[Bug 41148] New: NM: better handling of connectivity changes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=41148

           Summary: NM: better handling of connectivity changes
           Product: Telepathy
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: medium
         Component: mission-control
        AssignedTo: telepathy-bugs at lists.freedesktop.org
        ReportedBy: guillaume.desmottes at collabora.co.uk
         QAContact: telepathy-bugs at lists.freedesktop.org


Original bug report: https://bugzilla.gnome.org/show_bug.cgi?id=659872

(I strongly suggest you to start reading Rob's bug reports on this issue).

- Connect your laptop to your docking station and make sure you have a wired
(through the dock) and a wifi connection connected.
- Remove it from the docking station; the wired connectivity is lost and the
wifi one becomes the default
- Empathy doesn't notice the connectivity change; each CM has to times out
before reconnecting

Expected results: all the accounts are reconnected.


The main issue here is that we are relying exclusively on NM_STATE
changes to detect connectivity changes. This used to work fine when NM was
keeping only one connection at a time as a drop of this connection resulted in
a state change. But that's not the case since NM can now be connected to
different connections at the same time (typically a wired and a wifi
connection).

We should track and watch the default active connection and react propertly
when it's changed.

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