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