git.meshlink.io Git - catta/blob - avahi-python/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, 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