Re: nm-applet: "Auto Ethernet"

[poma <pomidorabelisima gmail com>]

On 15.11.2016 19:21, Thomas Haller wrote:
> On Tue, 2016-11-15 at 18:50 +0100, poma wrote:
> > On 15.11.2016 16:29, Thomas Haller wrote:
> > > On Tue, 2016-11-15 at 10:35 +0100, poma wrote:
> > > > The applet offers "Auto Ethernet" despite that this feature is
> > > > explicitly disabled in the configuration.
> > > > A bug, or a feature?
> > >
> > > Hi,
> > >
> > >
> > > These two things are not the same.
> >
> > Did you mean the correlation in terms of interaction?
>
>
>  1) "default-wired-connection" is in the server, which is related
>     to the configuration parameter "no-auto-default" in 
>     NetworkManger.conf
>  2) the UI field "Auto Ethernet" in nm-applet
>
> They are not the same thing.
>
> 2) is not implemented in terms of 1).
> 1) is a server-only thing
> 2) is a nm-applet thing -- To realize this, nm-applet of course talks 
>    to the server too. But large parts of the logic happen in nm-applet.
>
>
> > > In the server, "auto default connections" are there so that you can
> > > boot a machine without any connections and NetworkManager will
> > > create a
> > > (default) connection automatically.
> > > "no-auto-default" in NetworkManager.conf disables this.
> >
> > What exactly does mean -server- in "In the server"?
>
> NetworkManager is a server/daemon to configure networking.
> "in the server" means something that happens in the NetworkManager
> process.
> Sometimes things happen in the server as result of command from a
> client via D-Bus.
> Not in case of 1). No client interaction is involved there.
>
>
>
> > > The "Auto Ethernet" in nm-applet, creates a new connection from
> > > client
> > > side, and activates it.
> >
> > Did you mean, NetworkManager via the applet offers "Ad hoc" Ethernet
> > connection, and user can eventually consume it?
>
> Clicking 2), cause
>   - nm-applet to constuct a new connection (client-side)
>   - send the new connection via D-Bus to NetworkManager (server-side)
>   - server stores the new connection
>   - server activates the new connection.
>
>
> does that make any sense?
> Thomas

Indeed, to articulate in a meaningful way through the technical language is not a trivial task, especially 
when it is not a subset of native language.

There is at least one case where this kind of connection should not be offered - existing bridged connection.