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- Committer: Teddy Hogeborn
- Date: 2008-10-01 15:29:01 UTC
- Revision ID: teddy@fukt.bsnet.se-20081001152901-fh30whl3m4vb7m24
* debian/changelog: New Debian revision.
* debian/mandos-client.lintian-overrides: Added comments.
* debian/mandos.lintian-overrides: - '' -
* debian/mandos-client.lintian-overrides: Added comments.
* debian/mandos.lintian-overrides: - '' -
- files added:
- debian/mandos-client.config
- files removed:
- NEWS
- files modified:
- .bzrignore
added
removed
mandos-monitor
1
#!/usr/bin/python
2
# -*- mode: python; coding: utf-8 -*-
3
4
from __future__ import division, absolute_import, with_statement
5
6
import sys
7
import signal
8
9
import urwid.curses_display
10
import urwid
11
12
from dbus.mainloop.glib import DBusGMainLoop
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import gobject
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import dbus
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import UserList
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19
# Some useful constants
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domain = 'se.bsnet.fukt'
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server_interface = domain + '.Mandos'
22
client_interface = domain + '.Mandos.Client'
23
version = "1.0.14"
24
25
# Always run in monochrome mode
26
urwid.curses_display.curses.has_colors = lambda : False
27
28
# Urwid doesn't support blinking, but we want it. Since we have no
29
# use for underline on its own, we make underline also always blink.
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urwid.curses_display.curses.A_UNDERLINE |= (
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urwid.curses_display.curses.A_BLINK)
32
33
class MandosClientPropertyCache(object):
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"""This wraps a Mandos Client D-Bus proxy object, caches the
35
properties and calls a hook function when any of them are
36
changed.
37
"""
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def __init__(self, proxy_object=None, properties=None, *args,
39
**kwargs):
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self.proxy = proxy_object # Mandos Client proxy object
41
42
if properties is None:
43
self.properties = dict()
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else:
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self.properties = properties
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self.proxy.connect_to_signal("PropertyChanged",
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self.property_changed,
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client_interface,
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byte_arrays=True)
50
51
if properties is None:
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self.properties.update(self.proxy.GetAll(client_interface,
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dbus_interface =
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dbus.PROPERTIES_IFACE))
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super(MandosClientPropertyCache, self).__init__(
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proxy_object=proxy_object,
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properties=properties, *args, **kwargs)
58
59
def property_changed(self, property=None, value=None):
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"""This is called whenever we get a PropertyChanged signal
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It updates the changed property in the "properties" dict.
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"""
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# Update properties dict with new value
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self.properties[property] = value
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66
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class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
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"""A Mandos Client which is visible on the screen.
69
"""
70
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def __init__(self, server_proxy_object=None, update_hook=None,
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delete_hook=None, *args, **kwargs):
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# Called on update
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self.update_hook = update_hook
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# Called on delete
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self.delete_hook = delete_hook
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# Mandos Server proxy object
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self.server_proxy_object = server_proxy_object
79
80
# The widget shown normally
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self._text_widget = urwid.Text("")
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# The widget shown when we have focus
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self._focus_text_widget = urwid.Text("")
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super(MandosClientWidget, self).__init__(
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update_hook=update_hook, delete_hook=delete_hook,
86
*args, **kwargs)
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self.update()
88
self.opened = False
89
90
def selectable(self):
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"""Make this a "selectable" widget.
92
This overrides the method from urwid.FlowWidget."""
93
return True
94
95
def rows(self, (maxcol,), focus=False):
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"""How many rows this widget will occupy might depend on
97
whether we have focus or not.
98
This overrides the method from urwid.FlowWidget"""
99
return self.current_widget(focus).rows((maxcol,), focus=focus)
100
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def current_widget(self, focus=False):
102
if focus or self.opened:
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return self._focus_widget
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return self._widget
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106
def update(self):
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"Called when what is visible on the screen should be updated."
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# How to add standout mode to a style
109
with_standout = { u"normal": u"standout",
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u"bold": u"bold-standout",
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u"underline-blink":
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u"underline-blink-standout",
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u"bold-underline-blink":
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u"bold-underline-blink-standout",
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}
116
117
# Rebuild focus and non-focus widgets using current properties
118
self._text = (u'name="%(name)s", enabled=%(enabled)s'
119
% self.properties)
120
if not urwid.supports_unicode():
121
self._text = self._text.encode("ascii", "replace")
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textlist = [(u"normal", u"BLARGH: "), (u"bold", self._text)]
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self._text_widget.set_text(textlist)
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self._focus_text_widget.set_text([(with_standout[text[0]],
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text[1])
126
if isinstance(text, tuple)
127
else text
128
for text in textlist])
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self._widget = self._text_widget
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self._focus_widget = urwid.AttrWrap(self._focus_text_widget,
131
"standout")
132
# Run update hook, if any
133
if self.update_hook is not None:
134
self.update_hook()
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136
def delete(self):
137
if self.delete_hook is not None:
138
self.delete_hook(self)
139
140
def render(self, (maxcol,), focus=False):
141
"""Render differently if we have focus.
142
This overrides the method from urwid.FlowWidget"""
143
return self.current_widget(focus).render((maxcol,),
144
focus=focus)
145
146
def keypress(self, (maxcol,), key):
147
"""Handle keys.
148
This overrides the method from urwid.FlowWidget"""
149
if key == u"e" or key == u"+":
150
self.proxy.Enable()
151
elif key == u"d" or key == u"-":
152
self.proxy.Disable()
153
elif key == u"r" or key == u"_" or key == u"ctrl k":
154
self.server_proxy_object.RemoveClient(self.proxy
155
.object_path)
156
elif key == u"s":
157
self.proxy.StartChecker()
158
elif key == u"S":
159
self.proxy.StopChecker()
160
elif key == u"C":
161
self.proxy.CheckedOK()
162
# xxx
163
# elif key == u"p" or key == "=":
164
# self.proxy.pause()
165
# elif key == u"u" or key == ":":
166
# self.proxy.unpause()
167
# elif key == u"RET":
168
# self.open()
169
else:
170
return key
171
172
def property_changed(self, property=None, value=None,
173
*args, **kwargs):
174
"""Call self.update() if old value is not new value.
175
This overrides the method from MandosClientPropertyCache"""
176
property_name = unicode(property)
177
old_value = self.properties.get(property_name)
178
super(MandosClientWidget, self).property_changed(
179
property=property, value=value, *args, **kwargs)
180
if self.properties.get(property_name) != old_value:
181
self.update()
182
183
184
class ConstrainedListBox(urwid.ListBox):
185
"""Like a normal urwid.ListBox, but will consume all "up" or
186
"down" key presses, thus not allowing any containing widgets to
187
use them as an excuse to shift focus away from this widget.
188
"""
189
def keypress(self, (maxcol, maxrow), key):
190
ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
191
if ret in (u"up", u"down"):
192
return
193
return ret
194
195
196
class UserInterface(object):
197
"""This is the entire user interface - the whole screen
198
with boxes, lists of client widgets, etc.
199
"""
200
def __init__(self, max_log_length=1000):
201
DBusGMainLoop(set_as_default=True)
202
203
self.screen = urwid.curses_display.Screen()
204
205
self.screen.register_palette((
206
(u"normal",
207
u"default", u"default", None),
208
(u"bold",
209
u"default", u"default", u"bold"),
210
(u"underline-blink",
211
u"default", u"default", u"underline"),
212
(u"standout",
213
u"default", u"default", u"standout"),
214
(u"bold-underline-blink",
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u"default", u"default", (u"bold", u"underline")),
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(u"bold-standout",
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u"default", u"default", (u"bold", u"standout")),
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(u"underline-blink-standout",
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u"default", u"default", (u"underline", u"standout")),
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(u"bold-underline-blink-standout",
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u"default", u"default", (u"bold", u"underline",
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u"standout")),
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))
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if urwid.supports_unicode():
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self.divider = u"─" # \u2500
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#self.divider = u"━" # \u2501
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else:
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#self.divider = u"-" # \u002d
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self.divider = u"_" # \u005f
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self.screen.start()
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self.size = self.screen.get_cols_rows()
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self.clients = urwid.SimpleListWalker([])
237
self.clients_dict = {}
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# We will add Text widgets to this list
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self.log = []
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self.max_log_length = max_log_length
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# We keep a reference to the log widget so we can remove it
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# from the ListWalker without it getting destroyed
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self.logbox = ConstrainedListBox(self.log)
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# This keeps track of whether self.uilist currently has
248
# self.logbox in it or not
249
self.log_visible = True
250
self.log_wrap = u"any"
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252
self.rebuild()
253
self.log_message((u"bold",
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u"Mandos Monitor version " + version))
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self.log_message((u"bold",
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u"q: Quit ?: Help"))
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self.busname = domain + '.Mandos'
259
self.main_loop = gobject.MainLoop()
260
self.bus = dbus.SystemBus()
261
mandos_dbus_objc = self.bus.get_object(
262
self.busname, u"/", follow_name_owner_changes=True)
263
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
264
dbus_interface
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= server_interface)
266
try:
267
mandos_clients = (self.mandos_serv
268
.GetAllClientsWithProperties())
269
except dbus.exceptions.DBusException:
270
mandos_clients = dbus.Dictionary()
271
272
(self.mandos_serv
273
.connect_to_signal("ClientRemoved",
274
self.find_and_remove_client,
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dbus_interface=server_interface,
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byte_arrays=True))
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(self.mandos_serv
278
.connect_to_signal("ClientAdded",
279
self.add_new_client,
280
dbus_interface=server_interface,
281
byte_arrays=True))
282
for path, client in mandos_clients.iteritems():
283
client_proxy_object = self.bus.get_object(self.busname,
284
path)
285
self.add_client(MandosClientWidget(server_proxy_object
286
=self.mandos_serv,
287
proxy_object
288
=client_proxy_object,
289
properties=client,
290
update_hook
291
=self.refresh,
292
delete_hook
293
=self.remove_client),
294
path=path)
295
296
def rebuild(self):
297
"""This rebuilds the User Interface.
298
Call this when the widget layout needs to change"""
299
self.uilist = []
300
#self.uilist.append(urwid.ListBox(self.clients))
301
self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
302
#header=urwid.Divider(),
303
header=None,
304
footer=urwid.Divider(div_char=self.divider)))
305
if self.log_visible:
306
self.uilist.append(self.logbox)
307
pass
308
self.topwidget = urwid.Pile(self.uilist)
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def log_message(self, markup):
311
"""Add a log message to the log buffer."""
312
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
313
if (self.max_log_length
314
and len(self.log) > self.max_log_length):
315
del self.log[0:len(self.log)-self.max_log_length-1]
316
self.logbox.set_focus(len(self.logbox.body.contents),
317
coming_from=u"above")
318
319
def toggle_log_display(self):
320
"""Toggle visibility of the log buffer."""
321
self.log_visible = not self.log_visible
322
self.rebuild()
323
self.log_message(u"Log visibility changed to: "
324
+ unicode(self.log_visible))
325
326
def change_log_display(self):
327
"""Change type of log display.
328
Currently, this toggles wrapping of text lines."""
329
if self.log_wrap == u"clip":
330
self.log_wrap = u"any"
331
else:
332
self.log_wrap = u"clip"
333
for textwidget in self.log:
334
textwidget.set_wrap_mode(self.log_wrap)
335
self.log_message(u"Wrap mode: " + self.log_wrap)
336
337
def find_and_remove_client(self, path, name):
338
"""Find an client from its object path and remove it.
339
340
This is connected to the ClientRemoved signal from the
341
Mandos server object."""
342
try:
343
client = self.clients_dict[path]
344
except KeyError:
345
# not found?
346
return
347
self.remove_client(client, path)
348
349
def add_new_client(self, path, properties):
350
client_proxy_object = self.bus.get_object(self.busname, path)
351
self.add_client(MandosClientWidget(server_proxy_object
352
=self.mandos_serv,
353
proxy_object
354
=client_proxy_object,
355
properties=properties,
356
update_hook
357
=self.refresh,
358
delete_hook
359
=self.remove_client),
360
path=path)
361
362
def add_client(self, client, path=None):
363
self.clients.append(client)
364
if path is None:
365
path = client.proxy.object_path
366
self.clients_dict[path] = client
367
self.clients.sort(None, lambda c: c.properties[u"name"])
368
self.refresh()
369
370
def remove_client(self, client, path=None):
371
self.clients.remove(client)
372
if path is None:
373
path = client.proxy.object_path
374
del self.clients_dict[path]
375
if not self.clients_dict:
376
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
377
# is completely emptied, we need to recreate it.
378
self.clients = urwid.SimpleListWalker([])
379
self.rebuild()
380
self.refresh()
381
382
def refresh(self):
383
"""Redraw the screen"""
384
canvas = self.topwidget.render(self.size, focus=True)
385
self.screen.draw_screen(self.size, canvas)
386
387
def run(self):
388
"""Start the main loop and exit when it's done."""
389
self.refresh()
390
self._input_callback_tag = (gobject.io_add_watch
391
(sys.stdin.fileno(),
392
gobject.IO_IN,
393
self.process_input))
394
self.main_loop.run()
395
# Main loop has finished, we should close everything now
396
gobject.source_remove(self._input_callback_tag)
397
self.screen.stop()
398
399
def stop(self):
400
self.main_loop.quit()
401
402
def process_input(self, source, condition):
403
keys = self.screen.get_input()
404
translations = { u"ctrl n": u"down", # Emacs
405
u"ctrl p": u"up", # Emacs
406
u"ctrl v": u"page down", # Emacs
407
u"meta v": u"page up", # Emacs
408
u" ": u"page down", # less
409
u"f": u"page down", # less
410
u"b": u"page up", # less
411
u"j": u"down", # vi
412
u"k": u"up", # vi
413
}
414
for key in keys:
415
try:
416
key = translations[key]
417
except KeyError: # :-)
418
pass
419
420
if key == u"q" or key == u"Q":
421
self.stop()
422
break
423
elif key == u"window resize":
424
self.size = self.screen.get_cols_rows()
425
self.refresh()
426
elif key == u"\f": # Ctrl-L
427
self.refresh()
428
elif key == u"l" or key == u"D":
429
self.toggle_log_display()
430
self.refresh()
431
elif key == u"w" or key == u"i":
432
self.change_log_display()
433
self.refresh()
434
elif key == u"?" or key == u"f1" or key == u"esc":
435
if not self.log_visible:
436
self.log_visible = True
437
self.rebuild()
438
self.log_message((u"bold",
439
u" ".join((u"q: Quit",
440
u"?: Help",
441
u"l: Log window toggle",
442
u"TAB: Switch window",
443
u"w: Wrap (log)"))))
444
self.log_message((u"bold",
445
u" ".join((u"Clients:",
446
u"e: Enable",
447
u"d: Disable",
448
u"r: Remove",
449
u"s: Start new checker",
450
u"S: Stop checker",
451
u"C: Checker OK"))))
452
self.refresh()
453
elif key == u"tab":
454
if self.topwidget.get_focus() is self.logbox:
455
self.topwidget.set_focus(0)
456
else:
457
self.topwidget.set_focus(self.logbox)
458
self.refresh()
459
#elif (key == u"end" or key == u"meta >" or key == u"G"
460
# or key == u">"):
461
# pass # xxx end-of-buffer
462
#elif (key == u"home" or key == u"meta <" or key == u"g"
463
# or key == u"<"):
464
# pass # xxx beginning-of-buffer
465
#elif key == u"ctrl e" or key == u"$":
466
# pass # xxx move-end-of-line
467
#elif key == u"ctrl a" or key == u"^":
468
# pass # xxx move-beginning-of-line
469
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
470
# pass # xxx left
471
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
472
# pass # xxx right
473
#elif key == u"a":
474
# pass # scroll up log
475
#elif key == u"z":
476
# pass # scroll down log
477
elif self.topwidget.selectable():
478
self.topwidget.keypress(self.size, key)
479
self.refresh()
480
return True
481
482
ui = UserInterface()
483
try:
484
ui.run()
485
except:
486
ui.screen.stop()
487
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0