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#!/usr/bin/env php
<?php
/*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008, 2009, StatusNet, 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/>.
*/
define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
$shortoptions = 'fi:at:';
$longoptions = array('id=', 'foreground', 'all', 'threads=');
/**
* Attempts to get a count of the processors available on the current system
* to fan out multiple threads.
*
* Recognizes Linux and Mac OS X; others will return default of 1.
*
* @fixme move this to SpawningDaemon, but to get the default val for help
* text we seem to need it before loading infrastructure
* @return intval
*/
function getProcessorCount()
{
$cpus = 0;
switch (PHP_OS) {
case 'Linux':
$cpuinfo = file('/proc/cpuinfo');
foreach (file('/proc/cpuinfo') as $line) {
if (preg_match('/^processor\s+:\s+(\d+)\s?$/', $line)) {
$cpus++;
}
}
break;
case 'Darwin':
$cpus = intval(shell_exec("/usr/sbin/sysctl -n hw.ncpu 2>/dev/null"));
break;
}
if ($cpus) {
return $cpus;
}
return 1;
}
$threads = getProcessorCount();
$helptext = <<<END_OF_QUEUE_HELP
Daemon script for running queued items.
-i --id Identity (default none)
-f --foreground Stay in the foreground (default background)
-a --all Handle queues for all local sites
(requires Stomp queue handler, status_network setup)
-t --threads=<n> Spawn <n> processing threads (default $threads)
END_OF_QUEUE_HELP;
require_once INSTALLDIR.'/scripts/commandline.inc';
require_once(INSTALLDIR.'/lib/daemon.php');
require_once(INSTALLDIR.'/classes/Queue_item.php');
require_once(INSTALLDIR.'/classes/Notice.php');
define('CLAIM_TIMEOUT', 1200);
/**
* Queue handling daemon...
*
* The queue daemon by default launches in the background, at which point
* it'll pass control to the configured QueueManager class to poll for updates.
*
* We can then pass individual items through the QueueHandler subclasses
* they belong to.
*/
class QueueDaemon extends SpawningDaemon
{
protected $allsites = false;
function __construct($id=null, $daemonize=true, $threads=1, $allsites=false)
{
parent::__construct($id, $daemonize, $threads);
$this->all = $allsites;
}
/**
* Setup and start of run loop for this queue handler as a daemon.
* Most of the heavy lifting is passed on to the QueueManager's service()
* method, which passes control on to the QueueHandler's handle()
* method for each item that comes in on the queue.
*
* @return boolean true on success, false on failure
*/
function runThread()
{
$this->log(LOG_INFO, 'checking for queued notices');
$master = new QueueMaster($this->get_id());
$master->init($this->all);
$master->service();
$this->log(LOG_INFO, 'finished servicing the queue');
$this->log(LOG_INFO, 'terminating normally');
return true;
}
}
class QueueMaster extends IoMaster
{
/**
* Initialize IoManagers for the currently configured site
* which are appropriate to this instance.
*/
function initManagers()
{
$classes = array();
if (Event::handle('StartQueueDaemonIoManagers', array(&$classes))) {
$classes[] = 'QueueManager';
}
Event::handle('EndQueueDaemonIoManagers', array(&$classes));
foreach ($classes as $class) {
$this->instantiate($class);
}
}
}
if (have_option('i')) {
$id = get_option_value('i');
} else if (have_option('--id')) {
$id = get_option_value('--id');
} else if (count($args) > 0) {
$id = $args[0];
} else {
$id = null;
}
if (have_option('t')) {
$threads = intval(get_option_value('t'));
} else if (have_option('--threads')) {
$threads = intval(get_option_value('--threads'));
} else {
$threads = 0;
}
if (!$threads) {
$threads = getProcessorCount();
}
$daemonize = !(have_option('f') || have_option('--foreground'));
$all = have_option('a') || have_option('--all');
$daemon = new QueueDaemon($id, $daemonize, $threads, $all);
$daemon->runOnce();
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