Upgrade licence to GPLv3+.

[tripe] / svc / conntrack.in

diff --git a/svc/conntrack.in b/svc/conntrack.in
index 8564a61..95a4686 100644 (file)
--- a/svc/conntrack.in
+++ b/svc/conntrack.in
@@ -10,19 +10,18 @@
 ###
 ### This file is part of Trivial IP Encryption (TrIPE).
 ###
-### TrIPE is free software; you can redistribute it and/or modify
-### it under the terms of the GNU General Public License as published by
-### the Free Software Foundation; either version 2 of the License, or
-### (at your option) any later version.
+### TrIPE is free software: you can redistribute it and/or modify it under
+### the terms of the GNU General Public License as published by the Free
+### Software Foundation; either version 3 of the License, or (at your
+### option) any later version.
 ###
-### TrIPE is distributed in the hope that it will be useful,
-### but WITHOUT ANY WARRANTY; without even the implied warranty of
-### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-### GNU General Public License for more details.
+### TrIPE is distributed in the hope that it will be useful, but WITHOUT
+### ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+### FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+### for more details.
 ###
 ### You should have received a copy of the GNU General Public License
-### along with TrIPE; if not, write to the Free Software Foundation,
-### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+### along with TrIPE.  If not, see <https://www.gnu.org/licenses/>.
 
 VERSION = '@VERSION@'
 
@@ -398,6 +397,38 @@ class NetworkManagerMonitor (object):
     if props.get('Default', False):
       netupdown(True, ['nm', 'default-connection-change'])
 
+##--------------------------------------------------------------------------
+### Connman monitor.
+
+CM_NAME = 'net.connman'
+CM_PATH = '/'
+CM_IFACE = 'net.connman.Manager'
+
+class ConnManMonitor (object):
+  """
+  Watch ConnMan signls for changes in network state.
+  """
+
+  ## Strategy.  Everything seems to be usefully encoded in the `State'
+  ## property.  If it's `offline', `idle' or `ready' then we don't expect a
+  ## network connection.  During handover from one network to another, the
+  ## property passes through `ready' to `online'.
+
+  def attach(me, bus):
+    try:
+      cm = bus.get_object(CM_NAME, CM_PATH)
+      props = cm.GetProperties(dbus_interface = CM_IFACE)
+      state = props['State']
+      netupdown(state == 'online', ['connman', 'initially-%s' % state])
+    except D.DBusException:
+      pass
+    bus.add_signal_receiver(me._cm_state, 'PropertyChanged',
+                            CM_IFACE, CM_NAME, CM_PATH)
+
+  def _cm_state(me, prop, value):
+    if prop != 'State': return
+    netupdown(value == 'online', ['connman', value])
+
 ###--------------------------------------------------------------------------
 ### Maemo monitor.
 
@@ -549,6 +580,7 @@ def init():
   T.Coroutine(kickpeers, name = 'kickpeers').switch()
   DBM = DBusMonitor()
   DBM.addmon(NetworkManagerMonitor())
+  DBM.addmon(ConnManMonitor())
   DBM.addmon(MaemoICdMonitor())
   G.timeout_add_seconds(30, lambda: (netupdown(True, ['interval-timer'])
                                      or True))