1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
|
# Copyright (C) 2020 Philipp Hörist <philipp AT hoerist.com>
#
# This file is part of nbxmpp.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 3
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; If not, see <http://www.gnu.org/licenses/>.
import logging
from gi.repository import GLib
from nbxmpp.protocol import NS_TLS
from nbxmpp.protocol import NS_PING
from nbxmpp.protocol import Features
from nbxmpp.protocol import StanzaMalformed
from nbxmpp.protocol import SessionRequest
from nbxmpp.protocol import BindRequest
from nbxmpp.protocol import TLSRequest
from nbxmpp.protocol import isResultNode
from nbxmpp.protocol import JID
from nbxmpp.protocol import Iq
from nbxmpp.protocol import Protocol
from nbxmpp.protocol import WebsocketCloseHeader
from nbxmpp.addresses import ServerAddresses
from nbxmpp.addresses import NoMoreAddresses
from nbxmpp.tcp import TCPConnection
from nbxmpp.websocket import WebsocketConnection
from nbxmpp.smacks import Smacks
from nbxmpp.auth import SASL
from nbxmpp.const import StreamState
from nbxmpp.const import StreamError
from nbxmpp.const import ConnectionType
from nbxmpp.const import ConnectionProtocol
from nbxmpp.const import Mode
from nbxmpp.dispatcher import StanzaDispatcher
from nbxmpp.util import get_stream_header
from nbxmpp.util import get_stanza_id
from nbxmpp.util import Observable
from nbxmpp.util import validate_stream_header
from nbxmpp.util import is_error_result
from nbxmpp.util import LogAdapter
log = logging.getLogger('nbxmpp.stream')
class Client(Observable):
def __init__(self, log_context=None):
'''
Signals:
resume-failed
resume-successful
login-successful
anonymous-supported
disconnected
connected
connection-failed
stanza-sent
stanza-received
'''
self._log_context = log_context
if log_context is None:
self._log_context = str(id(self))
self._log = LogAdapter(log, {'context': self._log_context})
Observable.__init__(self, self._log)
self._jid = None
self._lang = 'en'
self._domain = None
self._username = None
self._resource = None
self._custom_host = None
self._addresses = None
self._current_address = None
self._address_generator = None
self._client_cert = None
self._client_cert_pass = None
self._proxy = None
self._allowed_con_types = None
self._allowed_protocols = None
self._allowed_mechs = None
self._stream_id = None
self._stream_secure = False
self._stream_authenticated = False
self._stream_features = None
self._session_required = False
self._connect_successful = False
self._stream_close_initiated = False
self._ping_id = None
self._error = None, None, None
self._ignored_tls_errors = []
self._ignore_tls_errors = False
self._accepted_certificates = []
self._peer_certificate = None
self._peer_certificate_errors = None
self._con = None
self._mode = Mode.CLIENT
self._ping_source_id = None
self._dispatcher = StanzaDispatcher(self)
self._dispatcher.subscribe('before-dispatch', self._on_before_dispatch)
self._dispatcher.subscribe('parsing-error', self._on_parsing_error)
self._dispatcher.subscribe('stream-end', self._on_stream_end)
self._smacks = Smacks(self)
self._sasl = SASL(self)
self._state = StreamState.DISCONNECTED
@property
def log_context(self):
return self._log_context
@property
def features(self):
return self._stream_features
@property
def sm_supported(self):
return self._smacks.sm_supported
@property
def lang(self):
return self._lang
@property
def username(self):
return self._username
@property
def domain(self):
return self._domain
@property
def resource(self):
return self._resource
def set_username(self, username):
self._username = username
def set_domain(self, domain):
self._domain = domain
def set_resource(self, resource):
self._resource = resource
def set_mode(self, mode):
self._mode = mode
@property
def custom_host(self):
return self._custom_host
def set_custom_host(self, host, protocol, type_):
if self._domain is None:
raise ValueError('Call set_domain() first before set_custom_host()')
self._custom_host = (host, protocol, type_)
def set_accepted_certificates(self, certificates):
self._accepted_certificates = certificates
@property
def ignored_tls_errors(self):
return self._ignored_tls_errors
def set_ignored_tls_errors(self, errors):
self._ignored_tls_errors = errors
@property
def ignore_tls_errors(self):
return self._ignore_tls_errors
def set_ignore_tls_errors(self, ignore):
self._ignore_tls_errors = ignore
def set_password(self, password):
self._sasl.set_password(password)
@property
def password(self):
return self._sasl.password
@property
def peer_certificate(self):
return self._peer_certificate, self._peer_certificate_errors
@property
def current_connection_type(self):
return self._current_address.type
@property
def is_websocket(self):
return self._current_address.protocol == ConnectionProtocol.WEBSOCKET
@property
def stream_id(self):
return self._stream_id
@property
def is_stream_secure(self):
direct_tls = self.current_connection_type == ConnectionType.DIRECT_TLS
return self._stream_secure or direct_tls
@property
def is_stream_authenticated(self):
return self._stream_authenticated
@property
def state(self):
return self._state
@state.setter
def state(self, value):
self._state = value
self._log.info('Set state: %s', value)
def set_state(self, state):
self.state = state
self._xmpp_state_machine()
@property
def connection_types(self):
return list(self._allowed_con_types or [ConnectionType.DIRECT_TLS,
ConnectionType.START_TLS])
def set_connection_types(self, con_types):
self._allowed_con_types = con_types
@property
def mechs(self):
return set(self._allowed_mechs or set(['SCRAM-SHA-256',
'SCRAM-SHA-1',
# 'SCRAM-SHA-256-PLUS',
# 'SCRAM-SHA-1-PLUS',
'PLAIN']))
def set_mechs(self, mechs):
self._allowed_mechs = mechs
@property
def protocols(self):
return list(self._allowed_protocols or [ConnectionProtocol.TCP,
ConnectionProtocol.WEBSOCKET])
def set_protocols(self, protocols):
self._allowed_protocols = protocols
@property
def client_cert(self):
return self._client_cert, self._client_cert_pass
def set_client_cert(self, client_cert, client_cert_pass):
self._client_cert = client_cert
self._client_cert_pass = client_cert_pass
def set_proxy(self, proxy):
self._proxy = proxy
self._dispatcher.get_module('Muclumbus').set_proxy(proxy)
@property
def proxy(self):
return self._proxy
def get_bound_jid(self):
return self._jid
def _set_bound_jid(self, jid):
self._jid = JID(jid)
@property
def has_error(self):
return self._error[0] is not None
def get_error(self):
return self._error
def _reset_error(self):
self._error = None, None, None
def _set_error(self, domain, error, text=None):
self._log.info('Set error: %s, %s, %s', domain, error, text)
self._error = domain, error, text
def _connect(self):
if self._state not in (StreamState.DISCONNECTED, StreamState.RESOLVED):
self._log.error('Stream can\'t connect, stream state: %s',
self._state)
return
self.state = StreamState.CONNECTING
self._reset_error()
self._con = self._get_connection(self._log_context,
self._current_address,
self._accepted_certificates,
self._ignore_tls_errors,
self._ignored_tls_errors,
self.client_cert)
self._con.subscribe('connected', self._on_connected)
self._con.subscribe('connection-failed', self._on_connection_failed)
self._con.subscribe('disconnected', self._on_disconnected)
self._con.subscribe('data-sent', self._on_data_sent)
self._con.subscribe('data-received', self._on_data_received)
self._con.subscribe('bad-certificate', self._on_bad_certificate)
self._con.subscribe('certificate-set', self._on_certificate_set)
self._con.connect()
def _get_connection(self, *args):
if self.is_websocket:
return WebsocketConnection(*args)
return TCPConnection(*args)
def connect(self):
if self._state != StreamState.DISCONNECTED:
self._log.error('Stream can\'t reconnect, stream state: %s',
self._state)
return
if self._connect_successful:
self._log.info('Reconnect')
self._connect()
return
self._log.info('Connect')
self._reset_error()
self.state = StreamState.RESOLVE
self._addresses = ServerAddresses(self._domain)
self._addresses.set_custom_host(self._custom_host)
self._addresses.set_proxy(self._proxy)
self._addresses.subscribe('resolved', self._on_addresses_resolved)
self._addresses.resolve()
def _on_addresses_resolved(self, _addresses, _signal_name):
self._log.info('Domain resolved')
self._log.info(self._addresses)
self.state = StreamState.RESOLVED
self._address_generator = self._addresses.get_next_address(
self.connection_types,
self.protocols)
self._try_next_ip()
def _try_next_ip(self, *args):
try:
self._current_address = next(self._address_generator)
except NoMoreAddresses:
self._current_address = None
self.state = StreamState.DISCONNECTED
self._log.error('Unable to connect to %s', self._addresses.domain)
self._set_error(StreamError.CONNECTION_FAILED,
'connection-failed',
'Unable to connect to %s' % self._addresses.domain)
self.notify('connection-failed')
return
self._log.info('Current address: %s', self._current_address)
self._connect()
def disconnect(self, immediate=False):
if self._state == StreamState.RESOLVE:
self._addresses.cancel_resolve()
self.state = StreamState.DISCONNECTED
return
if self._state == StreamState.CONNECTING:
self._disconnect()
return
if self._state in (StreamState.DISCONNECTED,
StreamState.DISCONNECTING):
self._log.warning('Stream can\'t disconnect, stream state: %s',
self._state)
return
self._disconnect(immediate=immediate)
def _disconnect(self, immediate=True):
self.state = StreamState.DISCONNECTING
self._remove_ping_timer()
self._dispatcher.remove_ping_callback(self._ping_id)
if not immediate:
self._stream_close_initiated = True
self._smacks.close_session()
self._end_stream()
self._con.shutdown_output()
else:
self._con.disconnect()
def send(self, stanza, *args, **kwargs):
# Alias for backwards compat
return self.send_stanza(stanza)
def _on_connected(self, _connection, _signal_name):
self.set_state(StreamState.CONNECTED)
def _on_disconnected(self, _connection, _signal_name):
self.state = StreamState.DISCONNECTED
self._reset_stream()
self.notify('disconnected')
def _on_connection_failed(self, _connection, _signal_name):
self.state = StreamState.DISCONNECTED
self._reset_stream()
if not self._connect_successful:
self._try_next_ip()
else:
self._set_error(StreamError.CONNECTION_FAILED,
'connection-failed',
'Unable to connect to last successful address: %s' % str(self._current_address))
self.notify('connection-failed')
def _disconnect_with_error(self, error_domain, error, text=None):
self._set_error(error_domain, error, text)
self.disconnect()
def _on_parsing_error(self, _dispatcher, _signal_name, error):
if self._state == StreamState.DISCONNECTING:
# Don't notify about parsing errors if we already ended the stream
return
self._disconnect_with_error(StreamError.PARSING, 'parsing-error', error)
def _on_stream_end(self, _dispatcher, _signal_name, error):
if not self.has_error:
self._set_error(StreamError.STREAM, error or 'stream-end')
self._con.shutdown_input()
if not self._stream_close_initiated:
self.state = StreamState.DISCONNECTING
self._remove_ping_timer()
self._smacks.close_session()
self._end_stream()
self._con.shutdown_output()
def _reset_stream(self):
self._stream_id = None
self._stream_secure = False
self._stream_authenticated = False
self._stream_features = None
self._session_required = False
self._con = None
def _end_stream(self):
if self.is_websocket:
nonza = WebsocketCloseHeader()
else:
nonza = '</stream:stream>'
self.send_nonza(nonza)
def get_module(self, name):
return self._dispatcher.get_module(name)
def _on_bad_certificate(self, connection, _signal_name):
self._peer_certificate, self._peer_certificate_errors = connection.peer_certificate
self._set_error(StreamError.BAD_CERTIFICATE, 'bad certificate')
def _on_certificate_set(self, connection, _signal_name):
self._peer_certificate, self._peer_certificate_errors = connection.peer_certificate
def accept_certificate(self):
self._log.info('Certificate accepted')
self._accepted_certificates.append(self._peer_certificate)
self._connect()
def _on_data_sent(self, _connection, _signal_name, data):
self.notify('stanza-sent', data)
def _on_before_dispatch(self, _dispatcher, _signal_name, data):
self.notify('stanza-received', data)
def _on_data_received(self, _connection, _signal_name, data):
self._dispatcher.process_data(data)
self._reset_ping_timer()
def _reset_ping_timer(self):
if self.is_websocket:
return
if not self._mode.is_client:
return
if self.state != StreamState.ACTIVE:
return
if self._ping_source_id is not None:
self._log.info('Remove ping timer')
GLib.source_remove(self._ping_source_id)
self._ping_source_id = None
self._log.info('Start ping timer')
self._ping_source_id = GLib.timeout_add_seconds(180, self._ping)
def _remove_ping_timer(self):
if self._ping_source_id is None:
return
self._log.info('Remove ping timer')
GLib.source_remove(self._ping_source_id)
self._ping_source_id = None
def send_stanza(self, stanza, now=False, callback=None,
timeout=None, user_data=None):
if user_data is not None and not isinstance(user_data, dict):
raise ValueError('arg user_data must be of dict type')
if not isinstance(stanza, Protocol):
raise ValueError('Nonzas not allowed, use send_nonza()')
id_ = stanza.getID()
if id_ is None:
id_ = get_stanza_id()
stanza.setID(id_)
if callback is not None:
self._dispatcher.add_callback_for_id(
id_, callback, timeout, user_data)
self._con.send(stanza, now)
self._smacks.save_in_queue(stanza)
return id_
def SendAndCallForResponse(self, stanza, callback, user_data=None):
self.send_stanza(stanza, callback=callback, user_data=user_data)
def send_nonza(self, nonza, now=False):
self._con.send(nonza, now)
def _xmpp_state_machine(self, stanza=None):
self._log.info('Execute state machine')
if stanza is not None:
if stanza.getName() == 'error':
self._log.info('Stream error')
# TODO:
# self._disconnect_with_error(StreamError.SASL,
# stanza.get_condition())
return
if self.state == StreamState.CONNECTED:
self._dispatcher.set_dispatch_callback(self._xmpp_state_machine)
if (self.current_connection_type == ConnectionType.DIRECT_TLS and
not self.is_websocket):
self._con.start_tls_negotiation()
self._stream_secure = True
self._start_stream()
return
self._start_stream()
elif self.state == StreamState.WAIT_FOR_STREAM_START:
try:
self._stream_id = validate_stream_header(stanza,
self._domain,
self.is_websocket)
except StanzaMalformed as error:
self._log.error(error)
self._disconnect_with_error(StreamError.STREAM,
'stanza-malformed',
'Invalid stream header')
return
if (self._stream_secure or
self.current_connection_type == ConnectionType.PLAIN):
# TLS Negotiation succeeded or we are connected PLAIN
# We received the stream header and consider this as
# successfully connected, this means we will not try
# other connection methods if an error happensafterwards
self._connect_successful = True
self.state = StreamState.WAIT_FOR_FEATURES
elif self.state == StreamState.WAIT_FOR_FEATURES:
if stanza.getName() != 'features':
self._log.error('Invalid response: %s', stanza)
self._disconnect_with_error(
StreamError.STREAM,
'stanza-malformed',
'Invalid response, expected features')
return
self._on_stream_features(Features(stanza))
elif self.state == StreamState.WAIT_FOR_TLS_PROCEED:
if stanza.getNamespace() != NS_TLS:
self._disconnect_with_error(
StreamError.TLS,
'stanza-malformed',
'Invalid namespace for TLS response')
return
if stanza.getName() == 'failure':
self._disconnect_with_error(StreamError.TLS,
'negotiation-failed')
return
if stanza.getName() == 'proceed':
self._con.start_tls_negotiation()
self._stream_secure = True
self._start_stream()
return
self._log.error('Invalid response')
self._disconnect_with_error(StreamError.TLS,
'stanza-malformed',
'Invalid TLS response')
return
elif self.state == StreamState.PROCEED_WITH_AUTH:
self._sasl.delegate(stanza)
elif self.state == StreamState.AUTH_SUCCESSFUL:
self._stream_authenticated = True
if self._mode.is_login_test:
self.notify('login-successful')
# Reset parser because we will receive a new stream header
# which will otherwise lead to a parsing error
self._dispatcher.reset_parser()
self.disconnect()
return
self._start_stream()
elif self.state == StreamState.AUTH_FAILED:
self._disconnect_with_error(StreamError.SASL,
*self._sasl.error)
elif self.state == StreamState.WAIT_FOR_BIND:
self._on_bind(stanza)
elif self.state == StreamState.BIND_SUCCESSFUL:
self._dispatcher.clear_iq_callbacks()
self._dispatcher.set_dispatch_callback(None)
self._smacks.send_enable()
self.state = StreamState.ACTIVE
self.notify('connected')
elif self.state == StreamState.WAIT_FOR_SESSION:
self._on_session(stanza)
elif self.state == StreamState.WAIT_FOR_RESUMED:
self._smacks.delegate(stanza)
elif self.state == StreamState.RESUME_FAILED:
self.notify('resume-failed')
self._start_bind()
elif self.state == StreamState.RESUME_SUCCESSFUL:
self._dispatcher.set_dispatch_callback(None)
self.state = StreamState.ACTIVE
self.notify('resume-successful')
def _on_stream_features(self, features):
if self.is_stream_authenticated:
self._stream_features = features
self._smacks.sm_supported = features.has_sm()
self._session_required = features.session_required()
if self._smacks.resume_supported:
self._smacks.resume_request()
self.state = StreamState.WAIT_FOR_RESUMED
else:
self._start_bind()
elif self.is_stream_secure:
if self._mode.is_register:
if features.has_register():
self.state = StreamState.ACTIVE
self._dispatcher.set_dispatch_callback(None)
self.notify('connected')
else:
self._disconnect_with_error(StreamError.REGISTER,
'register-not-supported')
return
if self._mode.is_anonymous_test:
if features.has_anonymous():
self.notify('anonymous-supported')
self.disconnect()
else:
self._disconnect_with_error(StreamError.SASL,
'anonymous-not-supported')
return
self._start_auth(features)
else:
tls_supported, required = features.has_starttls()
if self._current_address.type == ConnectionType.PLAIN:
if tls_supported and required:
self._log.error('Server requires TLS')
self._disconnect_with_error(StreamError.TLS, 'tls-required')
return
self._start_auth(features)
return
if not tls_supported:
self._log.error('Server does not support TLS')
self._disconnect_with_error(StreamError.TLS,
'tls-not-supported')
return
self._start_tls()
def _start_stream(self):
self._log.info('Start stream')
self._stream_id = None
self._dispatcher.reset_parser()
header = get_stream_header(self._domain, self._lang, self.is_websocket)
self.send_nonza(header)
self.state = StreamState.WAIT_FOR_STREAM_START
def _start_tls(self):
self.send_nonza(TLSRequest())
self.state = StreamState.WAIT_FOR_TLS_PROCEED
def _start_auth(self, features):
if not features.has_sasl():
self._log.error('Server does not support SASL')
self._disconnect_with_error(StreamError.SASL,
'sasl-not-supported')
return
self.state = StreamState.PROCEED_WITH_AUTH
self._sasl.start_auth(features)
def _start_bind(self):
self._log.info('Send bind')
bind_request = BindRequest(self.resource)
self.send_stanza(bind_request)
self.state = StreamState.WAIT_FOR_BIND
def _on_bind(self, stanza):
if not isResultNode(stanza):
self._disconnect_with_error(StreamError.BIND,
stanza.getError(),
stanza.getErrorMsg())
return
jid = stanza.getTag('bind').getTagData('jid')
self._log.info('Successfully bound %s', jid)
self._set_bound_jid(jid)
if not self._session_required:
# Server don't want us to initialize a session
self._log.info('No session required')
self.set_state(StreamState.BIND_SUCCESSFUL)
else:
session_request = SessionRequest()
self.send_stanza(session_request)
self.state = StreamState.WAIT_FOR_SESSION
def _on_session(self, stanza):
if isResultNode(stanza):
self._log.info('Successfully started session')
self.set_state(StreamState.BIND_SUCCESSFUL)
else:
self._log.error('Session open failed')
self._disconnect_with_error(StreamError.SESSION,
stanza.getError(),
stanza.getErrorMsg())
def _ping(self):
self._ping_source_id = None
iq = Iq('get', to=self.domain)
iq.addChild(name='ping', namespace=NS_PING)
self._ping_id = self.send_stanza(iq,
timeout=10,
callback=self._on_pong)
self._log.info('Ping')
def _on_pong(self, _client, result):
if is_error_result(result):
if result.condition == 'timeout':
self._log.info('Ping timeout')
self._disconnect(immediate=True)
return
self._log.info('Pong')
def register_handler(self, *args, **kwargs):
self._dispatcher.register_handler(*args, **kwargs)
def unregister_handler(self, *args, **kwargs):
self._dispatcher.unregister_handler(*args, **kwargs)
def destroy(self):
self._remove_ping_timer()
self._smacks = None
self._sasl = None
self._dispatcher.cleanup()
self._dispatcher = None
self.remove_subscriptions()
|