Mercurial > libervia-backend
annotate sat/plugins/plugin_xep_0198.py @ 3758:b7cef1b24f83
plugins XEP-0060, XEP-0376, XEP-0465, CLI: PAM + PSS implementation:
- update psSubscriptionsGet to use serialised return value
- implement XEP-0376 Pubsub Account Management
- implement XEP-0465 Public Pubsub Subscriptions
- CLI `pubsub` commands updated accordingly, and added `--public` flags to `subscribe`,
`Subscriptions` and `node Subscriptions get`
⚠ `XEP-0465` is speculative, the XEP has been accepted by council but not published yet.
As is should be the next one, and current latest one is `XEP-0464`, `XEP-0465` has been
anticipated.
rel 365
author | Goffi <goffi@goffi.org> |
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date | Fri, 13 May 2022 18:38:05 +0200 |
parents | 888109774673 |
children | 32d714a8ea51 |
rev | line source |
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3028 | 1 #!/usr/bin/env python3 |
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2 |
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3 # SàT plugin for managing Stream-Management |
3479 | 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 sat.core.i18n import _ |
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20 from sat.core.constants import Const as C |
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21 from sat.core import exceptions |
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22 from sat.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 |
3028 | 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 = { |
3028 | 37 C.PI_NAME: "Stream Management", |
38 C.PI_IMPORT_NAME: "XEP-0198", | |
39 C.PI_TYPE: "XEP", | |
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40 C.PI_MODES: C.PLUG_MODE_BOTH, |
3028 | 41 C.PI_PROTOCOLS: ["XEP-0198"], |
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42 C.PI_DEPENDENCIES: [], |
3028 | 43 C.PI_RECOMMENDATIONS: ["XEP-0045", "XEP-0313"], |
44 C.PI_MAIN: "XEP_0198", | |
45 C.PI_HANDLER: "yes", | |
46 C.PI_DESCRIPTION: _("""Implementation of Stream Management"""), | |
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47 } |
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48 |
3028 | 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( |
3028 | 96 "Stream Management can't be enabled twice") |
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97 self._enabled = True |
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98 callback, kw = self.callback_data |
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99 self.timer = task.LoopingCall(callback, **kw) |
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100 self.timer.start(MAX_DELAY_ACK_R, now=False) |
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101 else: |
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102 self._enabled = False |
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103 if self.timer is not None: |
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104 self.timer.stop() |
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105 self.timer = None |
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106 |
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107 @property |
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108 def resume_enabled(self): |
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109 return self.session_id is not None |
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110 |
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111 def reset(self): |
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112 self.enabled = False |
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113 self.buffer.clear() |
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114 self.buffer_idx = 0 |
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115 self.in_counter = self.out_counter = 0 |
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116 self.session_id = self.location = None |
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117 self.ack_requested = False |
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118 self.last_ack_r = 0 |
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119 if self.req_timer is not None: |
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120 if self.req_timer.active(): |
3028 | 121 log.error("req_timer has been called/cancelled but not reset") |
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122 else: |
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123 self.req_timer.cancel() |
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124 self.req_timer = None |
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125 |
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126 def getBufferCopy(self): |
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127 return list(self.buffer) |
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128 |
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129 |
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130 class XEP_0198(object): |
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131 # FIXME: location is not handled yet |
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132 |
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133 def __init__(self, host): |
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134 log.info(_("Plugin Stream Management initialization")) |
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135 self.host = host |
3028 | 136 host.registerNamespace('sm', NS_SM) |
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137 host.trigger.add("stream_hooks", self.addHooks) |
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138 host.trigger.add("xml_init", self._XMLInitTrigger) |
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139 host.trigger.add("disconnecting", self._disconnectingTrigger) |
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140 host.trigger.add("disconnected", self._disconnectedTrigger) |
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141 try: |
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142 self._ack_timeout = int(host.memory.getConfig("", "ack_timeout", ACK_TIMEOUT)) |
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143 except ValueError: |
3028 | 144 log.error(_("Invalid ack_timeout value, please check your configuration")) |
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145 self._ack_timeout = ACK_TIMEOUT |
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146 if not self._ack_timeout: |
3028 | 147 log.info(_("Ack timeout disabled")) |
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148 else: |
3028 | 149 log.info(_("Ack timeout set to {timeout}s").format( |
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150 timeout=self._ack_timeout)) |
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151 |
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152 def profileConnecting(self, client): |
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153 client._xep_0198_session = ProfileSessionData(callback=self.checkAcks, |
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154 client=client) |
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155 |
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156 def getHandler(self, client): |
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157 return XEP_0198_handler(self) |
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158 |
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159 def addHooks(self, client, receive_hooks, send_hooks): |
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160 """Add hooks to handle in/out stanzas counters""" |
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161 receive_hooks.append(partial(self.onReceive, client=client)) |
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162 send_hooks.append(partial(self.onSend, client=client)) |
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163 return True |
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164 |
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165 def _XMLInitTrigger(self, client): |
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166 """Enable or resume a stream mangement""" |
3028 | 167 if not (NS_SM, 'sm') in client.xmlstream.features: |
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168 log.warning(_( |
3028 | 169 "Your server doesn't support stream management ({namespace}), this is " |
170 "used to improve connection problems detection (like network outages). " | |
171 "Please ask your server administrator to enable this feature.".format( | |
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172 namespace=NS_SM))) |
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173 return True |
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174 session = client._xep_0198_session |
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175 |
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176 # a disconnect timer from a previous disconnection may still be active |
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177 try: |
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178 disconnect_timer = session.disconnect_timer |
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179 except AttributeError: |
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180 pass |
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181 else: |
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182 if disconnect_timer.active(): |
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183 disconnect_timer.cancel() |
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184 del session.disconnect_timer |
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185 |
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186 if session.resume_enabled: |
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187 # we are resuming a session |
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188 resume_elt = domish.Element((NS_SM, 'resume')) |
3028 | 189 resume_elt['h'] = str(session.in_counter) |
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190 resume_elt['previd'] = session.session_id |
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191 client.send(resume_elt) |
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192 session.resuming = True |
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193 # session.enabled will be set on <resumed/> reception |
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194 return False |
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195 else: |
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196 # we start a new session |
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197 assert session.out_counter == 0 |
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198 enable_elt = domish.Element((NS_SM, 'enable')) |
3028 | 199 enable_elt['resume'] = 'true' |
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200 client.send(enable_elt) |
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201 session.enabled = True |
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202 return True |
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203 |
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204 def _disconnectingTrigger(self, client): |
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205 session = client._xep_0198_session |
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206 if session.enabled: |
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207 self.sendAck(client) |
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208 # This is a requested disconnection, so we can reset the session |
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209 # to disable resuming and close normally the stream |
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210 session.reset() |
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211 return True |
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212 |
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213 def _disconnectedTrigger(self, client, reason): |
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214 if client.is_component: |
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215 return True |
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216 session = client._xep_0198_session |
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217 session.enabled = False |
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218 if session.resume_enabled: |
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219 session.disconnected_time = time.time() |
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220 session.disconnect_timer = reactor.callLater(session.session_max, |
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221 client.disconnectProfile, |
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222 reason) |
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223 # disconnectProfile must not be called at this point |
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224 # because session can be resumed |
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225 return False |
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226 else: |
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227 return True |
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228 |
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229 def checkAcks(self, client): |
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230 """Request ack if needed""" |
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231 session = client._xep_0198_session |
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232 # log.debug("checkAcks (in_counter={}, out_counter={}, buf len={}, buf idx={})" |
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233 # .format(session.in_counter, session.out_counter, len(session.buffer), |
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234 # session.buffer_idx)) |
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235 if session.ack_requested or not session.buffer: |
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236 return |
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237 if (session.out_counter - session.buffer_idx >= MAX_STANZA_ACK_R |
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238 or time.time() - session.last_ack_r >= MAX_DELAY_ACK_R): |
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239 self.requestAck(client) |
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240 session.ack_requested = True |
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241 session.last_ack_r = time.time() |
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242 |
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243 def updateBuffer(self, session, server_acked): |
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244 """Update buffer and buffer_index""" |
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245 if server_acked > session.buffer_idx: |
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246 diff = server_acked - session.buffer_idx |
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247 try: |
3028 | 248 for i in range(diff): |
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249 session.buffer.pop() |
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250 except IndexError: |
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251 log.error( |
3028 | 252 "error while cleaning buffer, invalid index (buffer is empty):\n" |
253 "diff = {diff}\n" | |
254 "server_acked = {server_acked}\n" | |
255 "buffer_idx = {buffer_id}".format( | |
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256 diff=diff, server_acked=server_acked, |
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257 buffer_id=session.buffer_idx)) |
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258 session.buffer_idx += diff |
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259 |
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260 def replayBuffer(self, client, buffer_, discard_results=False): |
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261 """Resend all stanza in buffer |
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262 |
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263 @param buffer_(collection.deque, list): buffer to replay |
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264 the buffer will be cleared by this method |
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265 @param discard_results(bool): if True, don't replay IQ result stanzas |
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266 """ |
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267 while True: |
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268 try: |
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269 stanza = buffer_.pop() |
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270 except IndexError: |
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271 break |
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272 else: |
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273 if ((discard_results |
3028 | 274 and stanza.name == 'iq' |
275 and stanza.getAttribute('type') == 'result')): | |
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276 continue |
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277 client.send(stanza) |
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278 |
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279 def sendAck(self, client): |
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280 """Send an answer element with current IN counter""" |
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281 a_elt = domish.Element((NS_SM, 'a')) |
3028 | 282 a_elt['h'] = str(client._xep_0198_session.in_counter) |
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283 client.send(a_elt) |
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284 |
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285 def requestAck(self, client): |
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286 """Send a request element""" |
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287 session = client._xep_0198_session |
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288 r_elt = domish.Element((NS_SM, 'r')) |
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289 client.send(r_elt) |
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290 if session.req_timer is not None: |
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291 raise exceptions.InternalError("req_timer should not be set") |
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292 if self._ack_timeout: |
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293 session.req_timer = reactor.callLater(self._ack_timeout, self.onAckTimeOut, |
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294 client) |
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295 |
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296 def _connectionFailed(self, failure_, connector): |
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297 normal_host, normal_port = connector.normal_location |
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298 del connector.normal_location |
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299 log.warning(_( |
3028 | 300 "Connection failed using location given by server (host: {host}, port: " |
301 "{port}), switching to normal host and port (host: {normal_host}, port: " | |
302 "{normal_port})".format(host=connector.host, port=connector.port, | |
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303 normal_host=normal_host, normal_port=normal_port))) |
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304 connector.host, connector.port = normal_host, normal_port |
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305 connector.connectionFailed = connector.connectionFailed_ori |
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306 del connector.connectionFailed_ori |
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307 return connector.connectionFailed(failure_) |
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308 |
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309 def onEnabled(self, enabled_elt, client): |
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310 session = client._xep_0198_session |
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311 session.in_counter = 0 |
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312 |
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313 # we check that resuming is possible and that we have a session id |
3028 | 314 resume = C.bool(enabled_elt.getAttribute('resume')) |
315 session_id = enabled_elt.getAttribute('id') | |
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316 if not session_id: |
3028 | 317 log.warning(_('Incorrect <enabled/> element received, no "id" attribute')) |
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318 if not resume or not session_id: |
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319 log.warning(_( |
3028 | 320 "You're server doesn't support session resuming with stream management, " |
321 "please contact your server administrator to enable it")) | |
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322 return |
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323 |
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324 session.session_id = session_id |
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325 |
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326 # XXX: we disable resource binding, which must not be done |
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327 # when we resume the session. |
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328 client.factory.authenticator.res_binding = False |
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329 |
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330 # location, in case server want resuming session to be elsewhere |
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331 try: |
3028 | 332 location = enabled_elt['location'] |
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333 except KeyError: |
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334 pass |
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335 else: |
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336 # TODO: handle IPv6 here (in brackets, cf. XEP) |
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337 try: |
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338 domain, port = location.split(':', 1) |
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339 port = int(port) |
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340 except ValueError: |
3028 | 341 log.warning(_("Invalid location received: {location}") |
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342 .format(location=location)) |
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343 else: |
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344 session.location = (domain, port) |
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345 # we monkey patch connector to use the new location |
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346 connector = client.xmlstream.transport.connector |
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347 connector.normal_location = connector.host, connector.port |
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348 connector.host = domain |
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349 connector.port = port |
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350 connector.connectionFailed_ori = connector.connectionFailed |
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351 connector.connectionFailed = partial(self._connectionFailed, |
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352 connector=connector) |
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353 |
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354 # resuming time |
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355 try: |
3028 | 356 max_s = int(enabled_elt['max']) |
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357 except (ValueError, KeyError) as e: |
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358 if isinstance(e, ValueError): |
3028 | 359 log.warning(_('Invalid "max" attribute')) |
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360 max_s = RESUME_MAX |
3028 | 361 log.info(_("Using default session max value ({max_s} s).".format( |
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362 max_s=max_s))) |
3028 | 363 log.info(_("Stream Management enabled")) |
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364 else: |
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365 log.info(_( |
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366 "Stream Management enabled, with a resumption time of {res_m:.2f} min" |
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367 .format(res_m = max_s/60))) |
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368 session.session_max = max_s |
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369 |
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370 def onResumed(self, enabled_elt, client): |
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371 session = client._xep_0198_session |
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372 assert not session.enabled |
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373 del session.resuming |
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374 server_acked = int(enabled_elt['h']) |
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375 self.updateBuffer(session, server_acked) |
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376 resend_count = len(session.buffer) |
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377 # we resend all stanza which have not been received properly |
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378 self.replayBuffer(client, session.buffer) |
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379 # now we can continue the session |
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380 session.enabled = True |
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381 d_time = time.time() - session.disconnected_time |
3028 | 382 log.info(_("Stream session resumed (disconnected for {d_time} s, {count} " |
383 "stanza(s) resent)").format(d_time=int(d_time), count=resend_count)) | |
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384 |
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385 def onFailed(self, failed_elt, client): |
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386 session = client._xep_0198_session |
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387 condition_elt = failed_elt.firstChildElement() |
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388 buffer_ = session.getBufferCopy() |
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389 session.reset() |
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390 |
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391 try: |
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392 del session.resuming |
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393 except AttributeError: |
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394 # stream management can't be started at all |
3028 | 395 msg = _("Can't use stream management") |
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396 if condition_elt is None: |
3028 | 397 log.error(msg + '.') |
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398 else: |
3028 | 399 log.error(_("{msg}: {reason}").format( |
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400 msg=msg, reason=condition_elt.name)) |
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401 else: |
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402 # only stream resumption failed, we can try full session init |
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403 # XXX: we try to start full session init from this point, with many |
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parents:
diff
changeset
|
404 # variables/attributes already initialised with a potentially different |
1ecceac3df96
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parents:
diff
changeset
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405 # jid. This is experimental and may not be safe. It may be more |
1ecceac3df96
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parents:
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406 # secured to abord the connection and restart everything with a fresh |
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parents:
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407 # client. |
3028 | 408 msg = _("stream resumption not possible, restarting full session") |
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409 |
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410 if condition_elt is None: |
3028 | 411 log.warning('{msg}.'.format(msg=msg)) |
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412 else: |
3028 | 413 log.warning("{msg}: {reason}".format( |
2691
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parents:
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414 msg=msg, reason=condition_elt.name)) |
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parents:
diff
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415 # stream resumption failed, but we still can do normal stream management |
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parents:
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416 # we restore attributes as if the session was new, and init stream |
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parents:
diff
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417 # we keep everything initialized, and only do binding, roster request |
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418 # and initial presence sending. |
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parents:
diff
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419 if client.conn_deferred.called: |
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parents:
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420 client.conn_deferred = defer.Deferred() |
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421 else: |
3028 | 422 log.error("conn_deferred should be called at this point") |
423 plg_0045 = self.host.plugins.get('XEP-0045') | |
424 plg_0313 = self.host.plugins.get('XEP-0313') | |
3011
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425 |
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426 # FIXME: we should call all loaded plugins with generic callbacks |
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diff
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427 # (e.g. prepareResume and resume), so a hot resuming can be done |
93da7c6f8e0c
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428 # properly for all plugins. |
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Goffi <goffi@goffi.org>
parents:
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diff
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|
429 |
3008
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Goffi <goffi@goffi.org>
parents:
2865
diff
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430 if plg_0045 is not None: |
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parents:
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431 # we have to remove joined rooms |
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432 muc_join_args = plg_0045.popRooms(client) |
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433 # we need to recreate roster |
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434 client.handlers.remove(client.roster) |
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435 client.roster = client.roster.__class__(self.host) |
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436 client.roster.setHandlerParent(client) |
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Goffi <goffi@goffi.org>
parents:
diff
changeset
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437 # bind init is not done when resuming is possible, so we have to do it now |
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438 bind_init = jabber_client.BindInitializer(client.xmlstream) |
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439 bind_init.required = True |
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440 d = bind_init.start() |
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441 # we set the jid, which may have changed |
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parents:
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442 d.addCallback(lambda __: setattr(client.factory.authenticator, "jid", client.jid)) |
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443 # we call the trigger who will send the <enable/> element |
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444 d.addCallback(lambda __: self._XMLInitTrigger(client)) |
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445 # then we have to re-request the roster, as changes may have occured |
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Goffi <goffi@goffi.org>
parents:
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446 d.addCallback(lambda __: client.roster.requestRoster()) |
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Goffi <goffi@goffi.org>
parents:
diff
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447 # we add got_roster to be sure to have roster before sending initial presence |
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Goffi <goffi@goffi.org>
parents:
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448 d.addCallback(lambda __: client.roster.got_roster) |
3011
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parents:
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449 if plg_0313 is not None: |
93da7c6f8e0c
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parents:
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diff
changeset
|
450 # 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:
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diff
changeset
|
451 d.addCallback(lambda __: defer.ensureDeferred(plg_0313.resume(client))) |
2691
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452 # initial presence must be sent manually |
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diff
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453 d.addCallback(lambda __: client.presence.available()) |
3008
c8c68a3b0a79
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Goffi <goffi@goffi.org>
parents:
2865
diff
changeset
|
454 if plg_0045 is not None: |
3011
93da7c6f8e0c
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Goffi <goffi@goffi.org>
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455 # we re-join MUC rooms |
3008
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parents:
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diff
changeset
|
456 muc_d_list = defer.DeferredList( |
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parents:
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diff
changeset
|
457 [plg_0045.join(*args) for args in muc_join_args]) |
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458 d.addCallback(lambda __: muc_d_list) |
3011
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parents:
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diff
changeset
|
459 # at the end we replay the buffer, as those stanzas have probably not |
93da7c6f8e0c
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Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
460 # been received |
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|
461 d.addCallback(lambda __: self.replayBuffer(client, buffer_, |
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Goffi <goffi@goffi.org>
parents:
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diff
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|
462 discard_results=True)) |
2691
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|
463 |
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diff
changeset
|
464 def onReceive(self, element, client): |
2796
fdc53c8a5439
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Goffi <goffi@goffi.org>
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diff
changeset
|
465 if not client.is_component: |
fdc53c8a5439
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parents:
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diff
changeset
|
466 session = client._xep_0198_session |
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diff
changeset
|
467 if session.enabled and element.name.lower() in C.STANZA_NAMES: |
fdc53c8a5439
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parents:
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diff
changeset
|
468 session.in_counter += 1 % MAX_COUNTER |
2691
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parents:
diff
changeset
|
469 |
1ecceac3df96
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Goffi <goffi@goffi.org>
parents:
diff
changeset
|
470 def onSend(self, obj, client): |
2796
fdc53c8a5439
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Goffi <goffi@goffi.org>
parents:
2795
diff
changeset
|
471 if not client.is_component: |
fdc53c8a5439
plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents:
2795
diff
changeset
|
472 session = client._xep_0198_session |
fdc53c8a5439
plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents:
2795
diff
changeset
|
473 if (session.enabled |
fdc53c8a5439
plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents:
2795
diff
changeset
|
474 and domish.IElement.providedBy(obj) |
fdc53c8a5439
plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents:
2795
diff
changeset
|
475 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
|
476 session.out_counter += 1 % MAX_COUNTER |
fdc53c8a5439
plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents:
2795
diff
changeset
|
477 session.buffer.appendleft(obj) |
fdc53c8a5439
plugin XEP-0198: don't use hooks on components
Goffi <goffi@goffi.org>
parents:
2795
diff
changeset
|
478 self.checkAcks(client) |
2691
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parents:
diff
changeset
|
479 |
1ecceac3df96
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diff
changeset
|
480 def onAckRequest(self, r_elt, client): |
1ecceac3df96
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parents:
diff
changeset
|
481 self.sendAck(client) |
1ecceac3df96
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parents:
diff
changeset
|
482 |
1ecceac3df96
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parents:
diff
changeset
|
483 def onAckAnswer(self, a_elt, client): |
1ecceac3df96
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parents:
diff
changeset
|
484 session = client._xep_0198_session |
1ecceac3df96
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Goffi <goffi@goffi.org>
parents:
diff
changeset
|
485 session.ack_requested = False |
2727
59ac9284dee8
plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents:
2725
diff
changeset
|
486 if self._ack_timeout: |
59ac9284dee8
plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents:
2725
diff
changeset
|
487 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
|
488 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
|
489 else: |
59ac9284dee8
plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents:
2725
diff
changeset
|
490 session.req_timer.cancel() |
59ac9284dee8
plugin XEP-0198: allow to customise/disable ack_timeout:
Goffi <goffi@goffi.org>
parents:
2725
diff
changeset
|
491 session.req_timer = None |
2691
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parents:
diff
changeset
|
492 try: |
1ecceac3df96
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parents:
diff
changeset
|
493 server_acked = int(a_elt['h']) |
1ecceac3df96
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parents:
diff
changeset
|
494 except ValueError: |
3028 | 495 log.warning(_("Server returned invalid ack element, disabling stream " |
496 "management: {xml}").format(xml=a_elt)) | |
2691
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diff
changeset
|
497 session.enabled = False |
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diff
changeset
|
498 return |
1ecceac3df96
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parents:
diff
changeset
|
499 |
1ecceac3df96
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Goffi <goffi@goffi.org>
parents:
diff
changeset
|
500 if server_acked > session.out_counter: |
3028 | 501 log.error(_("Server acked more stanzas than we have sent, disabling stream " |
502 "management.")) | |
2691
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parents:
diff
changeset
|
503 session.reset() |
1ecceac3df96
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parents:
diff
changeset
|
504 return |
1ecceac3df96
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parents:
diff
changeset
|
505 |
1ecceac3df96
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Goffi <goffi@goffi.org>
parents:
diff
changeset
|
506 self.updateBuffer(session, server_acked) |
1ecceac3df96
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parents:
diff
changeset
|
507 self.checkAcks(client) |
1ecceac3df96
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parents:
diff
changeset
|
508 |
2725
d0466af33483
plugin XEP-0198: abort connection if ack is not received after a timeout:
Goffi <goffi@goffi.org>
parents:
2691
diff
changeset
|
509 def onAckTimeOut(self, client): |
d0466af33483
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2691
diff
changeset
|
510 """Called when a requested ACK has not been received in time""" |
3028 | 511 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
|
512 try: |
87b8808ac49d
plugin XEP-0198: don't crash when xmlstream has been closed
Goffi <goffi@goffi.org>
parents:
3028
diff
changeset
|
513 xmlstream = client.xmlstream |
87b8808ac49d
plugin XEP-0198: don't crash when xmlstream has been closed
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parents:
3028
diff
changeset
|
514 except AttributeError: |
87b8808ac49d
plugin XEP-0198: don't crash when xmlstream has been closed
Goffi <goffi@goffi.org>
parents:
3028
diff
changeset
|
515 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
|
516 else: |
3133
87b8808ac49d
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Goffi <goffi@goffi.org>
parents:
3028
diff
changeset
|
517 transport = xmlstream.transport |
87b8808ac49d
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Goffi <goffi@goffi.org>
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3028
diff
changeset
|
518 if transport is None: |
87b8808ac49d
plugin XEP-0198: don't crash when xmlstream has been closed
Goffi <goffi@goffi.org>
parents:
3028
diff
changeset
|
519 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
|
520 else: |
87b8808ac49d
plugin XEP-0198: don't crash when xmlstream has been closed
Goffi <goffi@goffi.org>
parents:
3028
diff
changeset
|
521 transport.abortConnection() |
2795
25639611c303
plugin XEP-0198: fixed typo resulting in a crash on resume
Goffi <goffi@goffi.org>
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522 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
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523 |
2691
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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524 |
3028 | 525 @implementer(iwokkel.IDisco) |
2691
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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526 class XEP_0198_handler(xmlstream.XMPPHandler): |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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527 |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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528 def __init__(self, plugin_parent): |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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529 self.plugin_parent = plugin_parent |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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530 self.host = plugin_parent.host |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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531 |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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532 def connectionInitialized(self): |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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533 self.xmlstream.addObserver( |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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534 SM_ENABLED, self.plugin_parent.onEnabled, client=self.parent |
1ecceac3df96
plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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535 ) |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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536 self.xmlstream.addObserver( |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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537 SM_RESUMED, self.plugin_parent.onResumed, client=self.parent |
1ecceac3df96
plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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538 ) |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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539 self.xmlstream.addObserver( |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
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540 SM_FAILED, self.plugin_parent.onFailed, client=self.parent |
1ecceac3df96
plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
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541 ) |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
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542 self.xmlstream.addObserver( |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
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543 SM_R_REQUEST, self.plugin_parent.onAckRequest, client=self.parent |
1ecceac3df96
plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
parents:
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544 ) |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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545 self.xmlstream.addObserver( |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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546 SM_A_REQUEST, self.plugin_parent.onAckAnswer, client=self.parent |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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547 ) |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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548 |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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549 def getDiscoInfo(self, requestor, target, nodeIdentifier=""): |
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Goffi <goffi@goffi.org>
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550 return [disco.DiscoFeature(NS_SM)] |
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Goffi <goffi@goffi.org>
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551 |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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552 def getDiscoItems(self, requestor, target, nodeIdentifier=""): |
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plugin XEP-0198: Stream Management implementation:
Goffi <goffi@goffi.org>
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553 return [] |