124 lines
3.8 KiB
Python
124 lines
3.8 KiB
Python
# This file is part of Gajim.
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#
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# Gajim is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published
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# by the Free Software Foundation; version 3 only.
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#
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# Gajim is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Gajim. If not, see <http://www.gnu.org/licenses/>.
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# XEP-0199: XMPP Ping
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import logging
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import time
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import nbxmpp
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from gajim.common import app
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from gajim.common.nec import NetworkIncomingEvent
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log = logging.getLogger('gajim.c.m.ping')
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class Ping:
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def __init__(self, con):
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self._con = con
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self._account = con.name
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self._alarm_time = None
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self.handlers = [
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('iq', self._answer_request, 'get', nbxmpp.NS_PING),
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]
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def _get_ping_iq(self, to):
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iq = nbxmpp.Iq('get', to=to)
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iq.addChild(name='ping', namespace=nbxmpp.NS_PING)
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return iq
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def send_keepalive_ping(self):
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if not app.account_is_connected(self._account):
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return
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to = app.config.get_per('accounts', self._account, 'hostname')
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self._con.connection.SendAndCallForResponse(self._get_ping_iq(to),
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self._keepalive_received)
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log.info('Send keepalive')
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seconds = app.config.get_per('accounts', self._account,
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'time_for_ping_alive_answer')
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self._alarm_time = app.idlequeue.set_alarm(self._reconnect, seconds)
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def _keepalive_received(self, stanza):
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log.info('Received keepalive')
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app.idlequeue.remove_alarm(self._reconnect, self._alarm_time)
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def _reconnect(self):
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if not app.config.get_per('accounts', self._account, 'active'):
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# Account may have been disabled
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return
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# We haven't got the pong in time, disco and reconnect
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log.warning('No reply received for keepalive ping. Reconnecting...')
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self._con.disconnectedReconnCB()
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def send_ping(self, contact):
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if not app.account_is_connected(self._account):
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return
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to = contact.get_full_jid()
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iq = self._get_ping_iq(to)
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log.info('Send ping to %s', to)
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self._con.connection.SendAndCallForResponse(
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iq, self._pong_received, {'ping_time': time.time(),
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'contact': contact})
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app.nec.push_incoming_event(
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PingSentEvent(None, conn=self._con, contact=contact))
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def _pong_received(self, con, stanza, ping_time, contact):
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if not nbxmpp.isResultNode(stanza):
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log.info('Error: %s', stanza.getError())
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app.nec.push_incoming_event(
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PingErrorEvent(None, conn=self._con, contact=contact))
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return
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diff = round(time.time() - ping_time, 2)
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log.info('Received pong from %s after %s seconds',
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stanza.getFrom(), diff)
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app.nec.push_incoming_event(
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PingReplyEvent(None, conn=self._con,
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contact=contact,
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seconds=diff))
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def _answer_request(self, con, stanza):
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iq = stanza.buildReply('result')
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q = iq.getTag('ping')
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if q is not None:
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iq.delChild(q)
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self._con.connection.send(iq)
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log.info('Send pong to %s', stanza.getFrom())
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raise nbxmpp.NodeProcessed
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class PingSentEvent(NetworkIncomingEvent):
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name = 'ping-sent'
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class PingReplyEvent(NetworkIncomingEvent):
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name = 'ping-reply'
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class PingErrorEvent(NetworkIncomingEvent):
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name = 'ping-error'
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def get_instance(*args, **kwargs):
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return Ping(*args, **kwargs), 'Ping'
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