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-rw-r--r--lib/dbqueuemanager.php14
1 files changed, 10 insertions, 4 deletions
diff --git a/lib/dbqueuemanager.php b/lib/dbqueuemanager.php
index a37a8ffdf..19aa9f3ae 100644
--- a/lib/dbqueuemanager.php
+++ b/lib/dbqueuemanager.php
@@ -22,7 +22,6 @@
* @category QueueManager
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
- * @author Sarven Capadisli <csarven@controlyourself.ca>
* @copyright 2009 Control Yourself, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
@@ -86,9 +85,15 @@ class DBQueueManager extends QueueManager
$start = time();
$result = null;
+ $sleeptime = 1;
+
do {
$qi = Queue_item::top($queue);
- if (!empty($qi)) {
+ if (empty($qi)) {
+ $this->_log(LOG_DEBUG, "No new queue items, sleeping $sleeptime seconds.");
+ sleep($sleeptime);
+ $sleeptime *= 2;
+ } else {
$notice = Notice::staticGet('id', $qi->notice_id);
if (!empty($notice)) {
$result = $notice;
@@ -98,6 +103,7 @@ class DBQueueManager extends QueueManager
$qi->free();
$qi = null;
}
+ $sleeptime = 1;
}
} while (empty($result) && (is_null($timeout) || (time() - $start) < $timeout));
@@ -118,7 +124,7 @@ class DBQueueManager extends QueueManager
} else {
if (empty($qi->claimed)) {
$this->_log(LOG_WARNING, 'Reluctantly releasing unclaimed queue item '.
- 'for '.$notice->id.', queue '.$queue);
+ 'for '.$notice->id.', queue '.$queue);
}
$qi->delete();
$qi->free();
@@ -145,7 +151,7 @@ class DBQueueManager extends QueueManager
} else {
if (empty($qi->claimed)) {
$this->_log(LOG_WARNING, 'Ignoring failure for unclaimed queue item '.
- 'for '.$notice->id.', queue '.$queue);
+ 'for '.$notice->id.', queue '.$queue);
} else {
$orig = clone($qi);
$qi->claimed = null;