Source Code for Module flumotion.component.plugs.lifecycle

 1  # -*- Mode: Python -*- 
 2  # vi:si:et:sw=4:sts=4:ts=4 
 3  # 
 4  # Flumotion - a streaming media server 
 5  # Copyright (C) 2006 Fluendo, S.L. (www.fluendo.com). 
 6  # All rights reserved. 
 7   
 8  # This file may be distributed and/or modified under the terms of 
 9  # the GNU General Public License version 2 as published by 
10  # the Free Software Foundation. 
11  # This file is distributed without any warranty; without even the implied 
12  # warranty of merchantability or fitness for a particular purpose. 
13  # See "LICENSE.GPL" in the source distribution for more information. 
14   
15  # Licensees having purchased or holding a valid Flumotion Advanced 
16  # Streaming Server license may use this file in accordance with the 
17  # Flumotion Advanced Streaming Server Commercial License Agreement. 
18  # See "LICENSE.Flumotion" in the source distribution for more information. 
19   
20  # Headers in this file shall remain intact. 
21   
22  from flumotion.component.plugs import base 
23   
24  __version__ = "$Rev: 6125 $" 
25   
26   
27 -class ManagerLifecycle(base.ManagerPlug): 
28      """ 
29      Base class for plugs that are started when the manager is started, 
30      and stopped when the manager is shut down. ManagerLifecycle plugs 
31      have no special methods; they are expected to do their interesting 
32      actions in response to the ManagerPlug start() and stop() methods. 
33      """ 
34   
35 -class ManagerLifecyclePrinter(ManagerLifecycle): 
36      """ 
37      Example implementation of the ManagerLifecyle socket, just prints 
38      things on the console. Pretty stupid! 
39      """ 
40 -    def start(self, vishnu): 
41          info = vishnu.connectionInfo 
42          print ('started manager running on %s:%d (%s)' 
43                 % (info['host'], info['port'], 
44                    info['using_ssl'] and 'with ssl' or 'without ssl')) 
45   
46 -    def stop(self, vishnu): 
47          info = vishnu.connectionInfo 
48          print ('stopped manager running on %s:%d (%s)' 
49                 % (info['host'], info['port'], 
50                    info['using_ssl'] and 'with ssl' or 'without ssl')) 
51   
52 -class ComponentLifecycle(base.ComponentPlug): 
53      """ 
54      Base class for plugs that are started when a component is started, 
55      and stopped when the component is stopped. ComponentLifecycle plugs 
56      have no special methods; they are expected to do their interesting 
57      actions in response to the ComponentPlug start() and stop() methods. 
58      """ 
59   
60 -class ComponentLifecyclePrinter(ComponentLifecycle): 
61      """ 
62      Example implementation of the ComponentLifecyle socket, just prints 
63      things on the console. Pretty stupid! 
64      """ 
65 -    def start(self, component): 
66          print 'Component has been started' 
67   
68 -    def stop(self, component): 
69          print 'Component is stopping' 
70