code: def ApplicationDatagram(self, app, stream, text):
          
  
          # we should only proceed if we are in UDP mode
          if stype != socket.SOCK_DGRAM:
              return
  
          # decode the data
          data = base64.decodestring(text)
  
          # open an UDP socket
          sock = socket.socket(type=stype)
  
          # send the data
          try:
              sock.sendto(data, addr)
          except socket.error, e:
              print 'error: %s' % e
docs: Called when a datagram is received over a stream.