276 lines
8.1 KiB
PHP
276 lines
8.1 KiB
PHP
<?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;
|
|
protected $lastPing = null;
|
|
protected $pingInterval;
|
|
|
|
/**
|
|
* Initialise connection to server.
|
|
*
|
|
* @return boolean true on success
|
|
*/
|
|
public function start($master) {
|
|
if (parent::start($master)) {
|
|
$this->requeue_waiting_messages();
|
|
$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();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Message pump is triggered on socket input, so we only need an idle()
|
|
* call often enough to trigger our outgoing pings.
|
|
*/
|
|
public function timeout() {
|
|
return $this->pingInterval;
|
|
}
|
|
|
|
/**
|
|
* 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');
|
|
$this->conn->receive();
|
|
}
|
|
|
|
/**
|
|
* Initiate connection
|
|
*
|
|
* @return void
|
|
*/
|
|
public function connect() {
|
|
if (!$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' => false
|
|
)
|
|
);
|
|
$this->conn->registerHandler('IMin', array($this, 'handle_msn_message'));
|
|
$this->conn->registerHandler('SessionReady', array($this, 'handle_session_ready'));
|
|
$this->conn->registerHandler('Pong', array($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
|
|
*/
|
|
protected 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 $data Time till next ping
|
|
* @return void
|
|
*/
|
|
public function update_ping_time($data) {
|
|
$this->pingInterval = $data;
|
|
}
|
|
|
|
/**
|
|
* Called via a callback when a message is received
|
|
*
|
|
* Passes it back to the queuing system
|
|
*
|
|
* @param array $data Data
|
|
* @return boolean
|
|
*/
|
|
public function handle_msn_message($data) {
|
|
$this->plugin->enqueue_incoming_raw($data);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Called via a callback when a session becomes ready
|
|
*
|
|
* @param array $data Data
|
|
*/
|
|
public function handle_session_ready($data) {
|
|
$sessionFailed = false;
|
|
$wm = Msn_waiting_message::top($data['to']);
|
|
while ($wm != NULL) {
|
|
if ($sessionFailed) {
|
|
$this->plugin->send_message($wm->screenname, $wm->message);
|
|
$sessionFailed = true;
|
|
} elseif (!$this->conn->sendMessage($wm->screenname, $wm->message, $ignore)) {
|
|
$this->plugin->send_message($wm->screenname, $wm->message);
|
|
}
|
|
|
|
$wm->delete();
|
|
$wm = Msn_waiting_message::top($data['to']);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Requeue messages from the waiting table so we try
|
|
* to send them again
|
|
*
|
|
* @return void
|
|
*/
|
|
protected function requeue_waiting_messages() {
|
|
$wm = Msn_waiting_message::top($data['to']);
|
|
while ($wm != NULL) {
|
|
$this->plugin->send_message($wm->screenname, $wm->message);
|
|
$wm->delete();
|
|
$wm = Msn_waiting_message::top($data['to']);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Called by callback to log failure during connect
|
|
*
|
|
* @param void $data Not used (there to keep callback happy)
|
|
* @return void
|
|
*/
|
|
public function handle_connect_failed($data) {
|
|
common_log(LOG_NOTICE, 'MSN connect failed, retrying');
|
|
}
|
|
|
|
/**
|
|
* Called by callback to log reconnection
|
|
*
|
|
* @param void $data Not used (there to keep callback happy)
|
|
* @return void
|
|
*/
|
|
public function handle_reconnect($data) {
|
|
common_log(LOG_NOTICE, 'MSN reconnecting');
|
|
// Requeue messages waiting in the DB
|
|
$this->requeue_waiting_messages();
|
|
}
|
|
|
|
/**
|
|
* Enters a message into the database for sending via a callback
|
|
* when the session is established
|
|
*
|
|
* @param string $to Intended recipient
|
|
* @param string $message Message
|
|
*/
|
|
protected function enqueue_waiting_message($to, $message) {
|
|
$wm = new Msn_waiting_message();
|
|
|
|
$wm->screenname = $to;
|
|
$wm->message = $message;
|
|
$wm->created = common_sql_now();
|
|
$result = $wm->insert();
|
|
|
|
if (!$result) {
|
|
common_log_db_error($wm, 'INSERT', __FILE__);
|
|
throw new ServerException('DB error inserting queue item');
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Send a message using the daemon
|
|
*
|
|
* @param $data Message data
|
|
* @return boolean true on success
|
|
*/
|
|
public function send_raw_message($data) {
|
|
$this->connect();
|
|
if (!$this->conn) {
|
|
return false;
|
|
}
|
|
|
|
$waitForSession = false;
|
|
if (!$this->conn->sendMessage($data['to'], $data['message'], $waitForSession)) {
|
|
if ($waitForSession) {
|
|
$this->enqueue_waiting_message($data['to'], $data['message']);
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Sending a command updates the time till next ping
|
|
$this->lastPing = time();
|
|
$this->pingInterval = 50;
|
|
return true;
|
|
}
|
|
}
|