+ $qi = NULL;
+ return NULL;
+ }
+
+ function broadcast_queue() {
+ $this->clear_old_claims();
+ $this->log(LOG_INFO, 'checking for queued notices');
+ do {
+ $qi = $this->top_queue_item();
+ if ($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?
+ $result = common_real_broadcast($notice, $this->is_remote($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 = NULL;
+ } else {
+ $this->log(LOG_WARNING, 'queue item for notice that does not exist');
+ }
+ $qi->delete();
+ }
+ } while ($qi);
+ }
+
+ function clear_old_claims() {
+ $qi = new Queue_item();
+ $qi->claimed = NULL;
+ $qi->whereAdd('now() - claimed > '.CLAIM_TIMEOUT);
+ $qi->update(DB_DATAOBJECT_WHEREADD_ONLY);
+ }
+
+ function is_remote($notice) {
+ $user = User::staticGet($notice->profile_id);
+ return !$user;