Source Code for Module flumotion.component.plugs.identity

 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  import random 
23   
24  from flumotion.twisted import defer 
25   
26  from flumotion.common.identity import RemoteIdentity 
27  from flumotion.component.plugs import base 
28   
29  __version__ = "$Rev: 6125 $" 
30   
31   
32 -class IdentityProvider(base.ManagerPlug): 
33      """ 
34      Base class for plugs can calculate an identity of a remote host. See 
35      L{flumotion.manager.manager.Vishnu.computeIdentity} for more 
36      information. 
37      """ 
38 -    def computeIdentity(self, keycard, remoteHost): 
39          """ 
40          @param keycard:    the keycard that the remote host used to log in. 
41          @type  keycard:    L{flumotion.common.keycards.Keycard} 
42          @param remoteHost: the ip of the remote host 
43          @type  remoteHost: str 
44   
45          @rtype: a deferred that will fire a 
46                  L{flumotion.common.identity.RemoteIdentity} 
47          """ 
48          raise NotImplementedError 
49   
50 -class ExampleIdentityProvider(IdentityProvider): 
51      """ 
52      Example implementation of the IdentityProvider socket, randomly 
53      chooses an identity for the remote host. 
54      """ 
55   
56 -    def computeIdentity(self, keycard, remoteHost): 
57          i = RemoteIdentity(random.choice(['larry', 'curly', 'moe']), 
58                             random.choice(['chicago', 'detroit'])) 
59          return defer.succeed(i) 
60