Avery Pennarun 4ef207833b ipn: !WantRunning + !LoggedOut should not be idle on startup.
There was logic that would make a "down" tailscale backend (ie.
!WantRunning) refuse to do any network activity. Unfortunately, this
makes the macOS and iOS UI unable to render correctly if they start
while !WantRunning.

Now that we have Prefs.LoggedOut, use that instead. So `tailscale down`
will still allow the controlclient to connect its authroutine, but
pause the maproutine. `tailscale logout` will entirely stop all
activity.

This new behaviour is not obviously correct; it's a bit annoying that
`tailsale down` doesn't terminate all activity like you might expect.
Maybe we should redesign the UI code to render differently when
disconnected, and then revert this change.

Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>
2021-04-30 09:18:13 -04:00
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