| 1 | #! @PYTHON@ |
| 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. |
| 29 | |
| 30 | import socket as S |
| 31 | import tripe as T |
| 32 | import mLib as M |
| 33 | from sys import argv, exit, stdin, stdout, stderr, exc_info, excepthook |
| 34 | import os as OS |
| 35 | from os import environ |
| 36 | import math as MATH |
| 37 | import sets as SET |
| 38 | from optparse import OptionParser |
| 39 | import time as TIME |
| 40 | import re as RX |
| 41 | from cStringIO import StringIO |
| 42 | |
| 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 | GDK.KEY_Escape = G.keysyms.Escape |
| 52 | def raise_window(w): w.window.raise_() |
| 53 | combo_box_text = G.combo_box_new_text |
| 54 | def set_entry_bg(e, c): e.modify_base(G.STATE_NORMAL, c) |
| 55 | except ImportError: |
| 56 | from gi.repository import GObject as GO, GLib as GL, Gtk as G, Gdk as GDK |
| 57 | G.WINDOW_TOPLEVEL = G.WindowType.TOPLEVEL |
| 58 | G.EXPAND = G.AttachOptions.EXPAND |
| 59 | G.SHRINK = G.AttachOptions.SHRINK |
| 60 | G.FILL = G.AttachOptions.FILL |
| 61 | G.SORT_ASCENDING = G.SortType.ASCENDING |
| 62 | G.POLICY_AUTOMATIC = G.PolicyType.AUTOMATIC |
| 63 | G.SHADOW_IN = G.ShadowType.IN |
| 64 | G.SELECTION_NONE = G.SelectionMode.NONE |
| 65 | G.DIALOG_MODAL = G.DialogFlags.MODAL |
| 66 | G.RESPONSE_CANCEL = G.ResponseType.CANCEL |
| 67 | G.RESPONSE_NONE = G.ResponseType.NONE |
| 68 | def raise_window(w): getattr(w.get_window(), 'raise')() |
| 69 | combo_box_text = G.ComboBoxText |
| 70 | def set_entry_bg(e, c): e.modify_bg(G.StateType.NORMAL, c) |
| 71 | |
| 72 | if OS.getenv('TRIPE_DEBUG_MONITOR') is not None: |
| 73 | T._debug = 1 |
| 74 | |
| 75 | ###-------------------------------------------------------------------------- |
| 76 | ### Doing things later. |
| 77 | |
| 78 | def uncaught(): |
| 79 | """Report an uncaught exception.""" |
| 80 | excepthook(*exc_info()) |
| 81 | |
| 82 | def xwrap(func): |
| 83 | """ |
| 84 | Return a function which behaves like FUNC, but reports exceptions via |
| 85 | uncaught. |
| 86 | """ |
| 87 | def _(*args, **kw): |
| 88 | try: |
| 89 | return func(*args, **kw) |
| 90 | except SystemExit: |
| 91 | raise |
| 92 | except: |
| 93 | uncaught() |
| 94 | raise |
| 95 | return _ |
| 96 | |
| 97 | def invoker(func, *args, **kw): |
| 98 | """ |
| 99 | Return a function which throws away its arguments and calls |
| 100 | FUNC(*ARGS, **KW). |
| 101 | |
| 102 | If for loops worked by binding rather than assignment then we wouldn't need |
| 103 | this kludge. |
| 104 | """ |
| 105 | return lambda *hunoz, **hukairz: xwrap(func)(*args, **kw) |
| 106 | |
| 107 | def cr(func, *args, **kw): |
| 108 | """Return a function which invokes FUNC(*ARGS, **KW) in a coroutine.""" |
| 109 | name = T.funargstr(func, args, kw) |
| 110 | return lambda *hunoz, **hukairz: \ |
| 111 | T.Coroutine(xwrap(func), name = name).switch(*args, **kw) |
| 112 | |
| 113 | def incr(func): |
| 114 | """Decorator: runs its function in a coroutine of its own.""" |
| 115 | return lambda *args, **kw: \ |
| 116 | (T.Coroutine(func, name = T.funargstr(func, args, kw)) |
| 117 | .switch(*args, **kw)) |
| 118 | |
| 119 | ###-------------------------------------------------------------------------- |
| 120 | ### Random bits of infrastructure. |
| 121 | |
| 122 | ## Program name, shorn of extraneous stuff. |
| 123 | M.ego(argv[0]) |
| 124 | moan = M.moan |
| 125 | die = M.die |
| 126 | |
| 127 | class HookList (object): |
| 128 | """ |
| 129 | Notification hook list. |
| 130 | |
| 131 | Other objects can add functions onto the hook list. When the hook list is |
| 132 | run, the functions are called in the order in which they were registered. |
| 133 | """ |
| 134 | |
| 135 | def __init__(me): |
| 136 | """Basic initialization: create the hook list.""" |
| 137 | me.list = [] |
| 138 | |
| 139 | def add(me, func, obj): |
| 140 | """Add FUNC to the list of hook functions.""" |
| 141 | me.list.append((obj, func)) |
| 142 | |
| 143 | def prune(me, obj): |
| 144 | """Remove hook functions registered with the given OBJ.""" |
| 145 | new = [] |
| 146 | for o, f in me.list: |
| 147 | if o is not obj: |
| 148 | new.append((o, f)) |
| 149 | me.list = new |
| 150 | |
| 151 | def run(me, *args, **kw): |
| 152 | """Invoke the hook functions with arguments *ARGS and **KW.""" |
| 153 | for o, hook in me.list: |
| 154 | rc = hook(*args, **kw) |
| 155 | if rc is not None: return rc |
| 156 | return None |
| 157 | |
| 158 | class HookClient (object): |
| 159 | """ |
| 160 | Mixin for classes which are clients of hooks. |
| 161 | |
| 162 | It keeps track of the hooks it's a client of, and has the ability to |
| 163 | extricate itself from all of them. This is useful because weak objects |
| 164 | don't seem to work well. |
| 165 | """ |
| 166 | def __init__(me): |
| 167 | """Basic initialization.""" |
| 168 | me.hooks = SET.Set() |
| 169 | |
| 170 | def hook(me, hk, func): |
| 171 | """Add FUNC to the hook list HK.""" |
| 172 | hk.add(func, me) |
| 173 | me.hooks.add(hk) |
| 174 | |
| 175 | def unhook(me, hk): |
| 176 | """Remove myself from the hook list HK.""" |
| 177 | hk.prune(me) |
| 178 | me.hooks.discard(hk) |
| 179 | |
| 180 | def unhookall(me): |
| 181 | """Remove myself from all hook lists.""" |
| 182 | for hk in me.hooks: |
| 183 | hk.prune(me) |
| 184 | me.hooks.clear() |
| 185 | |
| 186 | class struct (object): |
| 187 | """A very simple dumb data container object.""" |
| 188 | def __init__(me, **kw): |
| 189 | me.__dict__.update(kw) |
| 190 | |
| 191 | ## Matches ISO date format yyyy-mm-ddThh:mm:ss. |
| 192 | rx_time = RX.compile(r'^(\d+)-(\d+)-(\d+)T(\d+):(\d+):(\d+)$') |
| 193 | |
| 194 | ###-------------------------------------------------------------------------- |
| 195 | ### Connections. |
| 196 | |
| 197 | class GIOWatcher (object): |
| 198 | """ |
| 199 | Monitor I/O events using glib. |
| 200 | """ |
| 201 | def __init__(me, conn, mc = GL.main_context_default()): |
| 202 | me._conn = conn |
| 203 | me._watch = None |
| 204 | me._mc = mc |
| 205 | def connected(me, sock): |
| 206 | me._watch = GL.io_add_watch(sock, GL.IO_IN, |
| 207 | lambda *hunoz: me._conn.receive()) |
| 208 | def disconnected(me): |
| 209 | GL.source_remove(me._watch) |
| 210 | me._watch = None |
| 211 | def iterate(me): |
| 212 | me._mc.iteration(True) |
| 213 | |
| 214 | class Connection (T.TripeCommandDispatcher): |
| 215 | """ |
| 216 | The main connection to the server. |
| 217 | |
| 218 | The improvement over the TripeCommandDispatcher is that the Connection |
| 219 | provides hooklists for NOTE, WARN and TRACE messages, and for connect and |
| 220 | disconnect events. |
| 221 | |
| 222 | This class knows about the Glib I/O dispatcher system, and plugs into it. |
| 223 | |
| 224 | Hooks: |
| 225 | |
| 226 | * connecthook(): a connection to the server has been established |
| 227 | * disconnecthook(): the connection has been dropped |
| 228 | * notehook(TOKEN, ...): server issued a notification |
| 229 | * warnhook(TOKEN, ...): server issued a warning |
| 230 | * tracehook(TOKEN, ...): server issued a trace message |
| 231 | """ |
| 232 | |
| 233 | def __init__(me, socket): |
| 234 | """Create a new Connection.""" |
| 235 | T.TripeCommandDispatcher.__init__(me, socket) |
| 236 | me.connecthook = HookList() |
| 237 | me.disconnecthook = HookList() |
| 238 | me.notehook = HookList() |
| 239 | me.warnhook = HookList() |
| 240 | me.tracehook = HookList() |
| 241 | me.handler['NOTE'] = lambda _, *rest: me.notehook.run(*rest) |
| 242 | me.handler['WARN'] = lambda _, *rest: me.warnhook.run(*rest) |
| 243 | me.handler['TRACE'] = lambda _, *rest: me.tracehook.run(*rest) |
| 244 | me.iowatch = GIOWatcher(me) |
| 245 | |
| 246 | def connected(me): |
| 247 | """Handles reconnection to the server, and signals the hook.""" |
| 248 | T.TripeCommandDispatcher.connected(me) |
| 249 | me.connecthook.run() |
| 250 | |
| 251 | def disconnected(me, reason): |
| 252 | """Handles disconnection from the server, and signals the hook.""" |
| 253 | me.disconnecthook.run(reason) |
| 254 | T.TripeCommandDispatcher.disconnected(me, reason) |
| 255 | |
| 256 | ###-------------------------------------------------------------------------- |
| 257 | ### Watching the peers go by. |
| 258 | |
| 259 | class MonitorObject (object): |
| 260 | """ |
| 261 | An object with hooks it uses to notify others of changes in its state. |
| 262 | These are the objects tracked by the MonitorList class. |
| 263 | |
| 264 | The object has a name, an `aliveness' state indicated by the `alivep' flag, |
| 265 | and hooks. |
| 266 | |
| 267 | Hooks: |
| 268 | |
| 269 | * changehook(): the object has changed its state |
| 270 | * deadhook(): the object has been destroyed |
| 271 | |
| 272 | Subclass responsibilities: |
| 273 | |
| 274 | * update(INFO): update internal state based on the provided INFO, and run |
| 275 | the changehook. |
| 276 | """ |
| 277 | |
| 278 | def __init__(me, name): |
| 279 | """Initialize the object with the given NAME.""" |
| 280 | me.name = name |
| 281 | me.deadhook = HookList() |
| 282 | me.changehook = HookList() |
| 283 | me.alivep = True |
| 284 | |
| 285 | def dead(me): |
| 286 | """Mark the object as dead; invoke the deadhook.""" |
| 287 | me.alivep = False |
| 288 | me.deadhook.run() |
| 289 | |
| 290 | class Peer (MonitorObject): |
| 291 | """ |
| 292 | An object representing a connected peer. |
| 293 | |
| 294 | As well as the standard hooks, a peer has a pinghook, which isn't used |
| 295 | directly by this class. |
| 296 | |
| 297 | Hooks: |
| 298 | |
| 299 | * pinghook(): invoked by the Pinger (q.v.) when ping statistics change |
| 300 | |
| 301 | Attributes provided are: |
| 302 | |
| 303 | * addr = a vaguely human-readable representation of the peer's address |
| 304 | * ifname = the peer's interface name |
| 305 | * tunnel = the kind of tunnel the peer is using |
| 306 | * keepalive = the peer's keepalive interval in seconds |
| 307 | * ping['EPING'] and ping['PING'] = pingstate statistics (maintained by |
| 308 | the Pinger) |
| 309 | """ |
| 310 | |
| 311 | def __init__(me, name): |
| 312 | """Initialize the object with the given name.""" |
| 313 | MonitorObject.__init__(me, name) |
| 314 | me.pinghook = HookList() |
| 315 | me.__dict__.update(conn.algs(name)) |
| 316 | me.update() |
| 317 | |
| 318 | def update(me, hunoz = None): |
| 319 | """Update the peer, fetching information about it from the server.""" |
| 320 | me._setaddr(conn.addr(me.name)) |
| 321 | me.ifname = conn.ifname(me.name) |
| 322 | me.__dict__.update(conn.peerinfo(me.name)) |
| 323 | me.changehook.run() |
| 324 | |
| 325 | def _setaddr(me, addr): |
| 326 | """Set the peer's address.""" |
| 327 | if addr[0] == 'INET': |
| 328 | ipaddr, port = addr[1:] |
| 329 | try: |
| 330 | name = S.gethostbyaddr(ipaddr)[0] |
| 331 | me.addr = 'INET %s:%s [%s]' % (name, port, ipaddr) |
| 332 | except S.herror: |
| 333 | me.addr = 'INET %s:%s' % (ipaddr, port) |
| 334 | else: |
| 335 | me.addr = ' '.join(addr) |
| 336 | |
| 337 | def setaddr(me, addr): |
| 338 | """Informs the object of a change to its address to ADDR.""" |
| 339 | me._setaddr(addr) |
| 340 | me.changehook.run() |
| 341 | |
| 342 | def setifname(me, newname): |
| 343 | """Informs the object of a change to its interface name to NEWNAME.""" |
| 344 | me.ifname = newname |
| 345 | me.changehook.run() |
| 346 | |
| 347 | class Service (MonitorObject): |
| 348 | """ |
| 349 | Represents a service. |
| 350 | |
| 351 | Additional attributes are: |
| 352 | |
| 353 | * version = the service version |
| 354 | """ |
| 355 | def __init__(me, name, version): |
| 356 | MonitorObject.__init__(me, name) |
| 357 | me.version = version |
| 358 | |
| 359 | def update(me, version): |
| 360 | """Tell the Service that its version has changed to VERSION.""" |
| 361 | me.version = version |
| 362 | me.changehook.run() |
| 363 | |
| 364 | class MonitorList (object): |
| 365 | """ |
| 366 | Maintains a collection of MonitorObjects. |
| 367 | |
| 368 | The MonitorList can be indexed by name to retrieve the individual objects; |
| 369 | iteration generates the individual objects. More complicated operations |
| 370 | can be done on the `table' dictionary directly. |
| 371 | |
| 372 | Hooks addhook(OBJ) and delhook(OBJ) are invoked when objects are added or |
| 373 | deleted. |
| 374 | |
| 375 | Subclass responsibilities: |
| 376 | |
| 377 | * list(): return a list of (NAME, INFO) pairs. |
| 378 | |
| 379 | * make(NAME, INFO): returns a new MonitorObject for the given NAME; INFO |
| 380 | is from the output of list(). |
| 381 | """ |
| 382 | |
| 383 | def __init__(me): |
| 384 | """Initialize a new MonitorList.""" |
| 385 | me.table = {} |
| 386 | me.addhook = HookList() |
| 387 | me.delhook = HookList() |
| 388 | |
| 389 | def update(me): |
| 390 | """ |
| 391 | Refresh the list of objects: |
| 392 | |
| 393 | We add new object which have appeared, delete ones which have vanished, |
| 394 | and update any which persist. |
| 395 | """ |
| 396 | new = {} |
| 397 | for name, stuff in me.list(): |
| 398 | new[name] = True |
| 399 | me.add(name, stuff) |
| 400 | for name in me.table.copy(): |
| 401 | if name not in new: |
| 402 | me.remove(name) |
| 403 | |
| 404 | def add(me, name, stuff): |
| 405 | """ |
| 406 | Add a new object created by make(NAME, STUFF) if it doesn't already |
| 407 | exist. If it does, update it. |
| 408 | """ |
| 409 | if name not in me.table: |
| 410 | obj = me.make(name, stuff) |
| 411 | me.table[name] = obj |
| 412 | me.addhook.run(obj) |
| 413 | else: |
| 414 | me.table[name].update(stuff) |
| 415 | |
| 416 | def remove(me, name): |
| 417 | """ |
| 418 | Remove the object called NAME from the list. |
| 419 | |
| 420 | The object becomes dead. |
| 421 | """ |
| 422 | if name in me.table: |
| 423 | obj = me.table[name] |
| 424 | del me.table[name] |
| 425 | me.delhook.run(obj) |
| 426 | obj.dead() |
| 427 | |
| 428 | def __getitem__(me, name): |
| 429 | """Retrieve the object called NAME.""" |
| 430 | return me.table[name] |
| 431 | |
| 432 | def __iter__(me): |
| 433 | """Iterate over the objects.""" |
| 434 | return me.table.itervalues() |
| 435 | |
| 436 | class PeerList (MonitorList): |
| 437 | """The list of the known peers.""" |
| 438 | def list(me): |
| 439 | return [(name, None) for name in conn.list()] |
| 440 | def make(me, name, stuff): |
| 441 | return Peer(name) |
| 442 | |
| 443 | class ServiceList (MonitorList): |
| 444 | """The list of the registered services.""" |
| 445 | def list(me): |
| 446 | return conn.svclist() |
| 447 | def make(me, name, stuff): |
| 448 | return Service(name, stuff) |
| 449 | |
| 450 | class Monitor (HookClient): |
| 451 | """ |
| 452 | The main monitor: keeps track of the changes happening to the server. |
| 453 | |
| 454 | Exports the peers, services MonitorLists, and a (plain Python) list |
| 455 | autopeers of peers which the connect service knows how to start by name. |
| 456 | |
| 457 | Hooks provided: |
| 458 | |
| 459 | * autopeershook(): invoked when the auto-peers list changes. |
| 460 | """ |
| 461 | def __init__(me): |
| 462 | """Initialize the Monitor.""" |
| 463 | HookClient.__init__(me) |
| 464 | me.peers = PeerList() |
| 465 | me.services = ServiceList() |
| 466 | me.hook(conn.connecthook, me._connected) |
| 467 | me.hook(conn.notehook, me._notify) |
| 468 | me.autopeershook = HookList() |
| 469 | me.autopeers = None |
| 470 | |
| 471 | def _connected(me): |
| 472 | """Handle a successful connection by starting the setup coroutine.""" |
| 473 | me._setup() |
| 474 | |
| 475 | @incr |
| 476 | def _setup(me): |
| 477 | """Coroutine function: initialize for a new connection.""" |
| 478 | conn.watch('-A+wnt') |
| 479 | me.peers.update() |
| 480 | me.services.update() |
| 481 | me._updateautopeers() |
| 482 | |
| 483 | def _updateautopeers(me): |
| 484 | """Update the auto-peers list from the connect service.""" |
| 485 | if 'connect' in me.services.table: |
| 486 | me.autopeers = [' '.join(line) |
| 487 | for line in conn.svcsubmit('connect', 'list-active')] |
| 488 | me.autopeers.sort() |
| 489 | else: |
| 490 | me.autopeers = None |
| 491 | me.autopeershook.run() |
| 492 | |
| 493 | def _notify(me, code, *rest): |
| 494 | """ |
| 495 | Handle notifications from the server. |
| 496 | |
| 497 | ADD, KILL and NEWIFNAME notifications get passed up to the PeerList; |
| 498 | SVCCLAIM and SVCRELEASE get passed up to the ServiceList. Finally, |
| 499 | peerdb-update notifications from the watch service cause us to refresh |
| 500 | the auto-peers list. |
| 501 | """ |
| 502 | if code == 'ADD': |
| 503 | T.aside(me.peers.add, rest[0], None) |
| 504 | elif code == 'KILL': |
| 505 | T.aside(me.peers.remove, rest[0]) |
| 506 | elif code == 'NEWIFNAME': |
| 507 | try: |
| 508 | me.peers[rest[0]].setifname(rest[2]) |
| 509 | except KeyError: |
| 510 | pass |
| 511 | elif code == 'NEWADDR': |
| 512 | try: |
| 513 | me.peers[rest[0]].setaddr(rest[1:]) |
| 514 | except KeyError: |
| 515 | pass |
| 516 | elif code == 'SVCCLAIM': |
| 517 | T.aside(me.services.add, rest[0], rest[1]) |
| 518 | if rest[0] == 'connect': |
| 519 | T.aside(me._updateautopeers) |
| 520 | elif code == 'SVCRELEASE': |
| 521 | T.aside(me.services.remove, rest[0]) |
| 522 | if rest[0] == 'connect': |
| 523 | T.aside(me._updateautopeers) |
| 524 | elif code == 'USER': |
| 525 | if not rest: return |
| 526 | if rest[0] == 'watch' and \ |
| 527 | rest[1] == 'peerdb-update': |
| 528 | T.aside(me._updateautopeers) |
| 529 | |
| 530 | ###-------------------------------------------------------------------------- |
| 531 | ### Window management cruft. |
| 532 | |
| 533 | class MyWindowMixin (G.Window, HookClient): |
| 534 | """ |
| 535 | Mixin for windows which call a closehook when they're destroyed. It's also |
| 536 | a hookclient, and will release its hooks when it's destroyed. |
| 537 | |
| 538 | Hooks: |
| 539 | |
| 540 | * closehook(): called when the window is closed. |
| 541 | """ |
| 542 | |
| 543 | def mywininit(me): |
| 544 | """Initialization function. Note that it's not called __init__!""" |
| 545 | me.closehook = HookList() |
| 546 | HookClient.__init__(me) |
| 547 | me.connect('destroy', invoker(me.close)) |
| 548 | |
| 549 | def close(me): |
| 550 | """Close the window, invoking the closehook and releasing all hooks.""" |
| 551 | me.closehook.run() |
| 552 | me.destroy() |
| 553 | me.unhookall() |
| 554 | |
| 555 | class MyWindow (MyWindowMixin): |
| 556 | """A version of MyWindowMixin suitable as a single parent class.""" |
| 557 | def __init__(me, kind = G.WINDOW_TOPLEVEL): |
| 558 | G.Window.__init__(me, kind) |
| 559 | me.mywininit() |
| 560 | |
| 561 | class TrivialWindowMixin (MyWindowMixin): |
| 562 | """A simple window which you can close with Escape.""" |
| 563 | def mywininit(me): |
| 564 | super(TrivialWindowMixin, me).mywininit() |
| 565 | me.connect('key-press-event', me._keypress) |
| 566 | def _keypress(me, _, ev): |
| 567 | if ev.keyval == GDK.KEY_Escape: me.destroy() |
| 568 | |
| 569 | class TrivialWindow (MyWindow, TrivialWindowMixin): |
| 570 | pass |
| 571 | |
| 572 | class MyDialog (G.Dialog, MyWindowMixin, HookClient): |
| 573 | """A dialogue box with a closehook and sensible button binding.""" |
| 574 | |
| 575 | def __init__(me, title = None, flags = 0, buttons = []): |
| 576 | """ |
| 577 | The BUTTONS are a list of (STOCKID, THUNK) pairs: call the appropriate |
| 578 | THUNK when the button is pressed. The other arguments are just like |
| 579 | GTK's Dialog class. |
| 580 | """ |
| 581 | i = 0 |
| 582 | br = [] |
| 583 | me.rmap = [] |
| 584 | for b, f in buttons: |
| 585 | br.append(b) |
| 586 | br.append(i) |
| 587 | me.rmap.append(f) |
| 588 | i += 1 |
| 589 | G.Dialog.__init__(me, title, None, flags, tuple(br)) |
| 590 | me.mywininit() |
| 591 | me.set_default_response(i - 1) |
| 592 | me.connect('response', me.respond) |
| 593 | |
| 594 | def respond(me, hunoz, rid, *hukairz): |
| 595 | """Dispatch responses to the appropriate thunks.""" |
| 596 | if rid >= 0: me.rmap[rid]() |
| 597 | |
| 598 | def makeactiongroup(name, acts): |
| 599 | """ |
| 600 | Creates an ActionGroup called NAME. |
| 601 | |
| 602 | ACTS is a list of tuples containing: |
| 603 | |
| 604 | * ACT: an action name |
| 605 | * LABEL: the label string for the action |
| 606 | * ACCEL: accelerator string, or None |
| 607 | * FUNC: thunk to call when the action is invoked |
| 608 | """ |
| 609 | actgroup = G.ActionGroup(name) |
| 610 | for act, label, accel, func in acts: |
| 611 | a = G.Action(act, label, None, None) |
| 612 | if func: a.connect('activate', invoker(func)) |
| 613 | actgroup.add_action_with_accel(a, accel) |
| 614 | return actgroup |
| 615 | |
| 616 | class GridPacker (G.Table): |
| 617 | """ |
| 618 | Like a Table, but with more state: makes filling in the widgets easier. |
| 619 | """ |
| 620 | |
| 621 | def __init__(me): |
| 622 | """Initialize a new GridPacker.""" |
| 623 | G.Table.__init__(me) |
| 624 | me.row = 0 |
| 625 | me.col = 0 |
| 626 | me.rows = 1 |
| 627 | me.cols = 1 |
| 628 | me.set_border_width(4) |
| 629 | me.set_col_spacings(4) |
| 630 | me.set_row_spacings(4) |
| 631 | |
| 632 | def pack(me, w, width = 1, newlinep = False, |
| 633 | xopt = G.EXPAND | G.FILL | G.SHRINK, yopt = 0, |
| 634 | xpad = 0, ypad = 0): |
| 635 | """ |
| 636 | Packs a new widget. |
| 637 | |
| 638 | W is the widget to add. XOPY, YOPT, XPAD and YPAD are as for Table. |
| 639 | WIDTH is how many cells to take up horizontally. NEWLINEP is whether to |
| 640 | start a new line for this widget. Returns W. |
| 641 | """ |
| 642 | if newlinep: |
| 643 | me.row += 1 |
| 644 | me.col = 0 |
| 645 | bot = me.row + 1 |
| 646 | right = me.col + width |
| 647 | if bot > me.rows or right > me.cols: |
| 648 | if bot > me.rows: me.rows = bot |
| 649 | if right > me.cols: me.cols = right |
| 650 | me.resize(me.rows, me.cols) |
| 651 | me.attach(w, me.col, me.col + width, me.row, me.row + 1, |
| 652 | xopt, yopt, xpad, ypad) |
| 653 | me.col += width |
| 654 | return w |
| 655 | |
| 656 | def labelled(me, lab, w, newlinep = False, **kw): |
| 657 | """ |
| 658 | Packs a labelled widget. |
| 659 | |
| 660 | Other arguments are as for pack. Returns W. |
| 661 | """ |
| 662 | label = G.Label(lab + ' ') |
| 663 | label.set_alignment(1.0, 0) |
| 664 | me.pack(label, newlinep = newlinep, xopt = G.FILL) |
| 665 | me.pack(w, **kw) |
| 666 | return w |
| 667 | |
| 668 | def info(me, label, text = None, len = 18, **kw): |
| 669 | """ |
| 670 | Packs an information widget with a label. |
| 671 | |
| 672 | LABEL is the label; TEXT is the initial text; LEN is the estimated length |
| 673 | in characters. Returns the entry widget. |
| 674 | """ |
| 675 | e = G.Label() |
| 676 | if text is not None: e.set_text(text) |
| 677 | e.set_width_chars(len) |
| 678 | e.set_selectable(True) |
| 679 | e.set_alignment(0.0, 0.5) |
| 680 | me.labelled(label, e, **kw) |
| 681 | return e |
| 682 | |
| 683 | class WindowSlot (HookClient): |
| 684 | """ |
| 685 | A place to store a window -- specificially a MyWindowMixin. |
| 686 | |
| 687 | If the window is destroyed, remember this; when we come to open the window, |
| 688 | raise it if it already exists; otherwise make a new one. |
| 689 | """ |
| 690 | def __init__(me, createfunc): |
| 691 | """ |
| 692 | Constructor: CREATEFUNC must return a new Window which supports the |
| 693 | closehook protocol. |
| 694 | """ |
| 695 | HookClient.__init__(me) |
| 696 | me.createfunc = createfunc |
| 697 | me.window = None |
| 698 | |
| 699 | def open(me): |
| 700 | """Opens the window, creating it if necessary.""" |
| 701 | if me.window: |
| 702 | raise_window(me.window) |
| 703 | else: |
| 704 | me.window = me.createfunc() |
| 705 | me.hook(me.window.closehook, me.closed) |
| 706 | |
| 707 | def closed(me): |
| 708 | """Handles the window being closed.""" |
| 709 | me.unhook(me.window.closehook) |
| 710 | me.window = None |
| 711 | |
| 712 | class MyTreeView (G.TreeView): |
| 713 | def __init__(me, model): |
| 714 | G.TreeView.__init__(me, model) |
| 715 | me.set_rules_hint(True) |
| 716 | |
| 717 | class MyScrolledWindow (G.ScrolledWindow): |
| 718 | def __init__(me): |
| 719 | G.ScrolledWindow.__init__(me) |
| 720 | me.set_policy(G.POLICY_AUTOMATIC, G.POLICY_AUTOMATIC) |
| 721 | me.set_shadow_type(G.SHADOW_IN) |
| 722 | |
| 723 | ## Matches a signed integer. |
| 724 | rx_num = RX.compile(r'^[-+]?\d+$') |
| 725 | |
| 726 | ## The colour red. |
| 727 | c_red = GDK.color_parse('#ff6666') |
| 728 | |
| 729 | class ValidationError (Exception): |
| 730 | """Raised by ValidatingEntry.get_text() if the text isn't valid.""" |
| 731 | pass |
| 732 | |
| 733 | class ValidatingEntry (G.Entry): |
| 734 | """ |
| 735 | Like an Entry, but makes the text go red if the contents are invalid. |
| 736 | |
| 737 | If get_text is called, and the text is invalid, ValidationError is raised. |
| 738 | The attribute validp reflects whether the contents are currently valid. |
| 739 | """ |
| 740 | |
| 741 | def __init__(me, valid, text = '', size = -1, *arg, **kw): |
| 742 | """ |
| 743 | Make a validating Entry. |
| 744 | |
| 745 | VALID is a regular expression or a predicate on strings. TEXT is the |
| 746 | default text to insert. SIZE is the size of the box to set, in |
| 747 | characters (ish). Other arguments are passed to Entry. |
| 748 | """ |
| 749 | G.Entry.__init__(me, *arg, **kw) |
| 750 | me.connect("changed", me._check) |
| 751 | me.connect("state-changed", me._check) |
| 752 | if callable(valid): |
| 753 | me.validate = valid |
| 754 | else: |
| 755 | me.validate = RX.compile(valid).match |
| 756 | me.ensure_style() |
| 757 | if size != -1: me.set_width_chars(size) |
| 758 | me.set_activates_default(True) |
| 759 | me.set_text(text) |
| 760 | me._check() |
| 761 | |
| 762 | def _check(me, *hunoz): |
| 763 | """Check the current text and update validp and the text colour.""" |
| 764 | if me.validate(G.Entry.get_text(me)): |
| 765 | me.validp = True |
| 766 | set_entry_bg(me, None) |
| 767 | else: |
| 768 | me.validp = False |
| 769 | set_entry_bg(me, me.is_sensitive() and c_red or None) |
| 770 | |
| 771 | def get_text(me): |
| 772 | """ |
| 773 | Return the text in the Entry if it's valid. If it isn't, raise |
| 774 | ValidationError. |
| 775 | """ |
| 776 | if not me.validp: |
| 777 | raise ValidationError |
| 778 | return G.Entry.get_text(me) |
| 779 | |
| 780 | def numericvalidate(min = None, max = None): |
| 781 | """ |
| 782 | Return a validation function for numbers. |
| 783 | |
| 784 | Entry must consist of an optional sign followed by digits, and the |
| 785 | resulting integer must be within the given bounds. |
| 786 | """ |
| 787 | return lambda x: (rx_num.match(x) and |
| 788 | (min is None or long(x) >= min) and |
| 789 | (max is None or long(x) <= max)) |
| 790 | |
| 791 | ###-------------------------------------------------------------------------- |
| 792 | ### Various minor dialog boxen. |
| 793 | |
| 794 | GPL = """This program is free software; you can redistribute it and/or modify |
| 795 | it under the terms of the GNU General Public License as published by |
| 796 | the Free Software Foundation; either version 2 of the License, or |
| 797 | (at your option) any later version. |
| 798 | |
| 799 | This program is distributed in the hope that it will be useful, |
| 800 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 801 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 802 | GNU General Public License for more details. |
| 803 | |
| 804 | You should have received a copy of the GNU General Public License |
| 805 | along with this program; if not, write to the Free Software Foundation, |
| 806 | Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.""" |
| 807 | |
| 808 | class AboutBox (G.AboutDialog, TrivialWindowMixin): |
| 809 | """The program `About' box.""" |
| 810 | def __init__(me): |
| 811 | G.AboutDialog.__init__(me) |
| 812 | me.mywininit() |
| 813 | me.set_name('TrIPEmon') |
| 814 | me.set_version(T.VERSION) |
| 815 | me.set_license(GPL) |
| 816 | me.set_authors(['Mark Wooding <mdw@distorted.org.uk>']) |
| 817 | me.set_comments('A graphical monitor for the TrIPE VPN server') |
| 818 | me.set_copyright('Copyright © 2006-2008 Straylight/Edgeware') |
| 819 | me.connect('response', me.respond) |
| 820 | me.show() |
| 821 | def respond(me, hunoz, rid, *hukairz): |
| 822 | if rid == G.RESPONSE_CANCEL: |
| 823 | me.close() |
| 824 | aboutbox = WindowSlot(AboutBox) |
| 825 | |
| 826 | def moanbox(msg): |
| 827 | """Report an error message in a window.""" |
| 828 | d = G.Dialog('Error from %s' % M.quis, |
| 829 | flags = G.DIALOG_MODAL, |
| 830 | buttons = ((G.STOCK_OK, G.RESPONSE_NONE))) |
| 831 | label = G.Label(msg) |
| 832 | label.set_padding(20, 20) |
| 833 | d.vbox.pack_start(label, True, True, 0) |
| 834 | label.show() |
| 835 | d.run() |
| 836 | d.destroy() |
| 837 | |
| 838 | def unimplemented(*hunoz): |
| 839 | """Indicator of laziness.""" |
| 840 | moanbox("I've not written that bit yet.") |
| 841 | |
| 842 | ###-------------------------------------------------------------------------- |
| 843 | ### Logging windows. |
| 844 | |
| 845 | class LogModel (G.ListStore): |
| 846 | """ |
| 847 | A simple list of log messages, usable as the model for a TreeView. |
| 848 | |
| 849 | The column headings are stored in the `cols' attribute. |
| 850 | """ |
| 851 | |
| 852 | def __init__(me, columns): |
| 853 | """ |
| 854 | COLUMNS must be a list of column name strings. We add a time column to |
| 855 | the left. |
| 856 | """ |
| 857 | me.cols = ('Time',) + columns |
| 858 | G.ListStore.__init__(me, *((GO.TYPE_STRING,) * len(me.cols))) |
| 859 | |
| 860 | def add(me, *entries): |
| 861 | """ |
| 862 | Adds a new log message, with a timestamp. |
| 863 | |
| 864 | The ENTRIES are the contents for the list columns. |
| 865 | """ |
| 866 | now = TIME.strftime('%Y-%m-%d %H:%M:%S') |
| 867 | me.append((now, ) + entries) |
| 868 | |
| 869 | class TraceLogModel (LogModel): |
| 870 | """Log model for trace messages.""" |
| 871 | def __init__(me): |
| 872 | LogModel.__init__(me, ('Message',)) |
| 873 | def notify(me, line): |
| 874 | """Call with a new trace message.""" |
| 875 | me.add(line) |
| 876 | |
| 877 | class WarningLogModel (LogModel): |
| 878 | """ |
| 879 | Log model for warnings. |
| 880 | |
| 881 | We split the category out into a separate column. |
| 882 | """ |
| 883 | def __init__(me): |
| 884 | LogModel.__init__(me, ('Category', 'Message')) |
| 885 | def notify(me, tag, *rest): |
| 886 | """Call with a new warning message.""" |
| 887 | me.add(tag, ' '.join([T.quotify(w) for w in rest])) |
| 888 | |
| 889 | class LogViewer (TrivialWindow): |
| 890 | """ |
| 891 | A log viewer window. |
| 892 | |
| 893 | Its contents are a TreeView showing the log. |
| 894 | |
| 895 | Attributes: |
| 896 | |
| 897 | * model: an appropriate LogModel |
| 898 | * list: a TreeView widget to display the log |
| 899 | """ |
| 900 | |
| 901 | def __init__(me, model): |
| 902 | """ |
| 903 | Create a log viewer showing the LogModel MODEL. |
| 904 | """ |
| 905 | TrivialWindow.__init__(me) |
| 906 | me.model = model |
| 907 | scr = MyScrolledWindow() |
| 908 | me.list = MyTreeView(me.model) |
| 909 | i = 0 |
| 910 | for c in me.model.cols: |
| 911 | crt = G.CellRendererText() |
| 912 | me.list.append_column(G.TreeViewColumn(c, crt, text = i)) |
| 913 | i += 1 |
| 914 | crt.set_property('family', 'monospace') |
| 915 | me.set_default_size(440, 256) |
| 916 | scr.add(me.list) |
| 917 | me.add(scr) |
| 918 | me.show_all() |
| 919 | |
| 920 | ###-------------------------------------------------------------------------- |
| 921 | ### Pinging peers. |
| 922 | |
| 923 | class pingstate (struct): |
| 924 | """ |
| 925 | Information kept for each peer by the Pinger. |
| 926 | |
| 927 | Important attributes: |
| 928 | |
| 929 | * peer = the peer name |
| 930 | * command = PING or EPING |
| 931 | * n = how many pings we've sent so far |
| 932 | * ngood = how many returned |
| 933 | * nmiss = how many didn't return |
| 934 | * nmissrun = how many pings since the last good one |
| 935 | * tlast = round-trip time for the last (good) ping |
| 936 | * ttot = total roung trip time |
| 937 | """ |
| 938 | pass |
| 939 | |
| 940 | class Pinger (T.Coroutine, HookClient): |
| 941 | """ |
| 942 | Coroutine which pings known peers and collects statistics. |
| 943 | |
| 944 | Interesting attributes: |
| 945 | |
| 946 | * _map: dict mapping peer names to Peer objects |
| 947 | * _q: event queue for notifying pinger coroutine |
| 948 | * _timer: gobject timer for waking the coroutine |
| 949 | """ |
| 950 | |
| 951 | def __init__(me): |
| 952 | """ |
| 953 | Initialize the pinger. |
| 954 | |
| 955 | We watch the monitor's PeerList to track which peers we should ping. We |
| 956 | maintain an event queue and put all the events on that. |
| 957 | |
| 958 | The statistics for a PEER are held in the Peer object, in PEER.ping[CMD], |
| 959 | where CMD is 'PING' or 'EPING'. |
| 960 | """ |
| 961 | T.Coroutine.__init__(me) |
| 962 | HookClient.__init__(me) |
| 963 | me._map = {} |
| 964 | me._q = T.Queue() |
| 965 | me._timer = None |
| 966 | me.hook(conn.connecthook, me._connected) |
| 967 | me.hook(conn.disconnecthook, me._disconnected) |
| 968 | me.hook(monitor.peers.addhook, |
| 969 | lambda p: T.defer(me._q.put, (p, 'ADD', None))) |
| 970 | me.hook(monitor.peers.delhook, |
| 971 | lambda p: T.defer(me._q.put, (p, 'KILL', None))) |
| 972 | if conn.connectedp(): me.connected() |
| 973 | |
| 974 | def _connected(me): |
| 975 | """Respond to connection: start pinging thngs.""" |
| 976 | me._timer = GL.timeout_add(1000, me._timerfunc) |
| 977 | |
| 978 | def _timerfunc(me): |
| 979 | """Timer function: put a timer event on the queue.""" |
| 980 | me._q.put((None, 'TIMER', None)) |
| 981 | return True |
| 982 | |
| 983 | def _disconnected(me, reason): |
| 984 | """Respond to disconnection: stop pinging.""" |
| 985 | GL.source_remove(me._timer) |
| 986 | |
| 987 | def run(me): |
| 988 | """ |
| 989 | Coroutine function: read events from the queue and process them. |
| 990 | |
| 991 | Interesting events: |
| 992 | |
| 993 | * (PEER, 'KILL', None): remove PEER from the interesting peers list |
| 994 | * (PEER, 'ADD', None): add PEER to the list |
| 995 | * (PEER, 'INFO', TOKENS): result from a PING command |
| 996 | * (None, 'TIMER', None): interval timer went off: send more pings |
| 997 | """ |
| 998 | while True: |
| 999 | tag, code, stuff = me._q.get() |
| 1000 | if code == 'KILL': |
| 1001 | name = tag.name |
| 1002 | if name in me._map: |
| 1003 | del me._map[name] |
| 1004 | elif not conn.connectedp(): |
| 1005 | pass |
| 1006 | elif code == 'ADD': |
| 1007 | p = tag |
| 1008 | p.ping = {} |
| 1009 | for cmd in 'PING', 'EPING': |
| 1010 | ps = pingstate(command = cmd, peer = p, |
| 1011 | n = 0, ngood = 0, nmiss = 0, nmissrun = 0, |
| 1012 | tlast = 0, ttot = 0) |
| 1013 | p.ping[cmd] = ps |
| 1014 | me._map[p.name] = p |
| 1015 | elif code == 'INFO': |
| 1016 | ps = tag |
| 1017 | if stuff[0] == 'ping-ok': |
| 1018 | t = float(stuff[1]) |
| 1019 | ps.ngood += 1 |
| 1020 | ps.nmissrun = 0 |
| 1021 | ps.tlast = t |
| 1022 | ps.ttot += t |
| 1023 | else: |
| 1024 | ps.nmiss += 1 |
| 1025 | ps.nmissrun += 1 |
| 1026 | ps.n += 1 |
| 1027 | ps.peer.pinghook.run(ps.peer, ps.command, ps) |
| 1028 | elif code == 'TIMER': |
| 1029 | for name, p in me._map.iteritems(): |
| 1030 | for cmd, ps in p.ping.iteritems(): |
| 1031 | conn.rawcommand(T.TripeAsynchronousCommand(me._q, ps, [ |
| 1032 | cmd, '-background', conn.bgtag(), '--', name])) |
| 1033 | |
| 1034 | ###-------------------------------------------------------------------------- |
| 1035 | ### Random dialogue boxes. |
| 1036 | |
| 1037 | class AddPeerDialog (MyDialog): |
| 1038 | """ |
| 1039 | Let the user create a new peer the low-level way. |
| 1040 | |
| 1041 | Interesting attributes: |
| 1042 | |
| 1043 | * e_name, e_addr, e_port, c_keepalive, l_tunnel: widgets in the dialog |
| 1044 | """ |
| 1045 | |
| 1046 | def __init__(me): |
| 1047 | """Initialize the dialogue.""" |
| 1048 | MyDialog.__init__(me, 'Add peer', |
| 1049 | buttons = [(G.STOCK_CANCEL, me.destroy), |
| 1050 | (G.STOCK_OK, me.ok)]) |
| 1051 | me._setup() |
| 1052 | |
| 1053 | @incr |
| 1054 | def _setup(me): |
| 1055 | """Coroutine function: background setup for AddPeerDialog.""" |
| 1056 | table = GridPacker() |
| 1057 | me.vbox.pack_start(table, True, True, 0) |
| 1058 | me.e_name = table.labelled('Name', |
| 1059 | ValidatingEntry(r'^[^\s.:]+$', '', 16), |
| 1060 | width = 3) |
| 1061 | me.e_addr = table.labelled('Address', |
| 1062 | ValidatingEntry(r'^[a-zA-Z0-9.-]+$', '', 24), |
| 1063 | newlinep = True) |
| 1064 | me.e_port = table.labelled('Port', |
| 1065 | ValidatingEntry(numericvalidate(0, 65535), |
| 1066 | '4070', |
| 1067 | 5)) |
| 1068 | me.l_tunnel = table.labelled('Tunnel', combo_box_text(), |
| 1069 | newlinep = True, width = 3) |
| 1070 | me.tuns = conn.tunnels() |
| 1071 | for t in me.tuns: |
| 1072 | me.l_tunnel.append_text(t) |
| 1073 | me.l_tunnel.set_active(0) |
| 1074 | |
| 1075 | def tickybox_sensitivity(tickybox, target): |
| 1076 | tickybox.connect('toggled', |
| 1077 | lambda t: target.set_sensitive (t.get_active())) |
| 1078 | |
| 1079 | me.c_keepalive = G.CheckButton('Keepalives') |
| 1080 | table.pack(me.c_keepalive, newlinep = True, xopt = G.FILL) |
| 1081 | me.e_keepalive = ValidatingEntry(r'^\d+[hms]?$', '', 5) |
| 1082 | me.e_keepalive.set_sensitive(False) |
| 1083 | tickybox_sensitivity(me.c_keepalive, me.e_keepalive) |
| 1084 | table.pack(me.e_keepalive, width = 3) |
| 1085 | |
| 1086 | me.c_mobile = G.CheckButton('Mobile') |
| 1087 | table.pack(me.c_mobile, newlinep = True, width = 4, xopt = G.FILL) |
| 1088 | |
| 1089 | me.c_peerkey = G.CheckButton('Peer key tag') |
| 1090 | table.pack(me.c_peerkey, newlinep = True, xopt = G.FILL) |
| 1091 | me.e_peerkey = ValidatingEntry(r'^[^.:\s]+$', '', 16) |
| 1092 | me.e_peerkey.set_sensitive(False) |
| 1093 | tickybox_sensitivity(me.c_peerkey, me.e_peerkey) |
| 1094 | table.pack(me.e_peerkey, width = 3) |
| 1095 | |
| 1096 | me.c_privkey = G.CheckButton('Private key tag') |
| 1097 | table.pack(me.c_privkey, newlinep = True, xopt = G.FILL) |
| 1098 | me.e_privkey = ValidatingEntry(r'^[^.:\s]+$', '', 16) |
| 1099 | me.e_privkey.set_sensitive(False) |
| 1100 | tickybox_sensitivity(me.c_privkey, me.e_privkey) |
| 1101 | table.pack(me.e_privkey, width = 3) |
| 1102 | |
| 1103 | me.show_all() |
| 1104 | |
| 1105 | def ok(me): |
| 1106 | """Handle an OK press: create the peer.""" |
| 1107 | try: |
| 1108 | t = me.l_tunnel.get_active() |
| 1109 | me._addpeer(me.e_name.get_text(), |
| 1110 | me.e_addr.get_text(), |
| 1111 | me.e_port.get_text(), |
| 1112 | keepalive = (me.c_keepalive.get_active() and |
| 1113 | me.e_keepalive.get_text() or None), |
| 1114 | tunnel = t and me.tuns[t] or None, |
| 1115 | key = (me.c_peerkey.get_active() and |
| 1116 | me.e_peerkey.get_text() or None), |
| 1117 | priv = (me.c_privkey.get_active() and |
| 1118 | me.e_privkey.get_text() or None)) |
| 1119 | except ValidationError: |
| 1120 | GDK.beep() |
| 1121 | return |
| 1122 | |
| 1123 | @incr |
| 1124 | def _addpeer(me, *args, **kw): |
| 1125 | """Coroutine function: actually do the ADD command.""" |
| 1126 | try: |
| 1127 | conn.add(*args, **kw) |
| 1128 | me.destroy() |
| 1129 | except T.TripeError, exc: |
| 1130 | T.defer(moanbox, ' '.join(exc)) |
| 1131 | |
| 1132 | class ServInfo (TrivialWindow): |
| 1133 | """ |
| 1134 | Show information about the server and available services. |
| 1135 | |
| 1136 | Interesting attributes: |
| 1137 | |
| 1138 | * e: maps SERVINFO keys to entry widgets |
| 1139 | * svcs: Gtk ListStore describing services (columns are name and version) |
| 1140 | """ |
| 1141 | |
| 1142 | def __init__(me): |
| 1143 | TrivialWindow.__init__(me) |
| 1144 | me.set_title('TrIPE server info') |
| 1145 | table = GridPacker() |
| 1146 | me.add(table) |
| 1147 | me.e = {} |
| 1148 | def add(label, tag, text = None, **kw): |
| 1149 | me.e[tag] = table.info(label, text, **kw) |
| 1150 | add('Implementation', 'implementation') |
| 1151 | add('Version', 'version', newlinep = True) |
| 1152 | me.svcs = G.ListStore(*(GO.TYPE_STRING,) * 2) |
| 1153 | me.svcs.set_sort_column_id(0, G.SORT_ASCENDING) |
| 1154 | scr = MyScrolledWindow() |
| 1155 | lb = MyTreeView(me.svcs) |
| 1156 | i = 0 |
| 1157 | for title in 'Service', 'Version': |
| 1158 | lb.append_column(G.TreeViewColumn( |
| 1159 | title, G.CellRendererText(), text = i)) |
| 1160 | i += 1 |
| 1161 | for svc in monitor.services: |
| 1162 | me.svcs.append([svc.name, svc.version]) |
| 1163 | scr.add(lb) |
| 1164 | table.pack(scr, width = 2, newlinep = True, |
| 1165 | yopt = G.EXPAND | G.FILL | G.SHRINK) |
| 1166 | me.update() |
| 1167 | me.hook(conn.connecthook, me.update) |
| 1168 | me.hook(monitor.services.addhook, me.addsvc) |
| 1169 | me.hook(monitor.services.delhook, me.delsvc) |
| 1170 | me.show_all() |
| 1171 | |
| 1172 | def addsvc(me, svc): |
| 1173 | me.svcs.append([svc.name, svc.version]) |
| 1174 | |
| 1175 | def delsvc(me, svc): |
| 1176 | for i in xrange(len(me.svcs)): |
| 1177 | if me.svcs[i][0] == svc.name: |
| 1178 | me.svcs.remove(me.svcs.get_iter(i)) |
| 1179 | break |
| 1180 | @incr |
| 1181 | def update(me): |
| 1182 | info = conn.servinfo() |
| 1183 | for i in me.e: |
| 1184 | me.e[i].set_text(info[i]) |
| 1185 | |
| 1186 | class TraceOptions (MyDialog): |
| 1187 | """Tracing options window.""" |
| 1188 | def __init__(me): |
| 1189 | MyDialog.__init__(me, title = 'Tracing options', |
| 1190 | buttons = [(G.STOCK_CLOSE, me.destroy), |
| 1191 | (G.STOCK_OK, cr(me.ok))]) |
| 1192 | me._setup() |
| 1193 | |
| 1194 | @incr |
| 1195 | def _setup(me): |
| 1196 | me.opts = [] |
| 1197 | for ch, st, desc in conn.trace(): |
| 1198 | if ch.isupper(): continue |
| 1199 | text = desc[0].upper() + desc[1:] |
| 1200 | ticky = G.CheckButton(text) |
| 1201 | ticky.set_active(st == '+') |
| 1202 | me.vbox.pack_start(ticky, True, True, 0) |
| 1203 | me.opts.append((ch, ticky)) |
| 1204 | me.show_all() |
| 1205 | def ok(me): |
| 1206 | on = [] |
| 1207 | off = [] |
| 1208 | for ch, ticky in me.opts: |
| 1209 | if ticky.get_active(): |
| 1210 | on.append(ch) |
| 1211 | else: |
| 1212 | off.append(ch) |
| 1213 | setting = ''.join(on) + '-' + ''.join(off) |
| 1214 | conn.trace(setting) |
| 1215 | me.destroy() |
| 1216 | |
| 1217 | ###-------------------------------------------------------------------------- |
| 1218 | ### Peer window. |
| 1219 | |
| 1220 | def xlate_time(t): |
| 1221 | """Translate a TrIPE-format time to something human-readable.""" |
| 1222 | if t == 'NEVER': return '(never)' |
| 1223 | YY, MM, DD, hh, mm, ss = map(int, rx_time.match(t).group(1, 2, 3, 4, 5, 6)) |
| 1224 | ago = TIME.time() - TIME.mktime((YY, MM, DD, hh, mm, ss, 0, 0, -1)) |
| 1225 | ago = MATH.floor(ago); unit = 's' |
| 1226 | for n, u in [(60, 'min'), (60, 'hrs'), (24, 'days')]: |
| 1227 | if ago < 2*n: break |
| 1228 | ago /= n |
| 1229 | unit = u |
| 1230 | return '%04d:%02d:%02d %02d:%02d:%02d (%.1f %s ago)' % \ |
| 1231 | (YY, MM, DD, hh, mm, ss, ago, unit) |
| 1232 | def xlate_bytes(b): |
| 1233 | """Translate a number of bytes into something a human might want to read.""" |
| 1234 | suff = 'B' |
| 1235 | b = int(b) |
| 1236 | for s in 'KMG': |
| 1237 | if b < 4096: break |
| 1238 | b /= 1024 |
| 1239 | suff = s |
| 1240 | return '%d %s' % (b, suff) |
| 1241 | |
| 1242 | ## How to translate peer stats. Maps the stat name to a translation |
| 1243 | ## function. |
| 1244 | statsxlate = \ |
| 1245 | [('start-time', xlate_time), |
| 1246 | ('last-packet-time', xlate_time), |
| 1247 | ('last-keyexch-time', xlate_time), |
| 1248 | ('bytes-in', xlate_bytes), |
| 1249 | ('bytes-out', xlate_bytes), |
| 1250 | ('keyexch-bytes-in', xlate_bytes), |
| 1251 | ('keyexch-bytes-out', xlate_bytes), |
| 1252 | ('ip-bytes-in', xlate_bytes), |
| 1253 | ('ip-bytes-out', xlate_bytes)] |
| 1254 | |
| 1255 | ## How to lay out the stats dialog. Format is (LABEL, FORMAT): LABEL is |
| 1256 | ## the label to give the entry box; FORMAT is the format string to write into |
| 1257 | ## the entry. |
| 1258 | statslayout = \ |
| 1259 | [('Start time', '%(start-time)s'), |
| 1260 | ('Private key', '%(current-key)s'), |
| 1261 | ('Diffie-Hellman group', |
| 1262 | '%(kx-group)s ' |
| 1263 | '(%(kx-group-order-bits)s-bit order, ' |
| 1264 | '%(kx-group-elt-bits)s-bit elements)'), |
| 1265 | ('Cipher', |
| 1266 | '%(cipher)s (%(cipher-keysz)s-bit key, %(cipher-blksz)s-bit block)'), |
| 1267 | ('Mac', '%(mac)s (%(mac-keysz)s-bit key, %(mac-tagsz)s-bit tag)'), |
| 1268 | ('Hash', '%(hash)s (%(hash-sz)s-bit output)'), |
| 1269 | ('Last key-exchange', '%(last-keyexch-time)s'), |
| 1270 | ('Last packet', '%(last-packet-time)s'), |
| 1271 | ('Packets in/out', |
| 1272 | '%(packets-in)s (%(bytes-in)s) / %(packets-out)s (%(bytes-out)s)'), |
| 1273 | ('Key-exchange in/out', |
| 1274 | '%(keyexch-packets-in)s (%(keyexch-bytes-in)s) / %(keyexch-packets-out)s (%(keyexch-bytes-out)s)'), |
| 1275 | ('IP in/out', |
| 1276 | '%(ip-packets-in)s (%(ip-bytes-in)s) / %(ip-packets-out)s (%(ip-bytes-out)s)'), |
| 1277 | ('Rejected packets', '%(rejected-packets)s')] |
| 1278 | |
| 1279 | class PeerWindow (TrivialWindow): |
| 1280 | """ |
| 1281 | Show information about a peer. |
| 1282 | |
| 1283 | This gives a graphical view of the server's peer statistics. |
| 1284 | |
| 1285 | Interesting attributes: |
| 1286 | |
| 1287 | * e: dict mapping keys (mostly matching label widget texts, though pings |
| 1288 | use command names) to entry widgets so that we can update them easily |
| 1289 | * peer: the peer this window shows information about |
| 1290 | * cr: the info-fetching coroutine, or None if crrrently disconnected |
| 1291 | * doupate: whether the info-fetching corouting should continue running |
| 1292 | """ |
| 1293 | |
| 1294 | def __init__(me, peer): |
| 1295 | """Construct a PeerWindow, showing information about PEER.""" |
| 1296 | |
| 1297 | TrivialWindow.__init__(me) |
| 1298 | me.set_title('TrIPE statistics: %s' % peer.name) |
| 1299 | me.peer = peer |
| 1300 | |
| 1301 | table = GridPacker() |
| 1302 | me.add(table) |
| 1303 | |
| 1304 | ## Utility for adding fields. |
| 1305 | me.e = {} |
| 1306 | def add(label, text = None, key = None): |
| 1307 | if key is None: key = label |
| 1308 | me.e[key] = table.info(label, text, len = 42, newlinep = True) |
| 1309 | |
| 1310 | ## Build the dialogue box. |
| 1311 | add('Peer name', peer.name) |
| 1312 | add('Tunnel', peer.tunnel) |
| 1313 | add('Interface', peer.ifname) |
| 1314 | add('Keepalives', |
| 1315 | (peer.keepalive == '0' and 'never') or '%s s' % peer.keepalive) |
| 1316 | add('Address', peer.addr) |
| 1317 | add('Transport pings', key = 'PING') |
| 1318 | add('Encrypted pings', key = 'EPING') |
| 1319 | |
| 1320 | for label, format in statslayout: |
| 1321 | add(label) |
| 1322 | |
| 1323 | ## Hook onto various interesting events. |
| 1324 | me.hook(conn.connecthook, me.tryupdate) |
| 1325 | me.hook(conn.disconnecthook, me.stopupdate) |
| 1326 | me.hook(me.closehook, me.stopupdate) |
| 1327 | me.hook(me.peer.deadhook, me.dead) |
| 1328 | me.hook(me.peer.changehook, me.change) |
| 1329 | me.hook(me.peer.pinghook, me.ping) |
| 1330 | me.cr = None |
| 1331 | me.doupdate = True |
| 1332 | me.tryupdate() |
| 1333 | |
| 1334 | ## Format the ping statistics. |
| 1335 | for cmd, ps in me.peer.ping.iteritems(): |
| 1336 | me.ping(me.peer, cmd, ps) |
| 1337 | |
| 1338 | ## And show the window. |
| 1339 | me.show_all() |
| 1340 | |
| 1341 | def change(me): |
| 1342 | """Update the display in response to a notification.""" |
| 1343 | me.e['Interface'].set_text(me.peer.ifname) |
| 1344 | |
| 1345 | def _update(me): |
| 1346 | """ |
| 1347 | Main display-updating coroutine. |
| 1348 | |
| 1349 | This does an update, sleeps for a while, and starts again. If the |
| 1350 | me.doupdate flag goes low, we stop the loop. |
| 1351 | """ |
| 1352 | while me.peer.alivep and conn.connectedp() and me.doupdate: |
| 1353 | stat = conn.stats(me.peer.name) |
| 1354 | for s, trans in statsxlate: |
| 1355 | stat[s] = trans(stat[s]) |
| 1356 | stat.update(me.peer.__dict__) |
| 1357 | for label, format in statslayout: |
| 1358 | me.e[label].set_text(format % stat) |
| 1359 | GL.timeout_add(1000, lambda: me.cr.switch() and False) |
| 1360 | me.cr.parent.switch() |
| 1361 | me.cr = None |
| 1362 | |
| 1363 | def tryupdate(me): |
| 1364 | """Start the updater coroutine, if it's not going already.""" |
| 1365 | if me.cr is None: |
| 1366 | me.cr = T.Coroutine(me._update, |
| 1367 | name = 'update-peer-window %s' % me.peer.name) |
| 1368 | me.cr.switch() |
| 1369 | |
| 1370 | def stopupdate(me, *hunoz, **hukairz): |
| 1371 | """Stop the update coroutine, by setting me.doupdate.""" |
| 1372 | me.doupdate = False |
| 1373 | |
| 1374 | def dead(me): |
| 1375 | """Called when the peer is killed.""" |
| 1376 | me.set_title('TrIPE statistics: %s [defunct]' % me.peer.name) |
| 1377 | me.e['Peer name'].set_text('%s [defunct]' % me.peer.name) |
| 1378 | me.stopupdate() |
| 1379 | |
| 1380 | def ping(me, peer, cmd, ps): |
| 1381 | """Called when a ping result for the peer is reported.""" |
| 1382 | s = '%d/%d' % (ps.ngood, ps.n) |
| 1383 | if ps.n: |
| 1384 | s += ' (%.1f%%)' % (ps.ngood * 100.0/ps.n) |
| 1385 | if ps.ngood: |
| 1386 | s += '; %.2f ms (last %.1f ms)' % (ps.ttot/ps.ngood, ps.tlast); |
| 1387 | me.e[ps.command].set_text(s) |
| 1388 | |
| 1389 | ###-------------------------------------------------------------------------- |
| 1390 | ### Cryptographic status. |
| 1391 | |
| 1392 | class CryptoInfo (TrivialWindow): |
| 1393 | """Simple display of cryptographic algorithms in use.""" |
| 1394 | def __init__(me): |
| 1395 | TrivialWindow.__init__(me) |
| 1396 | me.set_title('Cryptographic algorithms') |
| 1397 | T.aside(me.populate) |
| 1398 | def populate(me): |
| 1399 | table = GridPacker() |
| 1400 | me.add(table) |
| 1401 | |
| 1402 | crypto = conn.algs() |
| 1403 | table.info('Diffie-Hellman group', |
| 1404 | '%s (%d-bit order, %d-bit elements)' % |
| 1405 | (crypto['kx-group'], |
| 1406 | int(crypto['kx-group-order-bits']), |
| 1407 | int(crypto['kx-group-elt-bits'])), |
| 1408 | len = 32) |
| 1409 | table.info('Data encryption', |
| 1410 | '%s (%d-bit key; %s)' % |
| 1411 | (crypto['cipher'], |
| 1412 | int(crypto['cipher-keysz']) * 8, |
| 1413 | crypto['cipher-blksz'] == '0' |
| 1414 | and 'stream cipher' |
| 1415 | or '%d-bit block' % (int(crypto['cipher-blksz']) * 8)), |
| 1416 | newlinep = True) |
| 1417 | table.info('Message authentication', |
| 1418 | '%s (%d-bit key; %d-bit tag)' % |
| 1419 | (crypto['mac'], |
| 1420 | int(crypto['mac-keysz']) * 8, |
| 1421 | int(crypto['mac-tagsz']) * 8), |
| 1422 | newlinep = True) |
| 1423 | table.info('Hash function', |
| 1424 | '%s (%d-bit output)' % |
| 1425 | (crypto['hash'], |
| 1426 | int(crypto['hash-sz']) * 8), |
| 1427 | newlinep = True) |
| 1428 | |
| 1429 | me.show_all() |
| 1430 | |
| 1431 | ###-------------------------------------------------------------------------- |
| 1432 | ### Main monitor window. |
| 1433 | |
| 1434 | class MonitorWindow (MyWindow): |
| 1435 | |
| 1436 | """ |
| 1437 | The main monitor window. |
| 1438 | |
| 1439 | This class creates, populates and maintains the main monitor window. |
| 1440 | |
| 1441 | Lots of attributes: |
| 1442 | |
| 1443 | * warnings, trace: log models for server output |
| 1444 | * warnview, traceview, traceopts, addpeerwin, cryptoinfo, servinfo: |
| 1445 | WindowSlot objects for ancillary windows |
| 1446 | * ui: Gtk UIManager object for the menu system |
| 1447 | * apmenu: pair of identical autoconnecting peer menus |
| 1448 | * listmodel: Gtk ListStore for connected peers; contains peer name, |
| 1449 | address, and ping times (transport and encrypted, value and colour) |
| 1450 | * status: Gtk Statusbar at the bottom of the window |
| 1451 | * _kidding: an unpleasant backchannel between the apchange method (which |
| 1452 | builds the apmenus) and the menu handler, forced on us by a Gtk |
| 1453 | misfeature |
| 1454 | |
| 1455 | Also installs attributes on Peer objects: |
| 1456 | |
| 1457 | * i: index of peer's entry in listmodel |
| 1458 | * win: WindowSlot object for the peer's PeerWindow |
| 1459 | """ |
| 1460 | |
| 1461 | def __init__(me): |
| 1462 | """Construct the window.""" |
| 1463 | |
| 1464 | ## Basic stuff. |
| 1465 | MyWindow.__init__(me) |
| 1466 | me.set_title('TrIPE monitor') |
| 1467 | |
| 1468 | ## Hook onto diagnostic outputs. |
| 1469 | me.warnings = WarningLogModel() |
| 1470 | me.hook(conn.warnhook, me.warnings.notify) |
| 1471 | me.trace = TraceLogModel() |
| 1472 | me.hook(conn.tracehook, me.trace.notify) |
| 1473 | |
| 1474 | ## Make slots to store the various ancillary singleton windows. |
| 1475 | me.warnview = WindowSlot(lambda: LogViewer(me.warnings)) |
| 1476 | me.traceview = WindowSlot(lambda: LogViewer(me.trace)) |
| 1477 | me.traceopts = WindowSlot(lambda: TraceOptions()) |
| 1478 | me.addpeerwin = WindowSlot(lambda: AddPeerDialog()) |
| 1479 | me.cryptoinfo = WindowSlot(lambda: CryptoInfo()) |
| 1480 | me.servinfo = WindowSlot(lambda: ServInfo()) |
| 1481 | |
| 1482 | ## Main window structure. |
| 1483 | vbox = G.VBox() |
| 1484 | me.add(vbox) |
| 1485 | |
| 1486 | ## UI manager makes our menus. (We're too cheap to have a toolbar.) |
| 1487 | me.ui = G.UIManager() |
| 1488 | actgroup = makeactiongroup('monitor', |
| 1489 | [('file-menu', '_File', None, None), |
| 1490 | ('connect', '_Connect', '<Control>C', conn.connect), |
| 1491 | ('disconnect', '_Disconnect', '<Control>D', |
| 1492 | lambda: conn.disconnect(None)), |
| 1493 | ('quit', '_Quit', '<Control>Q', me.close), |
| 1494 | ('server-menu', '_Server', None, None), |
| 1495 | ('daemon', 'Run in _background', None, cr(conn.daemon)), |
| 1496 | ('server-version', 'Server version', '<Control>V', me.servinfo.open), |
| 1497 | ('crypto-algs', 'Cryptographic algorithms', |
| 1498 | '<Control>Y', me.cryptoinfo.open), |
| 1499 | ('reload-keys', 'Reload keys', '<Control>R', cr(conn.reload)), |
| 1500 | ('server-quit', 'Terminate server', None, cr(conn.quit)), |
| 1501 | ('conn-peer', 'Connect peer', None, None), |
| 1502 | ('logs-menu', '_Logs', None, None), |
| 1503 | ('show-warnings', 'Show _warnings', '<Control>W', me.warnview.open), |
| 1504 | ('show-trace', 'Show _trace', '<Control>T', me.traceview.open), |
| 1505 | ('trace-options', 'Trace _options...', None, me.traceopts.open), |
| 1506 | ('help-menu', '_Help', None, None), |
| 1507 | ('about', '_About tripemon...', None, aboutbox.open), |
| 1508 | ('add-peer', '_Add peer...', '<Control>A', me.addpeerwin.open), |
| 1509 | ('kill-peer', '_Kill peer', None, me.killpeer), |
| 1510 | ('force-kx', 'Force key e_xchange', None, me.forcekx)]) |
| 1511 | |
| 1512 | ## Menu structures. |
| 1513 | uidef = ''' |
| 1514 | <ui> |
| 1515 | <menubar> |
| 1516 | <menu action="file-menu"> |
| 1517 | <menuitem action="quit"/> |
| 1518 | </menu> |
| 1519 | <menu action="server-menu"> |
| 1520 | <menuitem action="connect"/> |
| 1521 | <menuitem action="disconnect"/> |
| 1522 | <separator/> |
| 1523 | <menuitem action="server-version"/> |
| 1524 | <menuitem action="crypto-algs"/> |
| 1525 | <menuitem action="add-peer"/> |
| 1526 | <menuitem action="conn-peer"/> |
| 1527 | <menuitem action="daemon"/> |
| 1528 | <menuitem action="reload-keys"/> |
| 1529 | <separator/> |
| 1530 | <menuitem action="server-quit"/> |
| 1531 | </menu> |
| 1532 | <menu action="logs-menu"> |
| 1533 | <menuitem action="show-warnings"/> |
| 1534 | <menuitem action="show-trace"/> |
| 1535 | <menuitem action="trace-options"/> |
| 1536 | </menu> |
| 1537 | <menu action="help-menu"> |
| 1538 | <menuitem action="about"/> |
| 1539 | </menu> |
| 1540 | </menubar> |
| 1541 | <popup name="peer-popup"> |
| 1542 | <menuitem action="add-peer"/> |
| 1543 | <menuitem action="conn-peer"/> |
| 1544 | <menuitem action="kill-peer"/> |
| 1545 | <menuitem action="force-kx"/> |
| 1546 | </popup> |
| 1547 | </ui> |
| 1548 | ''' |
| 1549 | |
| 1550 | ## Populate the UI manager. |
| 1551 | me.ui.insert_action_group(actgroup, 0) |
| 1552 | me.ui.add_ui_from_string(uidef) |
| 1553 | |
| 1554 | ## Construct the menu bar. |
| 1555 | vbox.pack_start(me.ui.get_widget('/menubar'), False, True, 0) |
| 1556 | me.add_accel_group(me.ui.get_accel_group()) |
| 1557 | |
| 1558 | ## Construct and attach the auto-peers menu. (This is a horrible bodge |
| 1559 | ## because we can't attach the same submenu in two different places.) |
| 1560 | me.apmenu = G.Menu(), G.Menu() |
| 1561 | me.ui.get_widget('/menubar/server-menu/conn-peer') \ |
| 1562 | .set_submenu(me.apmenu[0]) |
| 1563 | me.ui.get_widget('/peer-popup/conn-peer').set_submenu(me.apmenu[1]) |
| 1564 | |
| 1565 | ## Construct the main list model, and listen on hooks which report |
| 1566 | ## changes to the available peers. |
| 1567 | me.listmodel = G.ListStore(*(GO.TYPE_STRING,) * 6) |
| 1568 | me.listmodel.set_sort_column_id(0, G.SORT_ASCENDING) |
| 1569 | me.hook(monitor.peers.addhook, me.addpeer) |
| 1570 | me.hook(monitor.peers.delhook, me.delpeer) |
| 1571 | me.hook(monitor.autopeershook, me.apchange) |
| 1572 | |
| 1573 | ## Construct the list viewer and put it in a scrolling window. |
| 1574 | scr = MyScrolledWindow() |
| 1575 | me.list = MyTreeView(me.listmodel) |
| 1576 | me.list.append_column(G.TreeViewColumn('Peer name', |
| 1577 | G.CellRendererText(), |
| 1578 | text = 0)) |
| 1579 | me.list.append_column(G.TreeViewColumn('Address', |
| 1580 | G.CellRendererText(), |
| 1581 | text = 1)) |
| 1582 | me.list.append_column(G.TreeViewColumn('T-ping', |
| 1583 | G.CellRendererText(), |
| 1584 | text = 2, |
| 1585 | foreground = 3)) |
| 1586 | me.list.append_column(G.TreeViewColumn('E-ping', |
| 1587 | G.CellRendererText(), |
| 1588 | text = 4, |
| 1589 | foreground = 5)) |
| 1590 | me.list.get_column(1).set_expand(True) |
| 1591 | me.list.connect('row-activated', me.activate) |
| 1592 | me.list.connect('button-press-event', me.buttonpress) |
| 1593 | me.list.set_reorderable(True) |
| 1594 | me.list.get_selection().set_mode(G.SELECTION_NONE) |
| 1595 | scr.add(me.list) |
| 1596 | vbox.pack_start(scr, True, True, 0) |
| 1597 | |
| 1598 | ## Construct the status bar, and listen on hooks which report changes to |
| 1599 | ## connection status. |
| 1600 | me.status = G.Statusbar() |
| 1601 | vbox.pack_start(me.status, False, True, 0) |
| 1602 | me.hook(conn.connecthook, cr(me.connected)) |
| 1603 | me.hook(conn.disconnecthook, me.disconnected) |
| 1604 | me.hook(conn.notehook, me.notify) |
| 1605 | |
| 1606 | ## Set a plausible default window size. |
| 1607 | me.set_default_size(512, 180) |
| 1608 | |
| 1609 | def addpeer(me, peer): |
| 1610 | """Hook: announces that PEER has been added.""" |
| 1611 | peer.i = me.listmodel.append([peer.name, peer.addr, |
| 1612 | '???', 'green', '???', 'green']) |
| 1613 | peer.win = WindowSlot(lambda: PeerWindow(peer)) |
| 1614 | me.hook(peer.pinghook, me._ping) |
| 1615 | me.apchange() |
| 1616 | |
| 1617 | def delpeer(me, peer): |
| 1618 | """Hook: announces that PEER has been removed.""" |
| 1619 | me.listmodel.remove(peer.i) |
| 1620 | me.unhook(peer.pinghook) |
| 1621 | me.apchange() |
| 1622 | |
| 1623 | def path_peer(me, path): |
| 1624 | """Return the peer corresponding to a given list-model PATH.""" |
| 1625 | return monitor.peers[me.listmodel[path][0]] |
| 1626 | |
| 1627 | def apchange(me): |
| 1628 | """ |
| 1629 | Hook: announces that a change has been made to the peers available for |
| 1630 | automated connection. |
| 1631 | |
| 1632 | This populates both auto-peer menus and keeps them in sync. (As |
| 1633 | mentioned above, we can't attach the same submenu to two separate parent |
| 1634 | menu items. So we end up with two identical menus instead. Yes, this |
| 1635 | does suck.) |
| 1636 | """ |
| 1637 | |
| 1638 | ## The set_active method of a CheckMenuItem works by maybe activating the |
| 1639 | ## menu item. This signals our handler. But we don't actually want to |
| 1640 | ## signal the handler unless the user actually frobbed the item. So the |
| 1641 | ## _kidding flag is used as an underhanded way of telling the handler |
| 1642 | ## that we don't actually want it to do anything. Of course, this sucks |
| 1643 | ## mightily. |
| 1644 | me._kidding = True |
| 1645 | |
| 1646 | ## Iterate over the two menus. |
| 1647 | for m in 0, 1: |
| 1648 | menu = me.apmenu[m] |
| 1649 | existing = menu.get_children() |
| 1650 | if monitor.autopeers is None: |
| 1651 | |
| 1652 | ## No peers, so empty out the menu. |
| 1653 | for item in existing: |
| 1654 | menu.remove(item) |
| 1655 | |
| 1656 | else: |
| 1657 | |
| 1658 | ## Insert the new items into the menu. (XXX this seems buggy XXX) |
| 1659 | ## Tick the peers which are actually connected. |
| 1660 | i = j = 0 |
| 1661 | for peer in monitor.autopeers: |
| 1662 | if j < len(existing) and \ |
| 1663 | existing[j].get_child().get_text() == peer: |
| 1664 | item = existing[j] |
| 1665 | j += 1 |
| 1666 | else: |
| 1667 | item = G.CheckMenuItem(peer, use_underline = False) |
| 1668 | item.connect('activate', invoker(me._addautopeer, peer)) |
| 1669 | menu.insert(item, i) |
| 1670 | item.set_active(peer in monitor.peers.table) |
| 1671 | i += 1 |
| 1672 | |
| 1673 | ## Make all the menu items visible. |
| 1674 | menu.show_all() |
| 1675 | |
| 1676 | ## Set the parent menu items sensitive if and only if there are any peers |
| 1677 | ## to connect. |
| 1678 | for name in ['/menubar/server-menu/conn-peer', '/peer-popup/conn-peer']: |
| 1679 | me.ui.get_widget(name).set_sensitive(bool(monitor.autopeers)) |
| 1680 | |
| 1681 | ## And now allow the handler to do its business normally. |
| 1682 | me._kidding = False |
| 1683 | |
| 1684 | def _addautopeer(me, peer): |
| 1685 | """ |
| 1686 | Automatically connect an auto-peer. |
| 1687 | |
| 1688 | This method is invoked from the main coroutine. Since the actual |
| 1689 | connection needs to issue administration commands, we must spawn a new |
| 1690 | child coroutine for it. |
| 1691 | """ |
| 1692 | if me._kidding: |
| 1693 | return |
| 1694 | T.Coroutine(me._addautopeer_hack, |
| 1695 | name = '_addautopeerhack %s' % peer).switch(peer) |
| 1696 | |
| 1697 | def _addautopeer_hack(me, peer): |
| 1698 | """Make an automated connection to PEER in response to a user click.""" |
| 1699 | if me._kidding: |
| 1700 | return |
| 1701 | try: |
| 1702 | T._simple(conn.svcsubmit('connect', 'active', peer)) |
| 1703 | except T.TripeError, exc: |
| 1704 | T.defer(moanbox, ' '.join(exc.args)) |
| 1705 | me.apchange() |
| 1706 | |
| 1707 | def activate(me, l, path, col): |
| 1708 | """ |
| 1709 | Handle a double-click on a peer in the main list: open a PeerInfo window. |
| 1710 | """ |
| 1711 | peer = me.path_peer(path) |
| 1712 | peer.win.open() |
| 1713 | |
| 1714 | def buttonpress(me, l, ev): |
| 1715 | """ |
| 1716 | Handle a mouse click on the main list. |
| 1717 | |
| 1718 | Currently we're only interested in button-3, which pops up the peer menu. |
| 1719 | For future reference, we stash the peer that was clicked in me.menupeer. |
| 1720 | """ |
| 1721 | if ev.button == 3: |
| 1722 | x, y = int(ev.x), int(ev.y) |
| 1723 | r = me.list.get_path_at_pos(x, y) |
| 1724 | for i in '/peer-popup/kill-peer', '/peer-popup/force-kx': |
| 1725 | me.ui.get_widget(i).set_sensitive(conn.connectedp() and |
| 1726 | r is not None) |
| 1727 | me.ui.get_widget('/peer-popup/conn-peer'). \ |
| 1728 | set_sensitive(bool(monitor.autopeers)) |
| 1729 | if r: |
| 1730 | me.menupeer = me.path_peer(r[0]) |
| 1731 | else: |
| 1732 | me.menupeer = None |
| 1733 | me.ui.get_widget('/peer-popup').popup( |
| 1734 | None, None, None, ev.button, ev.time) |
| 1735 | |
| 1736 | def killpeer(me): |
| 1737 | """Kill a peer from the popup menu.""" |
| 1738 | cr(conn.kill, me.menupeer.name)() |
| 1739 | |
| 1740 | def forcekx(me): |
| 1741 | """Kickstart a key-exchange from the popup menu.""" |
| 1742 | cr(conn.forcekx, me.menupeer.name)() |
| 1743 | |
| 1744 | _columnmap = {'PING': (2, 3), 'EPING': (4, 5)} |
| 1745 | def _ping(me, p, cmd, ps): |
| 1746 | """Hook: responds to ping reports.""" |
| 1747 | textcol, colourcol = me._columnmap[cmd] |
| 1748 | if ps.nmissrun: |
| 1749 | me.listmodel[p.i][textcol] = '(miss %d)' % ps.nmissrun |
| 1750 | me.listmodel[p.i][colourcol] = 'red' |
| 1751 | else: |
| 1752 | me.listmodel[p.i][textcol] = '%.1f ms' % ps.tlast |
| 1753 | me.listmodel[p.i][colourcol] = 'black' |
| 1754 | |
| 1755 | def setstatus(me, status): |
| 1756 | """Update the message in the status bar.""" |
| 1757 | me.status.pop(0) |
| 1758 | me.status.push(0, status) |
| 1759 | |
| 1760 | def notify(me, note, *rest): |
| 1761 | """Hook: invoked when interesting notifications occur.""" |
| 1762 | if note == 'DAEMON': |
| 1763 | me.ui.get_widget('/menubar/server-menu/daemon').set_sensitive(False) |
| 1764 | |
| 1765 | def connected(me): |
| 1766 | """ |
| 1767 | Hook: invoked when a connection is made to the server. |
| 1768 | |
| 1769 | Make options which require a server connection sensitive. |
| 1770 | """ |
| 1771 | me.setstatus('Connected (port %s)' % conn.port()) |
| 1772 | me.ui.get_widget('/menubar/server-menu/connect').set_sensitive(False) |
| 1773 | for i in ('/menubar/server-menu/disconnect', |
| 1774 | '/menubar/server-menu/server-version', |
| 1775 | '/menubar/server-menu/add-peer', |
| 1776 | '/menubar/server-menu/server-quit', |
| 1777 | '/menubar/logs-menu/trace-options'): |
| 1778 | me.ui.get_widget(i).set_sensitive(True) |
| 1779 | me.ui.get_widget('/menubar/server-menu/conn-peer'). \ |
| 1780 | set_sensitive(bool(monitor.autopeers)) |
| 1781 | me.ui.get_widget('/menubar/server-menu/daemon'). \ |
| 1782 | set_sensitive(conn.servinfo()['daemon'] == 'nil') |
| 1783 | |
| 1784 | def disconnected(me, reason): |
| 1785 | """ |
| 1786 | Hook: invoked when the connection to the server is lost. |
| 1787 | |
| 1788 | Make most options insensitive. |
| 1789 | """ |
| 1790 | me.setstatus('Disconnected') |
| 1791 | me.ui.get_widget('/menubar/server-menu/connect').set_sensitive(True) |
| 1792 | for i in ('/menubar/server-menu/disconnect', |
| 1793 | '/menubar/server-menu/server-version', |
| 1794 | '/menubar/server-menu/add-peer', |
| 1795 | '/menubar/server-menu/conn-peer', |
| 1796 | '/menubar/server-menu/daemon', |
| 1797 | '/menubar/server-menu/server-quit', |
| 1798 | '/menubar/logs-menu/trace-options'): |
| 1799 | me.ui.get_widget(i).set_sensitive(False) |
| 1800 | if reason: moanbox(reason) |
| 1801 | |
| 1802 | ###-------------------------------------------------------------------------- |
| 1803 | ### Main program. |
| 1804 | |
| 1805 | def parse_options(): |
| 1806 | """ |
| 1807 | Parse command-line options. |
| 1808 | |
| 1809 | Process the boring ones. Return all of them, for later. |
| 1810 | """ |
| 1811 | op = OptionParser(usage = '%prog [-a FILE] [-d DIR]', |
| 1812 | version = '%prog (tripe version 1.0.0)') |
| 1813 | op.add_option('-a', '--admin-socket', |
| 1814 | metavar = 'FILE', dest = 'tripesock', default = T.tripesock, |
| 1815 | help = 'Select socket to connect to [default %default]') |
| 1816 | op.add_option('-d', '--directory', |
| 1817 | metavar = 'DIR', dest = 'dir', default = T.configdir, |
| 1818 | help = 'Select current diretory [default %default]') |
| 1819 | opts, args = op.parse_args() |
| 1820 | if args: op.error('no arguments permitted') |
| 1821 | OS.chdir(opts.dir) |
| 1822 | return opts |
| 1823 | |
| 1824 | def init(opts): |
| 1825 | """Initialization.""" |
| 1826 | |
| 1827 | global conn, monitor, pinger |
| 1828 | |
| 1829 | ## Try to establish a connection. |
| 1830 | conn = Connection(opts.tripesock) |
| 1831 | |
| 1832 | ## Make the main interesting coroutines and objects. |
| 1833 | monitor = Monitor() |
| 1834 | pinger = Pinger() |
| 1835 | pinger.switch() |
| 1836 | |
| 1837 | def main(): |
| 1838 | |
| 1839 | ## Main window. |
| 1840 | root = MonitorWindow() |
| 1841 | conn.connect() |
| 1842 | root.show_all() |
| 1843 | |
| 1844 | ## Main loop. |
| 1845 | HookClient().hook(root.closehook, exit) |
| 1846 | conn.mainloop() |
| 1847 | |
| 1848 | if __name__ == '__main__': |
| 1849 | opts = parse_options() |
| 1850 | init(opts) |
| 1851 | main() |
| 1852 | |
| 1853 | ###----- That's all, folks -------------------------------------------------- |