[Opensim-dev] OGP module and the grand re-factor...

[Melanie]

Hi,

the other night, Meadhbh told me that the persistent accounts were
not intended. So that's cleared up.

Melanie

Cristina Videira Lopes wrote:
> David,
> 
> With this latest refactoring came the new Simulation service,  
> represented by ISimulationService. Please take a look at it. The data  
> structures that it currently takes for creating and updating agents  
> are still incomplete (one of them needs more data for foreign users),  
> but I think you'll get the idea very quickly. We may be able to come  
> up with the basic common data, and then have more specialized data  
> structures for each agent transfer protocol.
> 
> I took a look at the OGP module the other day, and it really looked to  
> me like it can be written as an alternative handler that receives/ 
> sends the data from/to the wire using the specific protocol that you  
> guys have been cooking, but that calls the existing simulation service  
> exactly like the existing handler. The existing handler is in  
> OpenSim.Server.Handlers.Simulation.
> 
> There were several important details that you obviously need to make  
> decisions upon, like -- do you really want to create a persistent  
> account for foreign users? etc. As I was about to do the rewrite of  
> that module for the new services, it was obvious that I couldn't make  
> that call, or I would be designing OGP myself :)
> 
> As I was hoping, I think this will be an excellent vehicle to discuss  
> similarities and differences between OGP and HG and any other agent  
> transfer protocols out there.
> 
> Crista / Diva
> 
> On Jan 7, 2010, at 1:29 PM, David W Levine wrote:
> 
>>
>> There's a more recent copy on the github repository linked to out of  
>> gridforge. (gridforge still being SVN is... a wee challange)  The  
>> tree there is a light fork off
>> of September.  There are a couple of changes which permit inventory  
>> to run from caps hosted by the Agent Service in that tree, as well  
>> as some code to manage
>> reflecting region inventory interactions to the Agent Service.   
>> git://github.com/zekizeki/agentservice.git   That should be current.
>>
>> I've been giving the right way to sync up a bit of thought. I  
>> suspect that the OGP module really wants to be built at a different  
>> layer in the post re-factor world, probably
>> as a service, using the connectors to talk to the rest of the system  
>> like any other well behaved component. The basic task of the OGP  
>> code is to parse the request from
>> a remote Agent Service, decide whether to accept it or not, and  
>> then, setup the region to welcome the client. Currently the OGP code  
>> stuff things into the region with a bit
>> of a sledghammer. I'd think doing it properly, with connectors would  
>> be much nicer for everyone, and isolate the code properly. I suspect  
>> the biggest tricky bit is whether
>> the right bits are exposed to have the region ready to talk to the  
>> client with the right agentID, secure Circuit ID, and a properly  
>> setup user agent to match. I'll start looking
>> at that in the current connector code.
>>
>> Overall, the connector approach, and getting as many of the services  
>> decoupled is clearly the way to go, especially, if we want to allow  
>> everyone to explore a range of
>> messaging, inventory and asset serving models over the next chunk of  
>> grid evolution. I'm hopeful we can start getting some really useful  
>> evolution to happen pairwise in the
>> clients and the services this year, which should make everyone's  
>> life more flexible.
>>
>> - David
>>
>>
>>
>> opensim-dev-bounces at lists.berlios.de wrote on 01/06/2010 01:14:32 PM:
>>
>> > [image removed]
>> >
>> > Re: [Opensim-dev] OGP module and the grand re-factor...
>> >
>> > diva
>> >
>> > to:
>> >
>> > opensim-dev
>> >
>> > 01/06/2010 01:14 PM
>> >
>> > Sent by:
>> >
>> > opensim-dev-bounces at lists.berlios.de
>> >
>> > Please respond to diva, opensim-dev
>> >
>> > Hi David,
>> >
>> > First question is: what's the most updated version of OGP? Is it  
>> what's
>> > currently in the core distro, or do you have something more recent
>> > somewhere else?
>> >
>> > Diva / Crista
>> >
>> > David W Levine wrote:
>> > >
>> > > I gather the current grand refactoring is washing up on the  
>> shores of
>> > > the OGP module (which is hardly surprising) So, I'll raise my  
>> hand and
>> > > say "I'll make sure it gets sorted out" I gather Melanie and  
>> DIva are
>> > > looking
>> > > for that hand raise, so here it is. Since I'm also about to look  
>> at
>> > > adding in X.509 based counterpart validation to the code this  
>> month,
>> > > I'll be in there anyway. So... Lets sort out what's needed to  
>> make this
>> > > as painless as
>> > > possible for everyone.
>> > >
>> > >
>> > >
>> > > - David / Zha
>> > >
>> > >
>> > >  
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> 
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