1 files changed, 51 insertions, 10 deletions
diff --git a/sleekxmpp/stanza/iq.py b/sleekxmpp/stanza/iq.py
index f45b3c67..088de4c0 100644
--- a/sleekxmpp/stanza/iq.py
+++ b/sleekxmpp/stanza/iq.py
@@ -9,7 +9,7 @@
 from sleekxmpp.stanza.rootstanza import RootStanza
 from sleekxmpp.xmlstream import StanzaBase, ET
 from sleekxmpp.xmlstream.handler import Waiter, Callback
-from sleekxmpp.xmlstream.matcher import MatcherId
+from sleekxmpp.xmlstream.matcher import MatchIDSender, MatcherId
 from sleekxmpp.exceptions import IqTimeout, IqError
 
 
@@ -115,9 +115,13 @@ class Iq(RootStanza):
         """
         query = self.xml.find("{%s}query" % value)
         if query is None and value:
-            self.clear()
-            query = ET.Element("{%s}query" % value)
-            self.xml.append(query)
+            plugin = self.plugin_tag_map.get('{%s}query' % value, None)
+            if plugin:
+                self.enable(plugin.plugin_attrib)
+            else:
+                self.clear()
+                query = ET.Element("{%s}query" % value)
+                self.xml.append(query)
         return self
 
     def get_query(self):
@@ -154,7 +158,7 @@ class Iq(RootStanza):
         StanzaBase.reply(self, clear)
         return self
 
-    def send(self, block=True, timeout=None, callback=None, now=False):
+    def send(self, block=True, timeout=None, callback=None, now=False, timeout_callback=None):
         """
         Send an <iq> stanza over the XML stream.
 
@@ -181,20 +185,47 @@ class Iq(RootStanza):
             now      -- Indicates if the send queue should be skipped and send
                         the stanza immediately. Used during stream
                         initialization. Defaults to False.
+            timeout_callback -- Optional reference to a stream handler function.
+                        Will be executed when the timeout expires before a
+                        response has been received with the originally-sent IQ
+                        stanza.  Only called if there is a callback parameter
+                        (and therefore are in async mode).
         """
         if timeout is None:
             timeout = self.stream.response_timeout
+
+        if self.stream.session_bind_event.is_set():
+            matcher = MatchIDSender({
+                'id': self['id'],
+                'self': self.stream.boundjid,
+                'peer': self['to']
+            })
+        else:
+            matcher = MatcherId(self['id'])
+
         if callback is not None and self['type'] in ('get', 'set'):
             handler_name = 'IqCallback_%s' % self['id']
-            handler = Callback(handler_name,
-                               MatcherId(self['id']),
-                               callback,
-                               once=True)
+            if timeout_callback:
+                self.callback = callback
+                self.timeout_callback = timeout_callback
+                self.stream.schedule('IqTimeout_%s' % self['id'],
+                                     timeout,
+                                     self._fire_timeout,
+                                     repeat=False)
+                handler = Callback(handler_name,
+                                   matcher,
+                                   self._handle_result,
+                                   once=True)
+            else:
+                handler = Callback(handler_name,
+                                   matcher,
+                                   callback,
+                                   once=True)
             self.stream.register_handler(handler)
             StanzaBase.send(self, now=now)
             return handler_name
         elif block and self['type'] in ('get', 'set'):
-            waitfor = Waiter('IqWait_%s' % self['id'], MatcherId(self['id']))
+            waitfor = Waiter('IqWait_%s' % self['id'], matcher)
             self.stream.register_handler(waitfor)
             StanzaBase.send(self, now=now)
             result = waitfor.wait(timeout)
@@ -206,6 +237,16 @@ class Iq(RootStanza):
         else:
             return StanzaBase.send(self, now=now)
 
+    def _handle_result(self, iq):
+        # we got the IQ, so don't fire the timeout
+        self.stream.scheduler.remove('IqTimeout_%s' % self['id'])
+        self.callback(iq)
+
+    def _fire_timeout(self):
+        # don't fire the handler for the IQ, if it finally does come in
+        self.stream.remove_handler('IqCallback_%s' % self['id'])
+        self.timeout_callback(self)
+
     def _set_stanza_values(self, values):
         """
         Set multiple stanza interface values using a dictionary.