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