diff options
Diffstat (limited to 'includes/StatCounter.php')
-rw-r--r-- | includes/StatCounter.php | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/includes/StatCounter.php b/includes/StatCounter.php deleted file mode 100644 index 5fc8f2f5..00000000 --- a/includes/StatCounter.php +++ /dev/null @@ -1,154 +0,0 @@ -<?php -/** - * @defgroup StatCounter StatCounter - * - * StatCounter is used to increment arbitrary keys for profiling reasons. - * The key/values are persisted in several possible ways (see $wgStatsMethod). - */ - -/** - * Aggregator for wfIncrStats() that batches updates per request. - * - * 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 StatCounter - * @author Aaron Schulz - */ - -/** - * Aggregator for wfIncrStats() that batches updates per request. - * This avoids spamming the collector many times for the same key. - * - * @ingroup StatCounter - */ -class StatCounter { - /** @var array */ - protected $deltas = array(); // (key => count) - - /** @var Config */ - protected $config; - - protected function __construct( Config $config ) { - $this->config = $config; - } - - /** - * @return StatCounter - */ - public static function singleton() { - static $instance = null; - if ( !$instance ) { - $instance = new self( - ConfigFactory::getDefaultInstance()->makeConfig( 'main' ) - ); - } - return $instance; - } - - /** - * Increment a key by delta $count - * - * @param string $key - * @param int $count - * @return void - */ - public function incr( $key, $count = 1 ) { - $this->deltas[$key] = isset( $this->deltas[$key] ) ? $this->deltas[$key] : 0; - $this->deltas[$key] += $count; - if ( PHP_SAPI === 'cli' ) { - $this->flush(); - } - } - - /** - * Flush all pending deltas to persistent storage - * - * @return void - */ - public function flush() { - $statsMethod = $this->config->get( 'StatsMethod' ); - $deltas = array_filter( $this->deltas ); // remove 0 valued entries - if ( $statsMethod === 'udp' ) { - $this->sendDeltasUDP( $deltas ); - } elseif ( $statsMethod === 'cache' ) { - $this->sendDeltasMemc( $deltas ); - } else { - // disabled - } - $this->deltas = array(); - } - - /** - * @param array $deltas - * @return void - */ - protected function sendDeltasUDP( array $deltas ) { - $aggregateStatsID = $this->config->get( 'AggregateStatsID' ); - $id = strlen( $aggregateStatsID ) ? $aggregateStatsID : wfWikiID(); - - $lines = array(); - foreach ( $deltas as $key => $count ) { - $lines[] = sprintf( $this->config->get( 'StatsFormatString' ), $id, $count, $key ); - } - - if ( count( $lines ) ) { - static $socket = null; - if ( !$socket ) { - $socket = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP ); - } - $packet = ''; - $packets = array(); - foreach ( $lines as $line ) { - if ( ( strlen( $packet ) + strlen( $line ) ) > 1450 ) { - $packets[] = $packet; - $packet = ''; - } - $packet .= $line; - } - if ( $packet != '' ) { - $packets[] = $packet; - } - foreach ( $packets as $packet ) { - wfSuppressWarnings(); - socket_sendto( - $socket, - $packet, - strlen( $packet ), - 0, - $this->config->get( 'UDPProfilerHost' ), - $this->config->get( 'UDPProfilerPort' ) - ); - wfRestoreWarnings(); - } - } - } - - /** - * @param array $deltas - * @return void - */ - protected function sendDeltasMemc( array $deltas ) { - global $wgMemc; - - foreach ( $deltas as $key => $count ) { - $ckey = wfMemcKey( 'stats', $key ); - if ( $wgMemc->incr( $ckey, $count ) === null ) { - $wgMemc->add( $ckey, $count ); - } - } - } -} |