friendica/src/Core/Worker/IPC.php
2022-05-20 04:42:10 +00:00

75 lines
1.8 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2010-2022, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* 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 <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Core\Worker;
use Friendica\Database\DBA;
/**
* Contains the class for the inter process communication
*/
class IPC
{
/**
* Set the flag if some job is waiting
*
* @param boolean $jobs Is there a waiting job?
* @param int $key Key number
* @throws \Exception
*/
public static function SetJobState(bool $jobs, int $key = 0)
{
$stamp = (float)microtime(true);
DBA::replace('worker-ipc', ['jobs' => $jobs, 'key' => $key]);
}
/**
* Delete a key entry
*
* @param int $key Key number
* @throws \Exception
*/
public static function DeleteJobState(int $key)
{
$stamp = (float)microtime(true);
DBA::delete('worker-ipc', ['key' => $key]);
}
/**
* Checks if some worker job waits to be executed
*
* @param int $key Key number
* @return bool
* @throws \Exception
*/
public static function JobsExists(int $key = 0)
{
$row = DBA::selectFirst('worker-ipc', ['jobs'], ['key' => $key]);
// When we don't have a row, no job is running
if (!DBA::isResult($row)) {
return false;
}
return (bool)$row['jobs'];
}
}