/**
* Run a polling cycle during idle processing in the input loop.
* @return boolean true if we should poll again for more data immediately
*/
public function poll()
{
$this->_log(LOG_DEBUG, 'Checking for notices...');
$qi = Queue_item::top($this->activeQueues());
if (empty($qi)) {
$this->_log(LOG_DEBUG, 'No notices waiting; idling.');
return false;
}
$queue = $qi->transport;
$item = $this->decode($qi->frame);
if ($item) {
$rep = $this->logrep($item);
$this->_log(LOG_INFO, "Got {$rep} for transport {$queue}");
$handler = $this->getHandler($queue);
if ($handler) {
if ($handler->handle($item)) {
$this->_log(LOG_INFO, "[{$queue}:{$rep}] Successfully handled item");
$this->_done($qi);
} else {
$this->_log(LOG_INFO, "[{$queue}:{$rep}] Failed to handle item");
$this->_fail($qi);
}
} else {
$this->_log(LOG_INFO, "[{$queue}:{$rep}] No handler for queue {$queue}; discarding.");
$this->_done($qi);
}
} else {
$this->_log(LOG_INFO, "[{$queue}] Got empty/deleted item, discarding");
$this->_fail($qi);
}
return true;
}
/**
* Run a polling cycle during idle processing in the input loop.
* @return boolean true if we should poll again for more data immediately
*/
public function poll()
{
//$this->_log(LOG_DEBUG, 'Checking for notices...');
$qi = Queue_item::top($this->activeQueues(), $this->getIgnoredTransports());
if (!$qi instanceof Queue_item) {
//$this->_log(LOG_DEBUG, 'No notices waiting; idling.');
return false;
}
try {
$item = $this->decode($qi->frame);
} catch (Exception $e) {
$this->_log(LOG_INFO, "[{$qi->transport}] Discarding: " . $e->getMessage());
$this->_done($qi);
return true;
}
$rep = $this->logrep($item);
$this->_log(LOG_DEBUG, "Got {$rep} for transport {$qi->transport}");
$handler = $this->getHandler($qi->transport);
if ($handler) {
if ($handler->handle($item)) {
$this->_log(LOG_INFO, "[{$qi->transport}:{$rep}] Successfully handled item");
$this->_done($qi);
} else {
$this->_log(LOG_INFO, "[{$qi->transport}:{$rep}] Failed to handle item");
$this->_fail($qi);
}
} else {
$this->noHandlerFound($qi, $rep);
}
return true;
}
function run()
{
if (!$this->start()) {
return false;
}
$this->log(LOG_INFO, 'checking for queued notices');
$transport = $this->transport();
do {
$qi = Queue_item::top($transport);
if ($qi) {
$this->log(LOG_INFO, 'Got item enqueued ' . common_exact_date($qi->created));
$notice = Notice::staticGet($qi->notice_id);
if ($notice) {
$this->log(LOG_INFO, 'broadcasting notice ID = ' . $notice->id);
# XXX: what to do if broadcast fails?
$result = $this->handle_notice($notice);
if (!$result) {
$this->log(LOG_WARNING, 'Failed broadcast for notice ID = ' . $notice->id);
$orig = $qi;
$qi->claimed = null;
$qi->update($orig);
$this->log(LOG_WARNING, 'Abandoned claim for notice ID = ' . $notice->id);
continue;
}
$this->log(LOG_INFO, 'finished broadcasting notice ID = ' . $notice->id);
$notice->free();
unset($notice);
$notice = null;
} else {
$this->log(LOG_WARNING, 'queue item for notice that does not exist');
}
$qi->delete();
$qi->free();
unset($qi);
$this->idle(0);
} else {
$this->clear_old_claims();
$this->idle(5);
}
} while (true);
if (!$this->finish()) {
return false;
}
return true;
}
function _nextItem($queue, $timeout = null)
{
$start = time();
$result = null;
do {
$qi = Queue_item::top($queue);
if (!empty($qi)) {
$notice = Notice::staticGet('id', $qi->notice_id);
if (!empty($notice)) {
$result = $notice;
} else {
$this->_log(LOG_INFO, 'dequeued non-existent notice ' . $notice->id);
$qi->delete();
$qi->free();
$qi = null;
}
}
} while (empty($result) && (is_null($timeout) || time() - $start < $timeout));
return $result;
}
