/**
* Initializes members from command line options and configuration settings.
*
* @param ChangeLookup $changeLookup
* @param SettingsArray $settings
*
* @return ChangeDispatcher
* @throws MWException
*/
private function newChangeDispatcher(ChangeLookup $changeLookup, SettingsArray $settings)
{
$repoDB = $settings->getSetting('changesDatabase');
$clientWikis = $settings->getSetting('localClientDatabases');
$batchChunkFactor = $settings->getSetting('dispatchBatchChunkFactor');
$batchCacheFactor = $settings->getSetting('dispatchBatchCacheFactor');
$subscriptionLookupMode = $settings->getSetting('subscriptionLookupMode');
$batchSize = (int) $this->getOption('batch-size', 1000);
$maxChunks = (int) $this->getOption('max-chunks', 15);
$dispatchInterval = (int) $this->getOption('dispatch-interval', 60);
$lockGraceInterval = (int) $this->getOption('lock-grace-interval', 60);
$randomness = (int) $this->getOption('randomness', 10);
$this->verbose = $this->getOption('verbose', false);
$cacheChunkSize = $batchSize * $batchChunkFactor;
$cacheSize = $cacheChunkSize * $batchCacheFactor;
$changesCache = new ChunkCache($changeLookup, $cacheChunkSize, $cacheSize);
// make sure we have a mapping from siteId to database name in clientWikis:
foreach ($clientWikis as $siteID => $dbName) {
if (is_int($siteID)) {
unset($clientWikis[$siteID]);
$clientWikis[$dbName] = $dbName;
}
}
if (empty($clientWikis)) {
throw new MWException("No client wikis configured! Please set \$wgWBRepoSettings['localClientDatabases'].");
}
$reporter = new ObservableMessageReporter();
$self = $this;
// PHP 5.3...
$reporter->registerReporterCallback(function ($message) use($self) {
$self->log($message);
});
$coordinator = new SqlChangeDispatchCoordinator($repoDB, $clientWikis);
$coordinator->setMessageReporter($reporter);
$coordinator->setBatchSize($batchSize);
$coordinator->setDispatchInterval($dispatchInterval);
$coordinator->setLockGraceInterval($lockGraceInterval);
$coordinator->setRandomness($randomness);
$notificationSender = new JobQueueChangeNotificationSender($repoDB, $clientWikis);
$subscriptionLookup = $this->getSubscriptionLookup($repoDB, $subscriptionLookupMode);
$dispatcher = new ChangeDispatcher($coordinator, $notificationSender, $changesCache, $subscriptionLookup);
$dispatcher->setMessageReporter($reporter);
$dispatcher->setExceptionHandler(new ReportingExceptionHandler($reporter));
$dispatcher->setBatchSize($batchSize);
$dispatcher->setMaxChunks($maxChunks);
$dispatcher->setBatchChunkFactor($batchChunkFactor);
$dispatcher->setVerbose($this->verbose);
return $dispatcher;
}
/**
* Initializes members from command line options and configuration settings.
*
* @param string[] $clientWikis A mapping of client wiki site IDs to logical database names.
* @param ChangeLookup $changeLookup
* @param SettingsArray $settings
*
* @return ChangeDispatcher
*/
private function newChangeDispatcher(array $clientWikis, ChangeLookup $changeLookup, SettingsArray $settings)
{
$repoID = wfWikiID();
$repoDB = $settings->getSetting('changesDatabase');
$batchChunkFactor = $settings->getSetting('dispatchBatchChunkFactor');
$batchCacheFactor = $settings->getSetting('dispatchBatchCacheFactor');
$batchSize = (int) $this->getOption('batch-size', 1000);
$maxChunks = (int) $this->getOption('max-chunks', 15);
$dispatchInterval = (int) $this->getOption('dispatch-interval', 60);
$lockGraceInterval = (int) $this->getOption('lock-grace-interval', 60);
$randomness = (int) $this->getOption('randomness', 10);
$this->verbose = $this->getOption('verbose', false);
$cacheChunkSize = $batchSize * $batchChunkFactor;
$cacheSize = $cacheChunkSize * $batchCacheFactor;
$changesCache = new ChunkCache($changeLookup, $cacheChunkSize, $cacheSize);
$reporter = new ObservableMessageReporter();
$self = $this;
// PHP 5.3...
$reporter->registerReporterCallback(function ($message) use($self) {
$self->log($message);
});
$coordinator = new SqlChangeDispatchCoordinator($repoDB, $repoID);
$coordinator->setMessageReporter($reporter);
$coordinator->setBatchSize($batchSize);
$coordinator->setDispatchInterval($dispatchInterval);
$coordinator->setLockGraceInterval($lockGraceInterval);
$coordinator->setRandomness($randomness);
$notificationSender = new JobQueueChangeNotificationSender($repoDB, $clientWikis);
$subscriptionLookup = new SqlSubscriptionLookup(wfGetLB());
$dispatcher = new ChangeDispatcher($coordinator, $notificationSender, $changesCache, $subscriptionLookup);
$dispatcher->setMessageReporter($reporter);
$dispatcher->setExceptionHandler(new ReportingExceptionHandler($reporter));
$dispatcher->setBatchSize($batchSize);
$dispatcher->setMaxChunks($maxChunks);
$dispatcher->setBatchChunkFactor($batchChunkFactor);
$dispatcher->setVerbose($this->verbose);
return $dispatcher;
}