public function execute($limit = 0)
{
if ($this->executed) {
return;
}
if ($limit) {
$this->limit = $limit;
}
$microTimeStart = microtime(true);
$renderer = KalturaSyndicationFeedFactory::getRendererByType($this->syndicationFeed->type);
$renderer->init($this->syndicationFeed, $this->syndicationFeedDb, $this->mimeType);
header($renderer->handleHttpHeader());
echo $renderer->handleHeader();
$cacheStore = null;
if ($renderer->shouldEnableCache()) {
$cacheStore = kCacheManager::getSingleLayerCache(kCacheManager::CACHE_TYPE_FEED_ENTRY);
}
$protocol = infraRequestUtils::getProtocol();
$cachePrefix = "feed_{$this->syndicationFeed->id}/{$protocol}/entry_";
$feedUpdatedAt = $this->syndicationFeedDb->getUpdatedAt(null);
$e = null;
$kalturaFeed = $this->syndicationFeed->type == KalturaSyndicationFeedType::KALTURA || $this->syndicationFeed->type == KalturaSyndicationFeedType::KALTURA_XSLT;
$nextEntry = $this->getNextEntry();
while ($nextEntry) {
$this->enableApcProcessingFlag();
$entry = $nextEntry;
$nextEntry = $this->getNextEntry();
// in case no video player is requested by user and the entry is mix, skip it
if ($entry->getType() === entryType::MIX && !$this->syndicationFeed->allowEmbed) {
continue;
}
$xml = false;
// check cache
$updatedAt = max($feedUpdatedAt, $entry->getUpdatedAt(null));
if ($cacheStore) {
$cacheKey = $cachePrefix . str_replace("_", "-", $entry->getId()) . self::CACHE_VERSION;
// replace _ with - so cache folders will be created with random entry id and not 0_/1_
$cacheTime = $cacheStore->get($cacheKey . self::CACHE_CREATION_TIME_SUFFIX);
if ($cacheTime !== false && $cacheTime > $updatedAt + self::CACHE_CREATION_MARGIN) {
$xml = $cacheStore->get($cacheKey);
}
}
if ($xml === false) {
$e = null;
if (!$kalturaFeed) {
$e = new KalturaMediaEntry();
$e->fromObject($entry);
}
$flavorAssetUrl = is_null($e) ? null : $this->getFlavorAssetUrl($e);
if (!$kalturaFeed && $entry->getType() !== entryType::MIX && is_null($flavorAssetUrl)) {
$xml = "";
// cache empty result to avoid checking getFlavorAssetUrl next time
} else {
$xml = $renderer->handleBody($entry, $e, $flavorAssetUrl);
}
}
if ($cacheStore) {
$cacheStore->set($cacheKey . self::CACHE_CREATION_TIME_SUFFIX, time(), self::CACHE_EXPIRY);
$cacheStore->set($cacheKey, $xml, self::CACHE_EXPIRY);
}
echo $renderer->finalize($xml, $nextEntry !== false);
}
echo $renderer->handleFooter();
if ($this->feedProcessingKey && function_exists('apc_delete')) {
apc_delete($this->feedProcessingKey);
}
$microTimeEnd = microtime(true);
KalturaLog::info("syndicationFeedRenderer- render time for ({$this->syndicationFeed->type}) is " . ($microTimeEnd - $microTimeStart));
}
