Re: [PATCH] Fix manual IP config

["Tambet Ingo" <tambet gmail com>]

On Tue, Mar 18, 2008 at 12:36 PM, Dan Williams <dcbw redhat com> wrote:
> On Tue, 2008-03-18 at 11:37 +0100, Helmut Schaa wrote:
>  > Nevertheless I want to give you an hypothetical scenario why I would prefer it
>  > to be set in real_act_stage3_ip_config_start:
>  >
>  > As far as I can see nm_device_set_use_dhcp is defined in nm_device.h and could
>  > therefore be used from some places outside nm_device.cpp. It would be
>  > possible to call nm_device_set_use_dhcp even if the device is down.
>  > Afterwards starting a non-dhcp connection on that device would lead to the
>  > initial problem. Setting it in real_act_stage3_ip_config_start would avoid
>  > such issues.
>
>  Seems kind of odd; I can't think why we'd want to set it when the device
>  is down?  The use-dhcp parameter should _only_ be set during activation,
>  based on the 'method' parameter of the activating connection's
>  ip4-config setting.  When the activation cancels, or the device is
>  deactivated, the use-dhcp setting should be cleared, because the next
>  time the device activates, it might have a different connection, and
>  therefore have a different 'method' parameter in the ip4-config setting,
>  and therefore use autoipv4 or static addressing instead of DHCP.

Well, nm_device_set_use_dhcp() shouldn't really be public, it's
declaration should be in nm-device-private.h instead. The only allowed
callers should be NMDevice and it's subclasses. Or maybe not even
subclasses and the function should be static.

Tambet