public function renderModuleStatus(AphrontRequest $request)
{
$viewer = $request->getViewer();
$collectors = PhabricatorGarbageCollector::getAllCollectors();
$collectors = msort($collectors, 'getCollectorConstant');
$rows = array();
$rowc = array();
foreach ($collectors as $key => $collector) {
$class = null;
if ($collector->hasAutomaticPolicy()) {
$policy_view = phutil_tag('em', array(), pht('Automatic'));
} else {
$policy = $collector->getRetentionPolicy();
if ($policy === null) {
$policy_view = pht('Indefinite');
} else {
$days = ceil($policy / phutil_units('1 day in seconds'));
$policy_view = pht('%s Day(s)', new PhutilNumber($days));
}
$default = $collector->getDefaultRetentionPolicy();
if ($policy !== $default) {
$class = 'highlighted';
$policy_view = phutil_tag('strong', array(), $policy_view);
}
}
$rowc[] = $class;
$rows[] = array($collector->getCollectorConstant(), $collector->getCollectorName(), $policy_view);
}
$table = id(new AphrontTableView($rows))->setRowClasses($rowc)->setHeaders(array(pht('Constant'), pht('Name'), pht('Retention Policy')))->setColumnClasses(array(null, 'pri wide', null));
$header = id(new PHUIHeaderView())->setHeader(pht('Garbage Collectors'))->setSubheader(pht('Collectors with custom policies are highlighted. Use ' . '%s to change retention policies.', phutil_tag('tt', array(), 'bin/garbage set-policy')));
return id(new PHUIObjectBoxView())->setHeader($header)->setTable($table);
}
protected function getCollector($const)
{
$collectors = PhabricatorGarbageCollector::getAllCollectors();
$collector_list = array_keys($collectors);
sort($collector_list);
$collector_list = implode(', ', $collector_list);
if (!$const) {
throw new PhutilArgumentUsageException(pht('Specify a collector with "%s". Valid collectors are: %s.', '--collector', $collector_list));
}
if (empty($collectors[$const])) {
throw new PhutilArgumentUsageException(pht('No such collector "%s". Choose a valid collector: %s.', $const, $collector_list));
}
return $collectors[$const];
}
/**
* Update garbage collection, possibly collecting a small amount of garbage.
*
* @return bool True if there is more garbage to collect.
* @task garbage
*/
private function updateGarbageCollection()
{
// If we're ready to start the next collection cycle, load all the
// collectors.
$next = $this->nextCollection;
if ($next && PhabricatorTime::getNow() >= $next) {
$this->nextCollection = null;
$all_collectors = PhabricatorGarbageCollector::getAllCollectors();
$this->garbageCollectors = $all_collectors;
}
// If we're in a collection cycle, continue collection.
if ($this->garbageCollectors) {
foreach ($this->garbageCollectors as $key => $collector) {
$more_garbage = $collector->runCollector();
if (!$more_garbage) {
unset($this->garbageCollectors[$key]);
}
// We only run one collection per call, to prevent triggers from being
// thrown too far off schedule if there's a lot of garbage to collect.
break;
}
if ($this->garbageCollectors) {
// If we have more work to do, return true.
return true;
}
// Otherwise, reschedule another cycle in 4 hours.
$now = PhabricatorTime::getNow();
$wait = phutil_units('4 hours in seconds');
$this->nextCollection = $now + $wait;
}
return false;
}
