateBloomCache.php
new file mode 100644
index 00000000..40ad5fc6
--- /dev/null
+++ b/maintenance/populateBloomCache.php
@@ -0,0 +1,78 @@
+<?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;