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060ca767 | 1 | #! @PYTHON@ |
984b6d33 MW |
2 | ### -*- mode: python; coding: utf-8 -*- |
3 | ### | |
4 | ### Graphical monitor for tripe server | |
5 | ### | |
6 | ### (c) 2007 Straylight/Edgeware | |
7 | ### | |
8 | ||
9 | ###----- Licensing notice --------------------------------------------------- | |
10 | ### | |
11 | ### This file is part of Trivial IP Encryption (TrIPE). | |
12 | ### | |
13 | ### TrIPE is free software; you can redistribute it and/or modify | |
14 | ### it under the terms of the GNU General Public License as published by | |
15 | ### the Free Software Foundation; either version 2 of the License, or | |
16 | ### (at your option) any later version. | |
17 | ### | |
18 | ### TrIPE is distributed in the hope that it will be useful, | |
19 | ### but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | ### GNU General Public License for more details. | |
22 | ### | |
23 | ### You should have received a copy of the GNU General Public License | |
24 | ### along with TrIPE; if not, write to the Free Software Foundation, | |
25 | ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
26 | ||
27 | ###-------------------------------------------------------------------------- | |
28 | ### Dependencies. | |
060ca767 | 29 | |
30 | import socket as S | |
984b6d33 MW |
31 | import tripe as T |
32 | import mLib as M | |
33 | from sys import argv, exit, stdin, stdout, stderr, exc_info, excepthook | |
060ca767 | 34 | import os as OS |
35 | from os import environ | |
984b6d33 | 36 | import math as MATH |
060ca767 | 37 | import sets as SET |
984b6d33 MW |
38 | from optparse import OptionParser |
39 | import time as TIME | |
c55f0b7c | 40 | import re as RX |
060ca767 | 41 | from cStringIO import StringIO |
42 | ||
a69f4417 MW |
43 | try: |
44 | if OS.getenv('TRIPEMON_FORCE_GI'): raise ImportError | |
45 | import pygtk | |
46 | pygtk.require('2.0') | |
47 | import gtk as G | |
48 | import gobject as GO | |
49 | import gtk.gdk as GDK | |
50 | GL = GO | |
51 | def raise_window(w): w.window.raise_() | |
52 | combo_box_text = G.combo_box_new_text | |
53 | def set_entry_bg(e, c): e.modify_base(G.STATE_NORMAL, c) | |
54 | except ImportError: | |
55 | from gi.repository import GObject as GO, GLib as GL, Gtk as G, Gdk as GDK | |
56 | G.WINDOW_TOPLEVEL = G.WindowType.TOPLEVEL | |
57 | G.EXPAND = G.AttachOptions.EXPAND | |
58 | G.SHRINK = G.AttachOptions.SHRINK | |
59 | G.FILL = G.AttachOptions.FILL | |
60 | G.SORT_ASCENDING = G.SortType.ASCENDING | |
61 | G.POLICY_AUTOMATIC = G.PolicyType.AUTOMATIC | |
62 | G.SHADOW_IN = G.ShadowType.IN | |
63 | G.SELECTION_NONE = G.SelectionMode.NONE | |
64 | G.DIALOG_MODAL = G.DialogFlags.MODAL | |
65 | G.RESPONSE_CANCEL = G.ResponseType.CANCEL | |
66 | G.RESPONSE_NONE = G.ResponseType.NONE | |
67 | def raise_window(w): getattr(w.get_window(), 'raise')() | |
68 | combo_box_text = G.ComboBoxText | |
69 | def set_entry_bg(e, c): e.modify_bg(G.StateType.NORMAL, c) | |
060ca767 | 70 | |
984b6d33 MW |
71 | if OS.getenv('TRIPE_DEBUG_MONITOR') is not None: |
72 | T._debug = 1 | |
060ca767 | 73 | |
984b6d33 MW |
74 | ###-------------------------------------------------------------------------- |
75 | ### Doing things later. | |
060ca767 | 76 | |
984b6d33 MW |
77 | def uncaught(): |
78 | """Report an uncaught exception.""" | |
79 | excepthook(*exc_info()) | |
060ca767 | 80 | |
984b6d33 MW |
81 | def xwrap(func): |
82 | """ | |
83 | Return a function which behaves like FUNC, but reports exceptions via | |
84 | uncaught. | |
85 | """ | |
86 | def _(*args, **kw): | |
87 | try: | |
88 | return func(*args, **kw) | |
89 | except SystemExit: | |
90 | raise | |
91 | except: | |
92 | uncaught() | |
93 | raise | |
94 | return _ | |
060ca767 | 95 | |
984b6d33 MW |
96 | def invoker(func, *args, **kw): |
97 | """ | |
98 | Return a function which throws away its arguments and calls | |
99 | FUNC(*ARGS, **KW). | |
060ca767 | 100 | |
984b6d33 MW |
101 | If for loops worked by binding rather than assignment then we wouldn't need |
102 | this kludge. | |
103 | """ | |
104 | return lambda *hunoz, **hukairz: xwrap(func)(*args, **kw) | |
060ca767 | 105 | |
984b6d33 MW |
106 | def cr(func, *args, **kw): |
107 | """Return a function which invokes FUNC(*ARGS, **KW) in a coroutine.""" | |
22b47552 MW |
108 | name = T.funargstr(func, args, kw) |
109 | return lambda *hunoz, **hukairz: \ | |
110 | T.Coroutine(xwrap(func), name = name).switch(*args, **kw) | |
060ca767 | 111 | |
984b6d33 MW |
112 | def incr(func): |
113 | """Decorator: runs its function in a coroutine of its own.""" | |
22b47552 MW |
114 | return lambda *args, **kw: \ |
115 | (T.Coroutine(func, name = T.funargstr(func, args, kw)) | |
116 | .switch(*args, **kw)) | |
060ca767 | 117 | |
984b6d33 MW |
118 | ###-------------------------------------------------------------------------- |
119 | ### Random bits of infrastructure. | |
060ca767 | 120 | |
984b6d33 MW |
121 | ## Program name, shorn of extraneous stuff. |
122 | M.ego(argv[0]) | |
123 | moan = M.moan | |
124 | die = M.die | |
060ca767 | 125 | |
984b6d33 MW |
126 | class HookList (object): |
127 | """ | |
128 | Notification hook list. | |
060ca767 | 129 | |
984b6d33 MW |
130 | Other objects can add functions onto the hook list. When the hook list is |
131 | run, the functions are called in the order in which they were registered. | |
132 | """ | |
060ca767 | 133 | |
060ca767 | 134 | def __init__(me): |
984b6d33 | 135 | """Basic initialization: create the hook list.""" |
060ca767 | 136 | me.list = [] |
984b6d33 | 137 | |
060ca767 | 138 | def add(me, func, obj): |
984b6d33 | 139 | """Add FUNC to the list of hook functions.""" |
060ca767 | 140 | me.list.append((obj, func)) |
984b6d33 | 141 | |
060ca767 | 142 | def prune(me, obj): |
984b6d33 | 143 | """Remove hook functions registered with the given OBJ.""" |
060ca767 | 144 | new = [] |
145 | for o, f in me.list: | |
146 | if o is not obj: | |
147 | new.append((o, f)) | |
148 | me.list = new | |
984b6d33 | 149 | |
060ca767 | 150 | def run(me, *args, **kw): |
984b6d33 | 151 | """Invoke the hook functions with arguments *ARGS and **KW.""" |
060ca767 | 152 | for o, hook in me.list: |
153 | rc = hook(*args, **kw) | |
154 | if rc is not None: return rc | |
155 | return None | |
156 | ||
157 | class HookClient (object): | |
984b6d33 MW |
158 | """ |
159 | Mixin for classes which are clients of hooks. | |
160 | ||
161 | It keeps track of the hooks it's a client of, and has the ability to | |
162 | extricate itself from all of them. This is useful because weak objects | |
163 | don't seem to work well. | |
164 | """ | |
060ca767 | 165 | def __init__(me): |
984b6d33 | 166 | """Basic initialization.""" |
060ca767 | 167 | me.hooks = SET.Set() |
984b6d33 | 168 | |
060ca767 | 169 | def hook(me, hk, func): |
984b6d33 | 170 | """Add FUNC to the hook list HK.""" |
060ca767 | 171 | hk.add(func, me) |
172 | me.hooks.add(hk) | |
984b6d33 | 173 | |
060ca767 | 174 | def unhook(me, hk): |
984b6d33 | 175 | """Remove myself from the hook list HK.""" |
060ca767 | 176 | hk.prune(me) |
177 | me.hooks.discard(hk) | |
984b6d33 | 178 | |
060ca767 | 179 | def unhookall(me): |
984b6d33 | 180 | """Remove myself from all hook lists.""" |
060ca767 | 181 | for hk in me.hooks: |
182 | hk.prune(me) | |
183 | me.hooks.clear() | |
060ca767 | 184 | |
984b6d33 MW |
185 | class struct (object): |
186 | """A very simple dumb data container object.""" | |
187 | def __init__(me, **kw): | |
188 | me.__dict__.update(kw) | |
060ca767 | 189 | |
984b6d33 MW |
190 | ## Matches ISO date format yyyy-mm-ddThh:mm:ss. |
191 | rx_time = RX.compile(r'^(\d+)-(\d+)-(\d+)T(\d+):(\d+):(\d+)$') | |
060ca767 | 192 | |
984b6d33 MW |
193 | ###-------------------------------------------------------------------------- |
194 | ### Connections. | |
060ca767 | 195 | |
690a6ec1 MW |
196 | class GIOWatcher (object): |
197 | """ | |
198 | Monitor I/O events using glib. | |
199 | """ | |
a69f4417 | 200 | def __init__(me, conn, mc = GL.main_context_default()): |
690a6ec1 MW |
201 | me._conn = conn |
202 | me._watch = None | |
203 | me._mc = mc | |
204 | def connected(me, sock): | |
a69f4417 | 205 | me._watch = GL.io_add_watch(sock, GL.IO_IN, |
690a6ec1 MW |
206 | lambda *hunoz: me._conn.receive()) |
207 | def disconnected(me): | |
a69f4417 | 208 | GL.source_remove(me._watch) |
690a6ec1 MW |
209 | me._watch = None |
210 | def iterate(me): | |
211 | me._mc.iteration(True) | |
212 | ||
984b6d33 MW |
213 | class Connection (T.TripeCommandDispatcher): |
214 | """ | |
215 | The main connection to the server. | |
060ca767 | 216 | |
984b6d33 MW |
217 | The improvement over the TripeCommandDispatcher is that the Connection |
218 | provides hooklists for NOTE, WARN and TRACE messages, and for connect and | |
219 | disconnect events. | |
060ca767 | 220 | |
984b6d33 | 221 | This class knows about the Glib I/O dispatcher system, and plugs into it. |
060ca767 | 222 | |
984b6d33 | 223 | Hooks: |
060ca767 | 224 | |
984b6d33 MW |
225 | * connecthook(): a connection to the server has been established |
226 | * disconnecthook(): the connection has been dropped | |
227 | * notehook(TOKEN, ...): server issued a notification | |
228 | * warnhook(TOKEN, ...): server issued a warning | |
229 | * tracehook(TOKEN, ...): server issued a trace message | |
230 | """ | |
060ca767 | 231 | |
984b6d33 MW |
232 | def __init__(me, socket): |
233 | """Create a new Connection.""" | |
234 | T.TripeCommandDispatcher.__init__(me, socket) | |
060ca767 | 235 | me.connecthook = HookList() |
236 | me.disconnecthook = HookList() | |
060ca767 | 237 | me.notehook = HookList() |
984b6d33 MW |
238 | me.warnhook = HookList() |
239 | me.tracehook = HookList() | |
240 | me.handler['NOTE'] = lambda _, *rest: me.notehook.run(*rest) | |
241 | me.handler['WARN'] = lambda _, *rest: me.warnhook.run(*rest) | |
242 | me.handler['TRACE'] = lambda _, *rest: me.tracehook.run(*rest) | |
690a6ec1 | 243 | me.iowatch = GIOWatcher(me) |
984b6d33 | 244 | |
060ca767 | 245 | def connected(me): |
984b6d33 MW |
246 | """Handles reconnection to the server, and signals the hook.""" |
247 | T.TripeCommandDispatcher.connected(me) | |
984b6d33 MW |
248 | me.connecthook.run() |
249 | ||
250 | def disconnected(me, reason): | |
251 | """Handles disconnection from the server, and signals the hook.""" | |
984b6d33 MW |
252 | me.disconnecthook.run(reason) |
253 | T.TripeCommandDispatcher.disconnected(me, reason) | |
254 | ||
255 | ###-------------------------------------------------------------------------- | |
256 | ### Watching the peers go by. | |
257 | ||
258 | class MonitorObject (object): | |
259 | """ | |
260 | An object with hooks it uses to notify others of changes in its state. | |
261 | These are the objects tracked by the MonitorList class. | |
262 | ||
263 | The object has a name, an `aliveness' state indicated by the `alivep' flag, | |
264 | and hooks. | |
265 | ||
266 | Hooks: | |
267 | ||
268 | * changehook(): the object has changed its state | |
269 | * deadhook(): the object has been destroyed | |
270 | ||
271 | Subclass responsibilities: | |
272 | ||
273 | * update(INFO): update internal state based on the provided INFO, and run | |
274 | the changehook. | |
275 | """ | |
276 | ||
277 | def __init__(me, name): | |
278 | """Initialize the object with the given NAME.""" | |
060ca767 | 279 | me.name = name |
984b6d33 MW |
280 | me.deadhook = HookList() |
281 | me.changehook = HookList() | |
282 | me.alivep = True | |
283 | ||
284 | def dead(me): | |
285 | """Mark the object as dead; invoke the deadhook.""" | |
286 | me.alivep = False | |
287 | me.deadhook.run() | |
288 | ||
289 | class Peer (MonitorObject): | |
290 | """ | |
291 | An object representing a connected peer. | |
292 | ||
293 | As well as the standard hooks, a peer has a pinghook, which isn't used | |
294 | directly by this class. | |
295 | ||
296 | Hooks: | |
297 | ||
298 | * pinghook(): invoked by the Pinger (q.v.) when ping statistics change | |
299 | ||
300 | Attributes provided are: | |
301 | ||
302 | * addr = a vaguely human-readable representation of the peer's address | |
303 | * ifname = the peer's interface name | |
304 | * tunnel = the kind of tunnel the peer is using | |
305 | * keepalive = the peer's keepalive interval in seconds | |
306 | * ping['EPING'] and ping['PING'] = pingstate statistics (maintained by | |
307 | the Pinger) | |
308 | """ | |
309 | ||
310 | def __init__(me, name): | |
311 | """Initialize the object with the given name.""" | |
312 | MonitorObject.__init__(me, name) | |
313 | me.pinghook = HookList() | |
314 | me.update() | |
315 | ||
316 | def update(me, hunoz = None): | |
317 | """Update the peer, fetching information about it from the server.""" | |
d1034a00 | 318 | me._setaddr(conn.addr(me.name)) |
6411163d MW |
319 | me.ifname = conn.ifname(me.name) |
320 | me.__dict__.update(conn.peerinfo(me.name)) | |
321 | me.changehook.run() | |
322 | ||
323 | def _setaddr(me, addr): | |
324 | """Set the peer's address.""" | |
060ca767 | 325 | if addr[0] == 'INET': |
326 | ipaddr, port = addr[1:] | |
327 | try: | |
328 | name = S.gethostbyaddr(ipaddr)[0] | |
329 | me.addr = 'INET %s:%s [%s]' % (name, port, ipaddr) | |
330 | except S.herror: | |
331 | me.addr = 'INET %s:%s' % (ipaddr, port) | |
332 | else: | |
333 | me.addr = ' '.join(addr) | |
6411163d MW |
334 | |
335 | def setaddr(me, addr): | |
336 | """Informs the object of a change to its address to ADDR.""" | |
337 | me._setaddr(addr) | |
984b6d33 MW |
338 | me.changehook.run() |
339 | ||
340 | def setifname(me, newname): | |
341 | """Informs the object of a change to its interface name to NEWNAME.""" | |
342 | me.ifname = newname | |
343 | me.changehook.run() | |
344 | ||
345 | class Service (MonitorObject): | |
346 | """ | |
347 | Represents a service. | |
348 | ||
349 | Additional attributes are: | |
350 | ||
351 | * version = the service version | |
352 | """ | |
353 | def __init__(me, name, version): | |
354 | MonitorObject.__init__(me, name) | |
355 | me.version = version | |
356 | ||
357 | def update(me, version): | |
358 | """Tell the Service that its version has changed to VERSION.""" | |
359 | me.version = version | |
360 | me.changehook.run() | |
361 | ||
362 | class MonitorList (object): | |
363 | """ | |
364 | Maintains a collection of MonitorObjects. | |
365 | ||
366 | The MonitorList can be indexed by name to retrieve the individual objects; | |
367 | iteration generates the individual objects. More complicated operations | |
368 | can be done on the `table' dictionary directly. | |
369 | ||
370 | Hooks addhook(OBJ) and delhook(OBJ) are invoked when objects are added or | |
371 | deleted. | |
060ca767 | 372 | |
984b6d33 MW |
373 | Subclass responsibilities: |
374 | ||
375 | * list(): return a list of (NAME, INFO) pairs. | |
376 | ||
377 | * make(NAME, INFO): returns a new MonitorObject for the given NAME; INFO | |
378 | is from the output of list(). | |
379 | """ | |
380 | ||
381 | def __init__(me): | |
382 | """Initialize a new MonitorList.""" | |
383 | me.table = {} | |
384 | me.addhook = HookList() | |
385 | me.delhook = HookList() | |
386 | ||
387 | def update(me): | |
388 | """ | |
389 | Refresh the list of objects: | |
390 | ||
391 | We add new object which have appeared, delete ones which have vanished, | |
392 | and update any which persist. | |
393 | """ | |
394 | new = {} | |
395 | for name, stuff in me.list(): | |
396 | new[name] = True | |
397 | me.add(name, stuff) | |
398 | for name in me.table.copy(): | |
399 | if name not in new: | |
400 | me.remove(name) | |
401 | ||
402 | def add(me, name, stuff): | |
403 | """ | |
404 | Add a new object created by make(NAME, STUFF) if it doesn't already | |
405 | exist. If it does, update it. | |
406 | """ | |
407 | if name not in me.table: | |
408 | obj = me.make(name, stuff) | |
409 | me.table[name] = obj | |
410 | me.addhook.run(obj) | |
411 | else: | |
412 | me.table[name].update(stuff) | |
413 | ||
414 | def remove(me, name): | |
415 | """ | |
416 | Remove the object called NAME from the list. | |
417 | ||
418 | The object becomes dead. | |
419 | """ | |
420 | if name in me.table: | |
421 | obj = me.table[name] | |
422 | del me.table[name] | |
423 | me.delhook.run(obj) | |
424 | obj.dead() | |
425 | ||
426 | def __getitem__(me, name): | |
427 | """Retrieve the object called NAME.""" | |
428 | return me.table[name] | |
429 | ||
430 | def __iter__(me): | |
431 | """Iterate over the objects.""" | |
432 | return me.table.itervalues() | |
433 | ||
434 | class PeerList (MonitorList): | |
435 | """The list of the known peers.""" | |
436 | def list(me): | |
437 | return [(name, None) for name in conn.list()] | |
438 | def make(me, name, stuff): | |
439 | return Peer(name) | |
440 | ||
441 | class ServiceList (MonitorList): | |
442 | """The list of the registered services.""" | |
443 | def list(me): | |
444 | return conn.svclist() | |
445 | def make(me, name, stuff): | |
446 | return Service(name, stuff) | |
447 | ||
448 | class Monitor (HookClient): | |
449 | """ | |
450 | The main monitor: keeps track of the changes happening to the server. | |
451 | ||
452 | Exports the peers, services MonitorLists, and a (plain Python) list | |
453 | autopeers of peers which the connect service knows how to start by name. | |
454 | ||
455 | Hooks provided: | |
456 | ||
457 | * autopeershook(): invoked when the auto-peers list changes. | |
458 | """ | |
459 | def __init__(me): | |
460 | """Initialize the Monitor.""" | |
461 | HookClient.__init__(me) | |
462 | me.peers = PeerList() | |
463 | me.services = ServiceList() | |
464 | me.hook(conn.connecthook, me._connected) | |
465 | me.hook(conn.notehook, me._notify) | |
466 | me.autopeershook = HookList() | |
467 | me.autopeers = None | |
468 | ||
469 | def _connected(me): | |
470 | """Handle a successful connection by starting the setup coroutine.""" | |
471 | me._setup() | |
472 | ||
473 | @incr | |
474 | def _setup(me): | |
475 | """Coroutine function: initialize for a new connection.""" | |
476 | conn.watch('-A+wnt') | |
477 | me.peers.update() | |
478 | me.services.update() | |
479 | me._updateautopeers() | |
480 | ||
481 | def _updateautopeers(me): | |
482 | """Update the auto-peers list from the connect service.""" | |
483 | if 'connect' in me.services.table: | |
484 | me.autopeers = [' '.join(line) | |
c1f93f03 | 485 | for line in conn.svcsubmit('connect', 'list-active')] |
984b6d33 MW |
486 | me.autopeers.sort() |
487 | else: | |
488 | me.autopeers = None | |
489 | me.autopeershook.run() | |
490 | ||
491 | def _notify(me, code, *rest): | |
492 | """ | |
493 | Handle notifications from the server. | |
494 | ||
495 | ADD, KILL and NEWIFNAME notifications get passed up to the PeerList; | |
496 | SVCCLAIM and SVCRELEASE get passed up to the ServiceList. Finally, | |
497 | peerdb-update notifications from the watch service cause us to refresh | |
498 | the auto-peers list. | |
499 | """ | |
500 | if code == 'ADD': | |
690a6ec1 | 501 | T.aside(me.peers.add, rest[0], None) |
984b6d33 | 502 | elif code == 'KILL': |
690a6ec1 | 503 | T.aside(me.peers.remove, rest[0]) |
984b6d33 MW |
504 | elif code == 'NEWIFNAME': |
505 | try: | |
506 | me.peers[rest[0]].setifname(rest[2]) | |
507 | except KeyError: | |
508 | pass | |
6411163d MW |
509 | elif code == 'NEWADDR': |
510 | try: | |
511 | me.peers[rest[0]].setaddr(rest[1:]) | |
512 | except KeyError: | |
513 | pass | |
984b6d33 | 514 | elif code == 'SVCCLAIM': |
690a6ec1 | 515 | T.aside(me.services.add, rest[0], rest[1]) |
984b6d33 | 516 | if rest[0] == 'connect': |
690a6ec1 | 517 | T.aside(me._updateautopeers) |
984b6d33 | 518 | elif code == 'SVCRELEASE': |
690a6ec1 | 519 | T.aside(me.services.remove, rest[0]) |
984b6d33 | 520 | if rest[0] == 'connect': |
690a6ec1 | 521 | T.aside(me._updateautopeers) |
984b6d33 MW |
522 | elif code == 'USER': |
523 | if not rest: return | |
524 | if rest[0] == 'watch' and \ | |
525 | rest[1] == 'peerdb-update': | |
690a6ec1 | 526 | T.aside(me._updateautopeers) |
984b6d33 MW |
527 | |
528 | ###-------------------------------------------------------------------------- | |
529 | ### Window management cruft. | |
060ca767 | 530 | |
531 | class MyWindowMixin (G.Window, HookClient): | |
984b6d33 MW |
532 | """ |
533 | Mixin for windows which call a closehook when they're destroyed. It's also | |
534 | a hookclient, and will release its hooks when it's destroyed. | |
535 | ||
536 | Hooks: | |
537 | ||
538 | * closehook(): called when the window is closed. | |
539 | """ | |
540 | ||
060ca767 | 541 | def mywininit(me): |
984b6d33 | 542 | """Initialization function. Note that it's not called __init__!""" |
060ca767 | 543 | me.closehook = HookList() |
544 | HookClient.__init__(me) | |
545 | me.connect('destroy', invoker(me.close)) | |
984b6d33 | 546 | |
060ca767 | 547 | def close(me): |
984b6d33 | 548 | """Close the window, invoking the closehook and releasing all hooks.""" |
060ca767 | 549 | me.closehook.run() |
550 | me.destroy() | |
551 | me.unhookall() | |
984b6d33 | 552 | |
060ca767 | 553 | class MyWindow (MyWindowMixin): |
984b6d33 | 554 | """A version of MyWindowMixin suitable as a single parent class.""" |
060ca767 | 555 | def __init__(me, kind = G.WINDOW_TOPLEVEL): |
556 | G.Window.__init__(me, kind) | |
557 | me.mywininit() | |
984b6d33 | 558 | |
060ca767 | 559 | class MyDialog (G.Dialog, MyWindowMixin, HookClient): |
560 | """A dialogue box with a closehook and sensible button binding.""" | |
984b6d33 | 561 | |
060ca767 | 562 | def __init__(me, title = None, flags = 0, buttons = []): |
984b6d33 MW |
563 | """ |
564 | The BUTTONS are a list of (STOCKID, THUNK) pairs: call the appropriate | |
565 | THUNK when the button is pressed. The other arguments are just like | |
566 | GTK's Dialog class. | |
567 | """ | |
060ca767 | 568 | i = 0 |
569 | br = [] | |
570 | me.rmap = [] | |
571 | for b, f in buttons: | |
572 | br.append(b) | |
573 | br.append(i) | |
574 | me.rmap.append(f) | |
575 | i += 1 | |
576 | G.Dialog.__init__(me, title, None, flags, tuple(br)) | |
060ca767 | 577 | me.mywininit() |
578 | me.set_default_response(i - 1) | |
579 | me.connect('response', me.respond) | |
984b6d33 | 580 | |
060ca767 | 581 | def respond(me, hunoz, rid, *hukairz): |
984b6d33 | 582 | """Dispatch responses to the appropriate thunks.""" |
060ca767 | 583 | if rid >= 0: me.rmap[rid]() |
584 | ||
ca6eb20c | 585 | def makeactiongroup(name, acts): |
984b6d33 MW |
586 | """ |
587 | Creates an ActionGroup called NAME. | |
588 | ||
589 | ACTS is a list of tuples containing: | |
590 | ||
591 | * ACT: an action name | |
592 | * LABEL: the label string for the action | |
593 | * ACCEL: accelerator string, or None | |
594 | * FUNC: thunk to call when the action is invoked | |
595 | """ | |
ca6eb20c | 596 | actgroup = G.ActionGroup(name) |
597 | for act, label, accel, func in acts: | |
598 | a = G.Action(act, label, None, None) | |
599 | if func: a.connect('activate', invoker(func)) | |
600 | actgroup.add_action_with_accel(a, accel) | |
601 | return actgroup | |
602 | ||
603 | class GridPacker (G.Table): | |
984b6d33 MW |
604 | """ |
605 | Like a Table, but with more state: makes filling in the widgets easier. | |
606 | """ | |
607 | ||
ca6eb20c | 608 | def __init__(me): |
984b6d33 | 609 | """Initialize a new GridPacker.""" |
ca6eb20c | 610 | G.Table.__init__(me) |
611 | me.row = 0 | |
612 | me.col = 0 | |
613 | me.rows = 1 | |
614 | me.cols = 1 | |
615 | me.set_border_width(4) | |
616 | me.set_col_spacings(4) | |
617 | me.set_row_spacings(4) | |
984b6d33 | 618 | |
ca6eb20c | 619 | def pack(me, w, width = 1, newlinep = False, |
620 | xopt = G.EXPAND | G.FILL | G.SHRINK, yopt = 0, | |
621 | xpad = 0, ypad = 0): | |
984b6d33 MW |
622 | """ |
623 | Packs a new widget. | |
624 | ||
625 | W is the widget to add. XOPY, YOPT, XPAD and YPAD are as for Table. | |
626 | WIDTH is how many cells to take up horizontally. NEWLINEP is whether to | |
627 | start a new line for this widget. Returns W. | |
628 | """ | |
ca6eb20c | 629 | if newlinep: |
630 | me.row += 1 | |
631 | me.col = 0 | |
632 | bot = me.row + 1 | |
633 | right = me.col + width | |
634 | if bot > me.rows or right > me.cols: | |
635 | if bot > me.rows: me.rows = bot | |
636 | if right > me.cols: me.cols = right | |
637 | me.resize(me.rows, me.cols) | |
638 | me.attach(w, me.col, me.col + width, me.row, me.row + 1, | |
639 | xopt, yopt, xpad, ypad) | |
640 | me.col += width | |
641 | return w | |
984b6d33 | 642 | |
ca6eb20c | 643 | def labelled(me, lab, w, newlinep = False, **kw): |
984b6d33 MW |
644 | """ |
645 | Packs a labelled widget. | |
646 | ||
647 | Other arguments are as for pack. Returns W. | |
648 | """ | |
649 | label = G.Label(lab + ' ') | |
ca6eb20c | 650 | label.set_alignment(1.0, 0) |
651 | me.pack(label, newlinep = newlinep, xopt = G.FILL) | |
652 | me.pack(w, **kw) | |
653 | return w | |
984b6d33 | 654 | |
ca6eb20c | 655 | def info(me, label, text = None, len = 18, **kw): |
984b6d33 MW |
656 | """ |
657 | Packs an information widget with a label. | |
658 | ||
659 | LABEL is the label; TEXT is the initial text; LEN is the estimated length | |
660 | in characters. Returns the entry widget. | |
661 | """ | |
662 | e = G.Label() | |
ca6eb20c | 663 | if text is not None: e.set_text(text) |
664 | e.set_width_chars(len) | |
984b6d33 MW |
665 | e.set_selectable(True) |
666 | e.set_alignment(0.0, 0.5) | |
ca6eb20c | 667 | me.labelled(label, e, **kw) |
668 | return e | |
669 | ||
060ca767 | 670 | class WindowSlot (HookClient): |
984b6d33 MW |
671 | """ |
672 | A place to store a window -- specificially a MyWindowMixin. | |
673 | ||
674 | If the window is destroyed, remember this; when we come to open the window, | |
675 | raise it if it already exists; otherwise make a new one. | |
676 | """ | |
060ca767 | 677 | def __init__(me, createfunc): |
984b6d33 MW |
678 | """ |
679 | Constructor: CREATEFUNC must return a new Window which supports the | |
680 | closehook protocol. | |
681 | """ | |
060ca767 | 682 | HookClient.__init__(me) |
683 | me.createfunc = createfunc | |
684 | me.window = None | |
984b6d33 | 685 | |
060ca767 | 686 | def open(me): |
687 | """Opens the window, creating it if necessary.""" | |
688 | if me.window: | |
a69f4417 | 689 | raise_window(me.window) |
060ca767 | 690 | else: |
691 | me.window = me.createfunc() | |
692 | me.hook(me.window.closehook, me.closed) | |
984b6d33 | 693 | |
060ca767 | 694 | def closed(me): |
984b6d33 | 695 | """Handles the window being closed.""" |
060ca767 | 696 | me.unhook(me.window.closehook) |
697 | me.window = None | |
698 | ||
984b6d33 MW |
699 | class MyTreeView (G.TreeView): |
700 | def __init__(me, model): | |
701 | G.TreeView.__init__(me, model) | |
702 | me.set_rules_hint(True) | |
703 | ||
704 | class MyScrolledWindow (G.ScrolledWindow): | |
705 | def __init__(me): | |
706 | G.ScrolledWindow.__init__(me) | |
707 | me.set_policy(G.POLICY_AUTOMATIC, G.POLICY_AUTOMATIC) | |
708 | me.set_shadow_type(G.SHADOW_IN) | |
709 | ||
710 | ## Matches a signed integer. | |
711 | rx_num = RX.compile(r'^[-+]?\d+$') | |
712 | ||
713 | ## The colour red. | |
c739b22c | 714 | c_red = GDK.color_parse('#ff6666') |
984b6d33 | 715 | |
060ca767 | 716 | class ValidationError (Exception): |
717 | """Raised by ValidatingEntry.get_text() if the text isn't valid.""" | |
718 | pass | |
984b6d33 | 719 | |
060ca767 | 720 | class ValidatingEntry (G.Entry): |
984b6d33 MW |
721 | """ |
722 | Like an Entry, but makes the text go red if the contents are invalid. | |
723 | ||
724 | If get_text is called, and the text is invalid, ValidationError is raised. | |
725 | The attribute validp reflects whether the contents are currently valid. | |
726 | """ | |
727 | ||
060ca767 | 728 | def __init__(me, valid, text = '', size = -1, *arg, **kw): |
984b6d33 MW |
729 | """ |
730 | Make a validating Entry. | |
731 | ||
732 | VALID is a regular expression or a predicate on strings. TEXT is the | |
733 | default text to insert. SIZE is the size of the box to set, in | |
734 | characters (ish). Other arguments are passed to Entry. | |
735 | """ | |
060ca767 | 736 | G.Entry.__init__(me, *arg, **kw) |
c739b22c MW |
737 | me.connect("changed", me._check) |
738 | me.connect("state-changed", me._check) | |
060ca767 | 739 | if callable(valid): |
740 | me.validate = valid | |
741 | else: | |
742 | me.validate = RX.compile(valid).match | |
743 | me.ensure_style() | |
060ca767 | 744 | if size != -1: me.set_width_chars(size) |
745 | me.set_activates_default(True) | |
746 | me.set_text(text) | |
c739b22c | 747 | me._check() |
984b6d33 | 748 | |
c739b22c | 749 | def _check(me, *hunoz): |
984b6d33 | 750 | """Check the current text and update validp and the text colour.""" |
060ca767 | 751 | if me.validate(G.Entry.get_text(me)): |
752 | me.validp = True | |
a69f4417 | 753 | set_entry_bg(me, None) |
060ca767 | 754 | else: |
755 | me.validp = False | |
a69f4417 | 756 | set_entry_bg(me, me.is_sensitive() and c_red or None) |
984b6d33 | 757 | |
060ca767 | 758 | def get_text(me): |
984b6d33 MW |
759 | """ |
760 | Return the text in the Entry if it's valid. If it isn't, raise | |
761 | ValidationError. | |
762 | """ | |
060ca767 | 763 | if not me.validp: |
764 | raise ValidationError | |
765 | return G.Entry.get_text(me) | |
766 | ||
767 | def numericvalidate(min = None, max = None): | |
984b6d33 MW |
768 | """ |
769 | Return a validation function for numbers. | |
770 | ||
771 | Entry must consist of an optional sign followed by digits, and the | |
772 | resulting integer must be within the given bounds. | |
773 | """ | |
060ca767 | 774 | return lambda x: (rx_num.match(x) and |
775 | (min is None or long(x) >= min) and | |
776 | (max is None or long(x) <= max)) | |
777 | ||
984b6d33 MW |
778 | ###-------------------------------------------------------------------------- |
779 | ### Various minor dialog boxen. | |
060ca767 | 780 | |
781 | GPL = """This program is free software; you can redistribute it and/or modify | |
782 | it under the terms of the GNU General Public License as published by | |
783 | the Free Software Foundation; either version 2 of the License, or | |
784 | (at your option) any later version. | |
785 | ||
786 | This program is distributed in the hope that it will be useful, | |
787 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
788 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
789 | GNU General Public License for more details. | |
790 | ||
791 | You should have received a copy of the GNU General Public License | |
792 | along with this program; if not, write to the Free Software Foundation, | |
793 | Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.""" | |
794 | ||
795 | class AboutBox (G.AboutDialog, MyWindowMixin): | |
796 | """The program `About' box.""" | |
797 | def __init__(me): | |
798 | G.AboutDialog.__init__(me) | |
799 | me.mywininit() | |
800 | me.set_name('TrIPEmon') | |
984b6d33 | 801 | me.set_version(T.VERSION) |
060ca767 | 802 | me.set_license(GPL) |
984b6d33 MW |
803 | me.set_authors(['Mark Wooding <mdw@distorted.org.uk>']) |
804 | me.set_comments('A graphical monitor for the TrIPE VPN server') | |
805 | me.set_copyright('Copyright © 2006-2008 Straylight/Edgeware') | |
806 | me.connect('response', me.respond) | |
060ca767 | 807 | me.show() |
984b6d33 MW |
808 | def respond(me, hunoz, rid, *hukairz): |
809 | if rid == G.RESPONSE_CANCEL: | |
810 | me.close() | |
060ca767 | 811 | aboutbox = WindowSlot(AboutBox) |
812 | ||
813 | def moanbox(msg): | |
814 | """Report an error message in a window.""" | |
984b6d33 | 815 | d = G.Dialog('Error from %s' % M.quis, |
060ca767 | 816 | flags = G.DIALOG_MODAL, |
817 | buttons = ((G.STOCK_OK, G.RESPONSE_NONE))) | |
818 | label = G.Label(msg) | |
819 | label.set_padding(20, 20) | |
a69f4417 | 820 | d.vbox.pack_start(label, True, True, 0) |
060ca767 | 821 | label.show() |
822 | d.run() | |
823 | d.destroy() | |
824 | ||
ca6eb20c | 825 | def unimplemented(*hunoz): |
826 | """Indicator of laziness.""" | |
827 | moanbox("I've not written that bit yet.") | |
828 | ||
984b6d33 MW |
829 | ###-------------------------------------------------------------------------- |
830 | ### Logging windows. | |
ca6eb20c | 831 | |
984b6d33 MW |
832 | class LogModel (G.ListStore): |
833 | """ | |
834 | A simple list of log messages, usable as the model for a TreeView. | |
ca6eb20c | 835 | |
984b6d33 MW |
836 | The column headings are stored in the `cols' attribute. |
837 | """ | |
060ca767 | 838 | |
060ca767 | 839 | def __init__(me, columns): |
984b6d33 MW |
840 | """ |
841 | COLUMNS must be a list of column name strings. We add a time column to | |
842 | the left. | |
843 | """ | |
060ca767 | 844 | me.cols = ('Time',) + columns |
845 | G.ListStore.__init__(me, *((GO.TYPE_STRING,) * len(me.cols))) | |
984b6d33 | 846 | |
060ca767 | 847 | def add(me, *entries): |
984b6d33 MW |
848 | """ |
849 | Adds a new log message, with a timestamp. | |
850 | ||
851 | The ENTRIES are the contents for the list columns. | |
852 | """ | |
853 | now = TIME.strftime('%Y-%m-%d %H:%M:%S') | |
854 | me.append((now, ) + entries) | |
060ca767 | 855 | |
856 | class TraceLogModel (LogModel): | |
857 | """Log model for trace messages.""" | |
858 | def __init__(me): | |
859 | LogModel.__init__(me, ('Message',)) | |
860 | def notify(me, line): | |
861 | """Call with a new trace message.""" | |
862 | me.add(line) | |
863 | ||
864 | class WarningLogModel (LogModel): | |
984b6d33 MW |
865 | """ |
866 | Log model for warnings. | |
867 | ||
868 | We split the category out into a separate column. | |
869 | """ | |
060ca767 | 870 | def __init__(me): |
871 | LogModel.__init__(me, ('Category', 'Message')) | |
984b6d33 | 872 | def notify(me, tag, *rest): |
060ca767 | 873 | """Call with a new warning message.""" |
984b6d33 | 874 | me.add(tag, ' '.join([T.quotify(w) for w in rest])) |
060ca767 | 875 | |
876 | class LogViewer (MyWindow): | |
984b6d33 MW |
877 | """ |
878 | A log viewer window. | |
879 | ||
880 | Its contents are a TreeView showing the log. | |
881 | ||
882 | Attributes: | |
883 | ||
884 | * model: an appropriate LogModel | |
885 | * list: a TreeView widget to display the log | |
886 | """ | |
887 | ||
060ca767 | 888 | def __init__(me, model): |
984b6d33 MW |
889 | """ |
890 | Create a log viewer showing the LogModel MODEL. | |
891 | """ | |
060ca767 | 892 | MyWindow.__init__(me) |
893 | me.model = model | |
984b6d33 MW |
894 | scr = MyScrolledWindow() |
895 | me.list = MyTreeView(me.model) | |
060ca767 | 896 | i = 0 |
897 | for c in me.model.cols: | |
984b6d33 MW |
898 | crt = G.CellRendererText() |
899 | me.list.append_column(G.TreeViewColumn(c, crt, text = i)) | |
060ca767 | 900 | i += 1 |
984b6d33 | 901 | crt.set_property('family', 'monospace') |
060ca767 | 902 | me.set_default_size(440, 256) |
903 | scr.add(me.list) | |
904 | me.add(scr) | |
905 | me.show_all() | |
906 | ||
984b6d33 MW |
907 | ###-------------------------------------------------------------------------- |
908 | ### Pinging peers. | |
909 | ||
910 | class pingstate (struct): | |
911 | """ | |
912 | Information kept for each peer by the Pinger. | |
913 | ||
914 | Important attributes: | |
915 | ||
916 | * peer = the peer name | |
917 | * command = PING or EPING | |
918 | * n = how many pings we've sent so far | |
919 | * ngood = how many returned | |
920 | * nmiss = how many didn't return | |
921 | * nmissrun = how many pings since the last good one | |
922 | * tlast = round-trip time for the last (good) ping | |
923 | * ttot = total roung trip time | |
924 | """ | |
925 | pass | |
926 | ||
927 | class Pinger (T.Coroutine, HookClient): | |
928 | """ | |
929 | Coroutine which pings known peers and collects statistics. | |
930 | ||
931 | Interesting attributes: | |
932 | ||
933 | * _map: dict mapping peer names to Peer objects | |
934 | * _q: event queue for notifying pinger coroutine | |
935 | * _timer: gobject timer for waking the coroutine | |
936 | """ | |
937 | ||
938 | def __init__(me): | |
939 | """ | |
940 | Initialize the pinger. | |
941 | ||
942 | We watch the monitor's PeerList to track which peers we should ping. We | |
943 | maintain an event queue and put all the events on that. | |
944 | ||
945 | The statistics for a PEER are held in the Peer object, in PEER.ping[CMD], | |
946 | where CMD is 'PING' or 'EPING'. | |
947 | """ | |
948 | T.Coroutine.__init__(me) | |
949 | HookClient.__init__(me) | |
950 | me._map = {} | |
951 | me._q = T.Queue() | |
952 | me._timer = None | |
953 | me.hook(conn.connecthook, me._connected) | |
954 | me.hook(conn.disconnecthook, me._disconnected) | |
955 | me.hook(monitor.peers.addhook, | |
690a6ec1 | 956 | lambda p: T.defer(me._q.put, (p, 'ADD', None))) |
984b6d33 | 957 | me.hook(monitor.peers.delhook, |
690a6ec1 | 958 | lambda p: T.defer(me._q.put, (p, 'KILL', None))) |
984b6d33 MW |
959 | if conn.connectedp(): me.connected() |
960 | ||
961 | def _connected(me): | |
962 | """Respond to connection: start pinging thngs.""" | |
a69f4417 | 963 | me._timer = GL.timeout_add(1000, me._timerfunc) |
984b6d33 MW |
964 | |
965 | def _timerfunc(me): | |
966 | """Timer function: put a timer event on the queue.""" | |
967 | me._q.put((None, 'TIMER', None)) | |
968 | return True | |
969 | ||
970 | def _disconnected(me, reason): | |
971 | """Respond to disconnection: stop pinging.""" | |
a69f4417 | 972 | GL.source_remove(me._timer) |
984b6d33 MW |
973 | |
974 | def run(me): | |
975 | """ | |
976 | Coroutine function: read events from the queue and process them. | |
977 | ||
978 | Interesting events: | |
979 | ||
980 | * (PEER, 'KILL', None): remove PEER from the interesting peers list | |
981 | * (PEER, 'ADD', None): add PEER to the list | |
982 | * (PEER, 'INFO', TOKENS): result from a PING command | |
983 | * (None, 'TIMER', None): interval timer went off: send more pings | |
984 | """ | |
985 | while True: | |
986 | tag, code, stuff = me._q.get() | |
987 | if code == 'KILL': | |
988 | name = tag.name | |
989 | if name in me._map: | |
990 | del me._map[name] | |
991 | elif not conn.connectedp(): | |
992 | pass | |
993 | elif code == 'ADD': | |
994 | p = tag | |
995 | p.ping = {} | |
996 | for cmd in 'PING', 'EPING': | |
997 | ps = pingstate(command = cmd, peer = p, | |
998 | n = 0, ngood = 0, nmiss = 0, nmissrun = 0, | |
999 | tlast = 0, ttot = 0) | |
1000 | p.ping[cmd] = ps | |
1001 | me._map[p.name] = p | |
1002 | elif code == 'INFO': | |
1003 | ps = tag | |
1004 | if stuff[0] == 'ping-ok': | |
1005 | t = float(stuff[1]) | |
1006 | ps.ngood += 1 | |
1007 | ps.nmissrun = 0 | |
1008 | ps.tlast = t | |
1009 | ps.ttot += t | |
1010 | else: | |
1011 | ps.nmiss += 1 | |
1012 | ps.nmissrun += 1 | |
1013 | ps.n += 1 | |
1014 | ps.peer.pinghook.run(ps.peer, ps.command, ps) | |
1015 | elif code == 'TIMER': | |
1016 | for name, p in me._map.iteritems(): | |
1017 | for cmd, ps in p.ping.iteritems(): | |
1018 | conn.rawcommand(T.TripeAsynchronousCommand(me._q, ps, [ | |
1019 | cmd, '-background', conn.bgtag(), '--', name])) | |
1020 | ||
1021 | ###-------------------------------------------------------------------------- | |
1022 | ### Random dialogue boxes. | |
1023 | ||
1024 | class AddPeerDialog (MyDialog): | |
1025 | """ | |
1026 | Let the user create a new peer the low-level way. | |
1027 | ||
1028 | Interesting attributes: | |
1029 | ||
1030 | * e_name, e_addr, e_port, c_keepalive, l_tunnel: widgets in the dialog | |
1031 | """ | |
1032 | ||
1033 | def __init__(me): | |
1034 | """Initialize the dialogue.""" | |
1035 | MyDialog.__init__(me, 'Add peer', | |
1036 | buttons = [(G.STOCK_CANCEL, me.destroy), | |
1037 | (G.STOCK_OK, me.ok)]) | |
1038 | me._setup() | |
1039 | ||
1040 | @incr | |
1041 | def _setup(me): | |
1042 | """Coroutine function: background setup for AddPeerDialog.""" | |
1043 | table = GridPacker() | |
a69f4417 | 1044 | me.vbox.pack_start(table, True, True, 0) |
984b6d33 MW |
1045 | me.e_name = table.labelled('Name', |
1046 | ValidatingEntry(r'^[^\s.:]+$', '', 16), | |
1047 | width = 3) | |
1048 | me.e_addr = table.labelled('Address', | |
1049 | ValidatingEntry(r'^[a-zA-Z0-9.-]+$', '', 24), | |
1050 | newlinep = True) | |
1051 | me.e_port = table.labelled('Port', | |
1052 | ValidatingEntry(numericvalidate(0, 65535), | |
1053 | '4070', | |
1054 | 5)) | |
1055 | me.c_keepalive = G.CheckButton('Keepalives') | |
a69f4417 | 1056 | me.l_tunnel = table.labelled('Tunnel', combo_box_text(), |
984b6d33 MW |
1057 | newlinep = True, width = 3) |
1058 | me.tuns = conn.tunnels() | |
1059 | for t in me.tuns: | |
1060 | me.l_tunnel.append_text(t) | |
1061 | me.l_tunnel.set_active(0) | |
1062 | table.pack(me.c_keepalive, newlinep = True, xopt = G.FILL) | |
1063 | me.c_keepalive.connect('toggled', | |
1064 | lambda t: me.e_keepalive.set_sensitive\ | |
1065 | (t.get_active())) | |
1066 | me.e_keepalive = ValidatingEntry(r'^\d+[hms]?$', '', 5) | |
1067 | me.e_keepalive.set_sensitive(False) | |
1068 | table.pack(me.e_keepalive, width = 3) | |
1069 | me.show_all() | |
1070 | ||
1071 | def ok(me): | |
1072 | """Handle an OK press: create the peer.""" | |
1073 | try: | |
1074 | if me.c_keepalive.get_active(): | |
1075 | ka = me.e_keepalive.get_text() | |
1076 | else: | |
1077 | ka = None | |
1078 | t = me.l_tunnel.get_active() | |
1079 | if t == 0: | |
1080 | tun = None | |
1081 | else: | |
1082 | tun = me.tuns[t] | |
1083 | me._addpeer(me.e_name.get_text(), | |
1084 | me.e_addr.get_text(), | |
1085 | me.e_port.get_text(), | |
1086 | ka, | |
1087 | tun) | |
1088 | except ValidationError: | |
1089 | GDK.beep() | |
1090 | return | |
1091 | ||
1092 | @incr | |
1093 | def _addpeer(me, name, addr, port, keepalive, tunnel): | |
1094 | """Coroutine function: actually do the ADD command.""" | |
1095 | try: | |
1096 | conn.add(name, addr, port, keepalive = keepalive, tunnel = tunnel) | |
1097 | me.destroy() | |
1098 | except T.TripeError, exc: | |
690a6ec1 | 1099 | T.defer(moanbox, ' '.join(exc)) |
984b6d33 MW |
1100 | |
1101 | class ServInfo (MyWindow): | |
1102 | """ | |
1103 | Show information about the server and available services. | |
1104 | ||
1105 | Interesting attributes: | |
1106 | ||
1107 | * e: maps SERVINFO keys to entry widgets | |
1108 | * svcs: Gtk ListStore describing services (columns are name and version) | |
1109 | """ | |
1110 | ||
1111 | def __init__(me): | |
1112 | MyWindow.__init__(me) | |
1113 | me.set_title('TrIPE server info') | |
1114 | table = GridPacker() | |
1115 | me.add(table) | |
1116 | me.e = {} | |
1117 | def add(label, tag, text = None, **kw): | |
1118 | me.e[tag] = table.info(label, text, **kw) | |
1119 | add('Implementation', 'implementation') | |
1120 | add('Version', 'version', newlinep = True) | |
1121 | me.svcs = G.ListStore(*(GO.TYPE_STRING,) * 2) | |
1122 | me.svcs.set_sort_column_id(0, G.SORT_ASCENDING) | |
1123 | scr = MyScrolledWindow() | |
1124 | lb = MyTreeView(me.svcs) | |
1125 | i = 0 | |
1126 | for title in 'Service', 'Version': | |
1127 | lb.append_column(G.TreeViewColumn( | |
1128 | title, G.CellRendererText(), text = i)) | |
1129 | i += 1 | |
1130 | for svc in monitor.services: | |
1131 | me.svcs.append([svc.name, svc.version]) | |
1132 | scr.add(lb) | |
1133 | table.pack(scr, width = 2, newlinep = True, | |
1134 | yopt = G.EXPAND | G.FILL | G.SHRINK) | |
1135 | me.update() | |
1136 | me.hook(conn.connecthook, me.update) | |
1137 | me.hook(monitor.services.addhook, me.addsvc) | |
1138 | me.hook(monitor.services.delhook, me.delsvc) | |
1139 | me.show_all() | |
1140 | ||
1141 | def addsvc(me, svc): | |
1142 | me.svcs.append([svc.name, svc.version]) | |
1143 | ||
1144 | def delsvc(me, svc): | |
1145 | for i in xrange(len(me.svcs)): | |
1146 | if me.svcs[i][0] == svc.name: | |
1147 | me.svcs.remove(me.svcs.get_iter(i)) | |
1148 | break | |
1149 | @incr | |
1150 | def update(me): | |
1151 | info = conn.servinfo() | |
1152 | for i in me.e: | |
1153 | me.e[i].set_text(info[i]) | |
1154 | ||
1155 | class TraceOptions (MyDialog): | |
1156 | """Tracing options window.""" | |
1157 | def __init__(me): | |
1158 | MyDialog.__init__(me, title = 'Tracing options', | |
1159 | buttons = [(G.STOCK_CLOSE, me.destroy), | |
1160 | (G.STOCK_OK, cr(me.ok))]) | |
1161 | me._setup() | |
1162 | ||
1163 | @incr | |
1164 | def _setup(me): | |
1165 | me.opts = [] | |
1166 | for ch, st, desc in conn.trace(): | |
1167 | if ch.isupper(): continue | |
1168 | text = desc[0].upper() + desc[1:] | |
1169 | ticky = G.CheckButton(text) | |
1170 | ticky.set_active(st == '+') | |
a69f4417 | 1171 | me.vbox.pack_start(ticky, True, True, 0) |
984b6d33 MW |
1172 | me.opts.append((ch, ticky)) |
1173 | me.show_all() | |
1174 | def ok(me): | |
1175 | on = [] | |
1176 | off = [] | |
1177 | for ch, ticky in me.opts: | |
1178 | if ticky.get_active(): | |
1179 | on.append(ch) | |
1180 | else: | |
1181 | off.append(ch) | |
1182 | setting = ''.join(on) + '-' + ''.join(off) | |
1183 | conn.trace(setting) | |
1184 | me.destroy() | |
1185 | ||
1186 | ###-------------------------------------------------------------------------- | |
1187 | ### Peer window. | |
060ca767 | 1188 | |
1189 | def xlate_time(t): | |
984b6d33 | 1190 | """Translate a TrIPE-format time to something human-readable.""" |
060ca767 | 1191 | if t == 'NEVER': return '(never)' |
37941236 | 1192 | YY, MM, DD, hh, mm, ss = map(int, rx_time.match(t).group(1, 2, 3, 4, 5, 6)) |
984b6d33 MW |
1193 | ago = TIME.time() - TIME.mktime((YY, MM, DD, hh, mm, ss, 0, 0, -1)) |
1194 | ago = MATH.floor(ago); unit = 's' | |
37941236 | 1195 | for n, u in [(60, 'min'), (60, 'hrs'), (24, 'days')]: |
1196 | if ago < 2*n: break | |
1197 | ago /= n | |
1198 | unit = u | |
1199 | return '%04d:%02d:%02d %02d:%02d:%02d (%.1f %s ago)' % \ | |
1200 | (YY, MM, DD, hh, mm, ss, ago, unit) | |
060ca767 | 1201 | def xlate_bytes(b): |
1202 | """Translate a number of bytes into something a human might want to read.""" | |
1203 | suff = 'B' | |
1204 | b = int(b) | |
1205 | for s in 'KMG': | |
1206 | if b < 4096: break | |
1207 | b /= 1024 | |
1208 | suff = s | |
1209 | return '%d %s' % (b, suff) | |
1210 | ||
1211 | ## How to translate peer stats. Maps the stat name to a translation | |
1212 | ## function. | |
1213 | statsxlate = \ | |
1214 | [('start-time', xlate_time), | |
1215 | ('last-packet-time', xlate_time), | |
1216 | ('last-keyexch-time', xlate_time), | |
1217 | ('bytes-in', xlate_bytes), | |
1218 | ('bytes-out', xlate_bytes), | |
1219 | ('keyexch-bytes-in', xlate_bytes), | |
1220 | ('keyexch-bytes-out', xlate_bytes), | |
1221 | ('ip-bytes-in', xlate_bytes), | |
1222 | ('ip-bytes-out', xlate_bytes)] | |
1223 | ||
1224 | ## How to lay out the stats dialog. Format is (LABEL, FORMAT): LABEL is | |
1225 | ## the label to give the entry box; FORMAT is the format string to write into | |
1226 | ## the entry. | |
1227 | statslayout = \ | |
1228 | [('Start time', '%(start-time)s'), | |
1229 | ('Last key-exchange', '%(last-keyexch-time)s'), | |
1230 | ('Last packet', '%(last-packet-time)s'), | |
1231 | ('Packets in/out', | |
1232 | '%(packets-in)s (%(bytes-in)s) / %(packets-out)s (%(bytes-out)s)'), | |
1233 | ('Key-exchange in/out', | |
1234 | '%(keyexch-packets-in)s (%(keyexch-bytes-in)s) / %(keyexch-packets-out)s (%(keyexch-bytes-out)s)'), | |
1235 | ('IP in/out', | |
984b6d33 | 1236 | '%(ip-packets-in)s (%(ip-bytes-in)s) / %(ip-packets-out)s (%(ip-bytes-out)s)'), |
060ca767 | 1237 | ('Rejected packets', '%(rejected-packets)s')] |
1238 | ||
1239 | class PeerWindow (MyWindow): | |
984b6d33 MW |
1240 | """ |
1241 | Show information about a peer. | |
1242 | ||
1243 | This gives a graphical view of the server's peer statistics. | |
1244 | ||
1245 | Interesting attributes: | |
1246 | ||
1247 | * e: dict mapping keys (mostly matching label widget texts, though pings | |
1248 | use command names) to entry widgets so that we can update them easily | |
1249 | * peer: the peer this window shows information about | |
1250 | * cr: the info-fetching coroutine, or None if crrrently disconnected | |
1251 | * doupate: whether the info-fetching corouting should continue running | |
1252 | """ | |
1253 | ||
1254 | def __init__(me, peer): | |
1255 | """Construct a PeerWindow, showing information about PEER.""" | |
1256 | ||
060ca767 | 1257 | MyWindow.__init__(me) |
1258 | me.set_title('TrIPE statistics: %s' % peer.name) | |
060ca767 | 1259 | me.peer = peer |
984b6d33 | 1260 | |
060ca767 | 1261 | table = GridPacker() |
1262 | me.add(table) | |
984b6d33 MW |
1263 | |
1264 | ## Utility for adding fields. | |
060ca767 | 1265 | me.e = {} |
984b6d33 MW |
1266 | def add(label, text = None, key = None): |
1267 | if key is None: key = label | |
1268 | me.e[key] = table.info(label, text, len = 42, newlinep = True) | |
1269 | ||
1270 | ## Build the dialogue box. | |
060ca767 | 1271 | add('Peer name', peer.name) |
1272 | add('Tunnel', peer.tunnel) | |
1273 | add('Interface', peer.ifname) | |
1274 | add('Keepalives', | |
1275 | (peer.keepalive == '0' and 'never') or '%s s' % peer.keepalive) | |
1276 | add('Address', peer.addr) | |
984b6d33 MW |
1277 | add('Transport pings', key = 'PING') |
1278 | add('Encrypted pings', key = 'EPING') | |
1279 | ||
1280 | for label, format in statslayout: | |
1281 | add(label) | |
1282 | ||
1283 | ## Hook onto various interesting events. | |
1284 | me.hook(conn.connecthook, me.tryupdate) | |
1285 | me.hook(conn.disconnecthook, me.stopupdate) | |
060ca767 | 1286 | me.hook(me.closehook, me.stopupdate) |
1287 | me.hook(me.peer.deadhook, me.dead) | |
984b6d33 | 1288 | me.hook(me.peer.changehook, me.change) |
060ca767 | 1289 | me.hook(me.peer.pinghook, me.ping) |
984b6d33 MW |
1290 | me.cr = None |
1291 | me.doupdate = True | |
060ca767 | 1292 | me.tryupdate() |
984b6d33 MW |
1293 | |
1294 | ## Format the ping statistics. | |
1295 | for cmd, ps in me.peer.ping.iteritems(): | |
1296 | me.ping(me.peer, cmd, ps) | |
1297 | ||
1298 | ## And show the window. | |
060ca767 | 1299 | me.show_all() |
984b6d33 MW |
1300 | |
1301 | def change(me): | |
1302 | """Update the display in response to a notification.""" | |
1303 | me.e['Interface'].set_text(me.peer.ifname) | |
1304 | ||
1305 | def _update(me): | |
1306 | """ | |
1307 | Main display-updating coroutine. | |
1308 | ||
1309 | This does an update, sleeps for a while, and starts again. If the | |
1310 | me.doupdate flag goes low, we stop the loop. | |
1311 | """ | |
1312 | while me.peer.alivep and conn.connectedp() and me.doupdate: | |
1313 | stat = conn.stats(me.peer.name) | |
1314 | for s, trans in statsxlate: | |
1315 | stat[s] = trans(stat[s]) | |
1316 | for label, format in statslayout: | |
1317 | me.e[label].set_text(format % stat) | |
a69f4417 | 1318 | GL.timeout_add(1000, lambda: me.cr.switch() and False) |
984b6d33 MW |
1319 | me.cr.parent.switch() |
1320 | me.cr = None | |
1321 | ||
060ca767 | 1322 | def tryupdate(me): |
984b6d33 MW |
1323 | """Start the updater coroutine, if it's not going already.""" |
1324 | if me.cr is None: | |
22b47552 MW |
1325 | me.cr = T.Coroutine(me._update, |
1326 | name = 'update-peer-window %s' % me.peer.name) | |
984b6d33 MW |
1327 | me.cr.switch() |
1328 | ||
1329 | def stopupdate(me, *hunoz, **hukairz): | |
1330 | """Stop the update coroutine, by setting me.doupdate.""" | |
1331 | me.doupdate = False | |
1332 | ||
060ca767 | 1333 | def dead(me): |
984b6d33 | 1334 | """Called when the peer is killed.""" |
060ca767 | 1335 | me.set_title('TrIPE statistics: %s [defunct]' % me.peer.name) |
1336 | me.e['Peer name'].set_text('%s [defunct]' % me.peer.name) | |
1337 | me.stopupdate() | |
060ca767 | 1338 | |
984b6d33 MW |
1339 | def ping(me, peer, cmd, ps): |
1340 | """Called when a ping result for the peer is reported.""" | |
1341 | s = '%d/%d' % (ps.ngood, ps.n) | |
1342 | if ps.n: | |
1343 | s += ' (%.1f%%)' % (ps.ngood * 100.0/ps.n) | |
1344 | if ps.ngood: | |
1345 | s += '; %.2f ms (last %.1f ms)' % (ps.ttot/ps.ngood, ps.tlast); | |
1346 | me.e[ps.command].set_text(s) | |
1347 | ||
1348 | ###-------------------------------------------------------------------------- | |
1349 | ### Cryptographic status. | |
1350 | ||
1351 | class CryptoInfo (MyWindow): | |
1352 | """Simple display of cryptographic algorithms in use.""" | |
1353 | def __init__(me): | |
1354 | MyWindow.__init__(me) | |
1355 | me.set_title('Cryptographic algorithms') | |
690a6ec1 | 1356 | T.aside(me.populate) |
984b6d33 | 1357 | def populate(me): |
060ca767 | 1358 | table = GridPacker() |
984b6d33 | 1359 | me.add(table) |
060ca767 | 1360 | |
984b6d33 MW |
1361 | crypto = conn.algs() |
1362 | table.info('Diffie-Hellman group', | |
1363 | '%s (%d-bit order, %d-bit elements)' % | |
1364 | (crypto['kx-group'], | |
1365 | int(crypto['kx-group-order-bits']), | |
1366 | int(crypto['kx-group-elt-bits'])), | |
1367 | len = 32) | |
1368 | table.info('Data encryption', | |
1369 | '%s (%d-bit key; %s)' % | |
1370 | (crypto['cipher'], | |
1371 | int(crypto['cipher-keysz']) * 8, | |
1372 | crypto['cipher-blksz'] == '0' | |
1373 | and 'stream cipher' | |
1374 | or '%d-bit block' % (int(crypto['cipher-blksz']) * 8)), | |
1375 | newlinep = True) | |
1376 | table.info('Message authentication', | |
1377 | '%s (%d-bit key; %d-bit tag)' % | |
1378 | (crypto['mac'], | |
1379 | int(crypto['mac-keysz']) * 8, | |
1380 | int(crypto['mac-tagsz']) * 8), | |
1381 | newlinep = True) | |
1382 | table.info('Hash function', | |
1383 | '%s (%d-bit output)' % | |
1384 | (crypto['hash'], | |
1385 | int(crypto['hash-sz']) * 8), | |
1386 | newlinep = True) | |
060ca767 | 1387 | |
984b6d33 MW |
1388 | me.show_all() |
1389 | ||
1390 | ###-------------------------------------------------------------------------- | |
1391 | ### Main monitor window. | |
060ca767 | 1392 | |
1393 | class MonitorWindow (MyWindow): | |
1394 | ||
984b6d33 MW |
1395 | """ |
1396 | The main monitor window. | |
1397 | ||
1398 | This class creates, populates and maintains the main monitor window. | |
1399 | ||
1400 | Lots of attributes: | |
1401 | ||
1402 | * warnings, trace: log models for server output | |
1403 | * warnview, traceview, traceopts, addpeerwin, cryptoinfo, servinfo: | |
1404 | WindowSlot objects for ancillary windows | |
1405 | * ui: Gtk UIManager object for the menu system | |
1406 | * apmenu: pair of identical autoconnecting peer menus | |
1407 | * listmodel: Gtk ListStore for connected peers; contains peer name, | |
1408 | address, and ping times (transport and encrypted, value and colour) | |
1409 | * status: Gtk Statusbar at the bottom of the window | |
1410 | * _kidding: an unpleasant backchannel between the apchange method (which | |
1411 | builds the apmenus) and the menu handler, forced on us by a Gtk | |
1412 | misfeature | |
1413 | ||
1414 | Also installs attributes on Peer objects: | |
1415 | ||
1416 | * i: index of peer's entry in listmodel | |
1417 | * win: WindowSlot object for the peer's PeerWindow | |
1418 | """ | |
1419 | ||
1420 | def __init__(me): | |
1421 | """Construct the window.""" | |
1422 | ||
1423 | ## Basic stuff. | |
060ca767 | 1424 | MyWindow.__init__(me) |
1425 | me.set_title('TrIPE monitor') | |
984b6d33 MW |
1426 | |
1427 | ## Hook onto diagnostic outputs. | |
060ca767 | 1428 | me.warnings = WarningLogModel() |
984b6d33 | 1429 | me.hook(conn.warnhook, me.warnings.notify) |
060ca767 | 1430 | me.trace = TraceLogModel() |
984b6d33 | 1431 | me.hook(conn.tracehook, me.trace.notify) |
060ca767 | 1432 | |
984b6d33 | 1433 | ## Make slots to store the various ancillary singleton windows. |
060ca767 | 1434 | me.warnview = WindowSlot(lambda: LogViewer(me.warnings)) |
1435 | me.traceview = WindowSlot(lambda: LogViewer(me.trace)) | |
984b6d33 MW |
1436 | me.traceopts = WindowSlot(lambda: TraceOptions()) |
1437 | me.addpeerwin = WindowSlot(lambda: AddPeerDialog()) | |
1438 | me.cryptoinfo = WindowSlot(lambda: CryptoInfo()) | |
1439 | me.servinfo = WindowSlot(lambda: ServInfo()) | |
060ca767 | 1440 | |
984b6d33 | 1441 | ## Main window structure. |
060ca767 | 1442 | vbox = G.VBox() |
1443 | me.add(vbox) | |
1444 | ||
984b6d33 | 1445 | ## UI manager makes our menus. (We're too cheap to have a toolbar.) |
060ca767 | 1446 | me.ui = G.UIManager() |
1447 | actgroup = makeactiongroup('monitor', | |
1448 | [('file-menu', '_File', None, None), | |
984b6d33 MW |
1449 | ('connect', '_Connect', '<Control>C', conn.connect), |
1450 | ('disconnect', '_Disconnect', '<Control>D', | |
1451 | lambda: conn.disconnect(None)), | |
1452 | ('quit', '_Quit', '<Control>Q', me.close), | |
060ca767 | 1453 | ('server-menu', '_Server', None, None), |
984b6d33 MW |
1454 | ('daemon', 'Run in _background', None, cr(conn.daemon)), |
1455 | ('server-version', 'Server version', '<Control>V', me.servinfo.open), | |
1456 | ('crypto-algs', 'Cryptographic algorithms', | |
1457 | '<Control>Y', me.cryptoinfo.open), | |
1458 | ('reload-keys', 'Reload keys', '<Control>R', cr(conn.reload)), | |
1459 | ('server-quit', 'Terminate server', None, cr(conn.quit)), | |
1460 | ('conn-peer', 'Connect peer', None, None), | |
060ca767 | 1461 | ('logs-menu', '_Logs', None, None), |
984b6d33 MW |
1462 | ('show-warnings', 'Show _warnings', '<Control>W', me.warnview.open), |
1463 | ('show-trace', 'Show _trace', '<Control>T', me.traceview.open), | |
060ca767 | 1464 | ('trace-options', 'Trace _options...', None, me.traceopts.open), |
1465 | ('help-menu', '_Help', None, None), | |
1466 | ('about', '_About tripemon...', None, aboutbox.open), | |
984b6d33 | 1467 | ('add-peer', '_Add peer...', '<Control>A', me.addpeerwin.open), |
060ca767 | 1468 | ('kill-peer', '_Kill peer', None, me.killpeer), |
1469 | ('force-kx', 'Force key e_xchange', None, me.forcekx)]) | |
984b6d33 MW |
1470 | |
1471 | ## Menu structures. | |
060ca767 | 1472 | uidef = ''' |
1473 | <ui> | |
1474 | <menubar> | |
1475 | <menu action="file-menu"> | |
1476 | <menuitem action="quit"/> | |
1477 | </menu> | |
1478 | <menu action="server-menu"> | |
984b6d33 | 1479 | <menuitem action="connect"/> |
060ca767 | 1480 | <menuitem action="disconnect"/> |
1481 | <separator/> | |
ca6eb20c | 1482 | <menuitem action="server-version"/> |
984b6d33 | 1483 | <menuitem action="crypto-algs"/> |
060ca767 | 1484 | <menuitem action="add-peer"/> |
984b6d33 | 1485 | <menuitem action="conn-peer"/> |
060ca767 | 1486 | <menuitem action="daemon"/> |
ca6eb20c | 1487 | <menuitem action="reload-keys"/> |
060ca767 | 1488 | <separator/> |
1489 | <menuitem action="server-quit"/> | |
1490 | </menu> | |
1491 | <menu action="logs-menu"> | |
1492 | <menuitem action="show-warnings"/> | |
1493 | <menuitem action="show-trace"/> | |
1494 | <menuitem action="trace-options"/> | |
1495 | </menu> | |
1496 | <menu action="help-menu"> | |
1497 | <menuitem action="about"/> | |
1498 | </menu> | |
1499 | </menubar> | |
1500 | <popup name="peer-popup"> | |
1501 | <menuitem action="add-peer"/> | |
984b6d33 | 1502 | <menuitem action="conn-peer"/> |
060ca767 | 1503 | <menuitem action="kill-peer"/> |
1504 | <menuitem action="force-kx"/> | |
1505 | </popup> | |
1506 | </ui> | |
1507 | ''' | |
984b6d33 MW |
1508 | |
1509 | ## Populate the UI manager. | |
060ca767 | 1510 | me.ui.insert_action_group(actgroup, 0) |
1511 | me.ui.add_ui_from_string(uidef) | |
984b6d33 MW |
1512 | |
1513 | ## Construct the menu bar. | |
a69f4417 | 1514 | vbox.pack_start(me.ui.get_widget('/menubar'), False, True, 0) |
060ca767 | 1515 | me.add_accel_group(me.ui.get_accel_group()) |
060ca767 | 1516 | |
984b6d33 MW |
1517 | ## Construct and attach the auto-peers menu. (This is a horrible bodge |
1518 | ## because we can't attach the same submenu in two different places.) | |
1519 | me.apmenu = G.Menu(), G.Menu() | |
1520 | me.ui.get_widget('/menubar/server-menu/conn-peer') \ | |
1521 | .set_submenu(me.apmenu[0]) | |
1522 | me.ui.get_widget('/peer-popup/conn-peer').set_submenu(me.apmenu[1]) | |
1523 | ||
1524 | ## Construct the main list model, and listen on hooks which report | |
1525 | ## changes to the available peers. | |
060ca767 | 1526 | me.listmodel = G.ListStore(*(GO.TYPE_STRING,) * 6) |
1527 | me.listmodel.set_sort_column_id(0, G.SORT_ASCENDING) | |
984b6d33 MW |
1528 | me.hook(monitor.peers.addhook, me.addpeer) |
1529 | me.hook(monitor.peers.delhook, me.delpeer) | |
1530 | me.hook(monitor.autopeershook, me.apchange) | |
060ca767 | 1531 | |
984b6d33 MW |
1532 | ## Construct the list viewer and put it in a scrolling window. |
1533 | scr = MyScrolledWindow() | |
1534 | me.list = MyTreeView(me.listmodel) | |
060ca767 | 1535 | me.list.append_column(G.TreeViewColumn('Peer name', |
1536 | G.CellRendererText(), | |
1537 | text = 0)) | |
1538 | me.list.append_column(G.TreeViewColumn('Address', | |
1539 | G.CellRendererText(), | |
1540 | text = 1)) | |
1541 | me.list.append_column(G.TreeViewColumn('T-ping', | |
1542 | G.CellRendererText(), | |
1543 | text = 2, | |
1544 | foreground = 3)) | |
1545 | me.list.append_column(G.TreeViewColumn('E-ping', | |
1546 | G.CellRendererText(), | |
1547 | text = 4, | |
1548 | foreground = 5)) | |
1549 | me.list.get_column(1).set_expand(True) | |
1550 | me.list.connect('row-activated', me.activate) | |
1551 | me.list.connect('button-press-event', me.buttonpress) | |
1552 | me.list.set_reorderable(True) | |
1553 | me.list.get_selection().set_mode(G.SELECTION_NONE) | |
1554 | scr.add(me.list) | |
a69f4417 | 1555 | vbox.pack_start(scr, True, True, 0) |
060ca767 | 1556 | |
984b6d33 MW |
1557 | ## Construct the status bar, and listen on hooks which report changes to |
1558 | ## connection status. | |
1559 | me.status = G.Statusbar() | |
a69f4417 | 1560 | vbox.pack_start(me.status, False, True, 0) |
984b6d33 MW |
1561 | me.hook(conn.connecthook, cr(me.connected)) |
1562 | me.hook(conn.disconnecthook, me.disconnected) | |
1563 | me.hook(conn.notehook, me.notify) | |
1564 | ||
1565 | ## Set a plausible default window size. | |
1566 | me.set_default_size(512, 180) | |
060ca767 | 1567 | |
1568 | def addpeer(me, peer): | |
984b6d33 | 1569 | """Hook: announces that PEER has been added.""" |
060ca767 | 1570 | peer.i = me.listmodel.append([peer.name, peer.addr, |
1571 | '???', 'green', '???', 'green']) | |
984b6d33 MW |
1572 | peer.win = WindowSlot(lambda: PeerWindow(peer)) |
1573 | me.hook(peer.pinghook, me._ping) | |
1574 | me.apchange() | |
1575 | ||
060ca767 | 1576 | def delpeer(me, peer): |
984b6d33 | 1577 | """Hook: announces that PEER has been removed.""" |
060ca767 | 1578 | me.listmodel.remove(peer.i) |
984b6d33 MW |
1579 | me.unhook(peer.pinghook) |
1580 | me.apchange() | |
1581 | ||
060ca767 | 1582 | def path_peer(me, path): |
984b6d33 MW |
1583 | """Return the peer corresponding to a given list-model PATH.""" |
1584 | return monitor.peers[me.listmodel[path][0]] | |
1585 | ||
1586 | def apchange(me): | |
1587 | """ | |
1588 | Hook: announces that a change has been made to the peers available for | |
1589 | automated connection. | |
1590 | ||
1591 | This populates both auto-peer menus and keeps them in sync. (As | |
1592 | mentioned above, we can't attach the same submenu to two separate parent | |
1593 | menu items. So we end up with two identical menus instead. Yes, this | |
1594 | does suck.) | |
1595 | """ | |
1596 | ||
1597 | ## The set_active method of a CheckMenuItem works by maybe activating the | |
1598 | ## menu item. This signals our handler. But we don't actually want to | |
1599 | ## signal the handler unless the user actually frobbed the item. So the | |
1600 | ## _kidding flag is used as an underhanded way of telling the handler | |
1601 | ## that we don't actually want it to do anything. Of course, this sucks | |
1602 | ## mightily. | |
1603 | me._kidding = True | |
1604 | ||
1605 | ## Iterate over the two menus. | |
1606 | for m in 0, 1: | |
1607 | menu = me.apmenu[m] | |
1608 | existing = menu.get_children() | |
1609 | if monitor.autopeers is None: | |
1610 | ||
1611 | ## No peers, so empty out the menu. | |
1612 | for item in existing: | |
1613 | menu.remove(item) | |
1614 | ||
1615 | else: | |
1616 | ||
1617 | ## Insert the new items into the menu. (XXX this seems buggy XXX) | |
37bc5549 | 1618 | ## Tick the peers which are actually connected. |
984b6d33 MW |
1619 | i = j = 0 |
1620 | for peer in monitor.autopeers: | |
1621 | if j < len(existing) and \ | |
1622 | existing[j].get_child().get_text() == peer: | |
1623 | item = existing[j] | |
1624 | j += 1 | |
1625 | else: | |
1626 | item = G.CheckMenuItem(peer, use_underline = False) | |
1627 | item.connect('activate', invoker(me._addautopeer, peer)) | |
1628 | menu.insert(item, i) | |
1629 | item.set_active(peer in monitor.peers.table) | |
1630 | i += 1 | |
1631 | ||
1632 | ## Make all the menu items visible. | |
1633 | menu.show_all() | |
1634 | ||
1635 | ## Set the parent menu items sensitive if and only if there are any peers | |
1636 | ## to connect. | |
1637 | for name in ['/menubar/server-menu/conn-peer', '/peer-popup/conn-peer']: | |
1638 | me.ui.get_widget(name).set_sensitive(bool(monitor.autopeers)) | |
1639 | ||
1640 | ## And now allow the handler to do its business normally. | |
1641 | me._kidding = False | |
1642 | ||
1643 | def _addautopeer(me, peer): | |
1644 | """ | |
1645 | Automatically connect an auto-peer. | |
1646 | ||
1647 | This method is invoked from the main coroutine. Since the actual | |
1648 | connection needs to issue administration commands, we must spawn a new | |
1649 | child coroutine for it. | |
1650 | """ | |
1651 | if me._kidding: | |
1652 | return | |
22b47552 MW |
1653 | T.Coroutine(me._addautopeer_hack, |
1654 | name = '_addautopeerhack %s' % peer).switch(peer) | |
984b6d33 MW |
1655 | |
1656 | def _addautopeer_hack(me, peer): | |
1657 | """Make an automated connection to PEER in response to a user click.""" | |
1658 | if me._kidding: | |
1659 | return | |
1660 | try: | |
1661 | T._simple(conn.svcsubmit('connect', 'active', peer)) | |
1662 | except T.TripeError, exc: | |
690a6ec1 | 1663 | T.defer(moanbox, ' '.join(exc.args)) |
984b6d33 | 1664 | me.apchange() |
060ca767 | 1665 | |
1666 | def activate(me, l, path, col): | |
984b6d33 MW |
1667 | """ |
1668 | Handle a double-click on a peer in the main list: open a PeerInfo window. | |
1669 | """ | |
060ca767 | 1670 | peer = me.path_peer(path) |
1671 | peer.win.open() | |
984b6d33 | 1672 | |
060ca767 | 1673 | def buttonpress(me, l, ev): |
984b6d33 MW |
1674 | """ |
1675 | Handle a mouse click on the main list. | |
1676 | ||
1677 | Currently we're only interested in button-3, which pops up the peer menu. | |
1678 | For future reference, we stash the peer that was clicked in me.menupeer. | |
1679 | """ | |
060ca767 | 1680 | if ev.button == 3: |
984b6d33 MW |
1681 | x, y = int(ev.x), int(ev.y) |
1682 | r = me.list.get_path_at_pos(x, y) | |
060ca767 | 1683 | for i in '/peer-popup/kill-peer', '/peer-popup/force-kx': |
984b6d33 | 1684 | me.ui.get_widget(i).set_sensitive(conn.connectedp() and |
060ca767 | 1685 | r is not None) |
984b6d33 MW |
1686 | me.ui.get_widget('/peer-popup/conn-peer'). \ |
1687 | set_sensitive(bool(monitor.autopeers)) | |
060ca767 | 1688 | if r: |
1689 | me.menupeer = me.path_peer(r[0]) | |
1690 | else: | |
1691 | me.menupeer = None | |
984b6d33 MW |
1692 | me.ui.get_widget('/peer-popup').popup( |
1693 | None, None, None, ev.button, ev.time) | |
060ca767 | 1694 | |
1695 | def killpeer(me): | |
984b6d33 MW |
1696 | """Kill a peer from the popup menu.""" |
1697 | cr(conn.kill, me.menupeer.name)() | |
1698 | ||
060ca767 | 1699 | def forcekx(me): |
984b6d33 MW |
1700 | """Kickstart a key-exchange from the popup menu.""" |
1701 | cr(conn.forcekx, me.menupeer.name)() | |
1702 | ||
1703 | _columnmap = {'PING': (2, 3), 'EPING': (4, 5)} | |
1704 | def _ping(me, p, cmd, ps): | |
1705 | """Hook: responds to ping reports.""" | |
1706 | textcol, colourcol = me._columnmap[cmd] | |
1707 | if ps.nmissrun: | |
1708 | me.listmodel[p.i][textcol] = '(miss %d)' % ps.nmissrun | |
1709 | me.listmodel[p.i][colourcol] = 'red' | |
060ca767 | 1710 | else: |
984b6d33 MW |
1711 | me.listmodel[p.i][textcol] = '%.1f ms' % ps.tlast |
1712 | me.listmodel[p.i][colourcol] = 'black' | |
1713 | ||
060ca767 | 1714 | def setstatus(me, status): |
984b6d33 | 1715 | """Update the message in the status bar.""" |
060ca767 | 1716 | me.status.pop(0) |
1717 | me.status.push(0, status) | |
984b6d33 MW |
1718 | |
1719 | def notify(me, note, *rest): | |
1720 | """Hook: invoked when interesting notifications occur.""" | |
060ca767 | 1721 | if note == 'DAEMON': |
1722 | me.ui.get_widget('/menubar/server-menu/daemon').set_sensitive(False) | |
984b6d33 | 1723 | |
060ca767 | 1724 | def connected(me): |
984b6d33 MW |
1725 | """ |
1726 | Hook: invoked when a connection is made to the server. | |
1727 | ||
1728 | Make options which require a server connection sensitive. | |
1729 | """ | |
1730 | me.setstatus('Connected (port %s)' % conn.port()) | |
060ca767 | 1731 | me.ui.get_widget('/menubar/server-menu/connect').set_sensitive(False) |
1732 | for i in ('/menubar/server-menu/disconnect', | |
1733 | '/menubar/server-menu/server-version', | |
1734 | '/menubar/server-menu/add-peer', | |
1735 | '/menubar/server-menu/server-quit', | |
1736 | '/menubar/logs-menu/trace-options'): | |
1737 | me.ui.get_widget(i).set_sensitive(True) | |
984b6d33 MW |
1738 | me.ui.get_widget('/menubar/server-menu/conn-peer'). \ |
1739 | set_sensitive(bool(monitor.autopeers)) | |
060ca767 | 1740 | me.ui.get_widget('/menubar/server-menu/daemon'). \ |
984b6d33 MW |
1741 | set_sensitive(conn.servinfo()['daemon'] == 'nil') |
1742 | ||
1743 | def disconnected(me, reason): | |
1744 | """ | |
1745 | Hook: invoked when the connection to the server is lost. | |
1746 | ||
1747 | Make most options insensitive. | |
1748 | """ | |
060ca767 | 1749 | me.setstatus('Disconnected') |
1750 | me.ui.get_widget('/menubar/server-menu/connect').set_sensitive(True) | |
1751 | for i in ('/menubar/server-menu/disconnect', | |
1752 | '/menubar/server-menu/server-version', | |
1753 | '/menubar/server-menu/add-peer', | |
984b6d33 | 1754 | '/menubar/server-menu/conn-peer', |
060ca767 | 1755 | '/menubar/server-menu/daemon', |
1756 | '/menubar/server-menu/server-quit', | |
1757 | '/menubar/logs-menu/trace-options'): | |
1758 | me.ui.get_widget(i).set_sensitive(False) | |
984b6d33 MW |
1759 | if reason: moanbox(reason) |
1760 | ||
1761 | ###-------------------------------------------------------------------------- | |
1762 | ### Main program. | |
1763 | ||
1764 | def parse_options(): | |
1765 | """ | |
1766 | Parse command-line options. | |
1767 | ||
1768 | Process the boring ones. Return all of them, for later. | |
1769 | """ | |
1770 | op = OptionParser(usage = '%prog [-a FILE] [-d DIR]', | |
1771 | version = '%prog (tripe version 1.0.0)') | |
1772 | op.add_option('-a', '--admin-socket', | |
1773 | metavar = 'FILE', dest = 'tripesock', default = T.tripesock, | |
1774 | help = 'Select socket to connect to [default %default]') | |
1775 | op.add_option('-d', '--directory', | |
1776 | metavar = 'DIR', dest = 'dir', default = T.configdir, | |
1777 | help = 'Select current diretory [default %default]') | |
1778 | opts, args = op.parse_args() | |
1779 | if args: op.error('no arguments permitted') | |
1780 | OS.chdir(opts.dir) | |
1781 | return opts | |
1782 | ||
1783 | def init(opts): | |
1784 | """Initialization.""" | |
1785 | ||
1786 | global conn, monitor, pinger | |
1787 | ||
984b6d33 MW |
1788 | ## Try to establish a connection. |
1789 | conn = Connection(opts.tripesock) | |
1790 | ||
1791 | ## Make the main interesting coroutines and objects. | |
1792 | monitor = Monitor() | |
1793 | pinger = Pinger() | |
1794 | pinger.switch() | |
060ca767 | 1795 | |
984b6d33 | 1796 | def main(): |
060ca767 | 1797 | |
984b6d33 MW |
1798 | ## Main window. |
1799 | root = MonitorWindow() | |
1800 | conn.connect() | |
1801 | root.show_all() | |
060ca767 | 1802 | |
984b6d33 | 1803 | ## Main loop. |
060ca767 | 1804 | HookClient().hook(root.closehook, exit) |
690a6ec1 | 1805 | conn.mainloop() |
060ca767 | 1806 | |
1807 | if __name__ == '__main__': | |
984b6d33 MW |
1808 | opts = parse_options() |
1809 | init(opts) | |
060ca767 | 1810 | main() |
1811 | ||
984b6d33 | 1812 | ###----- That's all, folks -------------------------------------------------- |