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
  38     import dbus.glib
  39 except ImportError, e:
  40     pass
  41
  42 service_type_browsers = {}
  43 service_browsers = {}
  44
  45 def error_msg(msg):
  46     d = gtk.MessageDialog(parent=None, flags=gtk.DIALOG_MODAL,
  47                           type=gtk.MESSAGE_ERROR, buttons=gtk.BUTTONS_OK)
  48     d.set_markup(msg)
  49     d.show_all()
  50     d.run()
  51     d.destroy()
  52
  53 glade_dir = "@interfacesdir@"
  54
  55 service_type_db = avahi.ServiceTypeDatabase.ServiceTypeDatabase()
  56
  57 class Main_window(SimpleGladeApp):
  58     def __init__(self, path="avahi-discover.glade", root="main_window", domain=None, **kwargs):
  59         path = os.path.join(glade_dir, path)
  60         gtk.window_set_default_icon_name("gnome-networktool")
  61         SimpleGladeApp.__init__(self, path, root, domain, **kwargs)
  62
  63     def on_tree_view_cursor_changed(self, widget, *args):
  64         (model, iter) = widget.get_selection().get_selected()
  65         (name,interface,protocol,stype,domain) = self.treemodel.get(iter,1,2,3,4,5)
  66         if stype == None:
  67             self.info_label.set_markup("<i>No service currently selected.</i>")
  68             return
  69         #Asynchronous resolving
  70         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)
  71
  72     def protoname(self,protocol):
  73         if protocol == avahi.PROTO_INET:
  74             return "IPv4"
  75         if protocol == avahi.PROTO_INET6:
  76             return "IPv6"
  77         return "n/a"
  78
  79     def siocgifname(self, interface):
  80         if interface <= 0:
  81             return "n/a"
  82         else:
  83             return self.server.GetNetworkInterfaceNameByIndex(interface)
  84
  85     def get_interface_name(self, interface, protocol):
  86         if interface == avahi.IF_UNSPEC and protocol == avahi.PROTO_UNSPEC:
  87             return "Wide Area"
  88         else:
  89             return str(self.siocgifname(interface)) + " " + str(self.protoname(protocol))
  90
  91     def service_resolved(self, interface, protocol, name, stype, domain, host, aprotocol, address, port, txt, flags):
  92         print "Service data for service '%s' of type '%s' in domain '%s' on %i.%i:" % (name, stype, domain, interface, protocol)
  93
  94         print "\tHost %s (%s), port %i, TXT data: %s" % (host, address, port, str(avahi.txt_array_to_string_array(txt)))
  95
  96         self.update_label(interface, protocol, name, stype, domain, host, aprotocol, address, port, avahi.txt_array_to_string_array(txt))
  97
  98     def print_error(self, err):
  99         error_label = "<b>Error:</b> %s" % (err)
 100         self.info_label.set_markup(error_label)
 101         print "Error:", str(err)
 102
 103     def lookup_type(self, stype):
 104         global service_type_db
 105
 106         try:
 107             return service_type_db[stype]
 108         except KeyError:
 109             return stype
 110
 111     def new_service(self, interface, protocol, name, stype, domain, flags):
 112         print "Found service '%s' of type '%s' in domain '%s' on %i.%i." % (name, stype, domain, interface, protocol)
 113         if self.zc_ifaces.has_key((interface,protocol)) == False:
 114
 115             ifn = self.get_interface_name(interface, protocol)
 116
 117             self.zc_ifaces[(interface,protocol)] = self.insert_row(self.treemodel, None, ifn, None,interface,protocol,None,domain)
 118         if self.zc_domains.has_key((interface,protocol,domain)) == False:
 119             self.zc_domains[(interface,protocol,domain)] = self.insert_row(self.treemodel, self.zc_ifaces[(interface,protocol)], domain,None,interface,protocol,None,domain)
 120         if self.zc_types.has_key((interface,protocol,stype,domain)) == False:
 121             thisDomain = self.zc_domains[(interface,protocol,domain)]
 122             self.zc_types[(interface,protocol,stype,domain)] = self.insert_row(self.treemodel, thisDomain, self.lookup_type(stype), name, interface,None,None,None)
 123         treeiter = self.insert_row(self.treemodel,self.zc_types[(interface,protocol,stype,domain)], name, name, interface,protocol,stype,domain)
 124         self.services_browsed[(interface, protocol, name, stype, domain)] = treeiter
 125         # expand the tree of this path
 126         self.tree_view.expand_to_path(self.treemodel.get_path(treeiter))
 127
 128     def remove_service(self, interface, protocol, name, stype, domain, flags):
 129         print "Service '%s' of type '%s' in domain '%s' on %i.%i disappeared." % (name, stype, domain, interface, protocol)
 130         self.info_label.set_markup("")
 131         treeiter=self.services_browsed[(interface, protocol, name, stype, domain)]
 132         parent = self.treemodel.iter_parent(treeiter)
 133         self.treemodel.remove(treeiter)
 134         del self.services_browsed[(interface, protocol, name, stype, domain)]
 135         if self.treemodel.iter_has_child(parent) == False:
 136             treeiter=self.zc_types[(interface,protocol,stype,domain)]
 137             parent = self.treemodel.iter_parent(treeiter)
 138             self.treemodel.remove(treeiter)
 139             del self.zc_types[(interface,protocol,stype,domain)]
 140             if self.treemodel.iter_has_child(parent) == False:
 141                 treeiter=self.zc_domains[(interface,protocol,domain)]
 142                 parent = self.treemodel.iter_parent(treeiter)
 143                 self.treemodel.remove(treeiter)
 144                 del self.zc_domains[(interface,protocol,domain)]
 145                 if self.treemodel.iter_has_child(parent) == False:
 146                     treeiter=self.zc_ifaces[(interface,protocol)]
 147                     parent = self.treemodel.iter_parent(treeiter)
 148                     self.treemodel.remove(treeiter)
 149                     del self.zc_ifaces[(interface,protocol)]
 150
 151     def new_service_type(self, interface, protocol, stype, domain, flags):
 152         global service_browsers
 153
 154         # Are we already browsing this domain for this type?
 155         if service_browsers.has_key((interface, protocol, stype, domain)):
 156             return
 157
 158         print "Browsing for services of type '%s' in domain '%s' on %i.%i ..." % (stype, domain, interface, protocol)
 159
 160         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)
 161         b.connect_to_signal('ItemNew', self.new_service)
 162         b.connect_to_signal('ItemRemove', self.remove_service)
 163
 164         service_browsers[(interface, protocol, stype, domain)] = b
 165
 166     def browse_domain(self, interface, protocol, domain):
 167         global service_type_browsers
 168
 169         # Are we already browsing this domain?
 170         if service_type_browsers.has_key((interface, protocol, domain)):
 171             return
 172
 173         if self.stype is None:
 174             print "Browsing domain '%s' on %i.%i ..." % (domain, interface, protocol)
 175
 176             try:
 177                 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)
 178             except DBusException, e:
 179                 print e
 180                 error_msg("You should check that the avahi daemon is running.\n\nError : %s" % e)
 181                 sys.exit(0)
 182
 183             b.connect_to_signal('ItemNew', self.new_service_type)
 184
 185             service_type_browsers[(interface, protocol, domain)] = b
 186         else:
 187             new_service_type(interface, protocol, stype, domain)
 188
 189     def new_domain(self,interface, protocol, domain, flags):
 190         if self.zc_ifaces.has_key((interface,protocol)) == False:
 191             ifn = self.get_interface_name(interface, protocol)
 192             self.zc_ifaces[(interface,protocol)] = self.insert_row(self.treemodel, None, ifn,None,interface,protocol,None,domain)
 193         if self.zc_domains.has_key((interface,protocol,domain)) == False:
 194             self.zc_domains[(interface,protocol,domain)] = self.insert_row(self.treemodel, self.zc_ifaces[(interface,protocol)], domain,None,interface,protocol,None,domain)
 195         if domain != "local":
 196             self.browse_domain(interface, protocol, domain)
 197
 198     def pair_to_dict(self, l):
 199         res = dict()
 200         for el in l:
 201             if "=" not in el:
 202                 res[el]=''
 203             else:
 204                 tmp = el.split('=',1)
 205                 if len(tmp[0]) > 0:
 206                     res[tmp[0]] = tmp[1]
 207         return res
 208
 209
 210     def update_label(self,interface, protocol, name, stype, domain, host, aprotocol, address, port, txt):
 211         if len(txt) != 0:
 212             txts = ""
 213             txtd = self.pair_to_dict(txt)
 214             for k,v in txtd.items():
 215                 txts+="<b>TXT <i>%s</i></b> = %s\n" % (k,v)
 216         else:
 217             txts = "<b>TXT Data:</b> <i>empty</i>"
 218
 219         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())
 220         self.info_label.set_markup(infos)
 221
 222     def insert_row(self, model,parent,
 223                    content, name, interface,protocol,stype,domain):
 224         myiter=model.insert_after(parent,None)
 225         model.set(myiter,0,content,1,name,2,interface,3,protocol,4,stype,5,domain)
 226         return myiter
 227
 228     def new(self):
 229         print "A new main_window has been created"
 230         self.treemodel=gtk.TreeStore(gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING)
 231         self.tree_view.set_model(self.treemodel)
 232
 233         #creating the columns headers
 234         self.tree_view.set_headers_visible(False)
 235         renderer=gtk.CellRendererText()
 236         column=gtk.TreeViewColumn("",renderer, text=0)
 237         column.set_resizable(True)
 238         column.set_sizing("GTK_TREE_VIEW_COLUMN_GROW_ONLY");
 239         column.set_expand(True);
 240         self.tree_view.append_column(column)
 241
 242         self.domain = None
 243         self.stype = None
 244         self.zc_ifaces = {}
 245         self.zc_domains = {}
 246         self.zc_types = {}
 247         self.services_browsed = {}
 248
 249         self.bus = dbus.SystemBus()
 250         self.server = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER), avahi.DBUS_INTERFACE_SERVER)
 251
 252         if self.domain is None:
 253             # Explicitly browse .local
 254             self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, "local")
 255
 256             # Browse for other browsable domains
 257             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)
 258             db.connect_to_signal('ItemNew', self.new_domain)
 259         else:
 260             # Just browse the domain the user wants us to browse
 261             self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, domain)
 262
 263
 264 def main():
 265     main_window = Main_window()
 266
 267     main_window.run()
 268
 269 if __name__ == "__main__":
 270     main()
 271
 272