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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:
28     print "Sorry, to use this tool you need to install Avahi, pygtk and python-dbus."
29     sys.exit(1)
30
31 try:
32     import dbus.glib
33 except ImportError, e:
34     pass
35
36 service_type_browsers = {}
37 service_browsers = {}
38
39 glade_dir = "@interfacesdir@"
40
41 service_type_db = avahi.ServiceTypeDatabase.ServiceTypeDatabase()
42
43 class Main_window(SimpleGladeApp):
44     def __init__(self, path="avahi-discover.glade", root="main_window", domain=None, **kwargs):
45         path = os.path.join(glade_dir, path)
46         SimpleGladeApp.__init__(self, path, root, domain, **kwargs)
47
48     def on_tree_view_cursor_changed(self, widget, *args):
49         (model, iter) = widget.get_selection().get_selected()
50         (name,interface,protocol,stype,domain) = self.treemodel.get(iter,1,2,3,4,5)
51         if stype == None:
52             self.info_label.set_markup("<i>No service currently selected.</i>")
53             return
54         #Asynchronous resolving
55         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)
56
57     def protoname(self,protocol):
58         if protocol == avahi.PROTO_INET:
59             return "IPv4"
60         if protocol == avahi.PROTO_INET6:
61             return "IPv6"
62         return "n/a"
63             
64     def siocgifname(self, interface):
65         if interface <= 0:
66             return "n/a"
67         else:
68             return self.server.GetNetworkInterfaceNameByIndex(interface)
69
70     def get_interface_name(self, interface, protocol):
71         if interface == avahi.IF_UNSPEC and protocol == avahi.PROTO_UNSPEC:
72             return "Wide Area"
73         else:
74             return str(self.siocgifname(interface)) + " " + str(self.protoname(protocol))
75                         
76     def service_resolved(self, interface, protocol, name, stype, domain, host, aprotocol, address, port, txt, flags):
77         print "Service data for service '%s' of type '%s' in domain '%s' on %i.%i:" % (name, stype, domain, interface, protocol)
78
79         print "\tHost %s (%s), port %i, TXT data: %s" % (host, address, port, str(avahi.txt_array_to_string_array(txt)))
80
81         self.update_label(interface, protocol, name, stype, domain, host, aprotocol, address, port, avahi.txt_array_to_string_array(txt))
82         
83     def print_error(self, err):
84         error_label = "<b>Error:</b> %s" % (err)
85         self.info_label.set_markup(error_label)
86         print "Error:", str(err)
87
88     def lookup_type(self, stype):
89         global service_type_db
90
91         try:
92             return service_type_db[stype]
93         except KeyError:
94             return stype
95             
96     def new_service(self, interface, protocol, name, stype, domain, flags):
97         print "Found service '%s' of type '%s' in domain '%s' on %i.%i." % (name, stype, domain, interface, protocol)
98         if self.zc_ifaces.has_key((interface,protocol)) == False:
99
100             ifn = self.get_interface_name(interface, protocol)
101             
102             self.zc_ifaces[(interface,protocol)] = self.insert_row(self.treemodel, None, ifn, None,interface,protocol,None,domain)
103         if self.zc_domains.has_key((interface,protocol,domain)) == False:
104             self.zc_domains[(interface,protocol,domain)] = self.insert_row(self.treemodel, self.zc_ifaces[(interface,protocol)], domain,None,interface,protocol,None,domain)
105         if self.zc_types.has_key((interface,protocol,stype,domain)) == False:
106             thisDomain = self.zc_domains[(interface,protocol,domain)]
107             self.zc_types[(interface,protocol,stype,domain)] = self.insert_row(self.treemodel, thisDomain, self.lookup_type(stype), name, interface,None,None,None)
108         treeiter = self.insert_row(self.treemodel,self.zc_types[(interface,protocol,stype,domain)], name, name, interface,protocol,stype,domain)
109         self.services_browsed[(interface, protocol, name, stype, domain)] = treeiter
110         # expand the tree of this path
111         self.tree_view.expand_to_path(self.treemodel.get_path(treeiter))
112
113     def remove_service(self, interface, protocol, name, stype, domain, flags):
114         print "Service '%s' of type '%s' in domain '%s' on %i.%i disappeared." % (name, stype, domain, interface, protocol)
115         self.info_label.set_markup("")
116         treeiter=self.services_browsed[(interface, protocol, name, stype, domain)]
117         parent = self.treemodel.iter_parent(treeiter)
118         self.treemodel.remove(treeiter)
119         del self.services_browsed[(interface, protocol, name, stype, domain)]
120         if self.treemodel.iter_has_child(parent) == False:
121             treeiter=self.zc_types[(interface,protocol,stype,domain)]
122             parent = self.treemodel.iter_parent(treeiter)
123             self.treemodel.remove(treeiter)
124             del self.zc_types[(interface,protocol,stype,domain)]
125             if self.treemodel.iter_has_child(parent) == False:
126                 treeiter=self.zc_domains[(interface,protocol,domain)]
127                 parent = self.treemodel.iter_parent(treeiter)
128                 self.treemodel.remove(treeiter)
129                 del self.zc_domains[(interface,protocol,domain)]
130                 if self.treemodel.iter_has_child(parent) == False:
131                     treeiter=self.zc_ifaces[(interface,protocol)]
132                     parent = self.treemodel.iter_parent(treeiter)
133                     self.treemodel.remove(treeiter)
134                     del self.zc_ifaces[(interface,protocol)]
135  
136     def new_service_type(self, interface, protocol, stype, domain, flags):
137         global service_browsers
138
139         # Are we already browsing this domain for this type? 
140         if service_browsers.has_key((interface, protocol, stype, domain)):
141             return
142         
143         print "Browsing for services of type '%s' in domain '%s' on %i.%i ..." % (stype, domain, interface, protocol)
144         
145         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)
146         b.connect_to_signal('ItemNew', self.new_service)
147         b.connect_to_signal('ItemRemove', self.remove_service)
148
149         service_browsers[(interface, protocol, stype, domain)] = b
150
151     def browse_domain(self, interface, protocol, domain):
152         global service_type_browsers
153
154         # Are we already browsing this domain?
155         if service_type_browsers.has_key((interface, protocol, domain)):
156             return
157
158         if self.stype is None:
159             print "Browsing domain '%s' on %i.%i ..." % (domain, interface, protocol)
160         
161             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)
162             b.connect_to_signal('ItemNew', self.new_service_type)
163
164             service_type_browsers[(interface, protocol, domain)] = b
165         else:
166             new_service_type(interface, protocol, stype, domain)
167
168     def new_domain(self,interface, protocol, domain, flags):
169         if self.zc_ifaces.has_key((interface,protocol)) == False:
170             ifn = self.get_interface_name(interface, protocol)
171             self.zc_ifaces[(interface,protocol)] = self.insert_row(self.treemodel, None, ifn,None,interface,protocol,None,domain)
172         if self.zc_domains.has_key((interface,protocol,domain)) == False:
173             self.zc_domains[(interface,protocol,domain)] = self.insert_row(self.treemodel, self.zc_ifaces[(interface,protocol)], domain,None,interface,protocol,None,domain)
174         if domain != "local":
175             self.browse_domain(interface, protocol, domain)
176
177     def pair_to_dict(self, l):
178         res = dict()
179         for el in l:
180             if "=" not in el:
181                 res[el]=''
182             else:
183                 tmp = el.split('=',1)
184                 if len(tmp[0]) > 0:
185                     res[tmp[0]] = tmp[1]
186         return res
187                                                                             
188
189     def update_label(self,interface, protocol, name, stype, domain, host, aprotocol, address, port, txt):
190         if len(txt) != 0:
191             txts = ""
192             txtd = self.pair_to_dict(txt)
193             for k,v in txtd.items():
194                 txts+="<b>TXT <i>%s</i></b> = %s\n" % (k,v)
195         else:
196             txts = "<b>TXT Data:</b> <i>empty</i>"
197
198         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())
199         self.info_label.set_markup(infos)
200
201     def insert_row(self, model,parent,
202                    content, name, interface,protocol,stype,domain):
203         myiter=model.insert_after(parent,None)
204         model.set(myiter,0,content,1,name,2,interface,3,protocol,4,stype,5,domain)
205         return myiter
206
207     def new(self):
208         print "A new main_window has been created"
209         self.treemodel=gtk.TreeStore(gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING)
210         self.tree_view.set_model(self.treemodel)
211
212         #creating the columns headers
213         self.tree_view.set_headers_visible(False)
214         renderer=gtk.CellRendererText()
215         column=gtk.TreeViewColumn("",renderer, text=0)
216         column.set_resizable(True)
217         column.set_sizing("GTK_TREE_VIEW_COLUMN_GROW_ONLY");
218         column.set_expand(True);
219         self.tree_view.append_column(column)
220
221         self.domain = None
222         self.stype = None
223         self.zc_ifaces = {}
224         self.zc_domains = {}
225         self.zc_types = {}
226         self.services_browsed = {}
227         
228         self.bus = dbus.SystemBus()
229         self.server = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER), avahi.DBUS_INTERFACE_SERVER)
230
231         if self.domain is None:
232             # Explicitly browse .local
233             self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, "local")
234                         
235             # Browse for other browsable domains
236             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)
237             db.connect_to_signal('ItemNew', self.new_domain)
238         else:
239             # Just browse the domain the user wants us to browse
240             self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, domain)
241
242         
243 def main():
244     main_window = Main_window()
245
246     main_window.run()
247     
248 if __name__ == "__main__":
249     main()
250
251