annotate libervia/backend/plugins/plugin_xep_0198.py @ 4279:6276242736c3

doc (components): Documentation for the new `Conferences` component: fix 445
author Goffi <goffi@goffi.org>
date Fri, 05 Jul 2024 17:18:37 +0200
parents 0d7bb4df2343
children
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1 #!/usr/bin/env python3
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2
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3 # SàT plugin for managing Stream-Management
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4 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19 from libervia.backend.core.i18n import _
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20 from libervia.backend.core.constants import Const as C
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21 from libervia.backend.core import exceptions
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22 from libervia.backend.core.log import getLogger
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23 from twisted.words.protocols.jabber import client as jabber_client
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24 from twisted.words.protocols.jabber import xmlstream
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25 from twisted.words.xish import domish
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26 from twisted.internet import defer
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27 from twisted.internet import task, reactor
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28 from functools import partial
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29 from wokkel import disco, iwokkel
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30 from zope.interface import implementer
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31 import collections
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32 import time
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33
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34 log = getLogger(__name__)
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35
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36 PLUGIN_INFO = {
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37 C.PI_NAME: "Stream Management",
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38 C.PI_IMPORT_NAME: "XEP-0198",
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39 C.PI_TYPE: "XEP",
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40 C.PI_MODES: C.PLUG_MODE_BOTH,
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41 C.PI_PROTOCOLS: ["XEP-0198"],
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42 C.PI_DEPENDENCIES: [],
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43 C.PI_RECOMMENDATIONS: ["XEP-0045", "XEP-0313"],
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44 C.PI_MAIN: "XEP_0198",
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45 C.PI_HANDLER: "yes",
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46 C.PI_DESCRIPTION: _("""Implementation of Stream Management"""),
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47 }
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48
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49 NS_SM = "urn:xmpp:sm:3"
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50 SM_ENABLED = '/enabled[@xmlns="' + NS_SM + '"]'
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51 SM_RESUMED = '/resumed[@xmlns="' + NS_SM + '"]'
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52 SM_FAILED = '/failed[@xmlns="' + NS_SM + '"]'
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53 SM_R_REQUEST = '/r[@xmlns="' + NS_SM + '"]'
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54 SM_A_REQUEST = '/a[@xmlns="' + NS_SM + '"]'
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55 SM_H_REQUEST = '/h[@xmlns="' + NS_SM + '"]'
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56 # Max number of stanza to send before requesting ack
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57 MAX_STANZA_ACK_R = 5
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58 # Max number of seconds before requesting ack
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59 MAX_DELAY_ACK_R = 30
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60 MAX_COUNTER = 2**32
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61 RESUME_MAX = 5 * 60
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62 # if we don't have an answer to ACK REQUEST after this delay, connection is aborted
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63 ACK_TIMEOUT = 35
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64
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65
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66 class ProfileSessionData(object):
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67 out_counter = 0
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68 in_counter = 0
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69 session_id = None
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70 location = None
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71 session_max = None
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72 # True when an ack answer is expected
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73 ack_requested = False
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74 last_ack_r = 0
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75 disconnected_time = None
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76
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77 def __init__(self, callback, **kw):
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78 self.buffer = collections.deque()
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79 self.buffer_idx = 0
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80 self._enabled = False
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81 self.timer = None
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82 # time used when doing a ack request
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83 # when it times out, connection is aborted
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84 self.req_timer = None
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85 self.callback_data = (callback, kw)
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86
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87 @property
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88 def enabled(self):
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89 return self._enabled
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90
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91 @enabled.setter
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92 def enabled(self, enabled):
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93 if enabled:
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94 if self._enabled:
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95 raise exceptions.InternalError("Stream Management can't be enabled twice")
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96 self._enabled = True
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97 callback, kw = self.callback_data
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98 self.timer = task.LoopingCall(callback, **kw)
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99 self.timer.start(MAX_DELAY_ACK_R, now=False)
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100 else:
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101 self._enabled = False
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102 if self.timer is not None:
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103 self.timer.stop()
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104 self.timer = None
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105
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106 @property
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107 def resume_enabled(self):
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108 return self.session_id is not None
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109
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110 def reset(self):
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111 self.enabled = False
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112 self.buffer.clear()
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113 self.buffer_idx = 0
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114 self.in_counter = self.out_counter = 0
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115 self.session_id = self.location = None
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116 self.ack_requested = False
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117 self.last_ack_r = 0
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118 if self.req_timer is not None:
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119 if self.req_timer.active():
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120 log.error("req_timer has been called/cancelled but not reset")
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121 else:
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122 self.req_timer.cancel()
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123 self.req_timer = None
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124
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125 def get_buffer_copy(self):
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126 return list(self.buffer)
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127
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128
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129 class XEP_0198(object):
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130 # FIXME: location is not handled yet
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131
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132 def __init__(self, host):
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133 log.info(_("Plugin Stream Management initialization"))
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134 self.host = host
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135 host.register_namespace("sm", NS_SM)
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136 host.trigger.add("stream_hooks", self.add_hooks)
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137 host.trigger.add("xml_init", self._xml_init_trigger)
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138 host.trigger.add("disconnecting", self._disconnecting_trigger)
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Goffi <goffi@goffi.org>
parents: 4001
diff changeset
139 host.trigger.add("disconnected", self._disconnected_trigger)
2727
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
140 try:
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
141 self._ack_timeout = int(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
142 host.memory.config_get("", "ack_timeout", ACK_TIMEOUT)
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
143 )
2727
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
144 except ValueError:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
145 log.error(_("Invalid ack_timeout value, please check your configuration"))
2727
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
146 self._ack_timeout = ACK_TIMEOUT
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
147 if not self._ack_timeout:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
148 log.info(_("Ack timeout disabled"))
2727
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
149 else:
4270
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parents: 4071
diff changeset
150 log.info(_("Ack timeout set to {timeout}s").format(timeout=self._ack_timeout))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
151
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
152 def profile_connecting(self, client):
4270
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parents: 4071
diff changeset
153 client._xep_0198_session = ProfileSessionData(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
154 callback=self.check_acks, client=client
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
155 )
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
156
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
157 def get_handler(self, client):
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
158 return XEP_0198_handler(self)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
159
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
160 def add_hooks(self, client, receive_hooks, send_hooks):
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
161 """Add hooks to handle in/out stanzas counters"""
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
162 receive_hooks.append(partial(self.on_receive, client=client))
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
163 send_hooks.append(partial(self.on_send, client=client))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
164 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
165
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
166 def _xml_init_trigger(self, client):
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
167 """Enable or resume a stream mangement"""
4270
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parents: 4071
diff changeset
168 if not (NS_SM, "sm") in client.xmlstream.features:
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
169 log.warning(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
170 _(
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
171 "Your server doesn't support stream management ({namespace}), this is "
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
172 "used to improve connection problems detection (like network outages). "
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
173 "Please ask your server administrator to enable this feature.".format(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
174 namespace=NS_SM
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
175 )
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
176 )
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
177 )
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
178 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
179 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
180
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
181 # a disconnect timer from a previous disconnection may still be active
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
182 try:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
183 disconnect_timer = session.disconnect_timer
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
184 except AttributeError:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
185 pass
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
186 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
187 if disconnect_timer.active():
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
188 disconnect_timer.cancel()
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
189 del session.disconnect_timer
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
190
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
191 if session.resume_enabled:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
192 # we are resuming a session
4270
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parents: 4071
diff changeset
193 resume_elt = domish.Element((NS_SM, "resume"))
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
194 resume_elt["h"] = str(session.in_counter)
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
195 resume_elt["previd"] = session.session_id
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
196 client.send(resume_elt)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
197 session.resuming = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
198 # session.enabled will be set on <resumed/> reception
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
199 return False
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
200 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
201 # we start a new session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
202 assert session.out_counter == 0
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
203 enable_elt = domish.Element((NS_SM, "enable"))
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
204 enable_elt["resume"] = "true"
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
205 client.send(enable_elt)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
206 session.enabled = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
207 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
208
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
209 def _disconnecting_trigger(self, client):
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
210 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
211 if session.enabled:
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
212 self.send_ack(client)
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
213 # This is a requested disconnection, so we can reset the session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
214 # to disable resuming and close normally the stream
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
215 session.reset()
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
216 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
217
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
218 def _disconnected_trigger(self, client, reason):
2796
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
219 if client.is_component:
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
220 return True
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
221 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
222 session.enabled = False
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
223 if session.resume_enabled:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
224 session.disconnected_time = time.time()
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
225 session.disconnect_timer = reactor.callLater(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
226 session.session_max, client.disconnect_profile, reason
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
227 )
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
228 # disconnect_profile must not be called at this point
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
229 # because session can be resumed
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
230 return False
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
231 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
232 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
233
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
234 def check_acks(self, client):
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
235 """Request ack if needed"""
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
236 session = client._xep_0198_session
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
237 # log.debug("check_acks (in_counter={}, out_counter={}, buf len={}, buf idx={})"
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
238 # .format(session.in_counter, session.out_counter, len(session.buffer),
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
239 # session.buffer_idx))
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
240 if session.ack_requested or not session.buffer:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
241 return
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
242 if (
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
243 session.out_counter - session.buffer_idx >= MAX_STANZA_ACK_R
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
244 or time.time() - session.last_ack_r >= MAX_DELAY_ACK_R
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
245 ):
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
246 self.request_ack(client)
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
247 session.ack_requested = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
248 session.last_ack_r = time.time()
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
249
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
250 def update_buffer(self, session, server_acked):
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
251 """Update buffer and buffer_index"""
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
252 if server_acked > session.buffer_idx:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
253 diff = server_acked - session.buffer_idx
3019
c9f03b1eb64d plugin XEP-0198: catch and log an error if buffer is unexpectedly empty
Goffi <goffi@goffi.org>
parents: 3011
diff changeset
254 try:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
255 for i in range(diff):
3019
c9f03b1eb64d plugin XEP-0198: catch and log an error if buffer is unexpectedly empty
Goffi <goffi@goffi.org>
parents: 3011
diff changeset
256 session.buffer.pop()
c9f03b1eb64d plugin XEP-0198: catch and log an error if buffer is unexpectedly empty
Goffi <goffi@goffi.org>
parents: 3011
diff changeset
257 except IndexError:
c9f03b1eb64d plugin XEP-0198: catch and log an error if buffer is unexpectedly empty
Goffi <goffi@goffi.org>
parents: 3011
diff changeset
258 log.error(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
259 "error while cleaning buffer, invalid index (buffer is empty):\n"
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
260 "diff = {diff}\n"
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
261 "server_acked = {server_acked}\n"
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
262 "buffer_idx = {buffer_id}".format(
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
263 diff=diff, server_acked=server_acked, buffer_id=session.buffer_idx
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
264 )
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
265 )
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
266 session.buffer_idx += diff
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
267
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
268 def replay_buffer(self, client, buffer_, discard_results=False):
3011
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
269 """Resend all stanza in buffer
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
270
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
271 @param buffer_(collection.deque, list): buffer to replay
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
272 the buffer will be cleared by this method
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
273 @param discard_results(bool): if True, don't replay IQ result stanzas
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
274 """
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
275 while True:
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
276 try:
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
277 stanza = buffer_.pop()
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
278 except IndexError:
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
279 break
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
280 else:
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
281 if (
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
282 discard_results
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
283 and stanza.name == "iq"
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
284 and stanza.getAttribute("type") == "result"
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
285 ):
3011
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
286 continue
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
287 client.send(stanza)
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
288
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Goffi <goffi@goffi.org>
parents: 4001
diff changeset
289 def send_ack(self, client):
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Goffi <goffi@goffi.org>
parents:
diff changeset
290 """Send an answer element with current IN counter"""
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parents: 4071
diff changeset
291 a_elt = domish.Element((NS_SM, "a"))
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
292 a_elt["h"] = str(client._xep_0198_session.in_counter)
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
293 client.send(a_elt)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
294
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524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
295 def request_ack(self, client):
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1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
296 """Send a request element"""
2725
d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout:
Goffi <goffi@goffi.org>
parents: 2691
diff changeset
297 session = client._xep_0198_session
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298 r_elt = domish.Element((NS_SM, "r"))
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1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
299 client.send(r_elt)
2725
d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout:
Goffi <goffi@goffi.org>
parents: 2691
diff changeset
300 if session.req_timer is not None:
d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout:
Goffi <goffi@goffi.org>
parents: 2691
diff changeset
301 raise exceptions.InternalError("req_timer should not be set")
2727
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
302 if self._ack_timeout:
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parents: 4071
diff changeset
303 session.req_timer = reactor.callLater(
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
304 self._ack_timeout, self.on_ack_time_out, client
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
305 )
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1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
306
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
307 def _connectionFailed(self, failure_, connector):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
308 normal_host, normal_port = connector.normal_location
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
309 del connector.normal_location
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parents: 4071
diff changeset
310 log.warning(
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
311 _(
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
312 "Connection failed using location given by server (host: {host}, port: "
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
313 "{port}), switching to normal host and port (host: {normal_host}, port: "
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
314 "{normal_port})".format(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
315 host=connector.host,
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
316 port=connector.port,
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
317 normal_host=normal_host,
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
318 normal_port=normal_port,
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parents: 4071
diff changeset
319 )
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parents: 4071
diff changeset
320 )
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
321 )
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
322 connector.host, connector.port = normal_host, normal_port
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
323 connector.connectionFailed = connector.connectionFailed_ori
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
324 del connector.connectionFailed_ori
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
325 return connector.connectionFailed(failure_)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
326
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524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
327 def on_enabled(self, enabled_elt, client):
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
328 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
329 session.in_counter = 0
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
330
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
331 # we check that resuming is possible and that we have a session id
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parents: 4071
diff changeset
332 resume = C.bool(enabled_elt.getAttribute("resume"))
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
333 session_id = enabled_elt.getAttribute("id")
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
334 if not session_id:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
335 log.warning(_('Incorrect <enabled/> element received, no "id" attribute'))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
336 if not resume or not session_id:
4270
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parents: 4071
diff changeset
337 log.warning(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
338 _(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
339 "You're server doesn't support session resuming with stream management, "
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
340 "please contact your server administrator to enable it"
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
341 )
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
342 )
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
343 return
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
344
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
345 session.session_id = session_id
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
346
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
347 # XXX: we disable resource binding, which must not be done
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
348 # when we resume the session.
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
349 client.factory.authenticator.res_binding = False
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
350
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
351 # location, in case server want resuming session to be elsewhere
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
352 try:
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
353 location = enabled_elt["location"]
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
354 except KeyError:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
355 pass
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
356 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
357 # TODO: handle IPv6 here (in brackets, cf. XEP)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
358 try:
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
359 domain, port = location.split(":", 1)
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
360 port = int(port)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
361 except ValueError:
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
362 log.warning(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
363 _("Invalid location received: {location}").format(location=location)
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
364 )
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
365 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
366 session.location = (domain, port)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
367 # we monkey patch connector to use the new location
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
368 connector = client.xmlstream.transport.connector
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
369 connector.normal_location = connector.host, connector.port
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
370 connector.host = domain
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
371 connector.port = port
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
372 connector.connectionFailed_ori = connector.connectionFailed
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
373 connector.connectionFailed = partial(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
374 self._connectionFailed, connector=connector
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
375 )
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
376
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
377 # resuming time
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
378 try:
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
379 max_s = int(enabled_elt["max"])
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
380 except (ValueError, KeyError) as e:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
381 if isinstance(e, ValueError):
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
382 log.warning(_('Invalid "max" attribute'))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
383 max_s = RESUME_MAX
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
384 log.info(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
385 _("Using default session max value ({max_s} s).".format(max_s=max_s))
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
386 )
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
387 log.info(_("Stream Management enabled"))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
388 else:
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
389 log.info(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
390 _(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
391 "Stream Management enabled, with a resumption time of {res_m:.2f} min".format(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
392 res_m=max_s / 60
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
393 )
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
394 )
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
395 )
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
396 session.session_max = max_s
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
397
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
398 def on_resumed(self, enabled_elt, client):
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
399 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
400 assert not session.enabled
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
401 del session.resuming
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
402 server_acked = int(enabled_elt["h"])
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
403 self.update_buffer(session, server_acked)
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
404 resend_count = len(session.buffer)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
405 # we resend all stanza which have not been received properly
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
406 self.replay_buffer(client, session.buffer)
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
407 # now we can continue the session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
408 session.enabled = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
409 d_time = time.time() - session.disconnected_time
4270
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Goffi <goffi@goffi.org>
parents: 4071
diff changeset
410 log.info(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
411 _(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
412 "Stream session resumed (disconnected for {d_time} s, {count} "
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
413 "stanza(s) resent)"
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
414 ).format(d_time=int(d_time), count=resend_count)
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
415 )
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
416
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
417 def on_failed(self, failed_elt, client):
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
418 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
419 condition_elt = failed_elt.firstChildElement()
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
420 buffer_ = session.get_buffer_copy()
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
421 session.reset()
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
422
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
423 try:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
424 del session.resuming
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
425 except AttributeError:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
426 # stream management can't be started at all
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
427 msg = _("Can't use stream management")
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
428 if condition_elt is None:
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
429 log.error(msg + ".")
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
430 else:
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
431 log.error(_("{msg}: {reason}").format(msg=msg, reason=condition_elt.name))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
432 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
433 # only stream resumption failed, we can try full session init
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
434 # XXX: we try to start full session init from this point, with many
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
435 # variables/attributes already initialised with a potentially different
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
436 # jid. This is experimental and may not be safe. It may be more
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
437 # secured to abord the connection and restart everything with a fresh
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
438 # client.
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
439 msg = _("stream resumption not possible, restarting full session")
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
440
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
441 if condition_elt is None:
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
442 log.warning("{msg}.".format(msg=msg))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
443 else:
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
444 log.warning("{msg}: {reason}".format(msg=msg, reason=condition_elt.name))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
445 # stream resumption failed, but we still can do normal stream management
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
446 # we restore attributes as if the session was new, and init stream
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
447 # we keep everything initialized, and only do binding, roster request
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
448 # and initial presence sending.
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
449 if client.conn_deferred.called:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
450 client.conn_deferred = defer.Deferred()
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
451 else:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
452 log.error("conn_deferred should be called at this point")
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
453 plg_0045 = self.host.plugins.get("XEP-0045")
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
454 plg_0313 = self.host.plugins.get("XEP-0313")
3011
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
455
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
456 # FIXME: we should call all loaded plugins with generic callbacks
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
457 # (e.g. prepareResume and resume), so a hot resuming can be done
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
458 # properly for all plugins.
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
459
3008
c8c68a3b0a79 plugins XEP-0045, XEP-0198: rejoin MUC rooms while a hot reconnection is done:
Goffi <goffi@goffi.org>
parents: 2865
diff changeset
460 if plg_0045 is not None:
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
461 # we have to remove joined rooms
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
462 muc_join_args = plg_0045.pop_rooms(client)
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
463 # we need to recreate roster
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
464 client.handlers.remove(client.roster)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
465 client.roster = client.roster.__class__(self.host)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
466 client.roster.setHandlerParent(client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
467 # bind init is not done when resuming is possible, so we have to do it now
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
468 bind_init = jabber_client.BindInitializer(client.xmlstream)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
469 bind_init.required = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
470 d = bind_init.start()
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
471 # we set the jid, which may have changed
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
472 d.addCallback(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
473 lambda __: setattr(client.factory.authenticator, "jid", client.jid)
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
474 )
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
475 # we call the trigger who will send the <enable/> element
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
476 d.addCallback(lambda __: self._xml_init_trigger(client))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
477 # then we have to re-request the roster, as changes may have occured
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
478 d.addCallback(lambda __: client.roster.request_roster())
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
479 # we add got_roster to be sure to have roster before sending initial presence
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
480 d.addCallback(lambda __: client.roster.got_roster)
3011
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
481 if plg_0313 is not None:
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
482 # we retrieve one2one MAM archives
3541
888109774673 core: various changes and fixes to work with new storage and D-Bus bridge:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
483 d.addCallback(lambda __: defer.ensureDeferred(plg_0313.resume(client)))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
484 # initial presence must be sent manually
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
485 d.addCallback(lambda __: client.presence.available())
3008
c8c68a3b0a79 plugins XEP-0045, XEP-0198: rejoin MUC rooms while a hot reconnection is done:
Goffi <goffi@goffi.org>
parents: 2865
diff changeset
486 if plg_0045 is not None:
3011
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
487 # we re-join MUC rooms
3008
c8c68a3b0a79 plugins XEP-0045, XEP-0198: rejoin MUC rooms while a hot reconnection is done:
Goffi <goffi@goffi.org>
parents: 2865
diff changeset
488 muc_d_list = defer.DeferredList(
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
489 [defer.ensureDeferred(plg_0045.join(*args)) for args in muc_join_args]
4001
32d714a8ea51 plugin XEP-0045: dot not wait for MAM retrieval to be completed:
Goffi <goffi@goffi.org>
parents: 3541
diff changeset
490 )
3008
c8c68a3b0a79 plugins XEP-0045, XEP-0198: rejoin MUC rooms while a hot reconnection is done:
Goffi <goffi@goffi.org>
parents: 2865
diff changeset
491 d.addCallback(lambda __: muc_d_list)
3011
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
492 # at the end we replay the buffer, as those stanzas have probably not
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
493 # been received
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
494 d.addCallback(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
495 lambda __: self.replay_buffer(client, buffer_, discard_results=True)
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
496 )
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
497
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
498 def on_receive(self, element, client):
2796
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
499 if not client.is_component:
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
500 session = client._xep_0198_session
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
501 if session.enabled and element.name.lower() in C.STANZA_NAMES:
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
502 session.in_counter += 1 % MAX_COUNTER
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
503
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
504 def on_send(self, obj, client):
2796
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
505 if not client.is_component:
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
506 session = client._xep_0198_session
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
507 if (
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
508 session.enabled
2796
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
509 and domish.IElement.providedBy(obj)
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
510 and obj.name.lower() in C.STANZA_NAMES
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
511 ):
2796
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
512 session.out_counter += 1 % MAX_COUNTER
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
513 session.buffer.appendleft(obj)
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
514 self.check_acks(client)
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
515
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
516 def on_ack_request(self, r_elt, client):
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
517 self.send_ack(client)
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
518
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
519 def on_ack_answer(self, a_elt, client):
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
520 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
521 session.ack_requested = False
2727
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
522 if self._ack_timeout:
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
523 if session.req_timer is None:
3008
c8c68a3b0a79 plugins XEP-0045, XEP-0198: rejoin MUC rooms while a hot reconnection is done:
Goffi <goffi@goffi.org>
parents: 2865
diff changeset
524 log.error("req_timer should be set")
2727
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
525 else:
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
526 session.req_timer.cancel()
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
527 session.req_timer = None
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
528 try:
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
529 server_acked = int(a_elt["h"])
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
530 except ValueError:
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
531 log.warning(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
532 _(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
533 "Server returned invalid ack element, disabling stream "
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
534 "management: {xml}"
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
535 ).format(xml=a_elt)
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
536 )
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
537 session.enabled = False
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
538 return
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
539
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
540 if server_acked > session.out_counter:
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
541 log.error(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
542 _(
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
543 "Server acked more stanzas than we have sent, disabling stream "
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
544 "management."
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
545 )
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
546 )
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
547 session.reset()
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
548 return
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
549
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
550 self.update_buffer(session, server_acked)
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
551 self.check_acks(client)
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Goffi <goffi@goffi.org>
parents:
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552
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Goffi <goffi@goffi.org>
parents: 4001
diff changeset
553 def on_ack_time_out(self, client):
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d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout:
Goffi <goffi@goffi.org>
parents: 2691
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554 """Called when a requested ACK has not been received in time"""
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
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555 log.info(_("Ack was not received in time, aborting connection"))
3133
87b8808ac49d plugin XEP-0198: don't crash when xmlstream has been closed
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
556 try:
87b8808ac49d plugin XEP-0198: don't crash when xmlstream has been closed
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
557 xmlstream = client.xmlstream
87b8808ac49d plugin XEP-0198: don't crash when xmlstream has been closed
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
558 except AttributeError:
87b8808ac49d plugin XEP-0198: don't crash when xmlstream has been closed
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
559 log.warning("xmlstream has already been terminated")
3020
af9d71303605 plugin XEP-0198: don't crash if transport is None in onAckTimeOut
Goffi <goffi@goffi.org>
parents: 3019
diff changeset
560 else:
3133
87b8808ac49d plugin XEP-0198: don't crash when xmlstream has been closed
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
561 transport = xmlstream.transport
87b8808ac49d plugin XEP-0198: don't crash when xmlstream has been closed
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
562 if transport is None:
87b8808ac49d plugin XEP-0198: don't crash when xmlstream has been closed
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
563 log.warning("transport was already removed")
87b8808ac49d plugin XEP-0198: don't crash when xmlstream has been closed
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
564 else:
87b8808ac49d plugin XEP-0198: don't crash when xmlstream has been closed
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
565 transport.abortConnection()
2795
25639611c303 plugin XEP-0198: fixed typo resulting in a crash on resume
Goffi <goffi@goffi.org>
parents: 2729
diff changeset
566 client._xep_0198_session.req_timer = None
2725
d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout:
Goffi <goffi@goffi.org>
parents: 2691
diff changeset
567
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Goffi <goffi@goffi.org>
parents:
diff changeset
568
3028
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Goffi <goffi@goffi.org>
parents: 3020
diff changeset
569 @implementer(iwokkel.IDisco)
2691
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Goffi <goffi@goffi.org>
parents:
diff changeset
570 class XEP_0198_handler(xmlstream.XMPPHandler):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
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571
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
572 def __init__(self, plugin_parent):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
573 self.plugin_parent = plugin_parent
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
574 self.host = plugin_parent.host
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
575
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
576 def connectionInitialized(self):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
577 self.xmlstream.addObserver(
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
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parents: 4001
diff changeset
578 SM_ENABLED, self.plugin_parent.on_enabled, client=self.parent
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
579 )
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
580 self.xmlstream.addObserver(
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
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parents: 4001
diff changeset
581 SM_RESUMED, self.plugin_parent.on_resumed, client=self.parent
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
582 )
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
583 self.xmlstream.addObserver(
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
584 SM_FAILED, self.plugin_parent.on_failed, client=self.parent
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
585 )
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
586 self.xmlstream.addObserver(
4037
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Goffi <goffi@goffi.org>
parents: 4001
diff changeset
587 SM_R_REQUEST, self.plugin_parent.on_ack_request, client=self.parent
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
588 )
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
589 self.xmlstream.addObserver(
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 4001
diff changeset
590 SM_A_REQUEST, self.plugin_parent.on_ack_answer, client=self.parent
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
591 )
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
592
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
593 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
594 return [disco.DiscoFeature(NS_SM)]
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
595
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
596 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
597 return []