Ported [7461] to trunk

src/common/xmpp/dispatcher_nb.py

@@ -131,7 +131,7 @@ class Dispatcher(PlugIn):
 		try:
 			self.Stream.Parse(data)
 			# end stream:stream tag received
-			if self.Stream and self.Stream._NodeBuilder__depth == 0:
+			if self.Stream and self.Stream.has_received_endtag():
 				self._owner.Connection.disconnect()
 				return 0
 		except ExpatError:
@@ -142,6 +142,7 @@ class Dispatcher(PlugIn):
 		if len(self._pendingExceptions) > 0:
 			 _pendingException = self._pendingExceptions.pop()
 			 raise _pendingException[0], _pendingException[1], _pendingException[2]
+		if len(data) == 0: return '0'
 		return len(data)
 	
 	def RegisterNamespace(self, xmlns, order='info'):

src/common/xmpp/simplexml.py

@@ -290,6 +290,8 @@ class NodeBuilder:
 		self.Parse = self._parser.Parse
 
 		self.__depth = 0
+		self.__last_depth = 0
+		self.__max_depth = 0
 		self._dispatch_depth = 1
 		self._document_attrs = None
 		self._mini_dom=initial_node
@@ -326,7 +328,7 @@ class NodeBuilder:
 			ns=attr[:sp]           #
 			attrs[self.namespaces[ns]+attr[sp+1:]]=attrs[attr]
 			del attrs[attr]        #
-		self.__depth += 1
+		self._inc_depth()
 		self.DEBUG(DBG_NODEBUILDER, "DEPTH -> %i , tag -> %s, attrs -> %s" % (self.__depth, tag, `attrs`), 'down')
 		if self.__depth == self._dispatch_depth:
 			if not self._mini_dom : 
@@ -354,7 +356,7 @@ class NodeBuilder:
 			self._ptr = self._ptr.parent
 		else:
 			self.DEBUG(DBG_NODEBUILDER, "Got higher than dispatch level. Stream terminated?", 'stop')
-		self.__depth -= 1
+		self._dec_depth()
 		self.last_is_data = 0
 		if self.__depth == 0: self.stream_footer_received()
 	
@@ -387,6 +389,19 @@ class NodeBuilder:
 		""" Method called when stream just closed. """
 		self.check_data_buffer()
 
+	def has_received_endtag(self, level=0):
+		""" Return True if at least one end tag was seen (at level) """
+		return self.__depth <= level and self.__max_depth > level
+
+	def _inc_depth(self):
+		self.__last_depth = self.__depth
+		self.__depth += 1
+		self.__max_depth = max(self.__depth, self.__max_depth)
+
+	def _dec_depth(self):
+		self.__last_depth = self.__depth
+		self.__depth -= 1
+
 def XML2Node(xml):
 	""" Converts supplied textual string into XML node. Handy f.e. for reading configuration file.
 		Raises xml.parser.expat.parsererror if provided string is not well-formed XML. """