libervia-backend: sat/plugins/plugin_xep

annotate sat/plugins/plugin_xep_0198.py @ 2725:d0466af33483

plugin XEP-0198: abort connection if ack is not received after a timeout: If ack is not received after a given time (currently 25s), connection is aborted. This avoid waiting forever when TCP link is lost (i.e. switching from cable to wifi), and allows to use resuming mechanism.

author	Goffi <goffi@goffi.org>
date	Wed, 26 Dec 2018 14:37:13 +0100
parents	1ecceac3df96
children	59ac9284dee8

rev	line source
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	1 #!/usr/bin/env python2
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	2 # -- coding: utf-8 --
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	3
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	4 # SàT plugin for managing raw XML log
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	5 # Copyright (C) 2011 Jérôme Poisson (goffi@goffi.org)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	6
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	7 # 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	8 # 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	9 # 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	10 # (at your option) any later version.
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	11
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	12 # 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	13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	15 # GNU Affero General Public License for more details.
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	16
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	17 # 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	18 # 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	19
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	20 from sat.core.i18n import _
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	21 from sat.core.constants import Const as C
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	22 from sat.core import exceptions
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	23 from sat.core.log import getLogger
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	24 from twisted.words.protocols.jabber import client as jabber_client
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	25 from twisted.words.protocols.jabber import xmlstream
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	26 from twisted.words.xish import domish
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	27 from twisted.internet import defer
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	28 from twisted.internet import task, reactor
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	29 from functools import partial
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	30 from wokkel import disco, iwokkel
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	31 from zope.interface import implements
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	32 import collections
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	33 import time
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	34
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	35 log = getLogger(__name__)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	36
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	37 PLUGIN_INFO = {
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	38 C.PI_NAME: "Stream Management",
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	39 C.PI_IMPORT_NAME: "XEP-0198",
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	40 C.PI_TYPE: "XEP",
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	41 C.PI_MODES: C.PLUG_MODE_BOTH,
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	42 C.PI_PROTOCOLS: ["XEP-0198"],
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	43 C.PI_DEPENDENCIES: [],
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	44 C.PI_MAIN: "XEP_0198",
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	45 C.PI_HANDLER: "yes",
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	46 C.PI_DESCRIPTION: _(u"""Implementation of Stream Management"""),
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
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	49 NS_SM = u"urn:xmpp:sm:3"
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
d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout: Goffi <goffi@goffi.org> parents: 2691 diff changeset	63 ACK_R_TIMEOUT = 25
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(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	96 u"Stream Management can't be enabled twice")
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
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	119
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	120
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	121 class XEP_0198(object):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	122 # FIXME: location is not handled yet
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	123
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	124 def __init__(self, host):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	125 log.info(_("Plugin Stream Management initialization"))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	126 self.host = host
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	127 host.registerNamespace(u'sm', NS_SM)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	128 host.trigger.add("stream_hooks", self.addHooks)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	129 host.trigger.add("xml_init", self._XMLInitTrigger)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	130 host.trigger.add("disconnecting", self._disconnectingTrigger)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	131 host.trigger.add("disconnected", self._disconnectedTrigger)
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 profileConnecting(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	134 client._xep_0198_session = ProfileSessionData(callback=self.checkAcks,
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	135 client=client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	136
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	137 def getHandler(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	138 return XEP_0198_handler(self)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	139
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	140 def addHooks(self, client, receive_hooks, send_hooks):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	141 """Add hooks to handle in/out stanzas counters"""
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	142 receive_hooks.append(partial(self.onReceive, client=client))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	143 send_hooks.append(partial(self.onSend, client=client))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	144 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	145
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	146 def _XMLInitTrigger(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	147 """Enable or resume a stream mangement"""
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	148 if not (NS_SM, u'sm') in client.xmlstream.features:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	149 log.warning(_(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	150 u"Your server doesn't support stream management ({namespace}), this is "
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	151 u"used to improve connection problems detection (like network outages). "
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	152 u"Please ask your server administrator to enable this feature.".format(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	153 namespace=NS_SM)))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	154 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	155 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	156
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	157 # 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	158 try:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	159 disconnect_timer = session.disconnect_timer
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	160 except AttributeError:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	161 pass
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	162 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	163 if disconnect_timer.active():
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	164 disconnect_timer.cancel()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	165 del session.disconnect_timer
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	166
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	167 if session.resume_enabled:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	168 # we are resuming a session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	169 resume_elt = domish.Element((NS_SM, 'resume'))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	170 resume_elt['h'] = unicode(session.in_counter)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	171 resume_elt['previd'] = session.session_id
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	172 client.send(resume_elt)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	173 session.resuming = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	174 # session.enabled will be set on <resumed/> reception
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	175 return False
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	176 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	177 # we start a new session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	178 assert session.out_counter == 0
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	179 enable_elt = domish.Element((NS_SM, 'enable'))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	180 enable_elt[u'resume'] = u'true'
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	181 client.send(enable_elt)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	182 session.enabled = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	183 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	184
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	185 def _disconnectingTrigger(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	186 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	187 if session.enabled:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	188 self.sendAck(client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	189 # 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	190 # to disable resuming and close normally the stream
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	191 session.reset()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	192 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	193
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	194 def _disconnectedTrigger(self, client, reason):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	195 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	196 session.enabled = False
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	197 if session.resume_enabled:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	198 session.disconnected_time = time.time()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	199 session.disconnect_timer = reactor.callLater(session.session_max,
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	200 client.disconnectProfile,
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	201 reason)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	202 # disconnectProfile must not be called at this point
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	203 # because session can be resumed
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	204 return False
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	205 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	206 return True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	207
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	208 def checkAcks(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	209 """Request ack if needed"""
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	210 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	211 # 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	212 # .format(session.in_counter, session.out_counter, len(session.buffer),
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	213 # session.buffer_idx))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	214 if session.ack_requested or not session.buffer:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	215 return
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	216 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	217 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	218 self.requestAck(client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	219 session.ack_requested = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	220 session.last_ack_r = time.time()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	221
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	222 def updateBuffer(self, session, server_acked):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	223 """Update buffer and buffer_index"""
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	224 if server_acked > session.buffer_idx:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	225 diff = server_acked - session.buffer_idx
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	226 for i in xrange(diff):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	227 session.buffer.pop()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	228 session.buffer_idx += diff
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	229
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	230 def sendAck(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	231 """Send an answer element with current IN counter"""
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	232 a_elt = domish.Element((NS_SM, 'a'))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	233 a_elt['h'] = unicode(client._xep_0198_session.in_counter)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	234 client.send(a_elt)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	235
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	236 def requestAck(self, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	237 """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	238 session = client._xep_0198_session
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	239 r_elt = domish.Element((NS_SM, 'r'))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	240 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	241 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	242 raise exceptions.InternalError("req_timer should not be set")
d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout: Goffi <goffi@goffi.org> parents: 2691 diff changeset	243 session.req_timer = reactor.callLater(ACK_R_TIMEOUT, self.onAckTimeOut, client)
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	244
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	245 def _connectionFailed(self, failure_, connector):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	246 normal_host, normal_port = connector.normal_location
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	247 del connector.normal_location
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	248 log.warning(_(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	249 u"Connection failed using location given by server (host: {host}, port: "
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	250 u"{port}), switching to normal host and port (host: {normal_host}, port: "
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	251 u"{normal_port})".format(host=connector.host, port=connector.port,
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	252 normal_host=normal_host, normal_port=normal_port)))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	253 connector.host, connector.port = normal_host, normal_port
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	254 connector.connectionFailed = connector.connectionFailed_ori
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	255 del connector.connectionFailed_ori
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	256 return connector.connectionFailed(failure_)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	257
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	258 def onEnabled(self, enabled_elt, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	259 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	260 session.in_counter = 0
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	261
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	262 # we check that resuming is possible and that we have a session id
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	263 resume = C.bool(enabled_elt.getAttribute(u'resume'))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	264 session_id = enabled_elt.getAttribute(u'id')
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	265 if not session_id:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	266 log.warning(_(u'Incorrect <enabled/> element received, no "id" attribute'))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	267 if not resume or not session_id:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	268 log.warning(_(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	269 u"You're server doesn't support session resuming with stream management, "
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	270 u"please contact your server administrator to enable it"))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	271 return
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	272
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	273 session.session_id = session_id
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	274
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	275 # XXX: we disable resource binding, which must not be done
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	276 # when we resume the session.
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	277 client.factory.authenticator.res_binding = False
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	278
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	279 # location, in case server want resuming session to be elsewhere
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	280 try:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	281 location = enabled_elt[u'location']
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	282 except KeyError:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	283 pass
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	284 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	285 # TODO: handle IPv6 here (in brackets, cf. XEP)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	286 try:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	287 domain, port = location.split(':', 1)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	288 port = int(port)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	289 except ValueError:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	290 log.warning(_(u"Invalid location received: {location}")
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	291 .format(location=location))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	292 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	293 session.location = (domain, port)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	294 # we monkey patch connector to use the new location
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	295 connector = client.xmlstream.transport.connector
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	296 connector.normal_location = connector.host, connector.port
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	297 connector.host = domain
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	298 connector.port = port
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	299 connector.connectionFailed_ori = connector.connectionFailed
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	300 connector.connectionFailed = partial(self._connectionFailed,
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	301 connector=connector)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	302
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	303 # resuming time
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	304 try:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	305 max_s = int(enabled_elt[u'max'])
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	306 except (ValueError, KeyError) as e:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	307 if isinstance(e, ValueError):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	308 log.warning(_(u'Invalid "max" attribute'))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	309 max_s = RESUME_MAX
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	310 log.info(_(u"Using default session max value ({max_s} s).".format(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	311 max_s=max_s)))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	312 log.info(_(u"Stream Management enabled"))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	313 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	314 log.info(_(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	315 u"Stream Management enabled, with a resumption time of {res_m} min"
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	316 .format(res_m = max_s/60)))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	317 session.session_max = max_s
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	318
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	319 def onResumed(self, enabled_elt, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	320 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	321 assert not session.enabled
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	322 del session.resuming
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	323 server_acked = int(enabled_elt['h'])
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	324 self.updateBuffer(session, server_acked)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	325 resend_count = len(session.buffer)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	326 # we resend all stanza which have not been received properly
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	327 while True:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	328 try:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	329 stanza = session.buffer.pop()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	330 except IndexError:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	331 break
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	332 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	333 client.send(stanza)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	334 # now we can continue the session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	335 session.enabled = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	336 d_time = time.time() - session.disconnected_time
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	337 log.info(_(u"Stream session resumed (disconnected for {d_time} s, {count} "
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	338 u"stanza(s) resent)").format(d_time=int(d_time), count=resend_count))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	339
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	340 def onFailed(self, failed_elt, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	341 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	342 condition_elt = failed_elt.firstChildElement()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	343 session.reset()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	344
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	345 try:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	346 del session.resuming
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	347 except AttributeError:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	348 # stream management can't be started at all
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	349 msg = _(u"Can't use stream management")
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	350 if condition_elt is None:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	351 log.error(msg + u'.')
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	352 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	353 log.error(_(u"{msg}: {reason}").format(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	354 msg=msg, reason=condition_elt.name))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	355 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	356 # only stream resumption failed, we can try full session init
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	357 # 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	358 # variables/attributes already initialised with a potentially different
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	359 # 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	360 # 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	361 # client.
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	362 msg = _(u"stream resumption not possible, restarting full session")
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	363
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	364 if condition_elt is None:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	365 log.warning(u'{msg}.'.format(msg=msg))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	366 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	367 log.warning(u"{msg}: {reason}".format(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	368 msg=msg, reason=condition_elt.name))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	369 # 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	370 # 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	371 # we keep everything initialized, and only do binding, roster request
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	372 # and initial presence sending.
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	373 if client.conn_deferred.called:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	374 client.conn_deferred = defer.Deferred()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	375 else:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	376 log.error(u"conn_deferred should be called at this point")
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	377 # we need to recreate roster
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	378 client.handlers.remove(client.roster)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	379 client.roster = client.roster.__class__(self.host)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	380 client.roster.setHandlerParent(client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	381 # 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	382 bind_init = jabber_client.BindInitializer(client.xmlstream)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	383 bind_init.required = True
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	384 d = bind_init.start()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	385 # we set the jid, which may have changed
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	386 d.addCallback(lambda __: setattr(client.factory.authenticator, "jid", client.jid))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	387 # we call the trigger who will send the <enable/> element
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	388 d.addCallback(lambda __: self._XMLInitTrigger(client))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	389 # 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	390 d.addCallback(lambda __: client.roster.requestRoster())
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	391 # 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	392 d.addCallback(lambda __: client.roster.got_roster)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	393 # initial presence must be sent manually
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	394 d.addCallback(lambda __: client.presence.available())
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	395
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	396 def onReceive(self, element, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	397 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	398 if session.enabled and element.name.lower() in C.STANZA_NAMES:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	399 session.in_counter += 1 % MAX_COUNTER
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	400
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	401 def onSend(self, obj, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	402 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	403 if (session.enabled
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	404 and domish.IElement.providedBy(obj)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	405 and obj.name.lower() in C.STANZA_NAMES):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	406 session.out_counter += 1 % MAX_COUNTER
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	407 session.buffer.appendleft(obj)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	408 self.checkAcks(client)
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 def onAckRequest(self, r_elt, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	411 self.sendAck(client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	412
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	413 def onAckAnswer(self, a_elt, client):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	414 session = client._xep_0198_session
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	415 session.ack_requested = False
2725 d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout: Goffi <goffi@goffi.org> parents: 2691 diff changeset	416 if session.req_timer is None:
d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout: Goffi <goffi@goffi.org> parents: 2691 diff changeset	417 log.error("reg_timer should be set")
d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout: Goffi <goffi@goffi.org> parents: 2691 diff changeset	418 else:
d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout: Goffi <goffi@goffi.org> parents: 2691 diff changeset	419 session.req_timer.cancel()
d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout: Goffi <goffi@goffi.org> parents: 2691 diff changeset	420 session.req_timer = None
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	421 try:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	422 server_acked = int(a_elt['h'])
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	423 except ValueError:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	424 log.warning(_(u"Server returned invalid ack element, disabling stream "
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	425 u"management: {xml}").format(xml=a_elt))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	426 session.enabled = False
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	427 return
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	428
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	429 if server_acked > session.out_counter:
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	430 log.error(_(u"Server acked more stanzas than we have sent, disabling stream "
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	431 u"management."))
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	432 session.reset()
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	433 return
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	434
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	435 self.updateBuffer(session, server_acked)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	436 self.checkAcks(client)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	437
2725 d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout: Goffi <goffi@goffi.org> parents: 2691 diff changeset	438 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	439 """Called when a requested ACK has not been received in time"""
d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout: Goffi <goffi@goffi.org> parents: 2691 diff changeset	440 log.info(_(u"Ack was not received in time, aborting connection"))
d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout: Goffi <goffi@goffi.org> parents: 2691 diff changeset	441 client.xmlstream.transport.abortConnection()
d0466af33483 plugin XEP-0198: abort connection if ack is not received after a timeout: Goffi <goffi@goffi.org> parents: 2691 diff changeset	442
2691 1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	443
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	444 class XEP_0198_handler(xmlstream.XMPPHandler):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	445 implements(iwokkel.IDisco)
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	446
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	447 def __init__(self, plugin_parent):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	448 self.plugin_parent = plugin_parent
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	449 self.host = plugin_parent.host
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	450
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	451 def connectionInitialized(self):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	452 self.xmlstream.addObserver(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	453 SM_ENABLED, self.plugin_parent.onEnabled, client=self.parent
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	454 )
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	455 self.xmlstream.addObserver(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	456 SM_RESUMED, self.plugin_parent.onResumed, client=self.parent
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	457 )
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	458 self.xmlstream.addObserver(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	459 SM_FAILED, self.plugin_parent.onFailed, client=self.parent
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	460 )
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	461 self.xmlstream.addObserver(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	462 SM_R_REQUEST, self.plugin_parent.onAckRequest, client=self.parent
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 self.xmlstream.addObserver(
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	465 SM_A_REQUEST, self.plugin_parent.onAckAnswer, client=self.parent
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	466 )
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	467
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	468 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	469 return [disco.DiscoFeature(NS_SM)]
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	470
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	471 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
1ecceac3df96 plugin XEP-0198: Stream Management implementation: Goffi <goffi@goffi.org> parents: diff changeset	472 return []

Mercurial > libervia-backend

annotate sat/plugins/plugin_xep_0198.py @ 2725:d0466af33483