[DGD] Implementing hotbooting

[Felix A. Croes]

Shentino <shentino at gmail.com> wrote:

> I'm working on a hotboot patch for dgd that will let it hotboot just like hydra.
>
> So far I have the LPC side working and have added the handling
> required to track it.  Now I need to do the driver side and actually
> make it work.
>
> (experimenters are free to pull from the hotboot branch of my github
> repo on dgd)
>
> So far, what I think to do is check for a snapshot also being
> triggered, then when we're done and ready to shut down, if a hotboot
> is requested push all state we need to a temporary buffer (open ports,
> open connections).  Then exec and reattach to all the open stuff we
> stashed in the buffer.
>
> Am I missing anything?

Apart from file descriptors, you also have to save connection state,
telnet buffered input, buffered UDP packets and editor sessions.

Regards,
Felix Croes