2009-06-03 22:56:51 +00:00
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"""
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SleekXMPP: The Sleek XMPP Library
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XEP-0199 (Ping) support
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Copyright (C) 2007 Kevin Smith
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This file is part of SleekXMPP.
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SleekXMPP 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 by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SleekXMPP 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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You should have received a copy of the GNU General Public License
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along with SleekXMPP; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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"""
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from xml.etree import cElementTree as ET
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from . import base
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import time
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import logging
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class xep_0199(base.base_plugin):
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"""XEP-0199 XMPP Ping"""
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def plugin_init(self):
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self.description = "XMPP Ping"
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self.xep = "0199"
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2010-07-19 23:19:33 +00:00
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self.xmpp.add_handler("<iq type='get' xmlns='%s'><ping xmlns='http://www.xmpp.org/extensions/xep-0199.html#ns'/></iq>" % self.xmpp.default_ns, self.handler_ping, name='XMPP Ping')
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2009-06-03 22:56:51 +00:00
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self.running = False
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2009-08-31 22:46:31 +00:00
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#if self.config.get('keepalive', True):
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#self.xmpp.add_event_handler('session_start', self.handler_pingserver, threaded=True)
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2009-06-03 22:56:51 +00:00
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def post_init(self):
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2010-05-26 17:51:51 +00:00
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base.base_plugin.post_init(self)
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2010-05-25 22:10:34 +00:00
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self.xmpp.plugin['xep_0030'].add_feature('http://www.xmpp.org/extensions/xep-0199.html#ns')
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2009-06-03 22:56:51 +00:00
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def handler_pingserver(self, xml):
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if not self.running:
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time.sleep(self.config.get('frequency', 300))
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while self.sendPing(self.xmpp.server, self.config.get('timeout', 30)) is not False:
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time.sleep(self.config.get('frequency', 300))
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logging.debug("Did not recieve ping back in time. Requesting Reconnect.")
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self.xmpp.disconnect(reconnect=True)
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def handler_ping(self, xml):
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iq = self.xmpp.makeIqResult(xml.get('id', 'unknown'))
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iq.attrib['to'] = xml.get('from', self.xmpp.server)
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self.xmpp.send(iq)
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def sendPing(self, jid, timeout = 30):
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""" sendPing(jid, timeout)
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Sends a ping to the specified jid, returning the time (in seconds)
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to receive a reply, or None if no reply is received in timeout seconds.
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"""
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id = self.xmpp.getNewId()
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iq = self.xmpp.makeIq(id)
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iq.attrib['type'] = 'get'
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iq.attrib['to'] = jid
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ping = ET.Element('{http://www.xmpp.org/extensions/xep-0199.html#ns}ping')
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iq.append(ping)
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startTime = time.clock()
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2010-04-08 06:10:32 +00:00
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#pingresult = self.xmpp.send(iq, self.xmpp.makeIq(id), timeout)
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pingresult = iq.send()
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2009-06-03 22:56:51 +00:00
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endTime = time.clock()
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if pingresult == False:
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#self.xmpp.disconnect(reconnect=True)
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return False
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return endTime - startTime
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