/**
* Remove expired upload sessions
*/
private function removeExpiredSessions($uploadCache)
{
$cacheRoot = $uploadCache->getCacheRoot();
if (empty($cacheRoot) || !is_dir($cacheRoot)) {
return;
}
$cacheRoot = rtrim($cacheRoot, '/\\');
$lastFullScan = $uploadCache->getLastFullScanTimestamp();
$currentTimestamp = time();
// Do not scan all cache too often
if ($lastFullScan + $this->_cacheAliveTimeout / 2 > $currentTimestamp) {
return;
}
$dirs = scandir($cacheRoot);
foreach ($dirs as $dir) {
if ($dir != '.' && $dir != '..' && is_dir($cacheRoot . DIRECTORY_SEPARATOR . $dir)) {
$uploadCache = new UploadCache($cacheRoot);
$uploadSessionId = $dir;
if ($uploadCache->getWriteTimestamp($uploadSessionId) + $this->_cacheAliveTimeout < $currentTimestamp) {
$uploadCache->cleanUploadSessionCache($uploadSessionId);
}
}
}
$uploadCache->setLastFullScanTimestamp($currentTimestamp);
}
