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<?php
/**
* Laconica, the distributed open-source microblogging tool
*
* Plugin to do "real time" updates using Orbited + STOMP
*
* 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 Plugin
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @copyright 2009 Control Yourself, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
if (!defined('LACONICA')) {
exit(1);
}
require_once INSTALLDIR.'/plugins/Realtime/RealtimePlugin.php';
/**
* Plugin to do realtime updates using Orbited + STOMP
*
* This plugin pushes data to a STOMP server which is then served to the
* browser by the Orbited server.
*
* @category Plugin
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
class OrbitedPlugin extends RealtimePlugin
{
public $webserver = null;
public $webport = null;
public $channelbase = null;
public $stompserver = null;
public $stompport = null;
public $username = null;
public $password = null;
public $webuser = null;
public $webpass = null;
protected $con = null;
function _getScripts()
{
$scripts = parent::_getScripts();
$port = (is_null($this->webport)) ? 8000 : $this->webport;
$server = (is_null($this->webserver)) ? common_config('site', 'server') : $this->webserver;
$root = 'http://'.$server.(($port == 80) ? '':':'.$port);
$scripts[] = $root.'/static/Orbited.js';
$scripts[] = $root.'/static/protocols/stomp/stomp.js';
$scripts[] = common_path('plugins/Orbited/orbitedupdater.js');
return $scripts;
}
function _updateInitialize($timeline, $user_id)
{
$script = parent::_updateInitialize($timeline, $user_id);
$server = $this->_getStompServer();
$port = $this->_getStompPort();
return $script." OrbitedUpdater.init(\"$server\", $port, ".
"\"{$timeline}\", \"{$this->webuser}\", \"{$this->webpass}\");";
}
function _connect()
{
require_once(INSTALLDIR.'/extlibs/Stomp.php');
$url = $this->_getStompUrl();
$this->con = new Stomp($url);
if ($this->con->connect($this->username, $this->password)) {
$this->_log(LOG_INFO, "Connected.");
} else {
$this->_log(LOG_ERR, 'Failed to connect to queue server');
throw new ServerException('Failed to connect to queue server');
}
}
function _publish($channel, $message)
{
$result = $this->con->send($channel,
json_encode($message));
return $result;
// TODO: parse and deal with result
}
function _disconnect()
{
$this->con->disconnect();
}
function _pathToChannel($path)
{
if (!empty($this->channelbase)) {
array_unshift($path, $this->channelbase);
}
return '/' . implode('/', $path);
}
function _getStompServer()
{
$server = (!is_null($this->stompserver)) ? $this->stompserver :
(!is_null($this->webserver)) ? $this->webserver :
common_config('site', 'server');
return $server;
}
function _getStompPort()
{
$port = (!is_null($this->stompport)) ? $this->stompport : 61613;
}
function _getStompUrl()
{
$server = $this->_getStompServer();
$port = $this->_getStompPort();
return "tcp://$server:$port/";
}
}
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