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  import time 
17   
18 -class HubService(pb.Referenceable): 
19   
20 -    def __init__(self, dmd, instance): 
21          self.log = logging.getLogger('zen.hub') 
22          self.dmd = dmd 
23          self.zem = dmd.ZenEventManager 
24          self.instance = instance 
25          self.listeners = [] 
26          self.callTime = 0. 
27          self.methodPriorityMap = {} 
28   
29 -    def getPerformanceMonitor(self): 
30          return self.dmd.Monitors.getPerformanceMonitor(self.instance) 
31   
32 -    def remoteMessageReceived(self, broker, message, args, kw): 
33          self.log.debug("Servicing %s in %s", message, self.name()) 
34          now = time.time() 
35          try: 
36              return pb.Referenceable.remoteMessageReceived(self, broker, message, args, kw) 
37          finally: 
38              secs = time.time() - now 
39              self.log.debug("Time in %s: %.2f", message, secs) 
40              self.callTime += secs 
41   
42 -    def update(self, object): 
43          pass 
44   
45 -    def deleted(self, object): 
46          pass 
47   
48 -    def name(self): 
49          return self.__class__.__name__ 
50   
51 -    def addListener(self, remote): 
52          remote.notifyOnDisconnect(self.removeListener) 
53          self.log.debug("adding listener for %s:%s", self.instance, self.name()) 
54          self.listeners.append(remote) 
55   
56 -    def removeListener(self, listener): 
57          self.log.debug("removing listener for %s:%s", self.instance, self.name()) 
58          try: 
59              self.listeners.remove(listener) 
60          except ValueError: 
61              self.warning("Unable to remove listener... ignoring") 
62   
63 -    def getMethodPriority(self, methodName): 
64          if self.methodPriorityMap.has_key(methodName): 
65              return self.methodPriorityMap[methodName] 
66          return 0.4 
67