'SQLiteField' => __DIR__ . '/includes/libs/rdbms/field/SQLiteField.php',
'SVGMetadataExtractor' => __DIR__ . '/includes/media/SVGMetadataExtractor.php',
'SVGReader' => __DIR__ . '/includes/media/SVGMetadataExtractor.php',
- 'SamplingStatsdClient' => __DIR__ . '/includes/libs/SamplingStatsdClient.php',
+ 'SamplingStatsdClient' => __DIR__ . '/includes/libs/stats/SamplingStatsdClient.php',
'Sanitizer' => __DIR__ . '/includes/Sanitizer.php',
'SavepointPostgres' => __DIR__ . '/includes/libs/rdbms/database/utils/SavepointPostgres.php',
'ScopedCallback' => __DIR__ . '/includes/libs/ScopedCallback.php',
+++ /dev/null
-<?php
-/**
- * Copyright 2015
- *
- * 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
- */
-
-use Liuggio\StatsdClient\StatsdClient;
-use Liuggio\StatsdClient\Entity\StatsdData;
-use Liuggio\StatsdClient\Entity\StatsdDataInterface;
-
-/**
- * A statsd client that applies the sampling rate to the data items before sending them.
- *
- * @since 1.26
- */
-class SamplingStatsdClient extends StatsdClient {
- protected $samplingRates = [];
-
- /**
- * Sampling rates as an associative array of patterns and rates.
- * Patterns are Unix shell patterns (e.g. 'MediaWiki.api.*').
- * Rates are sampling probabilities (e.g. 0.1 means 1 in 10 events are sampled).
- * @param array $samplingRates
- * @since 1.28
- */
- public function setSamplingRates( array $samplingRates ) {
- $this->samplingRates = $samplingRates;
- }
-
- /**
- * Sets sampling rate for all items in $data.
- * The sample rate specified in a StatsdData entity overrides the sample rate specified here.
- *
- * {@inheritDoc}
- */
- public function appendSampleRate( $data, $sampleRate = 1 ) {
- $samplingRates = $this->samplingRates;
- if ( !$samplingRates && $sampleRate !== 1 ) {
- $samplingRates = [ '*' => $sampleRate ];
- }
- if ( $samplingRates ) {
- array_walk( $data, function( $item ) use ( $samplingRates ) {
- /** @var $item StatsdData */
- foreach ( $samplingRates as $pattern => $rate ) {
- if ( fnmatch( $pattern, $item->getKey(), FNM_NOESCAPE ) ) {
- $item->setSampleRate( $item->getSampleRate() * $rate );
- break;
- }
- }
- } );
- }
-
- return $data;
- }
-
- /*
- * Send the metrics over UDP
- * Sample the metrics according to their sample rate and send the remaining ones.
- *
- * @param StatsdDataInterface|StatsdDataInterface[] $data message(s) to sent
- * strings are not allowed here as sampleData requires a StatsdDataInterface
- * @param int $sampleRate
- *
- * @return integer the data sent in bytes
- */
- public function send( $data, $sampleRate = 1 ) {
- if ( !is_array( $data ) ) {
- $data = [ $data ];
- }
- if ( !$data ) {
- return;
- }
- foreach ( $data as $item ) {
- if ( !( $item instanceof StatsdDataInterface ) ) {
- throw new InvalidArgumentException(
- 'SamplingStatsdClient does not accept stringified messages' );
- }
- }
-
- // add sampling
- $data = $this->appendSampleRate( $data, $sampleRate );
- $data = $this->sampleData( $data );
-
- $data = array_map( 'strval', $data );
-
- // reduce number of packets
- if ( $this->getReducePacket() ) {
- $data = $this->reduceCount( $data );
- }
-
- // failures in any of this should be silently ignored if ..
- $written = 0;
- try {
- $fp = $this->getSender()->open();
- if ( !$fp ) {
- return;
- }
- foreach ( $data as $message ) {
- $written += $this->getSender()->write( $fp, $message );
- }
- $this->getSender()->close( $fp );
- } catch ( Exception $e ) {
- $this->throwException( $e );
- }
-
- return $written;
- }
-
- /**
- * Throw away some of the data according to the sample rate.
- * @param StatsdDataInterface[] $data
- * @return StatsdDataInterface[]
- * @throws LogicException
- */
- protected function sampleData( $data ) {
- $newData = [];
- $mt_rand_max = mt_getrandmax();
- foreach ( $data as $item ) {
- $samplingRate = $item->getSampleRate();
- if ( $samplingRate <= 0.0 || $samplingRate > 1.0 ) {
- throw new LogicException( 'Sampling rate shall be within ]0, 1]' );
- }
- if (
- $samplingRate === 1 ||
- ( mt_rand() / $mt_rand_max <= $samplingRate )
- ) {
- $newData[] = $item;
- }
- }
- return $newData;
- }
-
- /**
- * {@inheritDoc}
- */
- protected function throwException( Exception $exception ) {
- if ( !$this->getFailSilently() ) {
- throw $exception;
- }
- }
-}
--- /dev/null
+<?php
+/**
+ * Copyright 2015
+ *
+ * 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
+ */
+
+use Liuggio\StatsdClient\StatsdClient;
+use Liuggio\StatsdClient\Entity\StatsdData;
+use Liuggio\StatsdClient\Entity\StatsdDataInterface;
+
+/**
+ * A statsd client that applies the sampling rate to the data items before sending them.
+ *
+ * @since 1.26
+ */
+class SamplingStatsdClient extends StatsdClient {
+ protected $samplingRates = [];
+
+ /**
+ * Sampling rates as an associative array of patterns and rates.
+ * Patterns are Unix shell patterns (e.g. 'MediaWiki.api.*').
+ * Rates are sampling probabilities (e.g. 0.1 means 1 in 10 events are sampled).
+ * @param array $samplingRates
+ * @since 1.28
+ */
+ public function setSamplingRates( array $samplingRates ) {
+ $this->samplingRates = $samplingRates;
+ }
+
+ /**
+ * Sets sampling rate for all items in $data.
+ * The sample rate specified in a StatsdData entity overrides the sample rate specified here.
+ *
+ * {@inheritDoc}
+ */
+ public function appendSampleRate( $data, $sampleRate = 1 ) {
+ $samplingRates = $this->samplingRates;
+ if ( !$samplingRates && $sampleRate !== 1 ) {
+ $samplingRates = [ '*' => $sampleRate ];
+ }
+ if ( $samplingRates ) {
+ array_walk( $data, function( $item ) use ( $samplingRates ) {
+ /** @var $item StatsdData */
+ foreach ( $samplingRates as $pattern => $rate ) {
+ if ( fnmatch( $pattern, $item->getKey(), FNM_NOESCAPE ) ) {
+ $item->setSampleRate( $item->getSampleRate() * $rate );
+ break;
+ }
+ }
+ } );
+ }
+
+ return $data;
+ }
+
+ /*
+ * Send the metrics over UDP
+ * Sample the metrics according to their sample rate and send the remaining ones.
+ *
+ * @param StatsdDataInterface|StatsdDataInterface[] $data message(s) to sent
+ * strings are not allowed here as sampleData requires a StatsdDataInterface
+ * @param int $sampleRate
+ *
+ * @return integer the data sent in bytes
+ */
+ public function send( $data, $sampleRate = 1 ) {
+ if ( !is_array( $data ) ) {
+ $data = [ $data ];
+ }
+ if ( !$data ) {
+ return;
+ }
+ foreach ( $data as $item ) {
+ if ( !( $item instanceof StatsdDataInterface ) ) {
+ throw new InvalidArgumentException(
+ 'SamplingStatsdClient does not accept stringified messages' );
+ }
+ }
+
+ // add sampling
+ $data = $this->appendSampleRate( $data, $sampleRate );
+ $data = $this->sampleData( $data );
+
+ $data = array_map( 'strval', $data );
+
+ // reduce number of packets
+ if ( $this->getReducePacket() ) {
+ $data = $this->reduceCount( $data );
+ }
+
+ // failures in any of this should be silently ignored if ..
+ $written = 0;
+ try {
+ $fp = $this->getSender()->open();
+ if ( !$fp ) {
+ return;
+ }
+ foreach ( $data as $message ) {
+ $written += $this->getSender()->write( $fp, $message );
+ }
+ $this->getSender()->close( $fp );
+ } catch ( Exception $e ) {
+ $this->throwException( $e );
+ }
+
+ return $written;
+ }
+
+ /**
+ * Throw away some of the data according to the sample rate.
+ * @param StatsdDataInterface[] $data
+ * @return StatsdDataInterface[]
+ * @throws LogicException
+ */
+ protected function sampleData( $data ) {
+ $newData = [];
+ $mt_rand_max = mt_getrandmax();
+ foreach ( $data as $item ) {
+ $samplingRate = $item->getSampleRate();
+ if ( $samplingRate <= 0.0 || $samplingRate > 1.0 ) {
+ throw new LogicException( 'Sampling rate shall be within ]0, 1]' );
+ }
+ if (
+ $samplingRate === 1 ||
+ ( mt_rand() / $mt_rand_max <= $samplingRate )
+ ) {
+ $newData[] = $item;
+ }
+ }
+ return $newData;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ protected function throwException( Exception $exception ) {
+ if ( !$this->getFailSilently() ) {
+ throw $exception;
+ }
+ }
+}