[Opensim-dev] User services refactoring status

[Ryan McDougall]

On Mon, Jan 4, 2010 at 6:02 PM,  <diva at metaverseink.com> wrote:
> Hi everyone,
>
> Just an quick message to let you know about the status of the
> refactoring, and to ask for help in some parts.
>
> Between Christmas and now, Melanie and I have re-engineered the way that
> OpenSim handles users, agents, and avatars, and the persistent data
> associated with all of these. This is the final push on the refactoring
> (and improvement) work that started back in May. This last piece of the
> work is being done in the branch presence-refactor.
>
> There are several new services that correspond to breaking up the user
> server into smaller pieces, i.e. things that the user server already did
> but in very awkward manner. Namely: user accounts (it's just that,
> accounts), authentication (manages passwords, auth tokens and the like),
> presence (knows where agents are), avatar (manages the 'carcass') and
> friends (social net basics). All of these have been made fairly generic,
> and this will enable a whole new level of extending OpenSim. For
> example, strings are used in important identifiers instead of UUIDs.
>
> Additionally, what was previously known as "Interregion Comms" (Local
> and REST) is now a simulation service provided by the sims. This last
> service makes agent transfers consistent throughout their existence --
> login and TPs -- and allows for future alternative ways of driving agents.
>
> ETA on merging this with master branch is next weekend. I think we're on
> track to have OpenSim 0.7 sometime in January. This will also allow us
> to start taking security seriously right after 0.7 is tagged.
>
> I encourage you to check out the branch and, at least, look through
> OpenSim.Services.Interfaces, which now tell the story quite well. The
> really brave can try it out on test grids/standalones. (Please use test
> grids/DBs only for the time being!) Notice the configuration files which
> now have a lot more in them. NOTE: only works for MySQL at the moment.
>
> This leads me to the asking-for-help part. The DB schema has changed
> substantially. We have been doing this with MySql. We need help to make
> the same changes to SQLite and MSSQL, if these are to be supported from
> here on. I know we can count on StrawberryFride to update the MSSQL
> connector. However, for SQLite... it has been falling through the
> cracks. There is already a show-stopper bug in it that makes the SQLite
> connector not work with mono 2.4.3 and higher
> (http://opensimulator.org/mantis/view.php?id=4463). Unless someone steps
> in and takes care of the SQLite connector, I'm afraid it will go the way
> of the dinosaurs.
>
> Thanks!
>
> Diva / Canto

Excellent work Mel and Diva! The next step in making OS _the_ platform
for novel VW applications.

Cheers,