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  • Committer: Teddy Hogeborn
  • Date: 2012-01-08 10:12:18 UTC
  • mfrom: (237.7.101 trunk)
  • Revision ID: teddy@recompile.se-20120108101218-h6yp0akairb23436
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mandos-monitor
3
3
# 
4
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# Mandos Monitor - Control and monitor the Mandos server
5
5
# 
6
 
# Copyright © 2009-2014 Teddy Hogeborn
7
 
# Copyright © 2009-2014 Björn Påhlsson
 
6
# Copyright © 2009-2012 Teddy Hogeborn
 
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# Copyright © 2009-2012 Björn Påhlsson
8
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# 
9
9
# This program is free software: you can redistribute it and/or modify
10
10
# it under the terms of the GNU General Public License as published by
17
17
#     GNU General Public License for more details.
18
18
# 
19
19
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see
21
 
# <http://www.gnu.org/licenses/>.
 
20
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
22
21
# 
23
22
# Contact the authors at <mandos@recompile.se>.
24
23
# 
25
24
 
26
25
from __future__ import (division, absolute_import, print_function,
27
26
                        unicode_literals)
28
 
try:
29
 
    from future_builtins import *
30
 
except ImportError:
31
 
    pass
32
27
 
33
28
import sys
34
29
import os
 
30
import signal
35
31
 
36
32
import datetime
37
33
 
39
35
import urwid
40
36
 
41
37
from dbus.mainloop.glib import DBusGMainLoop
42
 
try:
43
 
    import gobject
44
 
except ImportError:
45
 
    from gi.repository import GObject as gobject
 
38
import gobject
46
39
 
47
40
import dbus
48
41
 
 
42
import UserList
 
43
 
49
44
import locale
50
45
 
51
 
if sys.version_info.major == 2:
52
 
    str = unicode
53
 
 
54
46
locale.setlocale(locale.LC_ALL, '')
55
47
 
56
48
import logging
60
52
domain = 'se.recompile'
61
53
server_interface = domain + '.Mandos'
62
54
client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.9"
 
55
version = "1.5.1"
 
56
 
 
57
# Always run in monochrome mode
 
58
urwid.curses_display.curses.has_colors = lambda : False
 
59
 
 
60
# Urwid doesn't support blinking, but we want it.  Since we have no
 
61
# use for underline on its own, we make underline also always blink.
 
62
urwid.curses_display.curses.A_UNDERLINE |= (
 
63
    urwid.curses_display.curses.A_BLINK)
64
64
 
65
65
def isoformat_to_datetime(iso):
66
66
    "Parse an ISO 8601 date string to a datetime.datetime()"
83
83
    properties and calls a hook function when any of them are
84
84
    changed.
85
85
    """
86
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
86
    def __init__(self, proxy_object=None, *args, **kwargs):
87
87
        self.proxy = proxy_object # Mandos Client proxy object
88
 
        self.properties = dict() if properties is None else properties
 
88
        
 
89
        self.properties = dict()
89
90
        self.property_changed_match = (
90
 
            self.proxy.connect_to_signal("PropertiesChanged",
91
 
                                         self.properties_changed,
92
 
                                         dbus.PROPERTIES_IFACE,
 
91
            self.proxy.connect_to_signal("PropertyChanged",
 
92
                                         self.property_changed,
 
93
                                         client_interface,
93
94
                                         byte_arrays=True))
94
95
        
95
 
        if properties is None:
96
 
            self.properties.update(
97
 
                self.proxy.GetAll(client_interface,
98
 
                                  dbus_interface
99
 
                                  = dbus.PROPERTIES_IFACE))
100
 
        
101
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
96
        self.properties.update(
 
97
            self.proxy.GetAll(client_interface,
 
98
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
99
 
 
100
        #XXX This breaks good super behaviour
 
101
#        super(MandosClientPropertyCache, self).__init__(
 
102
#            *args, **kwargs)
102
103
    
103
 
    def properties_changed(self, interface, properties, invalidated):
104
 
        """This is called whenever we get a PropertiesChanged signal
105
 
        It updates the changed properties in the "properties" dict.
 
104
    def property_changed(self, property=None, value=None):
 
105
        """This is called whenever we get a PropertyChanged signal
 
106
        It updates the changed property in the "properties" dict.
106
107
        """
107
108
        # Update properties dict with new value
108
 
        self.properties.update(properties)
 
109
        self.properties[property] = value
109
110
    
110
 
    def delete(self):
 
111
    def delete(self, *args, **kwargs):
111
112
        self.property_changed_match.remove()
 
113
        super(MandosClientPropertyCache, self).__init__(
 
114
            *args, **kwargs)
112
115
 
113
116
 
114
117
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
116
119
    """
117
120
    
118
121
    def __init__(self, server_proxy_object=None, update_hook=None,
119
 
                 delete_hook=None, logger=None, **kwargs):
 
122
                 delete_hook=None, logger=None, *args, **kwargs):
120
123
        # Called on update
121
124
        self.update_hook = update_hook
122
125
        # Called on delete
127
130
        self.logger = logger
128
131
        
129
132
        self._update_timer_callback_tag = None
 
133
        self._update_timer_callback_lock = 0
 
134
        self.last_checker_failed = False
130
135
        
131
136
        # The widget shown normally
132
137
        self._text_widget = urwid.Text("")
133
138
        # The widget shown when we have focus
134
139
        self._focus_text_widget = urwid.Text("")
135
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
140
        super(MandosClientWidget, self).__init__(
 
141
            update_hook=update_hook, delete_hook=delete_hook,
 
142
            *args, **kwargs)
136
143
        self.update()
137
144
        self.opened = False
138
145
        
 
146
        last_checked_ok = isoformat_to_datetime(self.properties
 
147
                                                ["LastCheckedOK"])
 
148
        if last_checked_ok is None:
 
149
            self.last_checker_failed = True
 
150
        else:
 
151
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
152
                                         - last_checked_ok)
 
153
                                        > datetime.timedelta
 
154
                                        (milliseconds=
 
155
                                         self.properties
 
156
                                         ["Interval"]))
 
157
        
 
158
        if self.last_checker_failed:
 
159
            self.using_timer(True)
 
160
        
 
161
        if self.need_approval:
 
162
            self.using_timer(True)
 
163
        
139
164
        self.match_objects = (
140
165
            self.proxy.connect_to_signal("CheckerCompleted",
141
166
                                         self.checker_completed,
157
182
                                         self.rejected,
158
183
                                         client_interface,
159
184
                                         byte_arrays=True))
160
 
        self.logger('Created client {}'
161
 
                    .format(self.properties["Name"]), level=0)
 
185
        #self.logger('Created client %s' % (self.properties["Name"]))
162
186
    
 
187
    def property_changed(self, property=None, value=None):
 
188
        super(self, MandosClientWidget).property_changed(property,
 
189
                                                         value)
 
190
        if property == "ApprovalPending":
 
191
            using_timer(bool(value))
 
192
        
163
193
    def using_timer(self, flag):
164
194
        """Call this method with True or False when timer should be
165
195
        activated or deactivated.
166
196
        """
167
 
        if flag and self._update_timer_callback_tag is None:
 
197
        old = self._update_timer_callback_lock
 
198
        if flag:
 
199
            self._update_timer_callback_lock += 1
 
200
        else:
 
201
            self._update_timer_callback_lock -= 1
 
202
        if old == 0 and self._update_timer_callback_lock:
168
203
            # Will update the shown timer value every second
169
204
            self._update_timer_callback_tag = (gobject.timeout_add
170
205
                                               (1000,
171
206
                                                self.update_timer))
172
 
        elif not (flag or self._update_timer_callback_tag is None):
 
207
        elif old and self._update_timer_callback_lock == 0:
173
208
            gobject.source_remove(self._update_timer_callback_tag)
174
209
            self._update_timer_callback_tag = None
175
210
    
176
211
    def checker_completed(self, exitstatus, condition, command):
177
212
        if exitstatus == 0:
178
 
            self.logger('Checker for client {} (command "{}")'
179
 
                        ' succeeded'.format(self.properties["Name"],
180
 
                                            command), level=0)
 
213
            if self.last_checker_failed:
 
214
                self.last_checker_failed = False
 
215
                self.using_timer(False)
 
216
            #self.logger('Checker for client %s (command "%s")'
 
217
            #            ' was successful'
 
218
            #            % (self.properties["Name"], command))
181
219
            self.update()
182
220
            return
183
221
        # Checker failed
 
222
        if not self.last_checker_failed:
 
223
            self.last_checker_failed = True
 
224
            self.using_timer(True)
184
225
        if os.WIFEXITED(condition):
185
 
            self.logger('Checker for client {} (command "{}") failed'
186
 
                        ' with exit code {}'
187
 
                        .format(self.properties["Name"], command,
188
 
                                os.WEXITSTATUS(condition)))
 
226
            self.logger('Checker for client %s (command "%s")'
 
227
                        ' failed with exit code %s'
 
228
                        % (self.properties["Name"], command,
 
229
                           os.WEXITSTATUS(condition)))
189
230
        elif os.WIFSIGNALED(condition):
190
 
            self.logger('Checker for client {} (command "{}") was'
191
 
                        ' killed by signal {}'
192
 
                        .format(self.properties["Name"], command,
193
 
                                os.WTERMSIG(condition)))
 
231
            self.logger('Checker for client %s (command "%s")'
 
232
                        ' was killed by signal %s'
 
233
                        % (self.properties["Name"], command,
 
234
                           os.WTERMSIG(condition)))
194
235
        elif os.WCOREDUMP(condition):
195
 
            self.logger('Checker for client {} (command "{}") dumped'
196
 
                        ' core'.format(self.properties["Name"],
197
 
                                       command))
 
236
            self.logger('Checker for client %s (command "%s")'
 
237
                        ' dumped core'
 
238
                        % (self.properties["Name"], command))
198
239
        else:
199
 
            self.logger('Checker for client {} completed'
200
 
                        ' mysteriously'
201
 
                        .format(self.properties["Name"]))
 
240
            self.logger('Checker for client %s completed'
 
241
                        ' mysteriously')
202
242
        self.update()
203
243
    
204
244
    def checker_started(self, command):
205
 
        """Server signals that a checker started."""
206
 
        self.logger('Client {} started checker "{}"'
207
 
                    .format(self.properties["Name"],
208
 
                            command), level=0)
 
245
        """Server signals that a checker started. This could be useful
 
246
           to log in the future. """
 
247
        #self.logger('Client %s started checker "%s"'
 
248
        #            % (self.properties["Name"], unicode(command)))
 
249
        pass
209
250
    
210
251
    def got_secret(self):
211
 
        self.logger('Client {} received its secret'
212
 
                    .format(self.properties["Name"]))
 
252
        self.last_checker_failed = False
 
253
        self.logger('Client %s received its secret'
 
254
                    % self.properties["Name"])
213
255
    
214
256
    def need_approval(self, timeout, default):
215
257
        if not default:
216
 
            message = 'Client {} needs approval within {} seconds'
 
258
            message = 'Client %s needs approval within %s seconds'
217
259
        else:
218
 
            message = 'Client {} will get its secret in {} seconds'
219
 
        self.logger(message.format(self.properties["Name"],
220
 
                                   timeout/1000))
 
260
            message = 'Client %s will get its secret in %s seconds'
 
261
        self.logger(message
 
262
                    % (self.properties["Name"], timeout/1000))
 
263
        self.using_timer(True)
221
264
    
222
265
    def rejected(self, reason):
223
 
        self.logger('Client {} was rejected; reason: {}'
224
 
                    .format(self.properties["Name"], reason))
 
266
        self.logger('Client %s was rejected; reason: %s'
 
267
                    % (self.properties["Name"], reason))
225
268
    
226
269
    def selectable(self):
227
270
        """Make this a "selectable" widget.
249
292
                          "bold-underline-blink":
250
293
                              "bold-underline-blink-standout",
251
294
                          }
252
 
        
 
295
 
253
296
        # Rebuild focus and non-focus widgets using current properties
254
 
        
 
297
 
255
298
        # Base part of a client. Name!
256
 
        base = '{name}: '.format(name=self.properties["Name"])
 
299
        base = ('%(name)s: '
 
300
                      % {"name": self.properties["Name"]})
257
301
        if not self.properties["Enabled"]:
258
302
            message = "DISABLED"
259
 
            self.using_timer(False)
260
303
        elif self.properties["ApprovalPending"]:
261
304
            timeout = datetime.timedelta(milliseconds
262
305
                                         = self.properties
264
307
            last_approval_request = isoformat_to_datetime(
265
308
                self.properties["LastApprovalRequest"])
266
309
            if last_approval_request is not None:
267
 
                timer = max(timeout - (datetime.datetime.utcnow()
268
 
                                       - last_approval_request),
269
 
                            datetime.timedelta())
 
310
                timer = timeout - (datetime.datetime.utcnow()
 
311
                                   - last_approval_request)
270
312
            else:
271
313
                timer = datetime.timedelta()
272
314
            if self.properties["ApprovedByDefault"]:
273
 
                message = "Approval in {}. (d)eny?"
 
315
                message = "Approval in %s. (d)eny?"
274
316
            else:
275
 
                message = "Denial in {}. (a)pprove?"
276
 
            message = message.format(str(timer).rsplit(".", 1)[0])
277
 
            self.using_timer(True)
278
 
        elif self.properties["LastCheckerStatus"] != 0:
279
 
            # When checker has failed, show timer until client expires
 
317
                message = "Denial in %s. (a)pprove?"
 
318
            message = message % unicode(timer).rsplit(".", 1)[0]
 
319
        elif self.last_checker_failed:
 
320
            # When checker has failed, print a timer until client expires
280
321
            expires = self.properties["Expires"]
281
322
            if expires == "":
282
323
                timer = datetime.timedelta(0)
283
324
            else:
284
 
                expires = (datetime.datetime.strptime
285
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
286
 
                timer = max(expires - datetime.datetime.utcnow(),
287
 
                            datetime.timedelta())
 
325
                expires = datetime.datetime.strptime(expires,
 
326
                                                     '%Y-%m-%dT%H:%M:%S.%f')
 
327
                timer = expires - datetime.datetime.utcnow()
288
328
            message = ('A checker has failed! Time until client'
289
 
                       ' gets disabled: {}'
290
 
                       .format(str(timer).rsplit(".", 1)[0]))
291
 
            self.using_timer(True)
 
329
                       ' gets disabled: %s'
 
330
                           % unicode(timer).rsplit(".", 1)[0])
292
331
        else:
293
332
            message = "enabled"
294
 
            self.using_timer(False)
295
 
        self._text = "{}{}".format(base, message)
296
 
        
 
333
        self._text = "%s%s" % (base, message)
 
334
            
297
335
        if not urwid.supports_unicode():
298
336
            self._text = self._text.encode("ascii", "replace")
299
337
        textlist = [("normal", self._text)]
316
354
        self.update()
317
355
        return True             # Keep calling this
318
356
    
319
 
    def delete(self, **kwargs):
 
357
    def delete(self, *args, **kwargs):
320
358
        if self._update_timer_callback_tag is not None:
321
359
            gobject.source_remove(self._update_timer_callback_tag)
322
360
            self._update_timer_callback_tag = None
325
363
        self.match_objects = ()
326
364
        if self.delete_hook is not None:
327
365
            self.delete_hook(self)
328
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
366
        return super(MandosClientWidget, self).delete(*args, **kwargs)
329
367
    
330
368
    def render(self, maxcolrow, focus=False):
331
369
        """Render differently if we have focus.
373
411
        else:
374
412
            return key
375
413
    
376
 
    def properties_changed(self, interface, properties, invalidated):
377
 
        """Call self.update() if any properties changed.
 
414
    def property_changed(self, property=None, value=None,
 
415
                         *args, **kwargs):
 
416
        """Call self.update() if old value is not new value.
378
417
        This overrides the method from MandosClientPropertyCache"""
379
 
        old_values = { key: self.properties.get(key)
380
 
                       for key in properties.keys() }
381
 
        super(MandosClientWidget, self).properties_changed(
382
 
            interface, properties, invalidated)
383
 
        if any(old_values[key] != self.properties.get(key)
384
 
               for key in old_values):
 
418
        property_name = unicode(property)
 
419
        old_value = self.properties.get(property_name)
 
420
        super(MandosClientWidget, self).property_changed(
 
421
            property=property, value=value, *args, **kwargs)
 
422
        if self.properties.get(property_name) != old_value:
385
423
            self.update()
386
424
 
387
425
 
390
428
    "down" key presses, thus not allowing any containing widgets to
391
429
    use them as an excuse to shift focus away from this widget.
392
430
    """
393
 
    def keypress(self, *args, **kwargs):
394
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
431
    def keypress(self, maxcolrow, key):
 
432
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
395
433
        if ret in ("up", "down"):
396
434
            return
397
435
        return ret
401
439
    """This is the entire user interface - the whole screen
402
440
    with boxes, lists of client widgets, etc.
403
441
    """
404
 
    def __init__(self, max_log_length=1000, log_level=1):
 
442
    def __init__(self, max_log_length=1000):
405
443
        DBusGMainLoop(set_as_default=True)
406
444
        
407
445
        self.screen = urwid.curses_display.Screen()
410
448
                ("normal",
411
449
                 "default", "default", None),
412
450
                ("bold",
413
 
                 "bold", "default", "bold"),
 
451
                 "default", "default", "bold"),
414
452
                ("underline-blink",
415
 
                 "underline,blink", "default", "underline,blink"),
 
453
                 "default", "default", "underline"),
416
454
                ("standout",
417
 
                 "standout", "default", "standout"),
 
455
                 "default", "default", "standout"),
418
456
                ("bold-underline-blink",
419
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
457
                 "default", "default", ("bold", "underline")),
420
458
                ("bold-standout",
421
 
                 "bold,standout", "default", "bold,standout"),
 
459
                 "default", "default", ("bold", "standout")),
422
460
                ("underline-blink-standout",
423
 
                 "underline,blink,standout", "default",
424
 
                 "underline,blink,standout"),
 
461
                 "default", "default", ("underline", "standout")),
425
462
                ("bold-underline-blink-standout",
426
 
                 "bold,underline,blink,standout", "default",
427
 
                 "bold,underline,blink,standout"),
 
463
                 "default", "default", ("bold", "underline",
 
464
                                          "standout")),
428
465
                ))
429
466
        
430
467
        if urwid.supports_unicode():
445
482
        self.log = []
446
483
        self.max_log_length = max_log_length
447
484
        
448
 
        self.log_level = log_level
449
 
        
450
485
        # We keep a reference to the log widget so we can remove it
451
486
        # from the ListWalker without it getting destroyed
452
487
        self.logbox = ConstrainedListBox(self.log)
466
501
        self.main_loop = gobject.MainLoop()
467
502
    
468
503
    def client_not_found(self, fingerprint, address):
469
 
        self.log_message("Client with address {} and fingerprint {}"
470
 
                         " could not be found"
471
 
                         .format(address, fingerprint))
 
504
        self.log_message(("Client with address %s and fingerprint %s"
 
505
                          " could not be found" % (address,
 
506
                                                    fingerprint)))
472
507
    
473
508
    def rebuild(self):
474
509
        """This rebuilds the User Interface.
486
521
            self.uilist.append(self.logbox)
487
522
        self.topwidget = urwid.Pile(self.uilist)
488
523
    
489
 
    def log_message(self, message, level=1):
490
 
        """Log message formatted with timestamp"""
491
 
        if level < self.log_level:
492
 
            return
 
524
    def log_message(self, message):
493
525
        timestamp = datetime.datetime.now().isoformat()
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
495
 
                             level=level)
 
526
        self.log_message_raw(timestamp + ": " + message)
496
527
    
497
 
    def log_message_raw(self, markup, level=1):
 
528
    def log_message_raw(self, markup):
498
529
        """Add a log message to the log buffer."""
499
 
        if level < self.log_level:
500
 
            return
501
530
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
531
        if (self.max_log_length
503
532
            and len(self.log) > self.max_log_length):
510
539
        """Toggle visibility of the log buffer."""
511
540
        self.log_visible = not self.log_visible
512
541
        self.rebuild()
513
 
        self.log_message("Log visibility changed to: {}"
514
 
                         .format(self.log_visible), level=0)
 
542
        #self.log_message("Log visibility changed to: "
 
543
        #                 + unicode(self.log_visible))
515
544
    
516
545
    def change_log_display(self):
517
546
        """Change type of log display.
522
551
            self.log_wrap = "clip"
523
552
        for textwidget in self.log:
524
553
            textwidget.set_wrap_mode(self.log_wrap)
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
526
 
                         level=0)
 
554
        #self.log_message("Wrap mode: " + self.log_wrap)
527
555
    
528
556
    def find_and_remove_client(self, path, name):
529
557
        """Find a client by its object path and remove it.
534
562
            client = self.clients_dict[path]
535
563
        except KeyError:
536
564
            # not found?
537
 
            self.log_message("Unknown client {!r} ({!r}) removed"
538
 
                             .format(name, path))
 
565
            self.log_message("Unknown client %r (%r) removed", name,
 
566
                             path)
539
567
            return
540
568
        client.delete()
541
569
    
558
586
        if path is None:
559
587
            path = client.proxy.object_path
560
588
        self.clients_dict[path] = client
561
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
589
        self.clients.sort(None, lambda c: c.properties["Name"])
562
590
        self.refresh()
563
591
    
564
592
    def remove_client(self, client, path=None):
566
594
        if path is None:
567
595
            path = client.proxy.object_path
568
596
        del self.clients_dict[path]
 
597
        if not self.clients_dict:
 
598
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
599
            # is completely emptied, we need to recreate it.
 
600
            self.clients = urwid.SimpleListWalker([])
 
601
            self.rebuild()
569
602
        self.refresh()
570
603
    
571
604
    def refresh(self):
584
617
        try:
585
618
            mandos_clients = (self.mandos_serv
586
619
                              .GetAllClientsWithProperties())
587
 
            if not mandos_clients:
588
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
589
620
        except dbus.exceptions.DBusException:
590
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
591
621
            mandos_clients = dbus.Dictionary()
592
622
        
593
623
        (self.mandos_serv
605
635
                            self.client_not_found,
606
636
                            dbus_interface=server_interface,
607
637
                            byte_arrays=True))
608
 
        for path, client in mandos_clients.items():
 
638
        for path, client in mandos_clients.iteritems():
609
639
            client_proxy_object = self.bus.get_object(self.busname,
610
640
                                                      path)
611
641
            self.add_client(MandosClientWidget(server_proxy_object
620
650
                                               logger
621
651
                                               =self.log_message),
622
652
                            path=path)
623
 
        
 
653
 
624
654
        self.refresh()
625
655
        self._input_callback_tag = (gobject.io_add_watch
626
656
                                    (sys.stdin.fileno(),
658
688
            elif key == "window resize":
659
689
                self.size = self.screen.get_cols_rows()
660
690
                self.refresh()
661
 
            elif key == "ctrl l":
662
 
                self.screen.clear()
 
691
            elif key == "\f":  # Ctrl-L
663
692
                self.refresh()
664
693
            elif key == "l" or key == "D":
665
694
                self.toggle_log_display()
677
706
                                            "?: Help",
678
707
                                            "l: Log window toggle",
679
708
                                            "TAB: Switch window",
680
 
                                            "w: Wrap (log lines)",
681
 
                                            "v: Toggle verbose log",
682
 
                                            ))))
 
709
                                            "w: Wrap (log)"))))
683
710
                self.log_message_raw(("bold",
684
711
                                      "  "
685
712
                                      .join(("Clients:",
698
725
                else:
699
726
                    self.topwidget.set_focus(self.logbox)
700
727
                self.refresh()
701
 
            elif key == "v":
702
 
                if self.log_level == 0:
703
 
                    self.log_level = 1
704
 
                    self.log_message("Verbose mode: Off")
705
 
                else:
706
 
                    self.log_level = 0
707
 
                    self.log_message("Verbose mode: On")
708
728
            #elif (key == "end" or key == "meta >" or key == "G"
709
729
            #      or key == ">"):
710
730
            #    pass            # xxx end-of-buffer
733
753
    ui.run()
734
754
except KeyboardInterrupt:
735
755
    ui.screen.stop()
736
 
except Exception as e:
737
 
    ui.log_message(str(e))
 
756
except Exception, e:
 
757
    ui.log_message(unicode(e))
738
758
    ui.screen.stop()
739
759
    raise