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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); }
/**
* MSN background connection manager for MSN-using queue handlers,
* allowing them to send outgoing messages on the right connection.
*
* Input is handled during socket select loop, keepalive pings during idle.
* Any incoming messages will be handled.
*
* In a multi-site queuedaemon.php run, one connection will be instantiated
* for each site being handled by the current process that has MSN enabled.
*/
class MsnManager extends ImManager {
public $conn = null;
private $lastping = null;
private $pingInterval;
/**
* Initialise connection to server.
*
* @return boolean true on success
*/
public function start($master) {
if (parent::start($master)) {
$this->connect();
return true;
} else {
return false;
}
}
/**
* Return any open sockets that the run loop should listen
* for input on.
*
* @return array Array of socket resources
*/
public function getSockets() {
$this->connect();
if ($this->conn) {
return $this->conn->getSockets();
} else {
return array();
}
}
/**
* Idle processing for io manager's execution loop.
* Send keepalive pings to server.
*
* @return void
*/
public function idle($timeout = 0) {
if (empty($this->lastping) || time() - $this->lastping > $this->pingInterval) {
$this->send_ping();
}
}
/**
* Process MSN events that have come in over the wire.
*
* @param resource $socket Socket ready
* @return void
*/
public function handleInput($socket) {
common_log(LOG_DEBUG, 'Servicing the MSN queue.');
$this->stats('msn_process');
$this->conn->receive();
}
/**
* Initiate connection
*
* @return void
*/
function connect() {
if (!$this->conn) {
$this->conn = new MSN(
array(
'user' => $this->plugin->user,
'password' => $this->plugin->password,
'alias' => $this->plugin->nickname,
'psm' => 'Send me a message to post a notice',
'debug' => true
)
);
$this->conn->registerHandler("IMIn", array($this, 'handle_msn_message'));
$this->conn->registerHandler('Pong', array($this, 'update_ping_time'));
$this->conn->registerHandler('ConnectFailed', array($this, 'handle_connect_failed'));
$this->conn->registerHandler('Reconnect', array($this, 'handle_reconnect'));
$this->conn->signon();
$this->lastping = time();
}
return $this->conn;
}
/**
* Called by the idle process to send a ping
* when necessary
*
* @return void
*/
private function send_ping() {
$this->connect();
if (!$this->conn) {
return false;
}
$this->conn->sendPing();
$this->lastping = time();
$this->pingInterval = 50;
return true;
}
/**
* Update the time till the next ping
* @param $data Time till next ping
*/
private function update_ping_time($data) {
$pingInterval = $data;
}
/**
* Called via a callback when a message is received
*
* Passes it back to the queuing system
*
* @param array $data Data
* @return void
*/
private function handle_msn_message($data) {
$this->plugin->enqueue_incoming_raw($data);
return true;
}
/**
* Called by callback to log failure during connect
*
* @param void $data Not used (there to keep callback happy)
* @return void
*/
function handle_connect_failed($data) {
common_log(LOG_NOTICE, 'MSN connect failed, retrying');
}
/**
* Called by callback to log reconnection
*
* @param void $data Not used (there to keep callback happy)
* @return void
*/
function handle_reconnect($data) {
common_log(LOG_NOTICE, 'MSN reconnecting');
}
function send_raw_message($data) {
$this->connect();
if (!$this->conn) {
return false;
}
if (!$this->conn->sendMessage($data['to'], $data['message'])) {
return false;
}
// Sending a command updates the time till next ping
$this->lastping = time();
$this->pingInterval = 50;
return true;
}
}
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