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* DBUS-API (se.recompile.Mandos.Client.LastCheckerStatus): New
                                                           property.
* mandos (Client.last_checker_status): Use -2 instead of None to match
                                       D-Bus property.  All users
                                       changed.
  (Client.checked_ok): Remove "timeout" argument and call
                       "self.bump_timeout()" instead.
  (Client.bump_timeout): New; separated out from "checked_ok".
  (ClientDBus.last_checker_status): Hook to a D-Bus property.
  (ClientDBus.LastCheckerStatus_dbus_property): New D-Bus property.
  (ClientHandler.handle): Call client.bump_timeout() instead of
                          client.checked_ok().

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Lines of Context:
mandos-monitor
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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
 
7
# 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 = "1.6.7"
 
55
version = "1.5.2"
 
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
91
            self.proxy.connect_to_signal("PropertyChanged",
91
 
                                         self._property_changed,
 
92
                                         self.property_changed,
92
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)
102
 
    
103
 
    def _property_changed(self, property, value):
104
 
        """Helper which takes positional arguments"""
105
 
        return self.property_changed(property=property, value=value)
 
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)
106
103
    
107
104
    def property_changed(self, property=None, value=None):
108
105
        """This is called whenever we get a PropertyChanged signal
111
108
        # Update properties dict with new value
112
109
        self.properties[property] = value
113
110
    
114
 
    def delete(self):
 
111
    def delete(self, *args, **kwargs):
115
112
        self.property_changed_match.remove()
 
113
        super(MandosClientPropertyCache, self).__init__(
 
114
            *args, **kwargs)
116
115
 
117
116
 
118
117
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
120
119
    """
121
120
    
122
121
    def __init__(self, server_proxy_object=None, update_hook=None,
123
 
                 delete_hook=None, logger=None, **kwargs):
 
122
                 delete_hook=None, logger=None, *args, **kwargs):
124
123
        # Called on update
125
124
        self.update_hook = update_hook
126
125
        # Called on delete
131
130
        self.logger = logger
132
131
        
133
132
        self._update_timer_callback_tag = None
 
133
        self._update_timer_callback_lock = 0
 
134
        self.last_checker_failed = False
134
135
        
135
136
        # The widget shown normally
136
137
        self._text_widget = urwid.Text("")
137
138
        # The widget shown when we have focus
138
139
        self._focus_text_widget = urwid.Text("")
139
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
140
        super(MandosClientWidget, self).__init__(
 
141
            update_hook=update_hook, delete_hook=delete_hook,
 
142
            *args, **kwargs)
140
143
        self.update()
141
144
        self.opened = False
142
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
        
143
164
        self.match_objects = (
144
165
            self.proxy.connect_to_signal("CheckerCompleted",
145
166
                                         self.checker_completed,
161
182
                                         self.rejected,
162
183
                                         client_interface,
163
184
                                         byte_arrays=True))
164
 
        self.logger('Created client {}'
165
 
                    .format(self.properties["Name"]), level=0)
 
185
        #self.logger('Created client %s' % (self.properties["Name"]))
166
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
        
167
193
    def using_timer(self, flag):
168
194
        """Call this method with True or False when timer should be
169
195
        activated or deactivated.
170
196
        """
171
 
        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:
172
203
            # Will update the shown timer value every second
173
204
            self._update_timer_callback_tag = (gobject.timeout_add
174
205
                                               (1000,
175
206
                                                self.update_timer))
176
 
        elif not (flag or self._update_timer_callback_tag is None):
 
207
        elif old and self._update_timer_callback_lock == 0:
177
208
            gobject.source_remove(self._update_timer_callback_tag)
178
209
            self._update_timer_callback_tag = None
179
210
    
180
211
    def checker_completed(self, exitstatus, condition, command):
181
212
        if exitstatus == 0:
182
 
            self.logger('Checker for client {} (command "{}")'
183
 
                        ' succeeded'.format(self.properties["Name"],
184
 
                                            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))
185
219
            self.update()
186
220
            return
187
221
        # Checker failed
 
222
        if not self.last_checker_failed:
 
223
            self.last_checker_failed = True
 
224
            self.using_timer(True)
188
225
        if os.WIFEXITED(condition):
189
 
            self.logger('Checker for client {} (command "{}") failed'
190
 
                        ' with exit code {}'
191
 
                        .format(self.properties["Name"], command,
192
 
                                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)))
193
230
        elif os.WIFSIGNALED(condition):
194
 
            self.logger('Checker for client {} (command "{}") was'
195
 
                        ' killed by signal {}'
196
 
                        .format(self.properties["Name"], command,
197
 
                                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)))
198
235
        elif os.WCOREDUMP(condition):
199
 
            self.logger('Checker for client {} (command "{}") dumped'
200
 
                        ' core'.format(self.properties["Name"],
201
 
                                       command))
 
236
            self.logger('Checker for client %s (command "%s")'
 
237
                        ' dumped core'
 
238
                        % (self.properties["Name"], command))
202
239
        else:
203
 
            self.logger('Checker for client {} completed'
204
 
                        ' mysteriously'
205
 
                        .format(self.properties["Name"]))
 
240
            self.logger('Checker for client %s completed'
 
241
                        ' mysteriously')
206
242
        self.update()
207
243
    
208
244
    def checker_started(self, command):
209
 
        """Server signals that a checker started."""
210
 
        self.logger('Client {} started checker "{}"'
211
 
                    .format(self.properties["Name"],
212
 
                            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
213
250
    
214
251
    def got_secret(self):
215
 
        self.logger('Client {} received its secret'
216
 
                    .format(self.properties["Name"]))
 
252
        self.last_checker_failed = False
 
253
        self.logger('Client %s received its secret'
 
254
                    % self.properties["Name"])
217
255
    
218
256
    def need_approval(self, timeout, default):
219
257
        if not default:
220
 
            message = 'Client {} needs approval within {} seconds'
 
258
            message = 'Client %s needs approval within %s seconds'
221
259
        else:
222
 
            message = 'Client {} will get its secret in {} seconds'
223
 
        self.logger(message.format(self.properties["Name"],
224
 
                                   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)
225
264
    
226
265
    def rejected(self, reason):
227
 
        self.logger('Client {} was rejected; reason: {}'
228
 
                    .format(self.properties["Name"], reason))
 
266
        self.logger('Client %s was rejected; reason: %s'
 
267
                    % (self.properties["Name"], reason))
229
268
    
230
269
    def selectable(self):
231
270
        """Make this a "selectable" widget.
253
292
                          "bold-underline-blink":
254
293
                              "bold-underline-blink-standout",
255
294
                          }
256
 
        
 
295
 
257
296
        # Rebuild focus and non-focus widgets using current properties
258
 
        
 
297
 
259
298
        # Base part of a client. Name!
260
 
        base = '{name}: '.format(name=self.properties["Name"])
 
299
        base = ('%(name)s: '
 
300
                      % {"name": self.properties["Name"]})
261
301
        if not self.properties["Enabled"]:
262
302
            message = "DISABLED"
263
 
            self.using_timer(False)
264
303
        elif self.properties["ApprovalPending"]:
265
304
            timeout = datetime.timedelta(milliseconds
266
305
                                         = self.properties
268
307
            last_approval_request = isoformat_to_datetime(
269
308
                self.properties["LastApprovalRequest"])
270
309
            if last_approval_request is not None:
271
 
                timer = max(timeout - (datetime.datetime.utcnow()
272
 
                                       - last_approval_request),
273
 
                            datetime.timedelta())
 
310
                timer = timeout - (datetime.datetime.utcnow()
 
311
                                   - last_approval_request)
274
312
            else:
275
313
                timer = datetime.timedelta()
276
314
            if self.properties["ApprovedByDefault"]:
277
 
                message = "Approval in {}. (d)eny?"
 
315
                message = "Approval in %s. (d)eny?"
278
316
            else:
279
 
                message = "Denial in {}. (a)pprove?"
280
 
            message = message.format(str(timer).rsplit(".", 1)[0])
281
 
            self.using_timer(True)
282
 
        elif self.properties["LastCheckerStatus"] != 0:
283
 
            # 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
284
321
            expires = self.properties["Expires"]
285
322
            if expires == "":
286
323
                timer = datetime.timedelta(0)
287
324
            else:
288
 
                expires = (datetime.datetime.strptime
289
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
290
 
                timer = max(expires - datetime.datetime.utcnow(),
291
 
                            datetime.timedelta())
 
325
                expires = datetime.datetime.strptime(expires,
 
326
                                                     '%Y-%m-%dT%H:%M:%S.%f')
 
327
                timer = expires - datetime.datetime.utcnow()
292
328
            message = ('A checker has failed! Time until client'
293
 
                       ' gets disabled: {}'
294
 
                       .format(str(timer).rsplit(".", 1)[0]))
295
 
            self.using_timer(True)
 
329
                       ' gets disabled: %s'
 
330
                           % unicode(timer).rsplit(".", 1)[0])
296
331
        else:
297
332
            message = "enabled"
298
 
            self.using_timer(False)
299
 
        self._text = "{}{}".format(base, message)
300
 
        
 
333
        self._text = "%s%s" % (base, message)
 
334
            
301
335
        if not urwid.supports_unicode():
302
336
            self._text = self._text.encode("ascii", "replace")
303
337
        textlist = [("normal", self._text)]
320
354
        self.update()
321
355
        return True             # Keep calling this
322
356
    
323
 
    def delete(self, **kwargs):
 
357
    def delete(self, *args, **kwargs):
324
358
        if self._update_timer_callback_tag is not None:
325
359
            gobject.source_remove(self._update_timer_callback_tag)
326
360
            self._update_timer_callback_tag = None
329
363
        self.match_objects = ()
330
364
        if self.delete_hook is not None:
331
365
            self.delete_hook(self)
332
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
366
        return super(MandosClientWidget, self).delete(*args, **kwargs)
333
367
    
334
368
    def render(self, maxcolrow, focus=False):
335
369
        """Render differently if we have focus.
377
411
        else:
378
412
            return key
379
413
    
380
 
    def property_changed(self, property=None, **kwargs):
 
414
    def property_changed(self, property=None, value=None,
 
415
                         *args, **kwargs):
381
416
        """Call self.update() if old value is not new value.
382
417
        This overrides the method from MandosClientPropertyCache"""
383
 
        property_name = str(property)
 
418
        property_name = unicode(property)
384
419
        old_value = self.properties.get(property_name)
385
420
        super(MandosClientWidget, self).property_changed(
386
 
            property=property, **kwargs)
 
421
            property=property, value=value, *args, **kwargs)
387
422
        if self.properties.get(property_name) != old_value:
388
423
            self.update()
389
424
 
393
428
    "down" key presses, thus not allowing any containing widgets to
394
429
    use them as an excuse to shift focus away from this widget.
395
430
    """
396
 
    def keypress(self, *args, **kwargs):
397
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
431
    def keypress(self, maxcolrow, key):
 
432
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
398
433
        if ret in ("up", "down"):
399
434
            return
400
435
        return ret
404
439
    """This is the entire user interface - the whole screen
405
440
    with boxes, lists of client widgets, etc.
406
441
    """
407
 
    def __init__(self, max_log_length=1000, log_level=1):
 
442
    def __init__(self, max_log_length=1000):
408
443
        DBusGMainLoop(set_as_default=True)
409
444
        
410
445
        self.screen = urwid.curses_display.Screen()
413
448
                ("normal",
414
449
                 "default", "default", None),
415
450
                ("bold",
416
 
                 "bold", "default", "bold"),
 
451
                 "default", "default", "bold"),
417
452
                ("underline-blink",
418
 
                 "underline,blink", "default", "underline,blink"),
 
453
                 "default", "default", "underline"),
419
454
                ("standout",
420
 
                 "standout", "default", "standout"),
 
455
                 "default", "default", "standout"),
421
456
                ("bold-underline-blink",
422
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
457
                 "default", "default", ("bold", "underline")),
423
458
                ("bold-standout",
424
 
                 "bold,standout", "default", "bold,standout"),
 
459
                 "default", "default", ("bold", "standout")),
425
460
                ("underline-blink-standout",
426
 
                 "underline,blink,standout", "default",
427
 
                 "underline,blink,standout"),
 
461
                 "default", "default", ("underline", "standout")),
428
462
                ("bold-underline-blink-standout",
429
 
                 "bold,underline,blink,standout", "default",
430
 
                 "bold,underline,blink,standout"),
 
463
                 "default", "default", ("bold", "underline",
 
464
                                          "standout")),
431
465
                ))
432
466
        
433
467
        if urwid.supports_unicode():
448
482
        self.log = []
449
483
        self.max_log_length = max_log_length
450
484
        
451
 
        self.log_level = log_level
452
 
        
453
485
        # We keep a reference to the log widget so we can remove it
454
486
        # from the ListWalker without it getting destroyed
455
487
        self.logbox = ConstrainedListBox(self.log)
469
501
        self.main_loop = gobject.MainLoop()
470
502
    
471
503
    def client_not_found(self, fingerprint, address):
472
 
        self.log_message("Client with address {} and fingerprint {}"
473
 
                         " could not be found"
474
 
                         .format(address, fingerprint))
 
504
        self.log_message(("Client with address %s and fingerprint %s"
 
505
                          " could not be found" % (address,
 
506
                                                    fingerprint)))
475
507
    
476
508
    def rebuild(self):
477
509
        """This rebuilds the User Interface.
489
521
            self.uilist.append(self.logbox)
490
522
        self.topwidget = urwid.Pile(self.uilist)
491
523
    
492
 
    def log_message(self, message, level=1):
493
 
        """Log message formatted with timestamp"""
494
 
        if level < self.log_level:
495
 
            return
 
524
    def log_message(self, message):
496
525
        timestamp = datetime.datetime.now().isoformat()
497
 
        self.log_message_raw("{}: {}".format(timestamp, message),
498
 
                             level=level)
 
526
        self.log_message_raw(timestamp + ": " + message)
499
527
    
500
 
    def log_message_raw(self, markup, level=1):
 
528
    def log_message_raw(self, markup):
501
529
        """Add a log message to the log buffer."""
502
 
        if level < self.log_level:
503
 
            return
504
530
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
505
531
        if (self.max_log_length
506
532
            and len(self.log) > self.max_log_length):
513
539
        """Toggle visibility of the log buffer."""
514
540
        self.log_visible = not self.log_visible
515
541
        self.rebuild()
516
 
        self.log_message("Log visibility changed to: {}"
517
 
                         .format(self.log_visible), level=0)
 
542
        #self.log_message("Log visibility changed to: "
 
543
        #                 + unicode(self.log_visible))
518
544
    
519
545
    def change_log_display(self):
520
546
        """Change type of log display.
525
551
            self.log_wrap = "clip"
526
552
        for textwidget in self.log:
527
553
            textwidget.set_wrap_mode(self.log_wrap)
528
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
529
 
                         level=0)
 
554
        #self.log_message("Wrap mode: " + self.log_wrap)
530
555
    
531
556
    def find_and_remove_client(self, path, name):
532
557
        """Find a client by its object path and remove it.
537
562
            client = self.clients_dict[path]
538
563
        except KeyError:
539
564
            # not found?
540
 
            self.log_message("Unknown client {!r} ({!r}) removed"
541
 
                             .format(name, path))
 
565
            self.log_message("Unknown client %r (%r) removed", name,
 
566
                             path)
542
567
            return
543
568
        client.delete()
544
569
    
561
586
        if path is None:
562
587
            path = client.proxy.object_path
563
588
        self.clients_dict[path] = client
564
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
589
        self.clients.sort(None, lambda c: c.properties["Name"])
565
590
        self.refresh()
566
591
    
567
592
    def remove_client(self, client, path=None):
569
594
        if path is None:
570
595
            path = client.proxy.object_path
571
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()
572
602
        self.refresh()
573
603
    
574
604
    def refresh(self):
587
617
        try:
588
618
            mandos_clients = (self.mandos_serv
589
619
                              .GetAllClientsWithProperties())
590
 
            if not mandos_clients:
591
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
592
620
        except dbus.exceptions.DBusException:
593
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
594
621
            mandos_clients = dbus.Dictionary()
595
622
        
596
623
        (self.mandos_serv
608
635
                            self.client_not_found,
609
636
                            dbus_interface=server_interface,
610
637
                            byte_arrays=True))
611
 
        for path, client in mandos_clients.items():
 
638
        for path, client in mandos_clients.iteritems():
612
639
            client_proxy_object = self.bus.get_object(self.busname,
613
640
                                                      path)
614
641
            self.add_client(MandosClientWidget(server_proxy_object
623
650
                                               logger
624
651
                                               =self.log_message),
625
652
                            path=path)
626
 
        
 
653
 
627
654
        self.refresh()
628
655
        self._input_callback_tag = (gobject.io_add_watch
629
656
                                    (sys.stdin.fileno(),
661
688
            elif key == "window resize":
662
689
                self.size = self.screen.get_cols_rows()
663
690
                self.refresh()
664
 
            elif key == "ctrl l":
665
 
                self.screen.clear()
 
691
            elif key == "\f":  # Ctrl-L
666
692
                self.refresh()
667
693
            elif key == "l" or key == "D":
668
694
                self.toggle_log_display()
680
706
                                            "?: Help",
681
707
                                            "l: Log window toggle",
682
708
                                            "TAB: Switch window",
683
 
                                            "w: Wrap (log lines)",
684
 
                                            "v: Toggle verbose log",
685
 
                                            ))))
 
709
                                            "w: Wrap (log)"))))
686
710
                self.log_message_raw(("bold",
687
711
                                      "  "
688
712
                                      .join(("Clients:",
701
725
                else:
702
726
                    self.topwidget.set_focus(self.logbox)
703
727
                self.refresh()
704
 
            elif key == "v":
705
 
                if self.log_level == 0:
706
 
                    self.log_level = 1
707
 
                    self.log_message("Verbose mode: Off")
708
 
                else:
709
 
                    self.log_level = 0
710
 
                    self.log_message("Verbose mode: On")
711
728
            #elif (key == "end" or key == "meta >" or key == "G"
712
729
            #      or key == ">"):
713
730
            #    pass            # xxx end-of-buffer
736
753
    ui.run()
737
754
except KeyboardInterrupt:
738
755
    ui.screen.stop()
739
 
except Exception as e:
740
 
    ui.log_message(str(e))
 
756
except Exception, e:
 
757
    ui.log_message(unicode(e))
741
758
    ui.screen.stop()
742
759
    raise