Package flumotion :: Package component :: Package plugs :: Module lifecycle
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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