wokkel integration part III + memory saved again

- disco handler (plugins handled)

plugins/plugin_xep_0065.py

@@ -63,6 +63,20 @@ import struct
 from binascii import hexlify
 import hashlib, pdb
 
+from zope.interface import implements
+
+try:
+    from twisted.words.protocols.xmlstream import XMPPHandler
+except ImportError:
+    from wokkel.subprotocols import XMPPHandler
+
+from wokkel import disco, iwokkel
+
+IQ_SET = '/iq[@type="set"]'
+NS_BS = 'http://jabber.org/protocol/bytestreams'
+BS_REQUEST = IQ_SET + '/query[@xmlns="' + NS_BS + '"]'
+
+
 
 PLUGIN_INFO = {
 "name": "XEP 0065 Plugin",
@@ -434,7 +448,9 @@ class Socks5ClientFactory(protocol.ClientFactory):
         debug ("Socks 5 client connection lost (reason: %s)", reason)
 
 
-class XEP_0065():
+class XEP_0065(XMPPHandler):
+    implements(iwokkel.IDisco)
+    
     def __init__(self, host):
         info("Plugin XEP_0065 initialization")
         self.host = host
@@ -442,10 +458,20 @@ class XEP_0065():
         self.server_factory = Socks5ServerFactory()
         self.server_factory.protocol.host = self.host #needed for progress CB
         self.client_factory = Socks5ClientFactory()
-        host.add_IQ_cb("http://jabber.org/protocol/bytestreams", self.getFile)
         port = int(self.host.memory.getParamV("Port", "File Transfert"))
         info("Launching Socks5 Stream server on port %d", port)
         reactor.listenTCP(port, self.server_factory)
+    
+    def connectionInitialized(self):
+        self.xmlstream.addObserver(BS_REQUEST, self.getFile)
+
+
+    def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
+        return [disco.DiscoFeature(NS_BS)]
+
+    def getDiscoItems(self, requestor, target, nodeIdentifier=''):
+        return []
+
 
     def setData(self, data, id):
         self.data = data
@@ -459,10 +485,11 @@ class XEP_0065():
         self.server_factory.protocol.filesize = size
         self.server_factory.protocol.transfert_id = id
 
-    def getFile(self, stanza):
+    def getFile(self, iq):
         """Get file using byte stream"""
-        SI_elem = stanza.firstChildElement()
-        IQ_id = stanza['id']
+        iq.handled = True
+        SI_elem = iq.firstChildElement()
+        IQ_id = iq['id']
         for element in SI_elem.elements():
             if element.name == "streamhost":
                 info ("Stream proposed: host=[%s] port=[%s]", element['host'], element['port'])