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  • Committer: Teddy Hogeborn
  • Date: 2011-04-02 06:37:18 UTC
  • Revision ID: teddy@fukt.bsnet.se-20110402063718-13ldrcuu0t33sdc4
* mandos: Tolerate restarting Avahi servers.  Also Changed to new
          "except x as y" exception syntax.
  (AvahiService.entry_group_state_changed_match): New; contains the
                                                  SignalMatch object.
  (AvahiService.remove): Really remove the group and the signal
                         connection, if any.
  (AvahiService.add): Always create a new group and signal connection.
  (AvahiService.cleanup): Changed to simply call remove().
  (AvahiService.server_state_changed): Handle and log more bad states.
  (AvahiService.activate): Set "follow_name_owner_changes=True" on the
                           Avahi Server proxy object.
  (ClientDBus.checked_ok): Do not return anything.
  (ClientDBus.CheckedOK): Do not return anything, as documented.
* mandos-monitor: Call D-Bus methods asynchronously.

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mandos-monitor
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#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
 
3
# 
 
4
# Mandos Monitor - Control and monitor the Mandos server
 
5
# 
 
6
# Copyright © 2009-2011 Teddy Hogeborn
 
7
# Copyright © 2009-2011 Björn Påhlsson
 
8
# 
 
9
# This program is free software: you can redistribute it and/or modify
 
10
# it under the terms of the GNU General Public License as published by
 
11
# the Free Software Foundation, either version 3 of the License, or
 
12
# (at your option) any later version.
 
13
#
 
14
#     This program is distributed in the hope that it will be useful,
 
15
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
 
16
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
17
#     GNU General Public License for more details.
 
18
# 
 
19
# You should have received a copy of the GNU General Public License
 
20
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
21
# 
 
22
# Contact the authors at <mandos@fukt.bsnet.se>.
 
23
# 
3
24
 
4
 
from __future__ import division, absolute_import, with_statement
 
25
from __future__ import division, absolute_import, print_function, unicode_literals
5
26
 
6
27
import sys
7
28
import os
21
42
 
22
43
import locale
23
44
 
24
 
locale.setlocale(locale.LC_ALL, u'')
 
45
locale.setlocale(locale.LC_ALL, '')
25
46
 
26
47
import logging
27
48
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
30
51
domain = 'se.bsnet.fukt'
31
52
server_interface = domain + '.Mandos'
32
53
client_interface = domain + '.Mandos.Client'
33
 
version = "1.0.15"
 
54
version = "1.3.0"
34
55
 
35
56
# Always run in monochrome mode
36
57
urwid.curses_display.curses.has_colors = lambda : False
40
61
urwid.curses_display.curses.A_UNDERLINE |= (
41
62
    urwid.curses_display.curses.A_BLINK)
42
63
 
 
64
def isoformat_to_datetime(iso):
 
65
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
66
    if not iso:
 
67
        return None
 
68
    d, t = iso.split("T", 1)
 
69
    year, month, day = d.split("-", 2)
 
70
    hour, minute, second = t.split(":", 2)
 
71
    second, fraction = divmod(float(second), 1)
 
72
    return datetime.datetime(int(year),
 
73
                             int(month),
 
74
                             int(day),
 
75
                             int(hour),
 
76
                             int(minute),
 
77
                             int(second),           # Whole seconds
 
78
                             int(fraction*1000000)) # Microseconds
 
79
 
43
80
class MandosClientPropertyCache(object):
44
81
    """This wraps a Mandos Client D-Bus proxy object, caches the
45
82
    properties and calls a hook function when any of them are
49
86
        self.proxy = proxy_object # Mandos Client proxy object
50
87
        
51
88
        self.properties = dict()
52
 
        self.proxy.connect_to_signal(u"PropertyChanged",
 
89
        self.proxy.connect_to_signal("PropertyChanged",
53
90
                                     self.property_changed,
54
91
                                     client_interface,
55
92
                                     byte_arrays=True)
85
122
        # Logger
86
123
        self.logger = logger
87
124
        
 
125
        self._update_timer_callback_tag = None
 
126
        self._update_timer_callback_lock = 0
 
127
        self.last_checker_failed = False
 
128
        
88
129
        # The widget shown normally
89
 
        self._text_widget = urwid.Text(u"")
 
130
        self._text_widget = urwid.Text("")
90
131
        # The widget shown when we have focus
91
 
        self._focus_text_widget = urwid.Text(u"")
 
132
        self._focus_text_widget = urwid.Text("")
92
133
        super(MandosClientWidget, self).__init__(
93
134
            update_hook=update_hook, delete_hook=delete_hook,
94
135
            *args, **kwargs)
95
136
        self.update()
96
137
        self.opened = False
97
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
138
        
 
139
        last_checked_ok = isoformat_to_datetime(self.properties
 
140
                                                ["LastCheckedOK"])
 
141
        if last_checked_ok is None:
 
142
            self.last_checker_failed = True
 
143
        else:
 
144
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
145
                                         - last_checked_ok)
 
146
                                        > datetime.timedelta
 
147
                                        (milliseconds=
 
148
                                         self.properties
 
149
                                         ["Interval"]))
 
150
        
 
151
        if self.last_checker_failed:
 
152
            self.using_timer(True)
 
153
        
 
154
        if self.need_approval:
 
155
            self.using_timer(True)
 
156
        
 
157
        self.proxy.connect_to_signal("CheckerCompleted",
98
158
                                     self.checker_completed,
99
159
                                     client_interface,
100
160
                                     byte_arrays=True)
101
 
        self.proxy.connect_to_signal(u"CheckerStarted",
 
161
        self.proxy.connect_to_signal("CheckerStarted",
102
162
                                     self.checker_started,
103
163
                                     client_interface,
104
164
                                     byte_arrays=True)
105
 
        self.proxy.connect_to_signal(u"GotSecret",
 
165
        self.proxy.connect_to_signal("GotSecret",
106
166
                                     self.got_secret,
107
167
                                     client_interface,
108
168
                                     byte_arrays=True)
109
 
        self.proxy.connect_to_signal(u"NeedApproval",
 
169
        self.proxy.connect_to_signal("NeedApproval",
110
170
                                     self.need_approval,
111
171
                                     client_interface,
112
172
                                     byte_arrays=True)
113
 
        self.proxy.connect_to_signal(u"Rejected",
 
173
        self.proxy.connect_to_signal("Rejected",
114
174
                                     self.rejected,
115
175
                                     client_interface,
116
176
                                     byte_arrays=True)
117
177
    
 
178
    def property_changed(self, property=None, value=None):
 
179
        super(self, MandosClientWidget).property_changed(property,
 
180
                                                         value)
 
181
        if property == "ApprovalPending":
 
182
            using_timer(bool(value))
 
183
        
 
184
    def using_timer(self, flag):
 
185
        """Call this method with True or False when timer should be
 
186
        activated or deactivated.
 
187
        """
 
188
        old = self._update_timer_callback_lock
 
189
        if flag:
 
190
            self._update_timer_callback_lock += 1
 
191
        else:
 
192
            self._update_timer_callback_lock -= 1
 
193
        if old == 0 and self._update_timer_callback_lock:
 
194
            self._update_timer_callback_tag = (gobject.timeout_add
 
195
                                               (1000,
 
196
                                                self.update_timer))
 
197
        elif old and self._update_timer_callback_lock == 0:
 
198
            gobject.source_remove(self._update_timer_callback_tag)
 
199
            self._update_timer_callback_tag = None
 
200
    
118
201
    def checker_completed(self, exitstatus, condition, command):
119
202
        if exitstatus == 0:
120
 
            #self.logger(u'Checker for client %s (command "%s")'
121
 
            #            u' was successful'
122
 
            #            % (self.properties[u"name"], command))
 
203
            if self.last_checker_failed:
 
204
                self.last_checker_failed = False
 
205
                self.using_timer(False)
 
206
            #self.logger('Checker for client %s (command "%s")'
 
207
            #            ' was successful'
 
208
            #            % (self.properties["Name"], command))
 
209
            self.update()
123
210
            return
 
211
        # Checker failed
 
212
        if not self.last_checker_failed:
 
213
            self.last_checker_failed = True
 
214
            self.using_timer(True)
124
215
        if os.WIFEXITED(condition):
125
 
            self.logger(u'Checker for client %s (command "%s")'
126
 
                        u' failed with exit code %s'
127
 
                        % (self.properties[u"name"], command,
 
216
            self.logger('Checker for client %s (command "%s")'
 
217
                        ' failed with exit code %s'
 
218
                        % (self.properties["Name"], command,
128
219
                           os.WEXITSTATUS(condition)))
129
 
            return
130
 
        if os.WIFSIGNALED(condition):
131
 
            self.logger(u'Checker for client %s (command "%s")'
132
 
                        u' was killed by signal %s'
133
 
                        % (self.properties[u"name"], command,
 
220
        elif os.WIFSIGNALED(condition):
 
221
            self.logger('Checker for client %s (command "%s")'
 
222
                        ' was killed by signal %s'
 
223
                        % (self.properties["Name"], command,
134
224
                           os.WTERMSIG(condition)))
135
 
            return
136
 
        if os.WCOREDUMP(condition):
137
 
            self.logger(u'Checker for client %s (command "%s")'
138
 
                        u' dumped core'
139
 
                        % (self.properties[u"name"], command))
140
 
        self.logger(u'Checker for client %s completed mysteriously')
 
225
        elif os.WCOREDUMP(condition):
 
226
            self.logger('Checker for client %s (command "%s")'
 
227
                        ' dumped core'
 
228
                        % (self.properties["Name"], command))
 
229
        else:
 
230
            self.logger('Checker for client %s completed'
 
231
                        ' mysteriously')
 
232
        self.update()
141
233
    
142
234
    def checker_started(self, command):
143
 
        #self.logger(u'Client %s started checker "%s"'
144
 
        #            % (self.properties[u"name"], unicode(command)))
 
235
        #self.logger('Client %s started checker "%s"'
 
236
        #            % (self.properties["Name"], unicode(command)))
145
237
        pass
146
238
    
147
239
    def got_secret(self):
148
 
        self.logger(u'Client %s received its secret'
149
 
                    % self.properties[u"name"])
 
240
        self.last_checker_failed = False
 
241
        self.logger('Client %s received its secret'
 
242
                    % self.properties["Name"])
150
243
    
151
244
    def need_approval(self, timeout, default):
152
245
        if not default:
153
 
            message = u'Client %s needs approval within %s seconds'
 
246
            message = 'Client %s needs approval within %s seconds'
154
247
        else:
155
 
            message = u'Client %s will get its secret in %s seconds'
 
248
            message = 'Client %s will get its secret in %s seconds'
156
249
        self.logger(message
157
 
                    % (self.properties[u"name"], timeout/1000))
 
250
                    % (self.properties["Name"], timeout/1000))
 
251
        self.using_timer(True)
158
252
    
159
253
    def rejected(self, reason):
160
 
        self.logger(u'Client %s was rejected; reason: %s'
161
 
                    % (self.properties[u"name"], reason))
 
254
        self.logger('Client %s was rejected; reason: %s'
 
255
                    % (self.properties["Name"], reason))
162
256
    
163
257
    def selectable(self):
164
258
        """Make this a "selectable" widget.
165
259
        This overrides the method from urwid.FlowWidget."""
166
260
        return True
167
261
    
168
 
    def rows(self, (maxcol,), focus=False):
 
262
    def rows(self, maxcolrow, focus=False):
169
263
        """How many rows this widget will occupy might depend on
170
264
        whether we have focus or not.
171
265
        This overrides the method from urwid.FlowWidget"""
172
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
266
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
173
267
    
174
268
    def current_widget(self, focus=False):
175
269
        if focus or self.opened:
179
273
    def update(self):
180
274
        "Called when what is visible on the screen should be updated."
181
275
        # How to add standout mode to a style
182
 
        with_standout = { u"normal": u"standout",
183
 
                          u"bold": u"bold-standout",
184
 
                          u"underline-blink":
185
 
                              u"underline-blink-standout",
186
 
                          u"bold-underline-blink":
187
 
                              u"bold-underline-blink-standout",
 
276
        with_standout = { "normal": "standout",
 
277
                          "bold": "bold-standout",
 
278
                          "underline-blink":
 
279
                              "underline-blink-standout",
 
280
                          "bold-underline-blink":
 
281
                              "bold-underline-blink-standout",
188
282
                          }
189
283
 
190
284
        # Rebuild focus and non-focus widgets using current properties
191
285
 
192
286
        # Base part of a client. Name!
193
 
        self._text = (u'%(name)s: '
194
 
                      % {u"name": self.properties[u"name"]})
195
 
 
196
 
        if self.properties[u"approved_pending"]:
197
 
            if self.properties[u"approved_by_default"]:
198
 
                self._text += u"Connection established to client. (d)eny?"
199
 
            else:
200
 
                self._text += u"Seeks approval to send secret. (a)pprove?"
 
287
        base = ('%(name)s: '
 
288
                      % {"name": self.properties["Name"]})
 
289
        if not self.properties["Enabled"]:
 
290
            message = "DISABLED"
 
291
        elif self.properties["ApprovalPending"]:
 
292
            timeout = datetime.timedelta(milliseconds
 
293
                                         = self.properties
 
294
                                         ["ApprovalDelay"])
 
295
            last_approval_request = isoformat_to_datetime(
 
296
                self.properties["LastApprovalRequest"])
 
297
            if last_approval_request is not None:
 
298
                timer = timeout - (datetime.datetime.utcnow()
 
299
                                   - last_approval_request)
 
300
            else:
 
301
                timer = datetime.timedelta()
 
302
            if self.properties["ApprovedByDefault"]:
 
303
                message = "Approval in %s. (d)eny?"
 
304
            else:
 
305
                message = "Denial in %s. (a)pprove?"
 
306
            message = message % unicode(timer).rsplit(".", 1)[0]
 
307
        elif self.last_checker_failed:
 
308
            timeout = datetime.timedelta(milliseconds
 
309
                                         = self.properties
 
310
                                         ["Timeout"])
 
311
            last_ok = isoformat_to_datetime(
 
312
                max((self.properties["LastCheckedOK"]
 
313
                     or self.properties["Created"]),
 
314
                    self.properties["LastEnabled"]))
 
315
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
316
            message = ('A checker has failed! Time until client'
 
317
                       ' gets disabled: %s'
 
318
                           % unicode(timer).rsplit(".", 1)[0])
201
319
        else:
202
 
            self._text += (u'%(enabled)s'
203
 
                           % {u"enabled":
204
 
                               (u"enabled"
205
 
                                if self.properties[u"enabled"]
206
 
                                else u"DISABLED")})
 
320
            message = "enabled"
 
321
        self._text = "%s%s" % (base, message)
 
322
            
207
323
        if not urwid.supports_unicode():
208
324
            self._text = self._text.encode("ascii", "replace")
209
 
        textlist = [(u"normal", self._text)]
 
325
        textlist = [("normal", self._text)]
210
326
        self._text_widget.set_text(textlist)
211
327
        self._focus_text_widget.set_text([(with_standout[text[0]],
212
328
                                           text[1])
220
336
        if self.update_hook is not None:
221
337
            self.update_hook()
222
338
    
 
339
    def update_timer(self):
 
340
        "called by gobject"
 
341
        self.update()
 
342
        return True             # Keep calling this
 
343
    
223
344
    def delete(self):
 
345
        if self._update_timer_callback_tag is not None:
 
346
            gobject.source_remove(self._update_timer_callback_tag)
 
347
            self._update_timer_callback_tag = None
224
348
        if self.delete_hook is not None:
225
349
            self.delete_hook(self)
226
350
    
227
 
    def render(self, (maxcol,), focus=False):
 
351
    def render(self, maxcolrow, focus=False):
228
352
        """Render differently if we have focus.
229
353
        This overrides the method from urwid.FlowWidget"""
230
 
        return self.current_widget(focus).render((maxcol,),
 
354
        return self.current_widget(focus).render(maxcolrow,
231
355
                                                 focus=focus)
232
356
    
233
 
    def keypress(self, (maxcol,), key):
 
357
    def keypress(self, maxcolrow, key):
234
358
        """Handle keys.
235
359
        This overrides the method from urwid.FlowWidget"""
236
 
        if key == u"+":
237
 
            self.proxy.Enable(dbus_interface = client_interface)
238
 
        elif key == u"-":
239
 
            self.proxy.Disable(dbus_interface = client_interface)
240
 
        elif key == u"a":
 
360
        if key == "+":
 
361
            self.proxy.Enable(dbus_interface = client_interface,
 
362
                              ignore_reply=True)
 
363
        elif key == "-":
 
364
            self.proxy.Disable(dbus_interface = client_interface,
 
365
                               ignore_reply=True)
 
366
        elif key == "a":
241
367
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
242
 
                               dbus_interface = client_interface)
243
 
        elif key == u"d":
 
368
                               dbus_interface = client_interface,
 
369
                               ignore_reply=True)
 
370
        elif key == "d":
244
371
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
245
 
                                  dbus_interface = client_interface)
246
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
372
                                  dbus_interface = client_interface,
 
373
                               ignore_reply=True)
 
374
        elif key == "R" or key == "_" or key == "ctrl k":
247
375
            self.server_proxy_object.RemoveClient(self.proxy
248
 
                                                  .object_path)
249
 
        elif key == u"s":
250
 
            self.proxy.StartChecker(dbus_interface = client_interface)
251
 
        elif key == u"S":
252
 
            self.proxy.StopChecker(dbus_interface = client_interface)
253
 
        elif key == u"C":
254
 
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
376
                                                  .object_path,
 
377
                                                  ignore_reply=True)
 
378
        elif key == "s":
 
379
            self.proxy.StartChecker(dbus_interface = client_interface,
 
380
                                    ignore_reply=True)
 
381
        elif key == "S":
 
382
            self.proxy.StopChecker(dbus_interface = client_interface,
 
383
                                   ignore_reply=True)
 
384
        elif key == "C":
 
385
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
386
                                 ignore_reply=True)
255
387
        # xxx
256
 
#         elif key == u"p" or key == "=":
 
388
#         elif key == "p" or key == "=":
257
389
#             self.proxy.pause()
258
 
#         elif key == u"u" or key == ":":
 
390
#         elif key == "u" or key == ":":
259
391
#             self.proxy.unpause()
260
 
#         elif key == u"RET":
 
392
#         elif key == "RET":
261
393
#             self.open()
262
 
#        elif key == u"+":
263
 
#            self.proxy.Approve(True)
264
 
#        elif key == u"-":
265
 
#            self.proxy.Approve(False)
266
394
        else:
267
395
            return key
268
396
    
283
411
    "down" key presses, thus not allowing any containing widgets to
284
412
    use them as an excuse to shift focus away from this widget.
285
413
    """
286
 
    def keypress(self, (maxcol, maxrow), key):
287
 
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
288
 
        if ret in (u"up", u"down"):
 
414
    def keypress(self, maxcolrow, key):
 
415
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
 
416
        if ret in ("up", "down"):
289
417
            return
290
418
        return ret
291
419
 
300
428
        self.screen = urwid.curses_display.Screen()
301
429
        
302
430
        self.screen.register_palette((
303
 
                (u"normal",
304
 
                 u"default", u"default", None),
305
 
                (u"bold",
306
 
                 u"default", u"default", u"bold"),
307
 
                (u"underline-blink",
308
 
                 u"default", u"default", u"underline"),
309
 
                (u"standout",
310
 
                 u"default", u"default", u"standout"),
311
 
                (u"bold-underline-blink",
312
 
                 u"default", u"default", (u"bold", u"underline")),
313
 
                (u"bold-standout",
314
 
                 u"default", u"default", (u"bold", u"standout")),
315
 
                (u"underline-blink-standout",
316
 
                 u"default", u"default", (u"underline", u"standout")),
317
 
                (u"bold-underline-blink-standout",
318
 
                 u"default", u"default", (u"bold", u"underline",
319
 
                                          u"standout")),
 
431
                ("normal",
 
432
                 "default", "default", None),
 
433
                ("bold",
 
434
                 "default", "default", "bold"),
 
435
                ("underline-blink",
 
436
                 "default", "default", "underline"),
 
437
                ("standout",
 
438
                 "default", "default", "standout"),
 
439
                ("bold-underline-blink",
 
440
                 "default", "default", ("bold", "underline")),
 
441
                ("bold-standout",
 
442
                 "default", "default", ("bold", "standout")),
 
443
                ("underline-blink-standout",
 
444
                 "default", "default", ("underline", "standout")),
 
445
                ("bold-underline-blink-standout",
 
446
                 "default", "default", ("bold", "underline",
 
447
                                          "standout")),
320
448
                ))
321
449
        
322
450
        if urwid.supports_unicode():
323
 
            self.divider = u"─" # \u2500
324
 
            #self.divider = u"━" # \u2501
 
451
            self.divider = "─" # \u2500
 
452
            #self.divider = "━" # \u2501
325
453
        else:
326
 
            #self.divider = u"-" # \u002d
327
 
            self.divider = u"_" # \u005f
 
454
            #self.divider = "-" # \u002d
 
455
            self.divider = "_" # \u005f
328
456
        
329
457
        self.screen.start()
330
458
        
344
472
        # This keeps track of whether self.uilist currently has
345
473
        # self.logbox in it or not
346
474
        self.log_visible = True
347
 
        self.log_wrap = u"any"
 
475
        self.log_wrap = "any"
348
476
        
349
477
        self.rebuild()
350
 
        self.log_message_raw((u"bold",
351
 
                              u"Mandos Monitor version " + version))
352
 
        self.log_message_raw((u"bold",
353
 
                              u"q: Quit  ?: Help"))
 
478
        self.log_message_raw(("bold",
 
479
                              "Mandos Monitor version " + version))
 
480
        self.log_message_raw(("bold",
 
481
                              "q: Quit  ?: Help"))
354
482
        
355
483
        self.busname = domain + '.Mandos'
356
484
        self.main_loop = gobject.MainLoop()
357
485
        self.bus = dbus.SystemBus()
358
486
        mandos_dbus_objc = self.bus.get_object(
359
 
            self.busname, u"/", follow_name_owner_changes=True)
 
487
            self.busname, "/", follow_name_owner_changes=True)
360
488
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
361
489
                                          dbus_interface
362
490
                                          = server_interface)
367
495
            mandos_clients = dbus.Dictionary()
368
496
        
369
497
        (self.mandos_serv
370
 
         .connect_to_signal(u"ClientRemoved",
 
498
         .connect_to_signal("ClientRemoved",
371
499
                            self.find_and_remove_client,
372
500
                            dbus_interface=server_interface,
373
501
                            byte_arrays=True))
374
502
        (self.mandos_serv
375
 
         .connect_to_signal(u"ClientAdded",
 
503
         .connect_to_signal("ClientAdded",
376
504
                            self.add_new_client,
377
505
                            dbus_interface=server_interface,
378
506
                            byte_arrays=True))
379
507
        (self.mandos_serv
380
 
         .connect_to_signal(u"ClientNotFound",
 
508
         .connect_to_signal("ClientNotFound",
381
509
                            self.client_not_found,
382
510
                            dbus_interface=server_interface,
383
511
                            byte_arrays=True))
398
526
                            path=path)
399
527
    
400
528
    def client_not_found(self, fingerprint, address):
401
 
        self.log_message((u"Client with address %s and fingerprint %s"
402
 
                          u" could not be found" % (address,
 
529
        self.log_message(("Client with address %s and fingerprint %s"
 
530
                          " could not be found" % (address,
403
531
                                                    fingerprint)))
404
532
    
405
533
    def rebuild(self):
407
535
        Call this when the widget layout needs to change"""
408
536
        self.uilist = []
409
537
        #self.uilist.append(urwid.ListBox(self.clients))
410
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
538
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
539
                                                          clients),
411
540
                                       #header=urwid.Divider(),
412
541
                                       header=None,
413
 
                                       footer=urwid.Divider(div_char=self.divider)))
 
542
                                       footer=
 
543
                                       urwid.Divider(div_char=
 
544
                                                     self.divider)))
414
545
        if self.log_visible:
415
546
            self.uilist.append(self.logbox)
416
547
            pass
418
549
    
419
550
    def log_message(self, message):
420
551
        timestamp = datetime.datetime.now().isoformat()
421
 
        self.log_message_raw(timestamp + u": " + message)
 
552
        self.log_message_raw(timestamp + ": " + message)
422
553
    
423
554
    def log_message_raw(self, markup):
424
555
        """Add a log message to the log buffer."""
427
558
            and len(self.log) > self.max_log_length):
428
559
            del self.log[0:len(self.log)-self.max_log_length-1]
429
560
        self.logbox.set_focus(len(self.logbox.body.contents),
430
 
                              coming_from=u"above")
 
561
                              coming_from="above")
431
562
        self.refresh()
432
563
    
433
564
    def toggle_log_display(self):
434
565
        """Toggle visibility of the log buffer."""
435
566
        self.log_visible = not self.log_visible
436
567
        self.rebuild()
437
 
        self.log_message(u"Log visibility changed to: "
438
 
                         + unicode(self.log_visible))
 
568
        #self.log_message("Log visibility changed to: "
 
569
        #                 + unicode(self.log_visible))
439
570
    
440
571
    def change_log_display(self):
441
572
        """Change type of log display.
442
573
        Currently, this toggles wrapping of text lines."""
443
 
        if self.log_wrap == u"clip":
444
 
            self.log_wrap = u"any"
 
574
        if self.log_wrap == "clip":
 
575
            self.log_wrap = "any"
445
576
        else:
446
 
            self.log_wrap = u"clip"
 
577
            self.log_wrap = "clip"
447
578
        for textwidget in self.log:
448
579
            textwidget.set_wrap_mode(self.log_wrap)
449
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
580
        #self.log_message("Wrap mode: " + self.log_wrap)
450
581
    
451
582
    def find_and_remove_client(self, path, name):
452
583
        """Find an client from its object path and remove it.
479
610
        if path is None:
480
611
            path = client.proxy.object_path
481
612
        self.clients_dict[path] = client
482
 
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
613
        self.clients.sort(None, lambda c: c.properties["Name"])
483
614
        self.refresh()
484
615
    
485
616
    def remove_client(self, client, path=None):
516
647
    
517
648
    def process_input(self, source, condition):
518
649
        keys = self.screen.get_input()
519
 
        translations = { u"ctrl n": u"down",      # Emacs
520
 
                         u"ctrl p": u"up",        # Emacs
521
 
                         u"ctrl v": u"page down", # Emacs
522
 
                         u"meta v": u"page up",   # Emacs
523
 
                         u" ": u"page down",      # less
524
 
                         u"f": u"page down",      # less
525
 
                         u"b": u"page up",        # less
526
 
                         u"j": u"down",           # vi
527
 
                         u"k": u"up",             # vi
 
650
        translations = { "ctrl n": "down",      # Emacs
 
651
                         "ctrl p": "up",        # Emacs
 
652
                         "ctrl v": "page down", # Emacs
 
653
                         "meta v": "page up",   # Emacs
 
654
                         " ": "page down",      # less
 
655
                         "f": "page down",      # less
 
656
                         "b": "page up",        # less
 
657
                         "j": "down",           # vi
 
658
                         "k": "up",             # vi
528
659
                         }
529
660
        for key in keys:
530
661
            try:
532
663
            except KeyError:    # :-)
533
664
                pass
534
665
            
535
 
            if key == u"q" or key == u"Q":
 
666
            if key == "q" or key == "Q":
536
667
                self.stop()
537
668
                break
538
 
            elif key == u"window resize":
 
669
            elif key == "window resize":
539
670
                self.size = self.screen.get_cols_rows()
540
671
                self.refresh()
541
 
            elif key == u"\f":  # Ctrl-L
 
672
            elif key == "\f":  # Ctrl-L
542
673
                self.refresh()
543
 
            elif key == u"l" or key == u"D":
 
674
            elif key == "l" or key == "D":
544
675
                self.toggle_log_display()
545
676
                self.refresh()
546
 
            elif key == u"w" or key == u"i":
 
677
            elif key == "w" or key == "i":
547
678
                self.change_log_display()
548
679
                self.refresh()
549
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
680
            elif key == "?" or key == "f1" or key == "esc":
550
681
                if not self.log_visible:
551
682
                    self.log_visible = True
552
683
                    self.rebuild()
553
 
                self.log_message_raw((u"bold",
554
 
                                      u"  ".
555
 
                                      join((u"q: Quit",
556
 
                                            u"?: Help",
557
 
                                            u"l: Log window toggle",
558
 
                                            u"TAB: Switch window",
559
 
                                            u"w: Wrap (log)"))))
560
 
                self.log_message_raw((u"bold",
561
 
                                      u"  "
562
 
                                      .join((u"Clients:",
563
 
                                             u"+: Enable",
564
 
                                             u"-: Disable",
565
 
                                             u"r: Remove",
566
 
                                             u"s: Start new checker",
567
 
                                             u"S: Stop checker",
568
 
                                             u"C: Checker OK",
569
 
                                             u"a: Approve",
570
 
                                             u"d: Deny"))))
 
684
                self.log_message_raw(("bold",
 
685
                                      "  ".
 
686
                                      join(("q: Quit",
 
687
                                            "?: Help",
 
688
                                            "l: Log window toggle",
 
689
                                            "TAB: Switch window",
 
690
                                            "w: Wrap (log)"))))
 
691
                self.log_message_raw(("bold",
 
692
                                      "  "
 
693
                                      .join(("Clients:",
 
694
                                             "+: Enable",
 
695
                                             "-: Disable",
 
696
                                             "R: Remove",
 
697
                                             "s: Start new checker",
 
698
                                             "S: Stop checker",
 
699
                                             "C: Checker OK",
 
700
                                             "a: Approve",
 
701
                                             "d: Deny"))))
571
702
                self.refresh()
572
 
            elif key == u"tab":
 
703
            elif key == "tab":
573
704
                if self.topwidget.get_focus() is self.logbox:
574
705
                    self.topwidget.set_focus(0)
575
706
                else:
576
707
                    self.topwidget.set_focus(self.logbox)
577
708
                self.refresh()
578
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
579
 
            #      or key == u">"):
 
709
            #elif (key == "end" or key == "meta >" or key == "G"
 
710
            #      or key == ">"):
580
711
            #    pass            # xxx end-of-buffer
581
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
582
 
            #      or key == u"<"):
 
712
            #elif (key == "home" or key == "meta <" or key == "g"
 
713
            #      or key == "<"):
583
714
            #    pass            # xxx beginning-of-buffer
584
 
            #elif key == u"ctrl e" or key == u"$":
 
715
            #elif key == "ctrl e" or key == "$":
585
716
            #    pass            # xxx move-end-of-line
586
 
            #elif key == u"ctrl a" or key == u"^":
 
717
            #elif key == "ctrl a" or key == "^":
587
718
            #    pass            # xxx move-beginning-of-line
588
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
719
            #elif key == "ctrl b" or key == "meta (" or key == "h":
589
720
            #    pass            # xxx left
590
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
721
            #elif key == "ctrl f" or key == "meta )" or key == "l":
591
722
            #    pass            # xxx right
592
 
            #elif key == u"a":
 
723
            #elif key == "a":
593
724
            #    pass            # scroll up log
594
 
            #elif key == u"z":
 
725
            #elif key == "z":
595
726
            #    pass            # scroll down log
596
727
            elif self.topwidget.selectable():
597
728
                self.topwidget.keypress(self.size, key)
601
732
ui = UserInterface()
602
733
try:
603
734
    ui.run()
 
735
except KeyboardInterrupt:
 
736
    ui.screen.stop()
604
737
except Exception, e:
605
738
    ui.log_message(unicode(e))
606
739
    ui.screen.stop()