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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, gettext, gtk, gobject, dbus, avahi.ServiceTypeDatabase
26     from avahi_discover.SimpleGladeApp import SimpleGladeApp
27     gtk.glade.bindtextdomain(@GETTEXT_PACKAGE@, @LOCALEDIR@)
28     gtk.glade.textdomain(@GETTEXT_PACKAGE@)
29     _ = gettext.gettext
30 except ImportError, e:
31     print "Sorry, to use this tool you need to install Avahi, pygtk and python-dbus.\n Error: %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 glade_dir = "@interfacesdir@"
56
57 service_type_db = avahi.ServiceTypeDatabase.ServiceTypeDatabase()
58
59 class Main_window(SimpleGladeApp):
60     def __init__(self, path="avahi-discover.glade", root="main_window", domain=None, **kwargs):
61         path = os.path.join(glade_dir, path)
62         gtk.window_set_default_icon_name("network-wired")
63         SimpleGladeApp.__init__(self, path, root, domain, **kwargs)
64
65     def on_tree_view_cursor_changed(self, widget, *args):
66         (model, iter) = widget.get_selection().get_selected()
67         stype = None
68         if iter is not None:
69             (name,interface,protocol,stype,domain) = self.treemodel.get(iter,1,2,3,4,5)
70         if stype == None:
71             self.info_label.set_markup("<i>No service currently selected.</i>")
72             return
73         #Asynchronous resolving
74         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)
75
76     def protoname(self,protocol):
77         if protocol == avahi.PROTO_INET:
78             return "IPv4"
79         if protocol == avahi.PROTO_INET6:
80             return "IPv6"
81         return "n/a"
82             
83     def siocgifname(self, interface):
84         if interface <= 0:
85             return "n/a"
86         else:
87             return self.server.GetNetworkInterfaceNameByIndex(interface)
88
89     def get_interface_name(self, interface, protocol):
90         if interface == avahi.IF_UNSPEC and protocol == avahi.PROTO_UNSPEC:
91             return "Wide Area"
92         else:
93             return str(self.siocgifname(interface)) + " " + str(self.protoname(protocol))
94                         
95     def service_resolved(self, interface, protocol, name, stype, domain, host, aprotocol, address, port, txt, flags):
96         print "Service data for service '%s' of type '%s' in domain '%s' on %i.%i:" % (name, stype, domain, interface, protocol)
97
98         print "\tHost %s (%s), port %i, TXT data: %s" % (host, address, port, str(avahi.txt_array_to_string_array(txt)))
99
100         self.update_label(interface, protocol, name, stype, domain, host, aprotocol, address, port, avahi.txt_array_to_string_array(txt))
101         
102     def print_error(self, err):
103         error_label = "<b>Error:</b> %s" % (err)
104         self.info_label.set_markup(error_label)
105         print "Error:", str(err)
106
107     def lookup_type(self, stype):
108         global service_type_db
109
110         try:
111             return service_type_db[stype]
112         except KeyError:
113             return stype
114             
115     def new_service(self, interface, protocol, name, stype, domain, flags):
116         print "Found service '%s' of type '%s' in domain '%s' on %i.%i." % (name, stype, domain, interface, protocol)
117         if self.zc_ifaces.has_key((interface,protocol)) == False:
118
119             ifn = self.get_interface_name(interface, protocol)
120             
121             self.zc_ifaces[(interface,protocol)] = self.insert_row(self.treemodel, None, ifn, None,interface,protocol,None,domain)
122         if self.zc_domains.has_key((interface,protocol,domain)) == False:
123             self.zc_domains[(interface,protocol,domain)] = self.insert_row(self.treemodel, self.zc_ifaces[(interface,protocol)], domain,None,interface,protocol,None,domain)
124         if self.zc_types.has_key((interface,protocol,stype,domain)) == False:
125             thisDomain = self.zc_domains[(interface,protocol,domain)]
126             self.zc_types[(interface,protocol,stype,domain)] = self.insert_row(self.treemodel, thisDomain, self.lookup_type(stype), name, interface,None,None,None)
127         treeiter = self.insert_row(self.treemodel,self.zc_types[(interface,protocol,stype,domain)], name, name, interface,protocol,stype,domain)
128         self.services_browsed[(interface, protocol, name, stype, domain)] = treeiter
129         # expand the tree of this path
130         self.tree_view.expand_to_path(self.treemodel.get_path(treeiter))
131
132     def remove_service(self, interface, protocol, name, stype, domain, flags):
133         print "Service '%s' of type '%s' in domain '%s' on %i.%i disappeared." % (name, stype, domain, interface, protocol)
134         self.info_label.set_markup("")
135         treeiter=self.services_browsed[(interface, protocol, name, stype, domain)]
136         parent = self.treemodel.iter_parent(treeiter)
137         self.treemodel.remove(treeiter)
138         del self.services_browsed[(interface, protocol, name, stype, domain)]
139         if self.treemodel.iter_has_child(parent) == False:
140             treeiter=self.zc_types[(interface,protocol,stype,domain)]
141             parent = self.treemodel.iter_parent(treeiter)
142             self.treemodel.remove(treeiter)
143             del self.zc_types[(interface,protocol,stype,domain)]
144             if self.treemodel.iter_has_child(parent) == False:
145                 treeiter=self.zc_domains[(interface,protocol,domain)]
146                 parent = self.treemodel.iter_parent(treeiter)
147                 self.treemodel.remove(treeiter)
148                 del self.zc_domains[(interface,protocol,domain)]
149                 if self.treemodel.iter_has_child(parent) == False:
150                     treeiter=self.zc_ifaces[(interface,protocol)]
151                     parent = self.treemodel.iter_parent(treeiter)
152                     self.treemodel.remove(treeiter)
153                     del self.zc_ifaces[(interface,protocol)]
154  
155     def new_service_type(self, interface, protocol, stype, domain, flags):
156         global service_browsers
157
158         # Are we already browsing this domain for this type? 
159         if service_browsers.has_key((interface, protocol, stype, domain)):
160             return
161         
162         print "Browsing for services of type '%s' in domain '%s' on %i.%i ..." % (stype, domain, interface, protocol)
163         
164         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)
165         b.connect_to_signal('ItemNew', self.new_service)
166         b.connect_to_signal('ItemRemove', self.remove_service)
167
168         service_browsers[(interface, protocol, stype, domain)] = b
169
170     def browse_domain(self, interface, protocol, domain):
171         global service_type_browsers
172
173         # Are we already browsing this domain?
174         if service_type_browsers.has_key((interface, protocol, domain)):
175             return
176
177         if self.stype is None:
178             print "Browsing domain '%s' on %i.%i ..." % (domain, interface, protocol)
179
180             try:
181                 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)
182             except DBusException, e:
183                 print e
184                 error_msg("You should check that the avahi daemon is running.\n\nError : %s" % e)
185                 sys.exit(0)
186                 
187             b.connect_to_signal('ItemNew', self.new_service_type)
188
189             service_type_browsers[(interface, protocol, domain)] = b
190         else:
191             new_service_type(interface, protocol, stype, domain)
192
193     def new_domain(self,interface, protocol, domain, flags):
194         if self.zc_ifaces.has_key((interface,protocol)) == False:
195             ifn = self.get_interface_name(interface, protocol)
196             self.zc_ifaces[(interface,protocol)] = self.insert_row(self.treemodel, None, ifn,None,interface,protocol,None,domain)
197         if self.zc_domains.has_key((interface,protocol,domain)) == False:
198             self.zc_domains[(interface,protocol,domain)] = self.insert_row(self.treemodel, self.zc_ifaces[(interface,protocol)], domain,None,interface,protocol,None,domain)
199         if domain != "local":
200             self.browse_domain(interface, protocol, domain)
201
202     def pair_to_dict(self, l):
203         res = dict()
204         for el in l:
205             if "=" not in el:
206                 res[el]=''
207             else:
208                 tmp = el.split('=',1)
209                 if len(tmp[0]) > 0:
210                     res[tmp[0]] = tmp[1]
211         return res
212                                                                             
213
214     def update_label(self,interface, protocol, name, stype, domain, host, aprotocol, address, port, txt):
215         if len(txt) != 0:
216             txts = ""
217             txtd = self.pair_to_dict(txt)
218             for k,v in txtd.items():
219                 txts+="<b>TXT <i>%s</i></b> = %s\n" % (k,v)
220         else:
221             txts = "<b>TXT Data:</b> <i>empty</i>"
222
223         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())
224         self.info_label.set_markup(infos)
225
226     def insert_row(self, model,parent,
227                    content, name, interface,protocol,stype,domain):
228         myiter=model.insert_after(parent,None)
229         model.set(myiter,0,content,1,name,2,interface,3,protocol,4,stype,5,domain)
230         return myiter
231
232     def new(self):
233         print "A new main_window has been created"
234         self.treemodel=gtk.TreeStore(gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING)
235         self.tree_view.set_model(self.treemodel)
236
237         #creating the columns headers
238         self.tree_view.set_headers_visible(False)
239         renderer=gtk.CellRendererText()
240         column=gtk.TreeViewColumn("",renderer, text=0)
241         column.set_resizable(True)
242         column.set_sizing("GTK_TREE_VIEW_COLUMN_GROW_ONLY");
243         column.set_expand(True);
244         self.tree_view.append_column(column)
245
246         self.domain = None
247         self.stype = None
248         self.zc_ifaces = {}
249         self.zc_domains = {}
250         self.zc_types = {}
251         self.services_browsed = {}
252         
253         self.bus = dbus.SystemBus()
254         self.server = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER), avahi.DBUS_INTERFACE_SERVER)
255
256         if self.domain is None:
257             # Explicitly browse .local
258             self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, "local")
259                         
260             # Browse for other browsable domains
261             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)
262             db.connect_to_signal('ItemNew', self.new_domain)
263         else:
264             # Just browse the domain the user wants us to browse
265             self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, domain)
266
267         
268 def main():
269     main_window = Main_window()
270
271     main_window.run()
272     
273 if __name__ == "__main__":
274     main()
275
276