libervia-backend: sat/plugins/plugin_xep

annotate sat/plugins/plugin_xep_0198.py @ 3606:25d3677701e7

doc: developer documentation explaining storage and pubsub cache

author	Goffi <goffi@goffi.org>
date	Thu, 29 Jul 2021 22:51:01 +0200
parents	888109774673
children	32d714a8ea51

rev	line source
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	1 #!/usr/bin/env python3
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	2
3133 87b8808ac49d plugin XEP-0198: don't crash when xmlstream has been closed Goffi <goffi@goffi.org> parents: 3028 diff changeset	3 # SàT plugin for managing Stream-Management
3479 be6d91572633 date update Goffi <goffi@goffi.org> parents: 3139 diff changeset	4 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	5
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	6 # This program is free software: you can redistribute it and/or modify
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	7 # it under the terms of the GNU Affero General Public License as published by
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	8 # the Free Software Foundation, either version 3 of the License, or
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	9 # (at your option) any later version.
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	10
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	11 # This program is distributed in the hope that it will be useful,
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	14 # GNU Affero General Public License for more details.
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	15
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	16 # You should have received a copy of the GNU Affero General Public License
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	18
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	19 from sat.core.i18n import _
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	20 from sat.core.constants import Const as C
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	21 from sat.core import exceptions
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	22 from sat.core.log import getLogger
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	23 from twisted.words.protocols.jabber import client as jabber_client
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	24 from twisted.words.protocols.jabber import xmlstream
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	25 from twisted.words.xish import domish
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	26 from twisted.internet import defer
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	27 from twisted.internet import task, reactor
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	28 from functools import partial
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	29 from wokkel import disco, iwokkel
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	30 from zope.interface import implementer
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	31 import collections
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	32 import time
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	33
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	34 log = getLogger(__name__)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	35
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	36 PLUGIN_INFO = {
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	37 C.PI_NAME: "Stream Management",
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	38 C.PI_IMPORT_NAME: "XEP-0198",
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	39 C.PI_TYPE: "XEP",
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	40 C.PI_MODES: C.PLUG_MODE_BOTH,
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	41 C.PI_PROTOCOLS: ["XEP-0198"],
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	42 C.PI_DEPENDENCIES: [],
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	43 C.PI_RECOMMENDATIONS: ["XEP-0045", "XEP-0313"],
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	44 C.PI_MAIN: "XEP_0198",
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	45 C.PI_HANDLER: "yes",
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	46 C.PI_DESCRIPTION: _("""Implementation of Stream Management"""),
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	47 }
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	48
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	49 NS_SM = "urn:xmpp:sm:3"
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	50 SM_ENABLED = '/enabled[@xmlns="' + NS_SM + '"]'
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	51 SM_RESUMED = '/resumed[@xmlns="' + NS_SM + '"]'
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	52 SM_FAILED = '/failed[@xmlns="' + NS_SM + '"]'
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	53 SM_R_REQUEST = '/r[@xmlns="' + NS_SM + '"]'
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	54 SM_A_REQUEST = '/a[@xmlns="' + NS_SM + '"]'
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	55 SM_H_REQUEST = '/h[@xmlns="' + NS_SM + '"]'
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	56 # Max number of stanza to send before requesting ack
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	57 MAX_STANZA_ACK_R = 5
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	58 # Max number of seconds before requesting ack
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	59 MAX_DELAY_ACK_R = 30
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	60 MAX_COUNTER = 2**32
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	61 RESUME_MAX = 5*60
2725 d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout: Goffi <goffi@goffi.org> parents: 2691 diff changeset	62 # if we don't have an answer to ACK REQUEST after this delay, connection is aborted
2729 edd230651138 plugin XEP-0198: rised ACK_TIMEOUT + set req_time to None when timing out to be ready after resuming Goffi <goffi@goffi.org> parents: 2727 diff changeset	63 ACK_TIMEOUT = 35
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	64
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	65
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	66 class ProfileSessionData(object):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	67 out_counter = 0
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	68 in_counter = 0
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	69 session_id = None
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	70 location = None
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	71 session_max = None
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	72 # True when an ack answer is expected
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	73 ack_requested = False
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	74 last_ack_r = 0
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	75 disconnected_time = None
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	76
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	77 def __init__(self, callback, **kw):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	78 self.buffer = collections.deque()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	79 self.buffer_idx = 0
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	80 self._enabled = False
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	81 self.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	82 # time used when doing a ack request
d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout: Goffi <goffi@goffi.org> parents: 2691 diff changeset	83 # when it times out, connection is aborted
d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout: Goffi <goffi@goffi.org> parents: 2691 diff changeset	84 self.req_timer = None
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	85 self.callback_data = (callback, kw)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	86
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	87 @property
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	88 def enabled(self):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	89 return self._enabled
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	90
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	91 @enabled.setter
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	92 def enabled(self, enabled):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	93 if enabled:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	94 if self._enabled:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	95 raise exceptions.InternalError(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	96 "Stream Management can't be enabled twice")
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	97 self._enabled = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	98 callback, kw = self.callback_data
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	99 self.timer = task.LoopingCall(callback, **kw)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	100 self.timer.start(MAX_DELAY_ACK_R, now=False)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	101 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	102 self._enabled = False
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	103 if self.timer is not None:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	104 self.timer.stop()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	105 self.timer = None
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	106
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	107 @property
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	108 def resume_enabled(self):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	109 return self.session_id is not None
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	110
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	111 def reset(self):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	112 self.enabled = False
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	113 self.buffer.clear()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	114 self.buffer_idx = 0
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	115 self.in_counter = self.out_counter = 0
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	116 self.session_id = self.location = None
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	117 self.ack_requested = False
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	118 self.last_ack_r = 0
2865 9213c6dff48d plugin XEP-0198: reset req_timer on session.reset(): Goffi <goffi@goffi.org> parents: 2796 diff changeset	119 if self.req_timer is not None:
9213c6dff48d plugin XEP-0198: reset req_timer on session.reset(): Goffi <goffi@goffi.org> parents: 2796 diff changeset	120 if self.req_timer.active():
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	121 log.error("req_timer has been called/cancelled but not reset")
2865 9213c6dff48d plugin XEP-0198: reset req_timer on session.reset(): Goffi <goffi@goffi.org> parents: 2796 diff changeset	122 else:
9213c6dff48d plugin XEP-0198: reset req_timer on session.reset(): Goffi <goffi@goffi.org> parents: 2796 diff changeset	123 self.req_timer.cancel()
9213c6dff48d plugin XEP-0198: reset req_timer on session.reset(): Goffi <goffi@goffi.org> parents: 2796 diff changeset	124 self.req_timer = None
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	125
3011 93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection: Goffi <goffi@goffi.org> parents: 3008 diff changeset	126 def getBufferCopy(self):
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection: Goffi <goffi@goffi.org> parents: 3008 diff changeset	127 return list(self.buffer)
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection: Goffi <goffi@goffi.org> parents: 3008 diff changeset	128
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	129
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	130 class XEP_0198(object):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	131 # FIXME: location is not handled yet
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	132
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	133 def __init__(self, host):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	134 log.info(_("Plugin Stream Management initialization"))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	135 self.host = host
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	136 host.registerNamespace('sm', NS_SM)
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	137 host.trigger.add("stream_hooks", self.addHooks)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	138 host.trigger.add("xml_init", self._XMLInitTrigger)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	139 host.trigger.add("disconnecting", self._disconnectingTrigger)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	140 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	141 try:
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout: Goffi <goffi@goffi.org> parents: 2725 diff changeset	142 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	143 except ValueError:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	144 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	145 self._ack_timeout = ACK_TIMEOUT
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout: Goffi <goffi@goffi.org> parents: 2725 diff changeset	146 if not self._ack_timeout:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	147 log.info(_("Ack timeout disabled"))
2727 59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout: Goffi <goffi@goffi.org> parents: 2725 diff changeset	148 else:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	149 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	150 timeout=self._ack_timeout))
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	151
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	152 def profileConnecting(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	153 client._xep_0198_session = ProfileSessionData(callback=self.checkAcks,
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	154 client=client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	155
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	156 def getHandler(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	157 return XEP_0198_handler(self)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	158
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	159 def addHooks(self, client, receive_hooks, send_hooks):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	160 """Add hooks to handle in/out stanzas counters"""
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	161 receive_hooks.append(partial(self.onReceive, client=client))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	162 send_hooks.append(partial(self.onSend, client=client))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	163 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	164
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	165 def _XMLInitTrigger(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	166 """Enable or resume a stream mangement"""
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	167 if not (NS_SM, 'sm') in client.xmlstream.features:
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	168 log.warning(_(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	169 "Your server doesn't support stream management ({namespace}), this is "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	170 "used to improve connection problems detection (like network outages). "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	171 "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	172 namespace=NS_SM)))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	173 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	174 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	175
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	176 # 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	177 try:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	178 disconnect_timer = session.disconnect_timer
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	179 except AttributeError:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	180 pass
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	181 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	182 if disconnect_timer.active():
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	183 disconnect_timer.cancel()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	184 del session.disconnect_timer
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	185
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	186 if session.resume_enabled:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	187 # we are resuming a session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	188 resume_elt = domish.Element((NS_SM, 'resume'))
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	189 resume_elt['h'] = str(session.in_counter)
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	190 resume_elt['previd'] = session.session_id
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	191 client.send(resume_elt)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	192 session.resuming = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	193 # session.enabled will be set on <resumed/> reception
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	194 return False
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	195 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	196 # we start a new session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	197 assert session.out_counter == 0
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	198 enable_elt = domish.Element((NS_SM, 'enable'))
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	199 enable_elt['resume'] = 'true'
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	200 client.send(enable_elt)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	201 session.enabled = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	202 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	203
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	204 def _disconnectingTrigger(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	205 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	206 if session.enabled:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	207 self.sendAck(client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	208 # 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	209 # to disable resuming and close normally the stream
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	210 session.reset()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	211 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	212
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	213 def _disconnectedTrigger(self, client, reason):
2796 fdc53c8a5439 plugin XEP-0198: don't use hooks on components Goffi <goffi@goffi.org> parents: 2795 diff changeset	214 if client.is_component:
fdc53c8a5439 plugin XEP-0198: don't use hooks on components Goffi <goffi@goffi.org> parents: 2795 diff changeset	215 return True
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	216 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	217 session.enabled = False
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	218 if session.resume_enabled:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	219 session.disconnected_time = time.time()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	220 session.disconnect_timer = reactor.callLater(session.session_max,
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	221 client.disconnectProfile,
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	222 reason)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	223 # disconnectProfile must not be called at this point
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	224 # because session can be resumed
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	225 return False
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	226 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	227 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	228
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	229 def checkAcks(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	230 """Request ack if needed"""
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	231 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	232 # 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	233 # .format(session.in_counter, session.out_counter, len(session.buffer),
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	234 # session.buffer_idx))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	235 if session.ack_requested or not session.buffer:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	236 return
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	237 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	238 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	239 self.requestAck(client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	240 session.ack_requested = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	241 session.last_ack_r = time.time()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	242
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	243 def updateBuffer(self, session, server_acked):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	244 """Update buffer and buffer_index"""
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	245 if server_acked > session.buffer_idx:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	246 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	247 try:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	248 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	249 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	250 except IndexError:
c9f03b1eb64d plugin XEP-0198: catch and log an error if buffer is unexpectedly empty Goffi <goffi@goffi.org> parents: 3011 diff changeset	251 log.error(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	252 "error while cleaning buffer, invalid index (buffer is empty):\n"
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	253 "diff = {diff}\n"
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	254 "server_acked = {server_acked}\n"
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	255 "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	256 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	257 buffer_id=session.buffer_idx))
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	258 session.buffer_idx += diff
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	259
3011 93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection: Goffi <goffi@goffi.org> parents: 3008 diff changeset	260 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	261 """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	262
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection: Goffi <goffi@goffi.org> parents: 3008 diff changeset	263 @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	264 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	265 @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	266 """
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection: Goffi <goffi@goffi.org> parents: 3008 diff changeset	267 while True:
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection: Goffi <goffi@goffi.org> parents: 3008 diff changeset	268 try:
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection: Goffi <goffi@goffi.org> parents: 3008 diff changeset	269 stanza = buffer_.pop()
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection: Goffi <goffi@goffi.org> parents: 3008 diff changeset	270 except IndexError:
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection: Goffi <goffi@goffi.org> parents: 3008 diff changeset	271 break
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection: Goffi <goffi@goffi.org> parents: 3008 diff changeset	272 else:
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection: Goffi <goffi@goffi.org> parents: 3008 diff changeset	273 if ((discard_results
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	274 and stanza.name == 'iq'
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	275 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	276 continue
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection: Goffi <goffi@goffi.org> parents: 3008 diff changeset	277 client.send(stanza)
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection: Goffi <goffi@goffi.org> parents: 3008 diff changeset	278
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	279 def sendAck(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	280 """Send an answer element with current IN counter"""
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	281 a_elt = domish.Element((NS_SM, 'a'))
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	282 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	283 client.send(a_elt)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	284
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	285 def requestAck(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	286 """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	287 session = client._xep_0198_session
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	288 r_elt = domish.Element((NS_SM, 'r'))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	289 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	290 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	291 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	292 if self._ack_timeout:
59ac9284dee8 plugin XEP-0198: allow to customise/disable ack_timeout: Goffi <goffi@goffi.org> parents: 2725 diff changeset	293 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	294 client)
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	295
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	296 def _connectionFailed(self, failure_, connector):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	297 normal_host, normal_port = connector.normal_location
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	298 del connector.normal_location
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	299 log.warning(_(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	300 "Connection failed using location given by server (host: {host}, port: "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	301 "{port}), switching to normal host and port (host: {normal_host}, port: "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	302 "{normal_port})".format(host=connector.host, port=connector.port,
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	303 normal_host=normal_host, normal_port=normal_port)))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	304 connector.host, connector.port = normal_host, normal_port
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	305 connector.connectionFailed = connector.connectionFailed_ori
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	306 del connector.connectionFailed_ori
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	307 return connector.connectionFailed(failure_)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	308
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	309 def onEnabled(self, enabled_elt, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	310 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	311 session.in_counter = 0
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	312
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	313 # 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	314 resume = C.bool(enabled_elt.getAttribute('resume'))
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	315 session_id = enabled_elt.getAttribute('id')
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	316 if not session_id:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	317 log.warning(_('Incorrect <enabled/> element received, no "id" attribute'))
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	318 if not resume or not session_id:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	319 log.warning(_(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	320 "You're server doesn't support session resuming with stream management, "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	321 "please contact your server administrator to enable it"))
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	322 return
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	323
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	324 session.session_id = session_id
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	325
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	326 # XXX: we disable resource binding, which must not be done
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	327 # when we resume the session.
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	328 client.factory.authenticator.res_binding = False
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	329
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	330 # location, in case server want resuming session to be elsewhere
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	331 try:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	332 location = enabled_elt['location']
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	333 except KeyError:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	334 pass
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	335 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	336 # TODO: handle IPv6 here (in brackets, cf. XEP)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	337 try:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	338 domain, port = location.split(':', 1)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	339 port = int(port)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	340 except ValueError:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	341 log.warning(_("Invalid location received: {location}")
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	342 .format(location=location))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	343 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	344 session.location = (domain, port)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	345 # we monkey patch connector to use the new location
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	346 connector = client.xmlstream.transport.connector
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	347 connector.normal_location = connector.host, connector.port
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	348 connector.host = domain
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	349 connector.port = port
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	350 connector.connectionFailed_ori = connector.connectionFailed
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	351 connector.connectionFailed = partial(self._connectionFailed,
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	352 connector=connector)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	353
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	354 # resuming time
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	355 try:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	356 max_s = int(enabled_elt['max'])
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	357 except (ValueError, KeyError) as e:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	358 if isinstance(e, ValueError):
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	359 log.warning(_('Invalid "max" attribute'))
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	360 max_s = RESUME_MAX
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	361 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	362 max_s=max_s)))
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	363 log.info(_("Stream Management enabled"))
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	364 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	365 log.info(_(
3139 ca61807f724c plugin XEP-0198: minor log formatting Goffi <goffi@goffi.org> parents: 3133 diff changeset	366 "Stream Management enabled, with a resumption time of {res_m:.2f} min"
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	367 .format(res_m = max_s/60)))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	368 session.session_max = max_s
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	369
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	370 def onResumed(self, enabled_elt, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	371 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	372 assert not session.enabled
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	373 del session.resuming
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	374 server_acked = int(enabled_elt['h'])
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	375 self.updateBuffer(session, server_acked)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	376 resend_count = len(session.buffer)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	377 # 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	378 self.replayBuffer(client, session.buffer)
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	379 # now we can continue the session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	380 session.enabled = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	381 d_time = time.time() - session.disconnected_time
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	382 log.info(_("Stream session resumed (disconnected for {d_time} s, {count} "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	383 "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	384
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	385 def onFailed(self, failed_elt, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	386 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	387 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	388 buffer_ = session.getBufferCopy()
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	389 session.reset()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	390
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	391 try:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	392 del session.resuming
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	393 except AttributeError:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	394 # stream management can't be started at all
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	395 msg = _("Can't use stream management")
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	396 if condition_elt is None:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	397 log.error(msg + '.')
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	398 else:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	399 log.error(_("{msg}: {reason}").format(
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	400 msg=msg, reason=condition_elt.name))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	401 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	402 # only stream resumption failed, we can try full session init
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	403 # 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	404 # variables/attributes already initialised with a potentially different
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	405 # 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	406 # 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	407 # client.
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	408 msg = _("stream resumption not possible, restarting full session")
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	409
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	410 if condition_elt is None:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	411 log.warning('{msg}.'.format(msg=msg))
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	412 else:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	413 log.warning("{msg}: {reason}".format(
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	414 msg=msg, reason=condition_elt.name))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	415 # 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	416 # 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	417 # we keep everything initialized, and only do binding, roster request
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	418 # and initial presence sending.
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	419 if client.conn_deferred.called:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	420 client.conn_deferred = defer.Deferred()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	421 else:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	422 log.error("conn_deferred should be called at this point")
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	423 plg_0045 = self.host.plugins.get('XEP-0045')
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	424 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	425
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection: Goffi <goffi@goffi.org> parents: 3008 diff changeset	426 # 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	427 # (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	428 # 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	429
3008 c8c68a3b0a79 plugins XEP-0045, XEP-0198: rejoin MUC rooms while a hot reconnection is done: Goffi <goffi@goffi.org> parents: 2865 diff changeset	430 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	431 # 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	432 muc_join_args = plg_0045.popRooms(client)
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	433 # we need to recreate roster
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	434 client.handlers.remove(client.roster)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	435 client.roster = client.roster.__class__(self.host)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	436 client.roster.setHandlerParent(client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	437 # 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	438 bind_init = jabber_client.BindInitializer(client.xmlstream)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	439 bind_init.required = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	440 d = bind_init.start()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	441 # we set the jid, which may have changed
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	442 d.addCallback(lambda __: setattr(client.factory.authenticator, "jid", client.jid))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	443 # we call the trigger who will send the <enable/> element
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	444 d.addCallback(lambda __: self._XMLInitTrigger(client))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	445 # 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	446 d.addCallback(lambda __: client.roster.requestRoster())
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	447 # 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	448 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	449 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	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: 3479 diff changeset	451 d.addCallback(lambda __: defer.ensureDeferred(plg_0313.resume(client)))
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	452 # initial presence must be sent manually
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	453 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	454 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	455 # 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	456 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	457 [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	458 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	459 # 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	460 # been received
93da7c6f8e0c plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection: Goffi <goffi@goffi.org> parents: 3008 diff changeset	461 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	462 discard_results=True))
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	463
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	464 def onReceive(self, element, client):
2796 fdc53c8a5439 plugin XEP-0198: don't use hooks on components Goffi <goffi@goffi.org> parents: 2795 diff changeset	465 if not client.is_component:
fdc53c8a5439 plugin XEP-0198: don't use hooks on components Goffi <goffi@goffi.org> parents: 2795 diff changeset	466 session = client._xep_0198_session
fdc53c8a5439 plugin XEP-0198: don't use hooks on components Goffi <goffi@goffi.org> parents: 2795 diff changeset	467 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	468 session.in_counter += 1 % MAX_COUNTER
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	469
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	470 def onSend(self, obj, client):
2796 fdc53c8a5439 plugin XEP-0198: don't use hooks on components 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 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	479
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	480 def onAckRequest(self, r_elt, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	481 self.sendAck(client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	482
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	483 def onAckAnswer(self, a_elt, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	484 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: 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 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	492 try:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	493 server_acked = int(a_elt['h'])
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	494 except ValueError:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	495 log.warning(_("Server returned invalid ack element, disabling stream "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	496 "management: {xml}").format(xml=a_elt))
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	497 session.enabled = False
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	498 return
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	499
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	500 if server_acked > session.out_counter:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	501 log.error(_("Server acked more stanzas than we have sent, disabling stream "
ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	502 "management."))
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	503 session.reset()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	504 return
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	505
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	506 self.updateBuffer(session, server_acked)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	507 self.checkAcks(client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> 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 plugin XEP-0198: abort connection if ack is not received after a timeout: Goffi <goffi@goffi.org> parents: 2691 diff changeset	510 """Called when a requested ACK has not been received in time"""
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	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 Goffi <goffi@goffi.org> 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 plugin XEP-0198: don't crash when xmlstream has been closed Goffi <goffi@goffi.org> parents: 3028 diff changeset	517 transport = xmlstream.transport
87b8808ac49d plugin XEP-0198: don't crash when xmlstream has been closed Goffi <goffi@goffi.org> parents: 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> parents: 2729 diff changeset	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 diff changeset	523
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	524
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 3020 diff changeset	525 @implementer(iwokkel.IDisco)
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	526 class XEP_0198_handler(xmlstream.XMPPHandler):
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 __init__(self, plugin_parent):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	529 self.plugin_parent = plugin_parent
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	530 self.host = plugin_parent.host
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 def connectionInitialized(self):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	533 self.xmlstream.addObserver(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	534 SM_ENABLED, self.plugin_parent.onEnabled, client=self.parent
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	535 )
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	536 self.xmlstream.addObserver(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	537 SM_RESUMED, self.plugin_parent.onResumed, client=self.parent
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	538 )
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	539 self.xmlstream.addObserver(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	540 SM_FAILED, self.plugin_parent.onFailed, client=self.parent
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	541 )
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	542 self.xmlstream.addObserver(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	543 SM_R_REQUEST, self.plugin_parent.onAckRequest, client=self.parent
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 self.xmlstream.addObserver(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	546 SM_A_REQUEST, self.plugin_parent.onAckAnswer, client=self.parent
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
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	549 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	550 return [disco.DiscoFeature(NS_SM)]
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	551
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	552 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	553 return []

Mercurial > libervia-backend

annotate sat/plugins/plugin_xep_0198.py @ 3606:25d3677701e7