start of a location class

[quix0rs-gnu-social.git] / lib / xmppqueuehandler.php

diff --git a/lib/xmppqueuehandler.php b/lib/xmppqueuehandler.php
index 10c754a5b498442d6cf313bd938e3d4444a50dbb..f28fc9088c47b1449b91a0575f4656e43b3abf2e 100644 (file)
--- a/lib/xmppqueuehandler.php
+++ b/lib/xmppqueuehandler.php
@@ -1,7 +1,7 @@
 <?php
 /*
- * Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2008, Controlez-Vous, Inc.
+ * 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
@@ -17,50 +17,94 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-if (!defined('LACONICA')) { exit(1); }
+if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
 
 require_once(INSTALLDIR.'/lib/queuehandler.php');
 
+define('PING_INTERVAL', 120);
+
 /**
- * Common superclass for all XMPP-using queue handlers. They all need to 
+ * Common superclass for all XMPP-using queue handlers. They all need to
  * service their message queues on idle, and forward any incoming messages
  * to the XMPP listener connection. So, we abstract out common code to a
  * superclass.
  */
 
-class XmppQueueHandler extends QueueHandler {
-    
-    function start() {
+class XmppQueueHandler extends QueueHandler
+{
+    var $pingid = 0;
+    var $lastping = null;
+
+    function start()
+    {
         # Low priority; we don't want to receive messages
+
         $this->log(LOG_INFO, "INITIALIZE");
-        $this->conn = jabber_connect($this->_id);
-        if ($this->conn) {
-            $this->conn->addEventHandler('message', 'forward_message', $this);
-            $this->conn->addEventHandler('reconnect', 'handle_reconnect', $this);
-            $this->conn->setReconnectTimeout(600);
-            jabber_send_presence("Send me a message to post a notice", 'available', null, 'available', -1);
+        $this->conn = jabber_connect($this->_id.$this->transport());
+
+        if (empty($this->conn)) {
+            $this->log(LOG_ERR, "Couldn't connect to server.");
+            return false;
         }
+
+        $this->conn->addEventHandler('message', 'forward_message', $this);
+        $this->conn->addEventHandler('reconnect', 'handle_reconnect', $this);
+        $this->conn->setReconnectTimeout(600);
+        jabber_send_presence("Send me a message to post a notice", 'available', null, 'available', -1);
+
         return !is_null($this->conn);
     }
-    
-    function handle_reconnect(&$pl) {
+
+    function timeout()
+    {
+        return 10;
+    }
+
+    function handle_reconnect(&$pl)
+    {
+        $this->log(LOG_NOTICE, 'reconnected');
+
         $this->conn->processUntil('session_start');
         $this->conn->presence(null, 'available', null, 'available', -1);
     }
 
-    function idle($timeout=0) {
+    function idle($timeout=0)
+    {
         # Process the queue for as long as needed
         try {
             if ($this->conn) {
+                $this->log(LOG_DEBUG, "Servicing the XMPP queue.");
                 $this->conn->processTime($timeout);
+                $now = time();
+                if (empty($this->lastping) || $now - $this->lastping > PING_INTERVAL) {
+                    $this->sendPing();
+                    $this->lastping = $now;
+                }
             }
         } catch (XMPPHP_Exception $e) {
             $this->log(LOG_ERR, "Got an XMPPHP_Exception: " . $e->getMessage());
             die($e->getMessage());
         }
     }
-    
-    function forward_message(&$pl) {
+
+    function sendPing()
+    {
+        $jid = jabber_daemon_address().'/'.$this->_id.$this->transport();
+        $server = common_config('xmpp', 'server');
+
+        if (!isset($this->pingid)) {
+            $this->pingid = 0;
+        } else {
+            $this->pingid++;
+        }
+
+        $this->log(LOG_DEBUG, "Sending ping #{$this->pingid}");
+
+               $this->conn->send("<iq from='{$jid}' to='{$server}' id='ping_{$this->pingid}' type='get'><ping xmlns='urn:xmpp:ping'/></iq>");
+    }
+
+    function forward_message(&$pl)
+    {
         if ($pl['type'] != 'chat') {
             $this->log(LOG_DEBUG, 'Ignoring message of type ' . $pl['type'] . ' from ' . $pl['from']);
             return;
@@ -74,18 +118,25 @@ class XmppQueueHandler extends QueueHandler {
         $this->conn->message($this->listener(), $pl['body'], 'chat', null, $this->ofrom($pl['from']));
     }
 
-    function ofrom($from) {
+    function ofrom($from)
+    {
         $address = "<addresses xmlns='http://jabber.org/protocol/address'>\n";
         $address .= "<address type='ofrom' jid='$from' />\n";
         $address .= "</addresses>\n";
         return $address;
     }
 
-    function listener() {
+    function listener()
+    {
         if (common_config('xmpp', 'listener')) {
             return common_config('xmpp', 'listener');
         } else {
-            return jabber_daemon_address() . '/' . common_config('xmpp','resource') . '-listener';
+            return jabber_daemon_address() . '/' . common_config('xmpp','resource') . 'daemon';
         }
     }
+
+    function getSockets()
+    {
+        return array($this->conn->getSocket());
+    }
 }