[Opensim-dev] external host name

[Teravus Ovares]

RegionUpData is my fault, and spawned from compatibility issues with
.NET remoting and Mono remoting with complex types.  It is only used
to notify a neighbor region that 'this region is up'

Best Regards

Teravus

On 12/11/08, Cristina Videira Lopes <lopes at ics.uci.edu> wrote:
> Things are very messy right now. You can search for "sim_ip", for example,
> which is used in chatting with the grid server, and where it is being
> converted to an IP address in about half of the cases.
>
> To compensate, and before I noticed this inconsistency, Homer introduced
> another field called "sim_host", so not to mess with what was already there,
> that is supposed to carry the external host name, but this only works up to
> the point in which RegionInfo data structures are created. At that point, we
> need to decide what to place in m_externalHostName, sim_ip or sim_host.
> Which means changes in OGS1.
>
> I also noticed that there is yet another data structure called RegionUpData
> that uses IP addresses.
>
> So, messy. Someone should decide what this field is supposed to be, and make
> it a rule.
>
> Charles Krinke wrote:
>
> Dear Diva:
>
> You have a very good point and I would support harmonizing to one notion
> even at the expense of breaking some things for a while.
>
> In fact, if someone can identify what some of those things are, or come up
> with a couple of search strings or grep expressions, I would like to look at
> the anomalies myself.
>
> +1 on external_host_name
>
> Charles
>
> ________________________________
>
>
> From: Cristina Videira Lopes <lopes at ics.uci.edu>
> To: opensim-dev at lists.berlios.de
> Sent: Thursday, December 11, 2008 2:42:05 PM
> Subject: [Opensim-dev] external host name
>
> It turns out that a lot of problems with CAPs have to do with
> inconsistencies surrounding the URL of the seed cap. Specifically, in
> some cases we're producing URLs with hostnames, other times we're
> producing URLs with IP addresses, for example:
>
> http://ucigrid03.nacs.uci.edu:9000/CAPS/4cfc94fa-09be-409b-b136-cda2cdde0000/
> vs.
> MailScanner has detected a possible fraud attempt from "128.200.71.43:9000"
> claiming to be MailScanner warning: numerical links are often malicious:
> http://128.200.71.43:9000/CAPS/4cfc94fa-09be-409b-b136-cda2cdde0000/
>
> The client is not smart enough to test if this is the same host, it
> assumes it isn't, so it decides someone's trying to game it.
>
> The inconsistencies are all over the code in OpenSim, and they pertain
> to the use of ExternalHostName in several data s! tructures. In some
> cases, an explicit conversion to IP addresses is made.
>
> We should converge to one single thing. And I believe that thing should
> be whatever it is given in external_host_name config. Is this right?
> However, I am a bit afraid this is going to break 17 different things...
>
> Crista
>
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