Don't retry unhandled transports in OpportunisticQM

It'd continue trying xmpp transports forever, for example...
This commit is contained in:
Mikael Nordfeldth 2015-07-18 01:09:50 +02:00
parent e10d081a56
commit beba2a25d0
4 changed files with 27 additions and 3 deletions

View File

@ -40,7 +40,7 @@ class Queue_item extends Managed_DataObject
* @param mixed $transports name of a single queue or array of queues to pull from
* If not specified, checks all queues in the system.
*/
static function top($transports=null) {
static function top($transports=null, array $ignored_transports=array()) {
$qi = new Queue_item();
if ($transports) {
@ -52,6 +52,11 @@ class Queue_item extends Managed_DataObject
$qi->transport = $transports;
}
}
if (!empty($ignored_transports)) {
// @fixme use safer escaping
$list = implode("','", array_map(array($qi, 'escape'), $ignored_transports));
$qi->whereAdd("transport NOT IN ('$list')");
}
$qi->orderBy('created');
$qi->whereAdd('claimed is null');

View File

@ -72,7 +72,7 @@ class DBQueueManager extends QueueManager
public function poll()
{
//$this->_log(LOG_DEBUG, 'Checking for notices...');
$qi = Queue_item::top($this->activeQueues());
$qi = Queue_item::top($this->activeQueues(), $this->getIgnoredTransports());
if (!$qi instanceof Queue_item) {
//$this->_log(LOG_DEBUG, 'No notices waiting; idling.');
return false;

View File

@ -43,6 +43,7 @@ abstract class QueueManager extends IoManager
protected $handlers = array();
protected $groups = array();
protected $activeGroups = array();
protected $ignoredTransports = array();
/**
* Factory function to pull the appropriate QueueManager object
@ -255,6 +256,17 @@ abstract class QueueManager extends IoManager
return array_keys($queues);
}
function getIgnoredTransports()
{
return array_keys($this->ignoredTransports);
}
function ignoreTransport($transport)
{
// key is used for uniqueness, value doesn't mean anything
$this->ignoredTransports[$transport] = true;
}
/**
* Initialize the list of queue handlers for the current site.
*

View File

@ -83,10 +83,17 @@ class OpportunisticQueueManager extends DBQueueManager
// OpportunisticQM shouldn't discard items it can't handle, we're
// only here to take care of what we _can_ handle!
protected function noHandlerFound(Queue_item $qi, $rep=null) {
$this->_log(LOG_WARNING, "[{$qi->transport}:item {$qi->id}] Releasing claim for queue item without a handler");
$this->_log(LOG_WARNING, "[{$qi->transport}:item {$qi->id}] Releasing claim for queue item without a handler");
$this->_fail($qi, true); // true here means "releaseOnly", so no error statistics since it's not an _error_
}
protected function _fail(Queue_item $qi, $releaseOnly=false)
{
parent::_fail($qi, $releaseOnly);
$this->_log(LOG_DEBUG, "[{$qi->transport}:item {$qi->id}] Ignoring this transport for the rest of this execution");
$this->ignoreTransport($qi->transport);
}
/**
* Takes care of running through the queue items, returning when
* the limits setup in __construct are met.