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[catta] / avahi-python / avahi-discover / avahi-discover.py
1 #!@PYTHON@
2 # -*-python-*-
3 # This file is part of avahi.
4 #
5 # avahi is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU Lesser General Public License as
7 # published by the Free Software Foundation; either version 2 of the
8 # License, or (at your option) any later version.
9 #
10 # avahi is distributed in the hope that it will be useful, but WITHOUT
11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12 # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
13 # License for more details.
14 #
15 # You should have received a copy of the GNU Lesser General Public
16 # License along with avahi; if not, write to the Free Software
17 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
18 # USA.
19
20 import os, sys
21
22 try:
23     import avahi, gettext, gtk, gobject, dbus, avahi.ServiceTypeDatabase
24     gettext.bindtextdomain(@GETTEXT_PACKAGE@, @LOCALEDIR@)
25     gettext.textdomain(@GETTEXT_PACKAGE@)
26     _ = gettext.gettext
27 except ImportError, e:
28     print "Sorry, to use this tool you need to install Avahi, pygtk and python-dbus.\n Error: %s" % e
29     sys.exit(1)
30 except Exception, e:
31     print "Failed to initialize: %s" % e
32     sys.exit(1)
33
34
35 ## !!NOTE!! ##
36 # It's really important to do this, else you won't see any events
37 ##
38 try:
39     from dbus import DBusException
40     import dbus.glib
41 except ImportError, e:
42     pass
43
44 service_type_browsers = {}
45 service_browsers = {}
46
47 def error_msg(msg):
48     d = gtk.MessageDialog(parent=None, flags=gtk.DIALOG_MODAL,
49                           type=gtk.MESSAGE_ERROR, buttons=gtk.BUTTONS_OK)
50     d.set_markup(msg)
51     d.show_all()
52     d.run()
53     d.destroy()
54
55 ui_dir = "@interfacesdir@"
56
57 service_type_db = avahi.ServiceTypeDatabase.ServiceTypeDatabase()
58
59 class Main_window:
60     def __init__(self, path="avahi-discover.ui", root="main_window", domain=None, **kwargs):
61         path = os.path.join(ui_dir, path)
62         gtk.window_set_default_icon_name("network-wired")
63         self.ui = gtk.Builder()
64         self.ui.add_from_file(path)
65         self.ui.connect_signals(self)
66         self.tree_view = self.ui.get_object("tree_view")
67         self.info_label = self.ui.get_object("info_label")
68         self.new()
69
70     def on_tree_view_cursor_changed(self, widget, *args):
71         (model, iter) = widget.get_selection().get_selected()
72         stype = None
73         if iter is not None:
74             (name,interface,protocol,stype,domain) = self.treemodel.get(iter,1,2,3,4,5)
75         if stype == None:
76             self.info_label.set_markup(_("<i>No service currently selected.</i>"))
77             return
78         #Asynchronous resolving
79         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)
80
81     def protoname(self,protocol):
82         if protocol == avahi.PROTO_INET:
83             return "IPv4"
84         if protocol == avahi.PROTO_INET6:
85             return "IPv6"
86         return "n/a"
87
88     def siocgifname(self, interface):
89         if interface <= 0:
90             return "n/a"
91         else:
92             return self.server.GetNetworkInterfaceNameByIndex(interface)
93
94     def get_interface_name(self, interface, protocol):
95         if interface == avahi.IF_UNSPEC and protocol == avahi.PROTO_UNSPEC:
96             return "Wide Area"
97         else:
98             return str(self.siocgifname(interface)) + " " + str(self.protoname(protocol))
99
100     def service_resolved(self, interface, protocol, name, stype, domain, host, aprotocol, address, port, txt, flags):
101         print "Service data for service '%s' of type '%s' in domain '%s' on %i.%i:" % (name, stype, domain, interface, protocol)
102
103         print "\tHost %s (%s), port %i, TXT data: %s" % (host, address, port, str(avahi.txt_array_to_string_array(txt)))
104
105         self.update_label(interface, protocol, name, stype, domain, host, aprotocol, address, port, avahi.txt_array_to_string_array(txt))
106
107     def print_error(self, err):
108         error_label = "<b>Error:</b> %s" % (err)
109         self.info_label.set_markup(error_label)
110         print "Error:", str(err)
111
112     def lookup_type(self, stype):
113         global service_type_db
114
115         try:
116             return service_type_db[stype]
117         except KeyError:
118             return stype
119
120     def new_service(self, interface, protocol, name, stype, domain, flags):
121         print "Found service '%s' of type '%s' in domain '%s' on %i.%i." % (name, stype, domain, interface, protocol)
122         if self.zc_ifaces.has_key((interface,protocol)) == False:
123
124             ifn = self.get_interface_name(interface, protocol)
125
126             self.zc_ifaces[(interface,protocol)] = self.insert_row(self.treemodel, None, ifn, None,interface,protocol,None,domain)
127         if self.zc_domains.has_key((interface,protocol,domain)) == False:
128             self.zc_domains[(interface,protocol,domain)] = self.insert_row(self.treemodel, self.zc_ifaces[(interface,protocol)], domain,None,interface,protocol,None,domain)
129         if self.zc_types.has_key((interface,protocol,stype,domain)) == False:
130             thisDomain = self.zc_domains[(interface,protocol,domain)]
131             self.zc_types[(interface,protocol,stype,domain)] = self.insert_row(self.treemodel, thisDomain, self.lookup_type(stype), name, interface,None,None,None)
132         treeiter = self.insert_row(self.treemodel,self.zc_types[(interface,protocol,stype,domain)], name, name, interface,protocol,stype,domain)
133         self.services_browsed[(interface, protocol, name, stype, domain)] = treeiter
134         # expand the tree of this path
135         self.tree_view.expand_to_path(self.treemodel.get_path(treeiter))
136
137     def remove_service(self, interface, protocol, name, stype, domain, flags):
138         print "Service '%s' of type '%s' in domain '%s' on %i.%i disappeared." % (name, stype, domain, interface, protocol)
139         self.info_label.set_markup("")
140         treeiter=self.services_browsed[(interface, protocol, name, stype, domain)]
141         parent = self.treemodel.iter_parent(treeiter)
142         self.treemodel.remove(treeiter)
143         del self.services_browsed[(interface, protocol, name, stype, domain)]
144         if self.treemodel.iter_has_child(parent) == False:
145             treeiter=self.zc_types[(interface,protocol,stype,domain)]
146             parent = self.treemodel.iter_parent(treeiter)
147             self.treemodel.remove(treeiter)
148             del self.zc_types[(interface,protocol,stype,domain)]
149             if self.treemodel.iter_has_child(parent) == False:
150                 treeiter=self.zc_domains[(interface,protocol,domain)]
151                 parent = self.treemodel.iter_parent(treeiter)
152                 self.treemodel.remove(treeiter)
153                 del self.zc_domains[(interface,protocol,domain)]
154                 if self.treemodel.iter_has_child(parent) == False:
155                     treeiter=self.zc_ifaces[(interface,protocol)]
156                     parent = self.treemodel.iter_parent(treeiter)
157                     self.treemodel.remove(treeiter)
158                     del self.zc_ifaces[(interface,protocol)]
159
160     def new_service_type(self, interface, protocol, stype, domain, flags):
161         global service_browsers
162
163         # Are we already browsing this domain for this type?
164         if service_browsers.has_key((interface, protocol, stype, domain)):
165             return
166
167         print "Browsing for services of type '%s' in domain '%s' on %i.%i ..." % (stype, domain, interface, protocol)
168
169         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)
170         b.connect_to_signal('ItemNew', self.new_service)
171         b.connect_to_signal('ItemRemove', self.remove_service)
172
173         service_browsers[(interface, protocol, stype, domain)] = b
174
175     def browse_domain(self, interface, protocol, domain):
176         global service_type_browsers
177
178         # Are we already browsing this domain?
179         if service_type_browsers.has_key((interface, protocol, domain)):
180             return
181
182         if self.stype is None:
183             print "Browsing domain '%s' on %i.%i ..." % (domain, interface, protocol)
184
185             try:
186                 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)
187             except DBusException, e:
188                 print e
189                 error_msg("You should check that the avahi daemon is running.\n\nError : %s" % e)
190                 sys.exit(0)
191
192             b.connect_to_signal('ItemNew', self.new_service_type)
193
194             service_type_browsers[(interface, protocol, domain)] = b
195         else:
196             new_service_type(interface, protocol, stype, domain)
197
198     def new_domain(self,interface, protocol, domain, flags):
199         if self.zc_ifaces.has_key((interface,protocol)) == False:
200             ifn = self.get_interface_name(interface, protocol)
201             self.zc_ifaces[(interface,protocol)] = self.insert_row(self.treemodel, None, ifn,None,interface,protocol,None,domain)
202         if self.zc_domains.has_key((interface,protocol,domain)) == False:
203             self.zc_domains[(interface,protocol,domain)] = self.insert_row(self.treemodel, self.zc_ifaces[(interface,protocol)], domain,None,interface,protocol,None,domain)
204         if domain != "local":
205             self.browse_domain(interface, protocol, domain)
206
207     def pair_to_dict(self, l):
208         res = dict()
209         for el in l:
210             if "=" not in el:
211                 res[el]=''
212             else:
213                 tmp = el.split('=',1)
214                 if len(tmp[0]) > 0:
215                     res[tmp[0]] = tmp[1]
216         return res
217
218
219     def update_label(self,interface, protocol, name, stype, domain, host, aprotocol, address, port, txt):
220         if len(txt) != 0:
221             txts = ""
222             txtd = self.pair_to_dict(txt)
223             for k,v in txtd.items():
224                 txts+="<b>" + _("TXT") + " <i>%s</i></b> = %s\n" % (k,v)
225         else:
226             txts = "<b>" + _("TXT Data:") + "</b> <i>" + _("empty") + "</i>"
227
228         infos = "<b>" + _("Service Type:") + "</b> %s\n"
229         infos += "<b>" + _("Service Name:") + "</b> %s\n"
230         infos += "<b>" + _("Domain Name:") + "</b> %s\n"
231         infos += "<b>" + _("Interface:") + "</b> %s %s\n"
232         infos += "<b>" + _("Address:") + "</b> %s/%s:%i\n%s"
233         infos = infos % (stype, name, domain, self.siocgifname(interface), self.protoname(protocol), host, address, port, txts.strip())
234         self.info_label.set_markup(infos)
235
236     def insert_row(self, model,parent,
237                    content, name, interface,protocol,stype,domain):
238         myiter=model.insert_after(parent,None)
239         model.set(myiter,0,content,1,name,2,str(interface),3,str(protocol),4,stype,5,domain)
240         return myiter
241
242     def new(self):
243         self.treemodel=gtk.TreeStore(gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING)
244         self.tree_view.set_model(self.treemodel)
245
246         #creating the columns headers
247         self.tree_view.set_headers_visible(False)
248         renderer=gtk.CellRendererText()
249         column=gtk.TreeViewColumn("",renderer, text=0)
250         column.set_resizable(True)
251         column.set_sizing("GTK_TREE_VIEW_COLUMN_GROW_ONLY");
252         column.set_expand(True);
253         self.tree_view.append_column(column)
254
255         self.domain = None
256         self.stype = None
257         self.zc_ifaces = {}
258         self.zc_domains = {}
259         self.zc_types = {}
260         self.services_browsed = {}
261
262         try:
263             self.bus = dbus.SystemBus()
264             self.server = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER), avahi.DBUS_INTERFACE_SERVER)
265         except Exception, e:
266             print "Failed to connect to Avahi Server (Is it running?): %s" % e
267             sys.exit(1)
268
269         if self.domain is None:
270             # Explicitly browse .local
271             self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, "local")
272
273             # Browse for other browsable domains
274             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)
275             db.connect_to_signal('ItemNew', self.new_domain)
276         else:
277             # Just browse the domain the user wants us to browse
278             self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, domain)
279
280     def gtk_main_quit(self, *args):
281         gtk.main_quit()
282
283 def main():
284     main_window = Main_window()
285     gtk.main()
286
287 if __name__ == "__main__":
288     main()