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#!@PYTHON@
# -*-python-*-
# 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.
from __future__ import print_function
import os, sys
try:
import avahi, gettext, dbus, avahi.ServiceTypeDatabase
gettext.bindtextdomain(@GETTEXT_PACKAGE@, @LOCALEDIR@)
gettext.textdomain(@GETTEXT_PACKAGE@)
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk, GObject, GLib
_ = gettext.gettext
except ImportError as e:
print("Sorry, to use this tool you need to install Avahi, pygtk and python-dbus.\n Error: %s" % e)
sys.exit(1)
except Exception as e:
print("Failed to initialize: %s" % e)
sys.exit(1)
## !!NOTE!! ##
# It's really important to do this, else you won't see any events
##
try:
from dbus import DBusException
from dbus.mainloop.glib import DBusGMainLoop
DBusGMainLoop(set_as_default=True)
except ImportError as e:
pass
service_type_browsers = {}
service_browsers = {}
def error_msg(msg):
d = Gtk.MessageDialog(parent=None, flags=Gtk.DialogFlags.MODAL,
type=Gtk.MessageType.ERROR, buttons=Gtk.ButtonsType.OK)
d.set_markup(msg)
d.show_all()
d.run()
d.destroy()
ui_dir = "@interfacesdir@"
service_type_db = avahi.ServiceTypeDatabase.ServiceTypeDatabase()
class Main_window:
def __init__(self, path="avahi-discover.ui", root="main_window", domain=None, **kwargs):
path = os.path.join(ui_dir, path)
Gtk.Window.set_default_icon_name("network-wired")
self.ui = Gtk.Builder()
self.ui.set_translation_domain("avahi")
self.ui.add_from_file(path)
self.ui.connect_signals(self)
self.tree_view = self.ui.get_object("tree_view")
self.info_label = self.ui.get_object("info_label")
self.new()
def on_tree_view_cursor_changed(self, widget, *args):
(model, iter) = widget.get_selection().get_selected()
stype = None
if iter is not None:
(name,interface,protocol,stype,domain) = self.treemodel.get(iter,1,2,3,4,5)
if stype == None:
self.info_label.set_markup(_("<i>No service currently selected.</i>"))
return
#Asynchronous resolving
self.server.ResolveService( int(interface), int(protocol), name, stype, domain, avahi.PROTO_UNSPEC, dbus.UInt32(0), reply_handler=self.service_resolved, error_handler=self.print_error)
def protoname(self,protocol):
if protocol == avahi.PROTO_INET:
return "IPv4"
if protocol == avahi.PROTO_INET6:
return "IPv6"
return "n/a"
def siocgifname(self, interface):
if interface <= 0:
return "n/a"
else:
return self.server.GetNetworkInterfaceNameByIndex(interface)
def get_interface_name(self, interface, protocol):
if interface == avahi.IF_UNSPEC and protocol == avahi.PROTO_UNSPEC:
return "Wide Area"
else:
return str(self.siocgifname(interface)) + " " + str(self.protoname(protocol))
def service_resolved(self, interface, protocol, name, stype, domain, host, aprotocol, address, port, txt, flags):
print("Service data for service '%s' of type '%s' in domain '%s' on %i.%i:"
% (name, stype, domain, interface, protocol))
print("\tHost %s (%s), port %i, TXT data: %s"
% (host, address, port, str(avahi.txt_array_to_string_array(txt))))
self.update_label(interface, protocol, name, stype, domain, host, aprotocol, address, port, avahi.txt_array_to_string_array(txt))
def print_error(self, err):
error_label = "<b>Error:</b> %s" % (err)
self.info_label.set_markup(error_label)
print("Error:", str(err))
def lookup_type(self, stype):
global service_type_db
try:
return service_type_db[stype].decode('utf-8', 'replace')
except KeyError:
return stype
def new_service(self, interface, protocol, name, stype, domain, flags):
print("Found service '%s' of type '%s' in domain '%s' on %i.%i."
% (name, stype, domain, interface, protocol))
if (interface,protocol) not in self.zc_ifaces:
ifn = self.get_interface_name(interface, protocol)
self.zc_ifaces[(interface,protocol)] = self.insert_row(self.treemodel, None, ifn, None,interface,protocol,None,domain)
if (interface,protocol,domain) not in self.zc_domains:
self.zc_domains[(interface,protocol,domain)] = self.insert_row(self.treemodel, self.zc_ifaces[(interface,protocol)], domain,None,interface,protocol,None,domain)
if (interface,protocol,stype,domain) not in self.zc_types:
thisDomain = self.zc_domains[(interface,protocol,domain)]
self.zc_types[(interface,protocol,stype,domain)] = self.insert_row(self.treemodel, thisDomain, self.lookup_type(stype), name, interface,None,None,None)
treeiter = self.insert_row(self.treemodel,self.zc_types[(interface,protocol,stype,domain)], name, name, interface,protocol,stype,domain)
self.services_browsed[(interface, protocol, name, stype, domain)] = treeiter
# expand the tree of this path
self.tree_view.expand_to_path(self.treemodel.get_path(treeiter))
def remove_service(self, interface, protocol, name, stype, domain, flags):
print("Service '%s' of type '%s' in domain '%s' on %i.%i disappeared."
% (name, stype, domain, interface, protocol))
self.info_label.set_markup("")
treeiter=self.services_browsed[(interface, protocol, name, stype, domain)]
parent = self.treemodel.iter_parent(treeiter)
self.treemodel.remove(treeiter)
del self.services_browsed[(interface, protocol, name, stype, domain)]
if self.treemodel.iter_has_child(parent) == False:
treeiter=self.zc_types[(interface,protocol,stype,domain)]
parent = self.treemodel.iter_parent(treeiter)
self.treemodel.remove(treeiter)
del self.zc_types[(interface,protocol,stype,domain)]
if self.treemodel.iter_has_child(parent) == False:
treeiter=self.zc_domains[(interface,protocol,domain)]
parent = self.treemodel.iter_parent(treeiter)
self.treemodel.remove(treeiter)
del self.zc_domains[(interface,protocol,domain)]
if self.treemodel.iter_has_child(parent) == False:
treeiter=self.zc_ifaces[(interface,protocol)]
parent = self.treemodel.iter_parent(treeiter)
self.treemodel.remove(treeiter)
del self.zc_ifaces[(interface,protocol)]
def new_service_type(self, interface, protocol, stype, domain, flags):
global service_browsers
# Are we already browsing this domain for this type?
if (interface, protocol, stype, domain) in service_browsers:
return
print("Browsing for services of type '%s' in domain '%s' on %i.%i ..."
% (stype, domain, interface, protocol))
b = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, self.server.ServiceBrowserNew(interface, protocol, stype, domain, dbus.UInt32(0))), avahi.DBUS_INTERFACE_SERVICE_BROWSER)
b.connect_to_signal('ItemNew', self.new_service)
b.connect_to_signal('ItemRemove', self.remove_service)
service_browsers[(interface, protocol, stype, domain)] = b
def browse_domain(self, interface, protocol, domain):
global service_type_browsers
# Are we already browsing this domain?
if (interface, protocol, domain) in service_type_browsers:
return
if self.stype is None:
print("Browsing domain '%s' on %i.%i ..." % (domain, interface, protocol))
try:
b = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, self.server.ServiceTypeBrowserNew(interface, protocol, domain, dbus.UInt32(0))), avahi.DBUS_INTERFACE_SERVICE_TYPE_BROWSER)
except DBusException as e:
print(e)
error_msg("You should check that the avahi daemon is running.\n\nError : %s" % e)
sys.exit(0)
b.connect_to_signal('ItemNew', self.new_service_type)
service_type_browsers[(interface, protocol, domain)] = b
else:
self.new_service_type(interface, protocol, self.stype, domain)
def new_domain(self,interface, protocol, domain, flags):
if (interface,protocol) not in self.zc_ifaces:
ifn = self.get_interface_name(interface, protocol)
self.zc_ifaces[(interface,protocol)] = self.insert_row(self.treemodel, None, ifn,None,interface,protocol,None,domain)
if (interface,protocol,domain) not in self.zc_domains:
self.zc_domains[(interface,protocol,domain)] = self.insert_row(self.treemodel, self.zc_ifaces[(interface,protocol)], domain,None,interface,protocol,None,domain)
if domain != "local":
self.browse_domain(interface, protocol, domain)
def pair_to_dict(self, l):
res = dict()
for el in l:
if "=" not in el:
res[el]=''
else:
tmp = el.split('=',1)
if len(tmp[0]) > 0:
res[tmp[0]] = tmp[1]
return res
def update_label(self,interface, protocol, name, stype, domain, host, aprotocol, address, port, txt):
if len(txt) != 0:
txts = ""
txtd = self.pair_to_dict(txt)
for k,v in txtd.items():
txts+="<b>" + _("TXT") + " <i>%s</i></b> = %s\n" % (
GLib.markup_escape_text(k),
GLib.markup_escape_text(v),
)
else:
txts = "<b>" + _("TXT Data:") + "</b> <i>" + _("empty") + "</i>"
if isinstance(txts, bytes): # Python 2
txts = txts.decode("utf-8")
infos = "<b>" + _("Service Type:") + "</b> %s\n"
infos += "<b>" + _("Service Name:") + "</b> %s\n"
infos += "<b>" + _("Domain Name:") + "</b> %s\n"
infos += "<b>" + _("Interface:") + "</b> %s %s\n"
infos += "<b>" + _("Address:") + "</b> %s/%s:%i\n%s"
if isinstance(infos, bytes): # Python 2
infos = infos.decode("utf-8")
infos = infos % (
GLib.markup_escape_text(stype),
GLib.markup_escape_text(name),
GLib.markup_escape_text(domain),
GLib.markup_escape_text(self.siocgifname(interface)),
GLib.markup_escape_text(self.protoname(protocol)),
GLib.markup_escape_text(host),
GLib.markup_escape_text(address),
port,
txts.strip(),
)
self.info_label.set_markup(infos)
def insert_row(self, model,parent,
content, name, interface,protocol,stype,domain):
myiter=model.insert_after(parent,None)
model.set(myiter,0,content,1,name,2,str(interface),3,str(protocol),4,stype,5,domain)
return myiter
def new(self):
self.treemodel=Gtk.TreeStore(GObject.TYPE_STRING, GObject.TYPE_STRING, GObject.TYPE_STRING, GObject.TYPE_STRING, GObject.TYPE_STRING, GObject.TYPE_STRING)
self.tree_view.set_model(self.treemodel)
#creating the columns headers
self.tree_view.set_headers_visible(False)
renderer=Gtk.CellRendererText()
column=Gtk.TreeViewColumn("",renderer, text=0)
column.set_resizable(True)
column.set_sizing(Gtk.TreeViewColumnSizing.GROW_ONLY)
column.set_expand(True)
self.tree_view.append_column(column)
self.domain = None
self.stype = None
self.zc_ifaces = {}
self.zc_domains = {}
self.zc_types = {}
self.services_browsed = {}
try:
self.bus = dbus.SystemBus()
self.server = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER), avahi.DBUS_INTERFACE_SERVER)
except Exception as e:
print("Failed to connect to Avahi Server (Is it running?): %s" % e)
sys.exit(1)
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, dbus.UInt32(0))), 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 gtk_main_quit(self, *args):
Gtk.main_quit()
def main():
main_window = Main_window()
# http://stackoverflow.com/a/16486080/434217
import signal
signal.signal(signal.SIGINT, signal.SIG_DFL)
Gtk.main()
if __name__ == "__main__":
main()
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