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 try:
  32     import dbus.glib
  33 except ImportError, e:
  34     pass
  35
  36 service_type_browsers = {}
  37 service_browsers = {}
  38
  39 glade_dir = "@interfacesdir@"
  40
  41 service_type_db = avahi.ServiceTypeDatabase.ServiceTypeDatabase()
  42
  43 class Main_window(SimpleGladeApp):
  44     def __init__(self, path="avahi-discover.glade", root="main_window", domain=None, **kwargs):
  45         path = os.path.join(glade_dir, path)
  46         SimpleGladeApp.__init__(self, path, root, domain, **kwargs)
  47
  48     def on_tree_view_cursor_changed(self, widget, *args):
  49         (model, iter) = widget.get_selection().get_selected()
  50         (name,interface,protocol,stype,domain) = self.treemodel.get(iter,1,2,3,4,5)
  51         if stype == None:
  52             self.info_label.set_markup("<i>No service currently selected.</i>")
  53             return
  54         #Asynchronous resolving
  55         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)
  56
  57     def protoname(self,protocol):
  58         if protocol == avahi.PROTO_INET:
  59             return "IPv4"
  60         if protocol == avahi.PROTO_INET6:
  61             return "IPv6"
  62         return "n/a"
  63
  64     def siocgifname(self, interface):
  65         if interface <= 0:
  66             return "n/a"
  67         else:
  68             return self.server.GetNetworkInterfaceNameByIndex(interface)
  69
  70     def get_interface_name(self, interface, protocol):
  71         if interface == avahi.IF_UNSPEC and protocol == avahi.PROTO_UNSPEC:
  72             return "Wide Area"
  73         else:
  74             return str(self.siocgifname(interface)) + " " + str(self.protoname(protocol))
  75
  76     def service_resolved(self, interface, protocol, name, stype, domain, host, aprotocol, address, port, txt, flags):
  77         print "Service data for service '%s' of type '%s' in domain '%s' on %i.%i:" % (name, stype, domain, interface, protocol)
  78
  79         print "\tHost %s (%s), port %i, TXT data: %s" % (host, address, port, str(avahi.txt_array_to_string_array(txt)))
  80
  81         self.update_label(interface, protocol, name, stype, domain, host, aprotocol, address, port, avahi.txt_array_to_string_array(txt))
  82
  83     def print_error(self, err):
  84         error_label = "<b>Error:</b> %s" % (err)
  85         self.info_label.set_markup(error_label)
  86         print "Error:", str(err)
  87
  88     def lookup_type(self, stype):
  89         global service_type_db
  90
  91         try:
  92             return service_type_db[stype]
  93         except KeyError:
  94             return stype
  95
  96     def new_service(self, interface, protocol, name, stype, domain, flags):
  97         print "Found service '%s' of type '%s' in domain '%s' on %i.%i." % (name, stype, domain, interface, protocol)
  98         if self.zc_ifaces.has_key((interface,protocol)) == False:
  99
 100             ifn = self.get_interface_name(interface, protocol)
 101
 102             self.zc_ifaces[(interface,protocol)] = self.insert_row(self.treemodel, None, ifn, None,interface,protocol,None,domain)
 103         if self.zc_domains.has_key((interface,protocol,domain)) == False:
 104             self.zc_domains[(interface,protocol,domain)] = self.insert_row(self.treemodel, self.zc_ifaces[(interface,protocol)], domain,None,interface,protocol,None,domain)
 105         if self.zc_types.has_key((interface,protocol,stype,domain)) == False:
 106             thisDomain = self.zc_domains[(interface,protocol,domain)]
 107             self.zc_types[(interface,protocol,stype,domain)] = self.insert_row(self.treemodel, thisDomain, self.lookup_type(stype), name, interface,None,None,None)
 108         treeiter = self.insert_row(self.treemodel,self.zc_types[(interface,protocol,stype,domain)], name, name, interface,protocol,stype,domain)
 109         self.services_browsed[(interface, protocol, name, stype, domain)] = treeiter
 110         # expand the tree of this path
 111         self.tree_view.expand_to_path(self.treemodel.get_path(treeiter))
 112
 113     def remove_service(self, interface, protocol, name, stype, domain, flags):
 114         print "Service '%s' of type '%s' in domain '%s' on %i.%i disappeared." % (name, stype, domain, interface, protocol)
 115         self.info_label.set_markup("")
 116         treeiter=self.services_browsed[(interface, protocol, name, stype, domain)]
 117         parent = self.treemodel.iter_parent(treeiter)
 118         self.treemodel.remove(treeiter)
 119         del self.services_browsed[(interface, protocol, name, stype, domain)]
 120         if self.treemodel.iter_has_child(parent) == False:
 121             treeiter=self.zc_types[(interface,protocol,stype,domain)]
 122             parent = self.treemodel.iter_parent(treeiter)
 123             self.treemodel.remove(treeiter)
 124             del self.zc_types[(interface,protocol,stype,domain)]
 125             if self.treemodel.iter_has_child(parent) == False:
 126                 treeiter=self.zc_domains[(interface,protocol,domain)]
 127                 parent = self.treemodel.iter_parent(treeiter)
 128                 self.treemodel.remove(treeiter)
 129                 del self.zc_domains[(interface,protocol,domain)]
 130                 if self.treemodel.iter_has_child(parent) == False:
 131                     treeiter=self.zc_ifaces[(interface,protocol)]
 132                     parent = self.treemodel.iter_parent(treeiter)
 133                     self.treemodel.remove(treeiter)
 134                     del self.zc_ifaces[(interface,protocol)]
 135
 136     def new_service_type(self, interface, protocol, stype, domain, flags):
 137         global service_browsers
 138
 139         # Are we already browsing this domain for this type?
 140         if service_browsers.has_key((interface, protocol, stype, domain)):
 141             return
 142
 143         print "Browsing for services of type '%s' in domain '%s' on %i.%i ..." % (stype, domain, interface, protocol)
 144
 145         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)
 146         b.connect_to_signal('ItemNew', self.new_service)
 147         b.connect_to_signal('ItemRemove', self.remove_service)
 148
 149         service_browsers[(interface, protocol, stype, domain)] = b
 150
 151     def browse_domain(self, interface, protocol, domain):
 152         global service_type_browsers
 153
 154         # Are we already browsing this domain?
 155         if service_type_browsers.has_key((interface, protocol, domain)):
 156             return
 157
 158         if self.stype is None:
 159             print "Browsing domain '%s' on %i.%i ..." % (domain, interface, protocol)
 160
 161             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)
 162             b.connect_to_signal('ItemNew', self.new_service_type)
 163
 164             service_type_browsers[(interface, protocol, domain)] = b
 165         else:
 166             new_service_type(interface, protocol, stype, domain)
 167
 168     def new_domain(self,interface, protocol, domain, flags):
 169         if self.zc_ifaces.has_key((interface,protocol)) == False:
 170             ifn = self.get_interface_name(interface, protocol)
 171             self.zc_ifaces[(interface,protocol)] = self.insert_row(self.treemodel, None, ifn,None,interface,protocol,None,domain)
 172         if self.zc_domains.has_key((interface,protocol,domain)) == False:
 173             self.zc_domains[(interface,protocol,domain)] = self.insert_row(self.treemodel, self.zc_ifaces[(interface,protocol)], domain,None,interface,protocol,None,domain)
 174         if domain != "local":
 175             self.browse_domain(interface, protocol, domain)
 176
 177     def pair_to_dict(self, l):
 178         res = dict()
 179         for el in l:
 180             if "=" not in el:
 181                 res[el]=''
 182             else:
 183                 tmp = el.split('=',1)
 184                 if len(tmp[0]) > 0:
 185                     res[tmp[0]] = tmp[1]
 186         return res
 187
 188
 189     def update_label(self,interface, protocol, name, stype, domain, host, aprotocol, address, port, txt):
 190         if len(txt) != 0:
 191             txts = ""
 192             txtd = self.pair_to_dict(txt)
 193             for k,v in txtd.items():
 194                 txts+="<b>TXT <i>%s</i></b> = %s\n" % (k,v)
 195         else:
 196             txts = "<b>TXT Data:</b> <i>empty</i>"
 197
 198         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())
 199         self.info_label.set_markup(infos)
 200
 201     def insert_row(self, model,parent,
 202                    content, name, interface,protocol,stype,domain):
 203         myiter=model.insert_after(parent,None)
 204         model.set(myiter,0,content,1,name,2,interface,3,protocol,4,stype,5,domain)
 205         return myiter
 206
 207     def new(self):
 208         print "A new main_window has been created"
 209         self.treemodel=gtk.TreeStore(gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING)
 210         self.tree_view.set_model(self.treemodel)
 211
 212         #creating the columns headers
 213         self.tree_view.set_headers_visible(False)
 214         renderer=gtk.CellRendererText()
 215         column=gtk.TreeViewColumn("",renderer, text=0)
 216         column.set_resizable(True)
 217         column.set_sizing("GTK_TREE_VIEW_COLUMN_GROW_ONLY");
 218         column.set_expand(True);
 219         self.tree_view.append_column(column)
 220
 221         self.domain = None
 222         self.stype = None
 223         self.zc_ifaces = {}
 224         self.zc_domains = {}
 225         self.zc_types = {}
 226         self.services_browsed = {}
 227
 228         self.bus = dbus.SystemBus()
 229         self.server = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER), avahi.DBUS_INTERFACE_SERVER)
 230
 231         if self.domain is None:
 232             # Explicitly browse .local
 233             self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, "local")
 234
 235             # Browse for other browsable domains
 236             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)
 237             db.connect_to_signal('ItemNew', self.new_domain)
 238         else:
 239             # Just browse the domain the user wants us to browse
 240             self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, domain)
 241
 242
 243 def main():
 244     main_window = Main_window()
 245
 246     main_window.run()
 247
 248 if __name__ == "__main__":
 249     main()
 250
 251