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