/usr/lib/python2.7/dist-packages/kodi/zeroconf.py is in kodi-eventclients-common 15.2+dfsg1-3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2008-2013 Team XBMC
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
Simple wrapper around Avahi
"""
__author__ = "d4rk@xbmc.org"
__version__ = "0.1"
try:
import time
import dbus, gobject, avahi
from dbus import DBusException
from dbus.mainloop.glib import DBusGMainLoop
except Exception, e:
print "Zeroconf support disabled. To enable, install the following Python modules:"
print " dbus, gobject, avahi"
pass
SERVICE_FOUND = 1
SERVICE_LOST = 2
class Browser:
""" Simple Zeroconf Browser """
def __init__( self, service_types = {} ):
"""
service_types - dictionary of services => handlers
"""
self._stop = False
self.loop = DBusGMainLoop()
self.bus = dbus.SystemBus( mainloop=self.loop )
self.server = dbus.Interface( self.bus.get_object( avahi.DBUS_NAME, '/' ),
'org.freedesktop.Avahi.Server')
self.handlers = {}
for type in service_types.keys():
self.add_service( type, service_types[ type ] )
def add_service( self, type, handler = None ):
"""
Add a service that the browser should watch for
"""
self.sbrowser = dbus.Interface(
self.bus.get_object(
avahi.DBUS_NAME,
self.server.ServiceBrowserNew(
avahi.IF_UNSPEC,
avahi.PROTO_UNSPEC,
type,
'local',
dbus.UInt32(0)
)
),
avahi.DBUS_INTERFACE_SERVICE_BROWSER)
self.handlers[ type ] = handler
self.sbrowser.connect_to_signal("ItemNew", self._new_item_handler)
self.sbrowser.connect_to_signal("ItemRemove", self._remove_item_handler)
def run(self):
"""
Run the gobject event loop
"""
# Don't use loop.run() because Python's GIL will block all threads
loop = gobject.MainLoop()
context = loop.get_context()
while not self._stop:
if context.pending():
context.iteration( True )
else:
time.sleep(1)
def stop(self):
"""
Stop the gobject event loop
"""
self._stop = True
def _new_item_handler(self, interface, protocol, name, stype, domain, flags):
if flags & avahi.LOOKUP_RESULT_LOCAL:
# local service, skip
pass
self.server.ResolveService(
interface,
protocol,
name,
stype,
domain,
avahi.PROTO_UNSPEC,
dbus.UInt32(0),
reply_handler = self._service_resolved_handler,
error_handler = self._error_handler
)
return
def _remove_item_handler(self, interface, protocol, name, stype, domain, flags):
if self.handlers[ stype ]:
# FIXME: more details needed here
try:
self.handlers[ stype ]( SERVICE_LOST, { 'type' : stype, 'name' : name } )
except:
pass
def _service_resolved_handler( self, *args ):
service = {}
service['type'] = str( args[3] )
service['name'] = str( args[2] )
service['address'] = str( args[7] )
service['hostname'] = str( args[5] )
service['port'] = int( args[8] )
# if the service type has a handler call it
try:
if self.handlers[ args[3] ]:
self.handlers[ args[3] ]( SERVICE_FOUND, service )
except:
pass
def _error_handler( self, *args ):
print 'ERROR: %s ' % str( args[0] )
if __name__ == "__main__":
def service_handler( found, service ):
print "---------------------"
print ['Found Service', 'Lost Service'][found-1]
for key in service.keys():
print key+" : "+str( service[key] )
browser = Browser( {
'_xbmc-events._udp' : service_handler,
'_xbmc-web._tcp' : service_handler
} )
browser.run()
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