85 lines
2.3 KiB
PHP
85 lines
2.3 KiB
PHP
<?php
|
|
/**
|
|
* StatusNet, the distributed open-source microblogging tool
|
|
*
|
|
* i/o manager to watch for a dead parent process
|
|
*
|
|
* PHP version 5
|
|
*
|
|
* LICENCE: 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/>.
|
|
*
|
|
* @category QueueManager
|
|
* @package StatusNet
|
|
* @author Brion Vibber <brion@status.net>
|
|
* @copyright 2010 StatusNet, Inc.
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
|
|
* @link http://status.net/
|
|
*/
|
|
|
|
class ProcessManager extends IoManager
|
|
{
|
|
protected $socket;
|
|
|
|
public static function get()
|
|
{
|
|
throw new Exception("Must pass ProcessManager per-instance");
|
|
}
|
|
|
|
public function __construct($socket)
|
|
{
|
|
$this->socket = $socket;
|
|
}
|
|
|
|
/**
|
|
* Tell the i/o queue master if and how we can handle multi-site
|
|
* processes.
|
|
*
|
|
* Return one of:
|
|
* IoManager::SINGLE_ONLY
|
|
* IoManager::INSTANCE_PER_SITE
|
|
* IoManager::INSTANCE_PER_PROCESS
|
|
*/
|
|
public static function multiSite()
|
|
{
|
|
return IoManager::INSTANCE_PER_PROCESS;
|
|
}
|
|
|
|
/**
|
|
* We won't get any input on it, but if it's broken we'll
|
|
* know something's gone horribly awry.
|
|
*
|
|
* @return array of resources
|
|
*/
|
|
function getSockets()
|
|
{
|
|
return array($this->socket);
|
|
}
|
|
|
|
/**
|
|
* See if the parent died and request a shutdown...
|
|
*
|
|
* @param resource $socket
|
|
* @return boolean success
|
|
*/
|
|
function handleInput($socket)
|
|
{
|
|
if (feof($socket)) {
|
|
common_log(LOG_INFO, "Parent process exited; shutting down child.");
|
|
$this->master->requestShutdown();
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
|