annotate sat/plugins/plugin_xep_0198.py @ 3100:cea52c9ddfd9

plugin XEP-0060, jp (pubsub/set): publish-options implementation: - publishing options (XEP-0060 §7.1.5) implementation. - jp pubsub/set can specify publish-options using `-f` and `-F` - doc has been updated to explain that - psItemSend and psItemsSend now use serialisation for "extra" - publish-options can be specified in extra['publish-options'] with those methods
author Goffi <goffi@goffi.org>
date Sat, 28 Dec 2019 20:02:18 +0100
parents ab2696e34d29
children 87b8808ac49d
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1 #!/usr/bin/env python3
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2 # -*- coding: utf-8 -*-
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3
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4 # SàT plugin for managing raw XML log
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5 # Copyright (C) 2011 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from sat.core.i18n import _
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21 from sat.core.constants import Const as C
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22 from sat.core import exceptions
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23 from sat.core.log import getLogger
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24 from twisted.words.protocols.jabber import client as jabber_client
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25 from twisted.words.protocols.jabber import xmlstream
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26 from twisted.words.xish import domish
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27 from twisted.internet import defer
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28 from twisted.internet import task, reactor
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29 from functools import partial
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30 from wokkel import disco, iwokkel
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31 from zope.interface import implementer
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32 import collections
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33 import time
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34
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35 log = getLogger(__name__)
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36
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37 PLUGIN_INFO = {
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38 C.PI_NAME: "Stream Management",
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39 C.PI_IMPORT_NAME: "XEP-0198",
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40 C.PI_TYPE: "XEP",
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41 C.PI_MODES: C.PLUG_MODE_BOTH,
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42 C.PI_PROTOCOLS: ["XEP-0198"],
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43 C.PI_DEPENDENCIES: [],
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44 C.PI_RECOMMENDATIONS: ["XEP-0045", "XEP-0313"],
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45 C.PI_MAIN: "XEP_0198",
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46 C.PI_HANDLER: "yes",
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47 C.PI_DESCRIPTION: _("""Implementation of Stream Management"""),
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48 }
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49
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50 NS_SM = "urn:xmpp:sm:3"
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51 SM_ENABLED = '/enabled[@xmlns="' + NS_SM + '"]'
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52 SM_RESUMED = '/resumed[@xmlns="' + NS_SM + '"]'
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53 SM_FAILED = '/failed[@xmlns="' + NS_SM + '"]'
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54 SM_R_REQUEST = '/r[@xmlns="' + NS_SM + '"]'
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55 SM_A_REQUEST = '/a[@xmlns="' + NS_SM + '"]'
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56 SM_H_REQUEST = '/h[@xmlns="' + NS_SM + '"]'
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57 # Max number of stanza to send before requesting ack
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58 MAX_STANZA_ACK_R = 5
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59 # Max number of seconds before requesting ack
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60 MAX_DELAY_ACK_R = 30
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61 MAX_COUNTER = 2**32
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62 RESUME_MAX = 5*60
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63 # if we don't have an answer to ACK REQUEST after this delay, connection is aborted
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64 ACK_TIMEOUT = 35
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66
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67 class ProfileSessionData(object):
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68 out_counter = 0
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69 in_counter = 0
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70 session_id = None
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71 location = None
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72 session_max = None
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73 # True when an ack answer is expected
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74 ack_requested = False
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75 last_ack_r = 0
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76 disconnected_time = None
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77
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78 def __init__(self, callback, **kw):
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79 self.buffer = collections.deque()
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80 self.buffer_idx = 0
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81 self._enabled = False
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82 self.timer = None
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83 # time used when doing a ack request
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84 # when it times out, connection is aborted
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85 self.req_timer = None
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86 self.callback_data = (callback, kw)
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87
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88 @property
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89 def enabled(self):
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90 return self._enabled
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91
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92 @enabled.setter
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93 def enabled(self, enabled):
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94 if enabled:
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95 if self._enabled:
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96 raise exceptions.InternalError(
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97 "Stream Management can't be enabled twice")
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98 self._enabled = True
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99 callback, kw = self.callback_data
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100 self.timer = task.LoopingCall(callback, **kw)
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101 self.timer.start(MAX_DELAY_ACK_R, now=False)
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102 else:
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103 self._enabled = False
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104 if self.timer is not None:
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105 self.timer.stop()
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106 self.timer = None
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107
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108 @property
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109 def resume_enabled(self):
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110 return self.session_id is not None
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111
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112 def reset(self):
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113 self.enabled = False
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114 self.buffer.clear()
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115 self.buffer_idx = 0
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116 self.in_counter = self.out_counter = 0
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117 self.session_id = self.location = None
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118 self.ack_requested = False
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119 self.last_ack_r = 0
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120 if self.req_timer is not None:
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121 if self.req_timer.active():
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122 log.error("req_timer has been called/cancelled but not reset")
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123 else:
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124 self.req_timer.cancel()
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125 self.req_timer = None
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126
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127 def getBufferCopy(self):
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128 return list(self.buffer)
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129
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130
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131 class XEP_0198(object):
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132 # FIXME: location is not handled yet
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133
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134 def __init__(self, host):
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135 log.info(_("Plugin Stream Management initialization"))
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136 self.host = host
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137 host.registerNamespace('sm', NS_SM)
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138 host.trigger.add("stream_hooks", self.addHooks)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
139 host.trigger.add("xml_init", self._XMLInitTrigger)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
140 host.trigger.add("disconnecting", self._disconnectingTrigger)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
141 host.trigger.add("disconnected", self._disconnectedTrigger)
2727
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
142 try:
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
143 self._ack_timeout = int(host.memory.getConfig("", "ack_timeout", ACK_TIMEOUT))
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:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
150 log.info(_("Ack timeout set to {timeout}s").format(
2727
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
151 timeout=self._ack_timeout))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
152
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
153 def profileConnecting(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
154 client._xep_0198_session = ProfileSessionData(callback=self.checkAcks,
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
155 client=client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
156
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
157 def getHandler(self, client):
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
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
160 def addHooks(self, client, receive_hooks, send_hooks):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
161 """Add hooks to handle in/out stanzas counters"""
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
162 receive_hooks.append(partial(self.onReceive, client=client))
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
163 send_hooks.append(partial(self.onSend, client=client))
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
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
166 def _XMLInitTrigger(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
167 """Enable or resume a stream mangement"""
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
168 if not (NS_SM, 'sm') in client.xmlstream.features:
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
169 log.warning(_(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
170 "Your server doesn't support stream management ({namespace}), this is "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
171 "used to improve connection problems detection (like network outages). "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
172 "Please ask your server administrator to enable this feature.".format(
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
173 namespace=NS_SM)))
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
174 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
175 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
176
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
177 # 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
178 try:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
179 disconnect_timer = session.disconnect_timer
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
180 except AttributeError:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
181 pass
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
182 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
183 if disconnect_timer.active():
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
184 disconnect_timer.cancel()
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
185 del session.disconnect_timer
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
186
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
187 if session.resume_enabled:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
188 # we are resuming a session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
189 resume_elt = domish.Element((NS_SM, 'resume'))
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
190 resume_elt['h'] = str(session.in_counter)
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
191 resume_elt['previd'] = session.session_id
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
192 client.send(resume_elt)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
193 session.resuming = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
194 # session.enabled will be set on <resumed/> reception
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
195 return False
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
196 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
197 # we start a new session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
198 assert session.out_counter == 0
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
199 enable_elt = domish.Element((NS_SM, 'enable'))
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
200 enable_elt['resume'] = 'true'
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
201 client.send(enable_elt)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
202 session.enabled = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
203 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
204
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
205 def _disconnectingTrigger(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
206 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
207 if session.enabled:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
208 self.sendAck(client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
209 # 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
210 # to disable resuming and close normally the stream
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
211 session.reset()
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
212 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
213
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
214 def _disconnectedTrigger(self, client, reason):
2796
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
215 if client.is_component:
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
216 return True
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
217 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
218 session.enabled = False
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
219 if session.resume_enabled:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
220 session.disconnected_time = time.time()
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
221 session.disconnect_timer = reactor.callLater(session.session_max,
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
222 client.disconnectProfile,
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
223 reason)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
224 # disconnectProfile must not be called at this point
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
225 # because session can be resumed
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
226 return False
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
227 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
228 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
229
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
230 def checkAcks(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
231 """Request ack if needed"""
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
232 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
233 # log.debug("checkAcks (in_counter={}, out_counter={}, buf len={}, buf idx={})"
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
234 # .format(session.in_counter, session.out_counter, len(session.buffer),
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
235 # session.buffer_idx))
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
236 if session.ack_requested or not session.buffer:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
237 return
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
238 if (session.out_counter - session.buffer_idx >= MAX_STANZA_ACK_R
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
239 or time.time() - session.last_ack_r >= MAX_DELAY_ACK_R):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
240 self.requestAck(client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
241 session.ack_requested = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
242 session.last_ack_r = time.time()
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
243
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
244 def updateBuffer(self, session, server_acked):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
245 """Update buffer and buffer_index"""
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
246 if server_acked > session.buffer_idx:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
247 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
248 try:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
249 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
250 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
251 except IndexError:
c9f03b1eb64d plugin XEP-0198: catch and log an error if buffer is unexpectedly empty
Goffi <goffi@goffi.org>
parents: 3011
diff changeset
252 log.error(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
253 "error while cleaning buffer, invalid index (buffer is empty):\n"
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
254 "diff = {diff}\n"
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
255 "server_acked = {server_acked}\n"
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
256 "buffer_idx = {buffer_id}".format(
3019
c9f03b1eb64d plugin XEP-0198: catch and log an error if buffer is unexpectedly empty
Goffi <goffi@goffi.org>
parents: 3011
diff changeset
257 diff=diff, server_acked=server_acked,
c9f03b1eb64d plugin XEP-0198: catch and log an error if buffer is unexpectedly empty
Goffi <goffi@goffi.org>
parents: 3011
diff changeset
258 buffer_id=session.buffer_idx))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
259 session.buffer_idx += diff
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
260
3011
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
261 def replayBuffer(self, client, buffer_, discard_results=False):
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
262 """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
263
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
264 @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
265 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
266 @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
267 """
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
268 while True:
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
269 try:
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
270 stanza = buffer_.pop()
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
271 except IndexError:
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
272 break
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
273 else:
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
274 if ((discard_results
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
275 and stanza.name == 'iq'
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
276 and stanza.getAttribute('type') == 'result')):
3011
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
277 continue
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
278 client.send(stanza)
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
279
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
280 def sendAck(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
281 """Send an answer element with current IN counter"""
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
282 a_elt = domish.Element((NS_SM, 'a'))
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
283 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
284 client.send(a_elt)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
285
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
286 def requestAck(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
287 """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
288 session = client._xep_0198_session
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
289 r_elt = domish.Element((NS_SM, 'r'))
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
290 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
291 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
292 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
293 if self._ack_timeout:
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
294 session.req_timer = reactor.callLater(self._ack_timeout, self.onAckTimeOut,
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
295 client)
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
296
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
297 def _connectionFailed(self, failure_, connector):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
298 normal_host, normal_port = connector.normal_location
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
299 del connector.normal_location
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
300 log.warning(_(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
301 "Connection failed using location given by server (host: {host}, port: "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
302 "{port}), switching to normal host and port (host: {normal_host}, port: "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
303 "{normal_port})".format(host=connector.host, port=connector.port,
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
304 normal_host=normal_host, normal_port=normal_port)))
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
305 connector.host, connector.port = normal_host, normal_port
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
306 connector.connectionFailed = connector.connectionFailed_ori
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
307 del connector.connectionFailed_ori
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
308 return connector.connectionFailed(failure_)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
309
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
310 def onEnabled(self, enabled_elt, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
311 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
312 session.in_counter = 0
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
313
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
314 # we check that resuming is possible and that we have a session id
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
315 resume = C.bool(enabled_elt.getAttribute('resume'))
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
316 session_id = enabled_elt.getAttribute('id')
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
317 if not session_id:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
318 log.warning(_('Incorrect <enabled/> element received, no "id" attribute'))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
319 if not resume or not session_id:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
320 log.warning(_(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
321 "You're server doesn't support session resuming with stream management, "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
322 "please contact your server administrator to enable it"))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
323 return
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
324
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
325 session.session_id = session_id
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
326
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
327 # XXX: we disable resource binding, which must not be done
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
328 # when we resume the session.
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
329 client.factory.authenticator.res_binding = False
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 # location, in case server want resuming session to be elsewhere
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
332 try:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
333 location = enabled_elt['location']
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
334 except KeyError:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
335 pass
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
336 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
337 # TODO: handle IPv6 here (in brackets, cf. XEP)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
338 try:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
339 domain, port = location.split(':', 1)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
340 port = int(port)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
341 except ValueError:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
342 log.warning(_("Invalid location received: {location}")
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
343 .format(location=location))
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
344 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
345 session.location = (domain, port)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
346 # we monkey patch connector to use the new location
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
347 connector = client.xmlstream.transport.connector
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
348 connector.normal_location = connector.host, connector.port
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
349 connector.host = domain
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
350 connector.port = port
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
351 connector.connectionFailed_ori = connector.connectionFailed
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
352 connector.connectionFailed = partial(self._connectionFailed,
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
353 connector=connector)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
354
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
355 # resuming time
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
356 try:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
357 max_s = int(enabled_elt['max'])
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
358 except (ValueError, KeyError) as e:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
359 if isinstance(e, ValueError):
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
360 log.warning(_('Invalid "max" attribute'))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
361 max_s = RESUME_MAX
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
362 log.info(_("Using default session max value ({max_s} s).".format(
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
363 max_s=max_s)))
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
364 log.info(_("Stream Management enabled"))
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 log.info(_(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
367 "Stream Management enabled, with a resumption time of {res_m} min"
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
368 .format(res_m = max_s/60)))
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
369 session.session_max = max_s
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
370
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
371 def onResumed(self, enabled_elt, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
372 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
373 assert not session.enabled
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
374 del session.resuming
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
375 server_acked = int(enabled_elt['h'])
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
376 self.updateBuffer(session, server_acked)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
377 resend_count = len(session.buffer)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
378 # we resend all stanza which have not been received properly
3011
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
379 self.replayBuffer(client, session.buffer)
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
380 # now we can continue the session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
381 session.enabled = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
382 d_time = time.time() - session.disconnected_time
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
383 log.info(_("Stream session resumed (disconnected for {d_time} s, {count} "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
384 "stanza(s) resent)").format(d_time=int(d_time), count=resend_count))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
385
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
386 def onFailed(self, failed_elt, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
387 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
388 condition_elt = failed_elt.firstChildElement()
3011
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
389 buffer_ = session.getBufferCopy()
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
390 session.reset()
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
391
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
392 try:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
393 del session.resuming
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
394 except AttributeError:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
395 # stream management can't be started at all
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
396 msg = _("Can't use stream management")
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
397 if condition_elt is None:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
398 log.error(msg + '.')
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
399 else:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
400 log.error(_("{msg}: {reason}").format(
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
401 msg=msg, reason=condition_elt.name))
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
402 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
403 # only stream resumption failed, we can try full session init
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
404 # 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
405 # variables/attributes already initialised with a potentially different
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
406 # 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
407 # 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
408 # client.
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
409 msg = _("stream resumption not possible, restarting full session")
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
410
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
411 if condition_elt is None:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
412 log.warning('{msg}.'.format(msg=msg))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
413 else:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
414 log.warning("{msg}: {reason}".format(
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
415 msg=msg, reason=condition_elt.name))
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
416 # 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
417 # 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
418 # we keep everything initialized, and only do binding, roster request
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
419 # and initial presence sending.
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
420 if client.conn_deferred.called:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
421 client.conn_deferred = defer.Deferred()
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
422 else:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
423 log.error("conn_deferred should be called at this point")
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
424 plg_0045 = self.host.plugins.get('XEP-0045')
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
425 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
426
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
427 # 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
428 # (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
429 # 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
430
3008
c8c68a3b0a79 plugins XEP-0045, XEP-0198: rejoin MUC rooms while a hot reconnection is done:
Goffi <goffi@goffi.org>
parents: 2865
diff changeset
431 if plg_0045 is not None:
c8c68a3b0a79 plugins XEP-0045, XEP-0198: rejoin MUC rooms while a hot reconnection is done:
Goffi <goffi@goffi.org>
parents: 2865
diff changeset
432 # we have to remove joined rooms
c8c68a3b0a79 plugins XEP-0045, XEP-0198: rejoin MUC rooms while a hot reconnection is done:
Goffi <goffi@goffi.org>
parents: 2865
diff changeset
433 muc_join_args = plg_0045.popRooms(client)
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
434 # we need to recreate roster
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
435 client.handlers.remove(client.roster)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
436 client.roster = client.roster.__class__(self.host)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
437 client.roster.setHandlerParent(client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
438 # 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
439 bind_init = jabber_client.BindInitializer(client.xmlstream)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
440 bind_init.required = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
441 d = bind_init.start()
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
442 # we set the jid, which may have changed
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
443 d.addCallback(lambda __: setattr(client.factory.authenticator, "jid", client.jid))
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
444 # we call the trigger who will send the <enable/> element
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
445 d.addCallback(lambda __: self._XMLInitTrigger(client))
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
446 # then we have to re-request the roster, as changes may have occured
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
447 d.addCallback(lambda __: client.roster.requestRoster())
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
448 # 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
449 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
450 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
451 # we retrieve one2one MAM archives
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
452 d.addCallback(lambda __: plg_0313.resume(client))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
453 # initial presence must be sent manually
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
454 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
455 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
456 # 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
457 muc_d_list = defer.DeferredList(
c8c68a3b0a79 plugins XEP-0045, XEP-0198: rejoin MUC rooms while a hot reconnection is done:
Goffi <goffi@goffi.org>
parents: 2865
diff changeset
458 [plg_0045.join(*args) for args in muc_join_args])
c8c68a3b0a79 plugins XEP-0045, XEP-0198: rejoin MUC rooms while a hot reconnection is done:
Goffi <goffi@goffi.org>
parents: 2865
diff changeset
459 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
460 # 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
461 # been received
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
462 d.addCallback(lambda __: self.replayBuffer(client, buffer_,
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection:
Goffi <goffi@goffi.org>
parents: 3008
diff changeset
463 discard_results=True))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
464
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
465 def onReceive(self, element, client):
2796
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
466 if not client.is_component:
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
467 session = client._xep_0198_session
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
468 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
469 session.in_counter += 1 % MAX_COUNTER
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
470
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
471 def onSend(self, obj, client):
2796
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
472 if not client.is_component:
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
473 session = client._xep_0198_session
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
474 if (session.enabled
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
475 and domish.IElement.providedBy(obj)
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
476 and obj.name.lower() in C.STANZA_NAMES):
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
477 session.out_counter += 1 % MAX_COUNTER
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
478 session.buffer.appendleft(obj)
fdc53c8a5439 plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents: 2795
diff changeset
479 self.checkAcks(client)
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
480
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
481 def onAckRequest(self, r_elt, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
482 self.sendAck(client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
483
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
484 def onAckAnswer(self, a_elt, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
485 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
486 session.ack_requested = False
2727
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
487 if self._ack_timeout:
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
488 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
489 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
490 else:
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
491 session.req_timer.cancel()
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents: 2725
diff changeset
492 session.req_timer = None
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
493 try:
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
494 server_acked = int(a_elt['h'])
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
495 except ValueError:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
496 log.warning(_("Server returned invalid ack element, disabling stream "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
497 "management: {xml}").format(xml=a_elt))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
498 session.enabled = False
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
499 return
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
500
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
501 if server_acked > session.out_counter:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
502 log.error(_("Server acked more stanzas than we have sent, disabling stream "
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
503 "management."))
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
504 session.reset()
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
505 return
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
506
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
507 self.updateBuffer(session, server_acked)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
508 self.checkAcks(client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
509
2725
d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout:
Goffi <goffi@goffi.org>
parents: 2691
diff changeset
510 def onAckTimeOut(self, client):
d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout:
Goffi <goffi@goffi.org>
parents: 2691
diff changeset
511 """Called when a requested ACK has not been received in time"""
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
512 log.info(_("Ack was not received in time, aborting connection"))
3020
af9d71303605 plugin XEP-0198: don't crash if transport is None in onAckTimeOut
Goffi <goffi@goffi.org>
parents: 3019
diff changeset
513 transport = client.xmlstream.transport
af9d71303605 plugin XEP-0198: don't crash if transport is None in onAckTimeOut
Goffi <goffi@goffi.org>
parents: 3019
diff changeset
514 if transport is None:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
515 log.warning("transport was already removed")
3020
af9d71303605 plugin XEP-0198: don't crash if transport is None in onAckTimeOut
Goffi <goffi@goffi.org>
parents: 3019
diff changeset
516 else:
af9d71303605 plugin XEP-0198: don't crash if transport is None in onAckTimeOut
Goffi <goffi@goffi.org>
parents: 3019
diff changeset
517 transport.abortConnection()
2795
25639611c303 plugin XEP-0198: fixed typo resulting in a crash on resume
Goffi <goffi@goffi.org>
parents: 2729
diff changeset
518 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
519
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
520
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 3020
diff changeset
521 @implementer(iwokkel.IDisco)
2691
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
522 class XEP_0198_handler(xmlstream.XMPPHandler):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
523
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
524 def __init__(self, plugin_parent):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
525 self.plugin_parent = plugin_parent
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
526 self.host = plugin_parent.host
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
527
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
528 def connectionInitialized(self):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
529 self.xmlstream.addObserver(
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
530 SM_ENABLED, self.plugin_parent.onEnabled, client=self.parent
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
531 )
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
532 self.xmlstream.addObserver(
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
533 SM_RESUMED, self.plugin_parent.onResumed, client=self.parent
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
534 )
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
535 self.xmlstream.addObserver(
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
536 SM_FAILED, self.plugin_parent.onFailed, client=self.parent
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
537 )
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
538 self.xmlstream.addObserver(
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
539 SM_R_REQUEST, self.plugin_parent.onAckRequest, client=self.parent
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
540 )
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
541 self.xmlstream.addObserver(
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
542 SM_A_REQUEST, self.plugin_parent.onAckAnswer, client=self.parent
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
543 )
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
544
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
545 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
546 return [disco.DiscoFeature(NS_SM)]
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
547
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
548 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
1ecceac3df96 plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
549 return []