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#!/usr/bin/python
# -*-python-*-
# $Id: $
# This file is part of avahi.
#
# avahi is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# avahi 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 Lesser General Public
# License along with avahi; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA.
import sys, getopt
import avahi, gobject, dbus, avahi.ServiceTypeDatabase
try:
import dbus.glib
except ImportError, e:
pass
class SimpleAvahiApp:
def __init__(self):
self.domain = None
self.stype = "_ssh._tcp"
self.service_type_browsers = {}
self.service_browsers = {}
self.service_type_db = avahi.ServiceTypeDatabase.ServiceTypeDatabase()
self.bus = dbus.SystemBus()
self.server = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER), avahi.DBUS_INTERFACE_SERVER)
if self.domain is None:
# Explicitly browse .local
self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, "local")
# Browse for other browsable domains
db = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, self.server.DomainBrowserNew(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, "", avahi.DOMAIN_BROWSER_BROWSE)), avahi.DBUS_INTERFACE_DOMAIN_BROWSER)
db.connect_to_signal('ItemNew', self.new_domain)
else:
# Just browse the domain the user wants us to browse
self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, self.domain)
def siocgifname(self, interface):
if interface <= 0:
return "any"
else:
return self.server.GetNetworkInterfaceNameByIndex(interface)
def lookup_service_type(self, stype):
try:
return self.service_type_db[stype]
except KeyError:
return "n/a"
def service_resolved(self, interface, protocol, name, stype, domain, host, aprotocol, address, port, txt):
print "Service data for service '%s' of type '%s' (%s) in domain '%s' on %s.%i:" % (name, stype, self.lookup_service_type(stype), domain, self.siocgifname(interface), protocol)
print "\tHost %s (%s), port %i, TXT data: %s" % (host, address, port, avahi.txt_array_to_string_array(txt))
def print_error(self, err):
print "Error:", str(err)
def new_service(self, interface, protocol, name, stype, domain):
print "Found service '%s' of type '%s' (%s) in domain '%s' on %s.%i." % (name, stype, self.lookup_service_type(stype), domain, self.siocgifname(interface), protocol)
# Asynchronous resolving
self.server.ResolveService(interface, protocol, name, stype, domain, avahi.PROTO_UNSPEC, reply_handler=self.service_resolved, error_handler=self.print_error)
def remove_service(self, interface, protocol, name, stype, domain):
print "Service '%s' of type '%s' (%s) in domain '%s' on %s.%i disappeared." % (name, stype, self.lookup_service_type(stype), domain, self.siocgifname(interface), protocol)
def new_service_type(self, interface, protocol, stype, domain):
# Are we already browsing this domain for this type?
if self.service_browsers.has_key((interface, protocol, stype, domain)):
return
print "Browsing for services of type '%s' (%s) in domain '%s' on %s.%i ..." % (stype, self.lookup_service_type(stype), domain, self.siocgifname(interface), protocol)
b = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, self.server.ServiceBrowserNew(interface, protocol, stype, domain)), avahi.DBUS_INTERFACE_SERVICE_BROWSER)
b.connect_to_signal('ItemNew', self.new_service)
b.connect_to_signal('ItemRemove', self.remove_service)
self.service_browsers[(interface, protocol, stype, domain)] = b
def browse_domain(self, interface, protocol, domain):
print "browse_domain"
# Are we already browsing this domain?
if self.service_type_browsers.has_key((interface, protocol, domain)):
return
if self.stype is None:
print "Browsing domain '%s' on %s.%i ..." % (domain, self.siocgifname(interface), protocol)
b = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, self.server.ServiceTypeBrowserNew(interface, protocol, domain)), avahi.DBUS_INTERFACE_SERVICE_TYPE_BROWSER)
b.connect_to_signal('ItemNew', self.new_service_type)
self.service_type_browsers[(interface, protocol, domain)] = b
else:
self.new_service_type(interface, protocol, self.stype, domain)
def new_domain(self, interface, protocol, domain):
# We browse for .local anyway...
if domain != "local":
self.browse_domain(interface, protocol, domain)
if __name__ == "__main__":
print "__main__"
sb = SimpleAvahiApp()
try:
gobject.MainLoop().run()
except KeyboardInterrupt, k:
pass
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