1 files changed, 43 insertions, 7 deletions

diff --git a/lib/xmppqueuehandler.php b/lib/xmppqueuehandler.php
index 91015fd45..77d476c30 100644
--- 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.
+ * Copyright (C) 2008, 2009, Control Yourself, 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
@@ -21,8 +21,10 @@ if (!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.
@@ -30,12 +32,14 @@ require_once(INSTALLDIR.'/lib/queuehandler.php');
 
 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);
+        $this->conn = jabber_connect($this->_id.$this->transport());
         if ($this->conn) {
             $this->conn->addEventHandler('message', 'forward_message', $this);
             $this->conn->addEventHandler('reconnect', 'handle_reconnect', $this);
@@ -44,7 +48,12 @@ class XmppQueueHandler extends QueueHandler
         }
         return !is_null($this->conn);
     }
-    
+
+    function timeout()
+    {
+        return 10;
+    }
+
     function handle_reconnect(&$pl)
     {
         $this->conn->processUntil('session_start');
@@ -56,14 +65,36 @@ class XmppQueueHandler extends QueueHandler
         # Process the queue for as long as needed
         try {
             if ($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 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') {
@@ -92,7 +123,12 @@ class XmppQueueHandler extends QueueHandler
         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());
+    }
 }