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<?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/>.
*/
if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
/**
* IKM background connection manager for IM-using queue handlers,
* allowing them to send outgoing messages on the right connection.
*
* In a multi-site queuedaemon.php run, one connection will be instantiated
* for each site being handled by the current process that has IM enabled.
*
* Implementations that extend this class will likely want to:
* 1) override start() with their connection process.
* 2) override handleInput() with what to do when data is waiting on
* one of the sockets
* 3) override idle($timeout) to do keepalives (if necessary)
* 4) implement send_raw_message() to send raw data that ImPlugin::enqueue_outgoing_raw
* enqueued
*/
abstract class ImManager extends IoManager
{
abstract function send_raw_message($data);
function __construct($imPlugin)
{
$this->plugin = $imPlugin;
//TODO We only really want to register this event if this is the thread that runs the ImManager
Event::addHandler('EndInitializeQueueManager', array($this, 'onEndInitializeQueueManager'));
}
/**
* Fetch the singleton manager for the current site.
* @return mixed ImManager, or false if unneeded
*/
public static function get()
{
throw new Exception('ImManager should be created using it\'s constructor, not the static get method');
}
/**
* Register notice queue handler
*
* @param QueueManager $manager
*
* @return boolean hook return
*/
function onEndInitializeQueueManager($manager)
{
$manager->connect($this->plugin->transport . '-out', new ImSenderQueueHandler($this->plugin, $this), 'imdaemon');
return true;
}
}
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