git.meshlink.io Git - catta/blob - avahi-python/avahi-discover/avahi-discover.in

   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     _ = 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
  31
  32 ## !!NOTE!! ##
  33 # It's really important to do this, else you won't see any events
  34 ##
  35 try:
  36     from dbus 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 ui_dir = "@interfacesdir@"
  53
  54 service_type_db = avahi.ServiceTypeDatabase.ServiceTypeDatabase()
  55
  56 class Main_window:
  57     def __init__(self, path="avahi-discover.ui", root="main_window", domain=None, **kwargs):
  58         path = os.path.join(ui_dir, path)
  59         gtk.window_set_default_icon_name("network-wired")
  60         self.ui = gtk.Builder()
  61         self.ui.add_from_file(path)
  62         self.ui.connect_signals(self)
  63         self.tree_view = self.ui.get_object("tree_view")
  64         self.info_label = self.ui.get_object("info_label")
  65         self.new()
  66
  67     def on_tree_view_cursor_changed(self, widget, *args):
  68         (model, iter) = widget.get_selection().get_selected()
  69         stype = None
  70         if iter is not None:
  71             (name,interface,protocol,stype,domain) = self.treemodel.get(iter,1,2,3,4,5)
  72         if stype == None:
  73             self.info_label.set_markup("<i>No service currently selected.</i>")
  74             return
  75         #Asynchronous resolving
  76         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)
  77
  78     def protoname(self,protocol):
  79         if protocol == avahi.PROTO_INET:
  80             return "IPv4"
  81         if protocol == avahi.PROTO_INET6:
  82             return "IPv6"
  83         return "n/a"
  84
  85     def siocgifname(self, interface):
  86         if interface <= 0:
  87             return "n/a"
  88         else:
  89             return self.server.GetNetworkInterfaceNameByIndex(interface)
  90
  91     def get_interface_name(self, interface, protocol):
  92         if interface == avahi.IF_UNSPEC and protocol == avahi.PROTO_UNSPEC:
  93             return "Wide Area"
  94         else:
  95             return str(self.siocgifname(interface)) + " " + str(self.protoname(protocol))
  96
  97     def service_resolved(self, interface, protocol, name, stype, domain, host, aprotocol, address, port, txt, flags):
  98         print "Service data for service '%s' of type '%s' in domain '%s' on %i.%i:" % (name, stype, domain, interface, protocol)
  99
 100         print "\tHost %s (%s), port %i, TXT data: %s" % (host, address, port, str(avahi.txt_array_to_string_array(txt)))
 101
 102         self.update_label(interface, protocol, name, stype, domain, host, aprotocol, address, port, avahi.txt_array_to_string_array(txt))
 103
 104     def print_error(self, err):
 105         error_label = "<b>Error:</b> %s" % (err)
 106         self.info_label.set_markup(error_label)
 107         print "Error:", str(err)
 108
 109     def lookup_type(self, stype):
 110         global service_type_db
 111
 112         try:
 113             return service_type_db[stype]
 114         except KeyError:
 115             return stype
 116
 117     def new_service(self, interface, protocol, name, stype, domain, flags):
 118         print "Found service '%s' of type '%s' in domain '%s' on %i.%i." % (name, stype, domain, interface, protocol)
 119         if self.zc_ifaces.has_key((interface,protocol)) == False:
 120
 121             ifn = self.get_interface_name(interface, protocol)
 122
 123             self.zc_ifaces[(interface,protocol)] = self.insert_row(self.treemodel, None, ifn, None,interface,protocol,None,domain)
 124         if self.zc_domains.has_key((interface,protocol,domain)) == False:
 125             self.zc_domains[(interface,protocol,domain)] = self.insert_row(self.treemodel, self.zc_ifaces[(interface,protocol)], domain,None,interface,protocol,None,domain)
 126         if self.zc_types.has_key((interface,protocol,stype,domain)) == False:
 127             thisDomain = self.zc_domains[(interface,protocol,domain)]
 128             self.zc_types[(interface,protocol,stype,domain)] = self.insert_row(self.treemodel, thisDomain, self.lookup_type(stype), name, interface,None,None,None)
 129         treeiter = self.insert_row(self.treemodel,self.zc_types[(interface,protocol,stype,domain)], name, name, interface,protocol,stype,domain)
 130         self.services_browsed[(interface, protocol, name, stype, domain)] = treeiter
 131         # expand the tree of this path
 132         self.tree_view.expand_to_path(self.treemodel.get_path(treeiter))
 133
 134     def remove_service(self, interface, protocol, name, stype, domain, flags):
 135         print "Service '%s' of type '%s' in domain '%s' on %i.%i disappeared." % (name, stype, domain, interface, protocol)
 136         self.info_label.set_markup("")
 137         treeiter=self.services_browsed[(interface, protocol, name, stype, domain)]
 138         parent = self.treemodel.iter_parent(treeiter)
 139         self.treemodel.remove(treeiter)
 140         del self.services_browsed[(interface, protocol, name, stype, domain)]
 141         if self.treemodel.iter_has_child(parent) == False:
 142             treeiter=self.zc_types[(interface,protocol,stype,domain)]
 143             parent = self.treemodel.iter_parent(treeiter)
 144             self.treemodel.remove(treeiter)
 145             del self.zc_types[(interface,protocol,stype,domain)]
 146             if self.treemodel.iter_has_child(parent) == False:
 147                 treeiter=self.zc_domains[(interface,protocol,domain)]
 148                 parent = self.treemodel.iter_parent(treeiter)
 149                 self.treemodel.remove(treeiter)
 150                 del self.zc_domains[(interface,protocol,domain)]
 151                 if self.treemodel.iter_has_child(parent) == False:
 152                     treeiter=self.zc_ifaces[(interface,protocol)]
 153                     parent = self.treemodel.iter_parent(treeiter)
 154                     self.treemodel.remove(treeiter)
 155                     del self.zc_ifaces[(interface,protocol)]
 156
 157     def new_service_type(self, interface, protocol, stype, domain, flags):
 158         global service_browsers
 159
 160         # Are we already browsing this domain for this type?
 161         if service_browsers.has_key((interface, protocol, stype, domain)):
 162             return
 163
 164         print "Browsing for services of type '%s' in domain '%s' on %i.%i ..." % (stype, domain, interface, protocol)
 165
 166         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)
 167         b.connect_to_signal('ItemNew', self.new_service)
 168         b.connect_to_signal('ItemRemove', self.remove_service)
 169
 170         service_browsers[(interface, protocol, stype, domain)] = b
 171
 172     def browse_domain(self, interface, protocol, domain):
 173         global service_type_browsers
 174
 175         # Are we already browsing this domain?
 176         if service_type_browsers.has_key((interface, protocol, domain)):
 177             return
 178
 179         if self.stype is None:
 180             print "Browsing domain '%s' on %i.%i ..." % (domain, interface, protocol)
 181
 182             try:
 183                 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)
 184             except DBusException, e:
 185                 print e
 186                 error_msg("You should check that the avahi daemon is running.\n\nError : %s" % e)
 187                 sys.exit(0)
 188
 189             b.connect_to_signal('ItemNew', self.new_service_type)
 190
 191             service_type_browsers[(interface, protocol, domain)] = b
 192         else:
 193             new_service_type(interface, protocol, stype, domain)
 194
 195     def new_domain(self,interface, protocol, domain, flags):
 196         if self.zc_ifaces.has_key((interface,protocol)) == False:
 197             ifn = self.get_interface_name(interface, protocol)
 198             self.zc_ifaces[(interface,protocol)] = self.insert_row(self.treemodel, None, ifn,None,interface,protocol,None,domain)
 199         if self.zc_domains.has_key((interface,protocol,domain)) == False:
 200             self.zc_domains[(interface,protocol,domain)] = self.insert_row(self.treemodel, self.zc_ifaces[(interface,protocol)], domain,None,interface,protocol,None,domain)
 201         if domain != "local":
 202             self.browse_domain(interface, protocol, domain)
 203
 204     def pair_to_dict(self, l):
 205         res = dict()
 206         for el in l:
 207             if "=" not in el:
 208                 res[el]=''
 209             else:
 210                 tmp = el.split('=',1)
 211                 if len(tmp[0]) > 0:
 212                     res[tmp[0]] = tmp[1]
 213         return res
 214
 215
 216     def update_label(self,interface, protocol, name, stype, domain, host, aprotocol, address, port, txt):
 217         if len(txt) != 0:
 218             txts = ""
 219             txtd = self.pair_to_dict(txt)
 220             for k,v in txtd.items():
 221                 txts+="<b>TXT <i>%s</i></b> = %s\n" % (k,v)
 222         else:
 223             txts = "<b>TXT Data:</b> <i>empty</i>"
 224
 225         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())
 226         self.info_label.set_markup(infos)
 227
 228     def insert_row(self, model,parent,
 229                    content, name, interface,protocol,stype,domain):
 230         myiter=model.insert_after(parent,None)
 231         model.set(myiter,0,content,1,name,2,interface,3,protocol,4,stype,5,domain)
 232         return myiter
 233
 234     def new(self):
 235         print "A new main_window has been created"
 236         self.treemodel=gtk.TreeStore(gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING)
 237         self.tree_view.set_model(self.treemodel)
 238
 239         #creating the columns headers
 240         self.tree_view.set_headers_visible(False)
 241         renderer=gtk.CellRendererText()
 242         column=gtk.TreeViewColumn("",renderer, text=0)
 243         column.set_resizable(True)
 244         column.set_sizing("GTK_TREE_VIEW_COLUMN_GROW_ONLY");
 245         column.set_expand(True);
 246         self.tree_view.append_column(column)
 247
 248         self.domain = None
 249         self.stype = None
 250         self.zc_ifaces = {}
 251         self.zc_domains = {}
 252         self.zc_types = {}
 253         self.services_browsed = {}
 254
 255         self.bus = dbus.SystemBus()
 256         self.server = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER), avahi.DBUS_INTERFACE_SERVER)
 257
 258         if self.domain is None:
 259             # Explicitly browse .local
 260             self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, "local")
 261
 262             # Browse for other browsable domains
 263             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)
 264             db.connect_to_signal('ItemNew', self.new_domain)
 265         else:
 266             # Just browse the domain the user wants us to browse
 267             self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, domain)
 268
 269     def gtk_main_quit(self, *args):
 270         gtk.main_quit()
 271
 272 def main():
 273     main_window = Main_window()
 274     gtk.main()
 275
 276 if __name__ == "__main__":
 277     main()
 278
 279