protected function invalidateTitle(\Title $title)
{
global $wgParsoidCacheServers, $wgContentNamespaces;
if (!in_array($title->getNamespace(), $wgContentNamespaces)) {
return false;
}
# First request the new version
$parsoidInfo = array();
$parsoidInfo['cacheID'] = $title->getPreviousRevisionID($title->getLatestRevID());
$parsoidInfo['changedTitle'] = $this->title->getPrefixedDBkey();
$requests = array();
foreach ($wgParsoidCacheServers as $server) {
$singleUrl = $this->getParsoidURL($title);
$requests[] = array('url' => $singleUrl, 'headers' => array('X-Parsoid: ' . json_encode($parsoidInfo), 'Cache-control: no-cache'));
$this->wikiaLog(array("action" => "invalidateTitle", "get_url" => $singleUrl));
}
$this->checkCurlResults(\CurlMultiClient::request($requests));
# And now purge the previous revision so that we make efficient use of
# the Varnish cache space without relying on LRU. Since the URL
# differs we can't use implicit refresh.
$requests = array();
foreach ($wgParsoidCacheServers as $server) {
// @TODO: this triggers a getPreviousRevisionID() query per server
$singleUrl = $this->getParsoidURL($title, true);
$requests[] = array('url' => $singleUrl);
$this->wikiaLog(array("action" => "invalidateTitle", "purge_url" => $singleUrl));
}
$options = \CurlMultiClient::getDefaultOptions();
$options[CURLOPT_CUSTOMREQUEST] = "PURGE";
return $this->checkCurlResults(\CurlMultiClient::request($requests, $options));
}
