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

   1 #!@PYTHON@
   2 # -*-python-*-
   3 # This file is part of avahi.
   4 #
   5 # avahi is free software; you can redistribute it and/or modify it
   6 # under the terms of the GNU Lesser General Public License as
   7 # published by the Free Software Foundation; either version 2 of the
   8 # License, or (at your option) any later version.
   9 #
  10 # avahi is distributed in the hope that it will be useful, but WITHOUT
  11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12 # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
  13 # License for more details.
  14 #
  15 # You should have received a copy of the GNU Lesser General Public
  16 # License along with avahi; if not, write to the Free Software
  17 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  18 # USA.
  19
  20 import os, sys
  21
  22 try:
  23     import avahi, gettext, gtk, gobject, dbus, avahi.ServiceTypeDatabase
  24     _ = gettext.gettext
  25 except ImportError, e:
  26     print "Sorry, to use this tool you need to install Avahi, pygtk and python-dbus.\n Error: %s" % e
  27     sys.exit(1)
  28
  29
  30 ## !!NOTE!! ##
  31 # It's really important to do this, else you won't see any events
  32 ##
  33 try:
  34     from dbus import DBusException
  35     import dbus.glib
  36 except ImportError, e:
  37     pass
  38
  39 service_type_browsers = {}
  40 service_browsers = {}
  41
  42 def error_msg(msg):
  43     d = gtk.MessageDialog(parent=None, flags=gtk.DIALOG_MODAL,
  44                           type=gtk.MESSAGE_ERROR, buttons=gtk.BUTTONS_OK)
  45     d.set_markup(msg)
  46     d.show_all()
  47     d.run()
  48     d.destroy()
  49
  50 ui_dir = "@interfacesdir@"
  51
  52 service_type_db = avahi.ServiceTypeDatabase.ServiceTypeDatabase()
  53
  54 class Main_window:
  55     def __init__(self, path="avahi-discover.ui", root="main_window", domain=None, **kwargs):
  56         path = os.path.join(ui_dir, path)
  57         gtk.window_set_default_icon_name("network-wired")
  58         self.ui = gtk.Builder()
  59         self.ui.add_from_file(path)
  60         self.ui.connect_signals(self)
  61         self.tree_view = self.ui.get_object("tree_view")
  62         self.info_label = self.ui.get_object("info_label")
  63         self.new()
  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     def gtk_main_quit(self, *args):
 268         gtk.main_quit()
 269
 270 def main():
 271     main_window = Main_window()
 272     gtk.main()
 273
 274 if __name__ == "__main__":
 275     main()
 276
 277