Source Code for Module ZenHub.HubService

 1  ########################################################################### 
 2  # 
 3  # This program is part of Zenoss Core, an open source monitoring platform. 
 4  # Copyright (C) 2007, Zenoss Inc. 
 5  # 
 6  # This program is free software; you can redistribute it and/or modify it 
 7  # under the terms of the GNU General Public License version 2 as published by 
 8  # the Free Software Foundation. 
 9  # 
10  # For complete information please visit: http://www.zenoss.com/oss/ 
11  # 
12  ########################################################################### 
13  from twisted.spread import pb 
14   
15  import logging 
16  hubLog = logging.getLogger("zenhub") 
17   
18   
19 -class HubService(pb.Referenceable): 
20   
21      log = hubLog 
22   
23 -    def __init__(self, dmd, instance): 
24          self.dmd = dmd 
25          self.zem = dmd.ZenEventManager 
26          self.instance = instance 
27          self.listeners = [] 
28   
29 -    def update(self, object): 
30          pass 
31   
32 -    def deleted(self, object): 
33          pass 
34   
35 -    def addListener(self, remote): 
36          remote.notifyOnDisconnect(self.removeListener) 
37          self.log.info("adding listener") 
38          self.listeners.append(remote) 
39   
40 -    def removeListener(self, listener): 
41          self.log.warning("removing listener") 
42          try: 
43              self.listeners.remove(listener) 
44          except ValueError: 
45              self.warning("Unable to remove listener... ignoring") 
46