Source Code for Module flumotion.admin.text.connection

 1  # -*- Mode: Python -*- 
 2  # vi:si:et:sw=4:sts=4:ts=4 
 3  # 
 4  # Flumotion - a streaming media server 
 5  # Copyright (C) 2004,2005,2006,2007 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  """connecting to a manager interface""" 
23   
24  import curses 
25   
26  from flumotion.admin.admin import AdminModel 
27  from flumotion.admin.text.view import AdminTextView 
28  from flumotion.common import errors 
29   
30  from twisted.internet import reactor 
31   
32  __version__ = "$Rev: 6961 $" 
33   
34   
35 -def connect_to_manager(stdscr, info): 
36      stdscr.addstr(0,0,"Connecting to %s" % 
37                    info) 
38      stdscr.clrtobot() 
39      stdscr.refresh() 
40   
41      model = AdminModel() 
42      d = model.connectToManager(info) 
43   
44      def outputError(str): 
45          print str 
46   
47      def connected(model): 
48          stdscr.addstr(0,0,"Connected") 
49          stdscr.clrtobot() 
50          stdscr.refresh() 
51   
52          try: 
53              view = AdminTextView(model, stdscr) 
54              reactor.addReader(view) 
55              view.show() 
56          except Exception: 
57              # Set everything back to normal 
58              stdscr.keypad(0) 
59              curses.echo() 
60              curses.nocbreak() 
61              curses.endwin() 
62              # And print the the traceback 
63              import traceback 
64              traceback.print_exc() 
65   
66      def refused(failure): 
67          failure.trap(errors.ConnectionRefusedError) 
68          #stdscr.addstr(0,0,"Connection refused") 
69          #stdscr.clrtobot() 
70          #stdscr.refresh() 
71          reactor.addSystemEventTrigger('after','shutdown', outputError, "Connection Refused") 
72          reactor.callLater(0, reactor.stop) 
73   
74      def failed(failure): 
75          failure.trap(errors.ConnectionFailedError) 
76          message = "".join(failure.value.args) 
77          #stdscr.addstr(0,0,"Connection failed: %s" % message) 
78          #stdscr.clrtobot() 
79          #stdscr.refresh() 
80          reactor.addSystemEventTrigger('after','shutdown', outputError, "Connection Failed: %s" % message) 
81          reactor.callLater(0, reactor.stop) 
82   
83   
84      d.addCallback(connected) 
85      d.addErrback(refused) 
86      d.addErrback(failed) 
87