forked from GNUsocial/gnu-social
142 lines
3.5 KiB
PHP
142 lines
3.5 KiB
PHP
<?php
|
|
/*
|
|
* Laconica - a distributed open-source microblogging tool
|
|
* Copyright (C) 2008, 2009, Control Yourself, Inc.
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
if (!defined('LACONICA')) { exit(1); }
|
|
|
|
require_once(INSTALLDIR.'/lib/daemon.php');
|
|
require_once(INSTALLDIR.'/classes/Queue_item.php');
|
|
require_once(INSTALLDIR.'/classes/Notice.php');
|
|
|
|
define('CLAIM_TIMEOUT', 1200);
|
|
define('QUEUE_HANDLER_MISS_IDLE', 10);
|
|
define('QUEUE_HANDLER_HIT_IDLE', 10);
|
|
|
|
class QueueHandler extends Daemon
|
|
{
|
|
var $_id = 'generic';
|
|
|
|
function QueueHandler($id=null)
|
|
{
|
|
if ($id) {
|
|
$this->set_id($id);
|
|
}
|
|
}
|
|
|
|
function timeout()
|
|
{
|
|
return null;
|
|
}
|
|
|
|
function class_name()
|
|
{
|
|
return ucfirst($this->transport()) . 'Handler';
|
|
}
|
|
|
|
function name()
|
|
{
|
|
return strtolower($this->class_name().'.'.$this->get_id());
|
|
}
|
|
|
|
function get_id()
|
|
{
|
|
return $this->_id;
|
|
}
|
|
|
|
function set_id($id)
|
|
{
|
|
$this->_id = $id;
|
|
}
|
|
|
|
function transport()
|
|
{
|
|
return null;
|
|
}
|
|
|
|
function start()
|
|
{
|
|
}
|
|
|
|
function finish()
|
|
{
|
|
}
|
|
|
|
function handle_notice($notice)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
function run()
|
|
{
|
|
if (!$this->start()) {
|
|
return false;
|
|
}
|
|
|
|
$this->log(LOG_INFO, 'checking for queued notices');
|
|
|
|
$queue = $this->transport();
|
|
$timeout = $this->timeout();
|
|
|
|
$qm = QueueManager::get();
|
|
|
|
while (true) {
|
|
$this->log(LOG_DEBUG, 'Checking for notices...');
|
|
$notice = $qm->nextItem($queue, $timeout);
|
|
if (empty($notice)) {
|
|
$this->log(LOG_DEBUG, 'No notices waiting; idling.');
|
|
// Nothing in the queue. Do you
|
|
// have other tasks, like servicing your
|
|
// XMPP connection, to do?
|
|
$this->idle(QUEUE_HANDLER_MISS_IDLE);
|
|
} else {
|
|
$this->log(LOG_INFO, 'Got notice '. $notice->id);
|
|
// Yay! Got one!
|
|
if ($this->handle_notice($notice)) {
|
|
$this->log(LOG_INFO, 'Successfully handled notice '. $notice->id);
|
|
$qm->done($notice, $queue);
|
|
} else {
|
|
$this->log(LOG_INFO, 'Failed to handle notice '. $notice->id);
|
|
$qm->fail($notice, $queue);
|
|
}
|
|
// Chance to e.g. service your XMPP connection
|
|
$this->log(LOG_DEBUG, 'Idling after success.');
|
|
$this->idle(QUEUE_HANDLER_HIT_IDLE);
|
|
}
|
|
// XXX: when do we give up?
|
|
}
|
|
|
|
if (!$this->finish()) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
function idle($timeout=0)
|
|
{
|
|
if ($timeout > 0) {
|
|
sleep($timeout);
|
|
}
|
|
}
|
|
|
|
function log($level, $msg)
|
|
{
|
|
common_log($level, $this->class_name() . ' ('. $this->get_id() .'): '.$msg);
|
|
}
|
|
}
|
|
|