/**
* Resets the Kettenrad state, wipping out any pending backups and/or stale
* temporary data.
*
* @param array $config Configuration parameters for the reset operation
*/
public static function reset($config = array())
{
$default_config = array('global' => true, 'log' => false, 'maxrun' => 0);
$config = (object) array_merge($default_config, $config);
// Pause logging if so desired
if (!$config->log) {
AEUtilLogger::WriteLog(false, '');
}
$tag = null;
if (!$config->global) {
// If we're not resetting globally, get a list of running backups per tag
$tag = AEPlatform::getInstance()->get_backup_origin();
}
// Cache the factory before proceeding
$factory = AEFactory::serialize();
$runningList = AEPlatform::getInstance()->get_running_backups($tag);
// Origins we have to clean
$origins = array(AEPlatform::getInstance()->get_backup_origin());
// 1. Detect failed backups
if (is_array($runningList) && !empty($runningList)) {
// The current timestamp
$now = time();
// Mark running backups as failed
foreach ($runningList as $running) {
if (empty($tag)) {
// Check the timestamp of the log file to decide if it's stuck,
// but only if a tag is not set
$tstamp = @filemtime(AEUtilLogger::logName($running['origin']));
if ($tstamp !== false) {
// We can only check the timestamp if it's returned. If not, we assume the backup is stale
$difference = abs($now - $tstamp);
// Backups less than 3 minutes old are not considered stale
if ($difference < $config->maxrun) {
continue;
}
}
}
$filenames = AEUtilStatistics::get_all_filenames($running, false);
// Process if there are files to delete...
if (!is_null($filenames)) {
// Delete the failed backup's archive, if exists
foreach ($filenames as $failedArchive) {
AEPlatform::getInstance()->unlink($failedArchive);
}
}
// Mark the backup failed
$running['status'] = 'fail';
$running['multipart'] = 0;
$dummy = null;
AEPlatform::getInstance()->set_or_update_statistics($running['id'], $running, $dummy);
$origins[] = $running['origin'];
}
}
if (!empty($origins)) {
$origins = array_unique($origins);
foreach ($origins as $tag) {
AECoreKettenrad::load($tag);
// Remove temporary files
AEUtilTempfiles::deleteTempFiles();
// Delete any stale temporary data
AEUtilTempvars::reset($tag);
}
}
// Reload the factory
AEFactory::unserialize($factory);
unset($factory);
// Unpause logging if it was previously paused
if (!$config->log) {
AEUtilLogger::WriteLog(true, '');
}
}