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 20import os, sys 21 22try: 23 import avahi, gettext, gtk, gobject, dbus, avahi.ServiceTypeDatabase 24 gettext.bindtextdomain(@GETTEXT_PACKAGE@, @LOCALEDIR@) 25 gettext.textdomain(@GETTEXT_PACKAGE@) 26 _ = gettext.gettext 27except 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) 30except Exception, e: 31 print "Failed to initialize: %s" % e 32 sys.exit(1) 33 34 35## !!NOTE!! ## 36# It's really important to do this, else you won't see any events 37## 38try: 39 from dbus import DBusException 40 import dbus.glib 41except ImportError, e: 42 pass 43 44service_type_browsers = {} 45service_browsers = {} 46 47def error_msg(msg): 48 d = gtk.MessageDialog(parent=None, flags=gtk.DIALOG_MODAL, 49 type=gtk.MESSAGE_ERROR, buttons=gtk.BUTTONS_OK) 50 d.set_markup(msg) 51 d.show_all() 52 d.run() 53 d.destroy() 54 55ui_dir = "@interfacesdir@" 56 57service_type_db = avahi.ServiceTypeDatabase.ServiceTypeDatabase() 58 59class Main_window: 60 def __init__(self, path="avahi-discover.ui", root="main_window", domain=None, **kwargs): 61 path = os.path.join(ui_dir, path) 62 gtk.window_set_default_icon_name("network-wired") 63 self.ui = gtk.Builder() 64 self.ui.add_from_file(path) 65 self.ui.connect_signals(self) 66 self.tree_view = self.ui.get_object("tree_view") 67 self.info_label = self.ui.get_object("info_label") 68 self.new() 69 70 def on_tree_view_cursor_changed(self, widget, *args): 71 (model, iter) = widget.get_selection().get_selected() 72 stype = None 73 if iter is not None: 74 (name,interface,protocol,stype,domain) = self.treemodel.get(iter,1,2,3,4,5) 75 if stype == None: 76 self.info_label.set_markup(_("<i>No service currently selected.</i>")) 77 return 78 #Asynchronous resolving 79 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) 80 81 def protoname(self,protocol): 82 if protocol == avahi.PROTO_INET: 83 return "IPv4" 84 if protocol == avahi.PROTO_INET6: 85 return "IPv6" 86 return "n/a" 87 88 def siocgifname(self, interface): 89 if interface <= 0: 90 return "n/a" 91 else: 92 return self.server.GetNetworkInterfaceNameByIndex(interface) 93 94 def get_interface_name(self, interface, protocol): 95 if interface == avahi.IF_UNSPEC and protocol == avahi.PROTO_UNSPEC: 96 return "Wide Area" 97 else: 98 return str(self.siocgifname(interface)) + " " + str(self.protoname(protocol)) 99 100 def service_resolved(self, interface, protocol, name, stype, domain, host, aprotocol, address, port, txt, flags): 101 print "Service data for service '%s' of type '%s' in domain '%s' on %i.%i:" % (name, stype, domain, interface, protocol) 102 103 print "\tHost %s (%s), port %i, TXT data: %s" % (host, address, port, str(avahi.txt_array_to_string_array(txt))) 104 105 self.update_label(interface, protocol, name, stype, domain, host, aprotocol, address, port, avahi.txt_array_to_string_array(txt)) 106 107 def print_error(self, err): 108 error_label = "<b>Error:</b> %s" % (err) 109 self.info_label.set_markup(error_label) 110 print "Error:", str(err) 111 112 def lookup_type(self, stype): 113 global service_type_db 114 115 try: 116 return service_type_db[stype] 117 except KeyError: 118 return stype 119 120 def new_service(self, interface, protocol, name, stype, domain, flags): 121 print "Found service '%s' of type '%s' in domain '%s' on %i.%i." % (name, stype, domain, interface, protocol) 122 if self.zc_ifaces.has_key((interface,protocol)) == False: 123 124 ifn = self.get_interface_name(interface, protocol) 125 126 self.zc_ifaces[(interface,protocol)] = self.insert_row(self.treemodel, None, ifn, None,interface,protocol,None,domain) 127 if self.zc_domains.has_key((interface,protocol,domain)) == False: 128 self.zc_domains[(interface,protocol,domain)] = self.insert_row(self.treemodel, self.zc_ifaces[(interface,protocol)], domain,None,interface,protocol,None,domain) 129 if self.zc_types.has_key((interface,protocol,stype,domain)) == False: 130 thisDomain = self.zc_domains[(interface,protocol,domain)] 131 self.zc_types[(interface,protocol,stype,domain)] = self.insert_row(self.treemodel, thisDomain, self.lookup_type(stype), name, interface,None,None,None) 132 treeiter = self.insert_row(self.treemodel,self.zc_types[(interface,protocol,stype,domain)], name, name, interface,protocol,stype,domain) 133 self.services_browsed[(interface, protocol, name, stype, domain)] = treeiter 134 # expand the tree of this path 135 self.tree_view.expand_to_path(self.treemodel.get_path(treeiter)) 136 137 def remove_service(self, interface, protocol, name, stype, domain, flags): 138 print "Service '%s' of type '%s' in domain '%s' on %i.%i disappeared." % (name, stype, domain, interface, protocol) 139 self.info_label.set_markup("") 140 treeiter=self.services_browsed[(interface, protocol, name, stype, domain)] 141 parent = self.treemodel.iter_parent(treeiter) 142 self.treemodel.remove(treeiter) 143 del self.services_browsed[(interface, protocol, name, stype, domain)] 144 if self.treemodel.iter_has_child(parent) == False: 145 treeiter=self.zc_types[(interface,protocol,stype,domain)] 146 parent = self.treemodel.iter_parent(treeiter) 147 self.treemodel.remove(treeiter) 148 del self.zc_types[(interface,protocol,stype,domain)] 149 if self.treemodel.iter_has_child(parent) == False: 150 treeiter=self.zc_domains[(interface,protocol,domain)] 151 parent = self.treemodel.iter_parent(treeiter) 152 self.treemodel.remove(treeiter) 153 del self.zc_domains[(interface,protocol,domain)] 154 if self.treemodel.iter_has_child(parent) == False: 155 treeiter=self.zc_ifaces[(interface,protocol)] 156 parent = self.treemodel.iter_parent(treeiter) 157 self.treemodel.remove(treeiter) 158 del self.zc_ifaces[(interface,protocol)] 159 160 def new_service_type(self, interface, protocol, stype, domain, flags): 161 global service_browsers 162 163 # Are we already browsing this domain for this type? 164 if service_browsers.has_key((interface, protocol, stype, domain)): 165 return 166 167 print "Browsing for services of type '%s' in domain '%s' on %i.%i ..." % (stype, domain, interface, protocol) 168 169 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) 170 b.connect_to_signal('ItemNew', self.new_service) 171 b.connect_to_signal('ItemRemove', self.remove_service) 172 173 service_browsers[(interface, protocol, stype, domain)] = b 174 175 def browse_domain(self, interface, protocol, domain): 176 global service_type_browsers 177 178 # Are we already browsing this domain? 179 if service_type_browsers.has_key((interface, protocol, domain)): 180 return 181 182 if self.stype is None: 183 print "Browsing domain '%s' on %i.%i ..." % (domain, interface, protocol) 184 185 try: 186 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) 187 except DBusException, e: 188 print e 189 error_msg("You should check that the avahi daemon is running.\n\nError : %s" % e) 190 sys.exit(0) 191 192 b.connect_to_signal('ItemNew', self.new_service_type) 193 194 service_type_browsers[(interface, protocol, domain)] = b 195 else: 196 new_service_type(interface, protocol, stype, domain) 197 198 def new_domain(self,interface, protocol, domain, flags): 199 if self.zc_ifaces.has_key((interface,protocol)) == False: 200 ifn = self.get_interface_name(interface, protocol) 201 self.zc_ifaces[(interface,protocol)] = self.insert_row(self.treemodel, None, ifn,None,interface,protocol,None,domain) 202 if self.zc_domains.has_key((interface,protocol,domain)) == False: 203 self.zc_domains[(interface,protocol,domain)] = self.insert_row(self.treemodel, self.zc_ifaces[(interface,protocol)], domain,None,interface,protocol,None,domain) 204 if domain != "local": 205 self.browse_domain(interface, protocol, domain) 206 207 def pair_to_dict(self, l): 208 res = dict() 209 for el in l: 210 if "=" not in el: 211 res[el]='' 212 else: 213 tmp = el.split('=',1) 214 if len(tmp[0]) > 0: 215 res[tmp[0]] = tmp[1] 216 return res 217 218 219 def update_label(self,interface, protocol, name, stype, domain, host, aprotocol, address, port, txt): 220 if len(txt) != 0: 221 txts = "" 222 txtd = self.pair_to_dict(txt) 223 for k,v in txtd.items(): 224 txts+="<b>" + _("TXT") + " <i>%s</i></b> = %s\n" % (k,v) 225 else: 226 txts = "<b>" + _("TXT Data:") + "</b> <i>" + _("empty") + "</i>" 227 228 infos = "<b>" + _("Service Type:") + "</b> %s\n" 229 infos += "<b>" + _("Service Name:") + "</b> %s\n" 230 infos += "<b>" + _("Domain Name:") + "</b> %s\n" 231 infos += "<b>" + _("Interface:") + "</b> %s %s\n" 232 infos += "<b>" + _("Address:") + "</b> %s/%s:%i\n%s" 233 infos = infos % (stype, name, domain, self.siocgifname(interface), self.protoname(protocol), host, address, port, txts.strip()) 234 self.info_label.set_markup(infos) 235 236 def insert_row(self, model,parent, 237 content, name, interface,protocol,stype,domain): 238 myiter=model.insert_after(parent,None) 239 model.set(myiter,0,content,1,name,2,str(interface),3,str(protocol),4,stype,5,domain) 240 return myiter 241 242 def new(self): 243 self.treemodel=gtk.TreeStore(gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING) 244 self.tree_view.set_model(self.treemodel) 245 246 #creating the columns headers 247 self.tree_view.set_headers_visible(False) 248 renderer=gtk.CellRendererText() 249 column=gtk.TreeViewColumn("",renderer, text=0) 250 column.set_resizable(True) 251 column.set_sizing("GTK_TREE_VIEW_COLUMN_GROW_ONLY"); 252 column.set_expand(True); 253 self.tree_view.append_column(column) 254 255 self.domain = None 256 self.stype = None 257 self.zc_ifaces = {} 258 self.zc_domains = {} 259 self.zc_types = {} 260 self.services_browsed = {} 261 262 try: 263 self.bus = dbus.SystemBus() 264 self.server = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER), avahi.DBUS_INTERFACE_SERVER) 265 except Exception, e: 266 print "Failed to connect to Avahi Server (Is it running?): %s" % e 267 sys.exit(1) 268 269 if self.domain is None: 270 # Explicitly browse .local 271 self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, "local") 272 273 # Browse for other browsable domains 274 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) 275 db.connect_to_signal('ItemNew', self.new_domain) 276 else: 277 # Just browse the domain the user wants us to browse 278 self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, domain) 279 280 def gtk_main_quit(self, *args): 281 gtk.main_quit() 282 283def main(): 284 main_window = Main_window() 285 gtk.main() 286 287if __name__ == "__main__": 288 main() 289