Been  lurking for  quite a while, and I have to ask, Mel mentioned that the
threat warnings were created to protect against a griefer threat that never
materialized. If the perceived threat never happened, why are we keeping
the threat levels at all? Keeping  them is the same sort of illogic for
keeping a government agency funded and operating despite having nothing to
do, like regulating buggy whips. How about we turn this stuff off
completely? I don't need to deal with OSSL functions if I wanted to grief
opensim, theres plenty of LSL functions I could use to bring a grid to its
knees if I wanted to. Furthermore, the main threat in opensim, the problem
of copybotters, the devs do absolutely nothing about, so you cannot claim
to be protecting us against a nonexistent threat when you are doing nothing
about a real threat.

On Thu, Oct 17, 2019 at 3:51 PM Dahlia Trimble <dahliatrim...@gmail.com>
wrote:

> In SL we used to set up error event handlers with a listener on
> DEBUG_CHANNEL. Errors will still show in red on the script debug window but
> you're script will be able to be aware of the error(s). I don't recall if
> I've ever tried it on OpenSImulator but I'd be surprised if it didn't work
> there also.
>
> Users don't usually see the red text as most keep the script debug window
> open.
>
> On Thu, Oct 17, 2019 at 11:05 AM Mike Higgins <m...@kayaker.net> wrote:
>
> > I agree that many functions are dangerous, and some grid owners may
> > shoot themselves in the foot by enabling them. But I am talking about
> > writing scripts that behave in a professional way, so I can hand them
> > out for lots of people to use. If I wrote a phone app that popped up
> > internal error messages in some locations, this would be considered very
> > unprofessional and people would down-vote my app and stop using it. Most
> > programming languages have a try/catch (or on_error) flow control
> > construct, but LSL does not. I would love to add such a construct to LSL
> > but I do not have the skill to add that to the language. (I'm of the
> > opinion that a new error event rather than an error state is the way to
> > go).
> >
> > I do have enough skill to add an osPermissionToCall function that
> > returns some information about the OSSL functions. I agree this is not
> > ideal, but I could write the code for this function and submit it to the
> > Devs, saving them from needing to do this trivial task and saving them
> > from the more difficult task of adding error catching to LSL. Ubit tells
> > me he would reject this try-before-you-call submission. But I assume he
> > does not have the time to do the better option of adding an on_error()
> > state to the language. The result is that there is no way for us
> > scripters to write professional programs in OpenSim.
> >
> > Here is the scenario I am looking at: I write a useful script that
> > people want to use as they hypergrid around. I thought it was safe to
> > call osGetGridName which seems an innocuous function and will probably
> > be allowed everywhere. But it turns out that osGetGridName has a
> > "moderate" threat level and some places, (most notably LBSA Plaza in
> > OSGrid), have the threat level set to "Very Low" and do not have an
> > “Allow_” line to override this for osGetGridName. So my script works
> > most places in the Metaverse, but fails and pops up messages when one of
> > the users of my script shows up there. I would love to catch that error
> > and do something reasonable with it. But LSL has no way to do this and
> > the developers are resisting alternative ways to do this. (In the case
> > of osGetGridName, I could catch the error and substitute “OpenSim” as
> > the grid name, or have the script tell my users “Sorry, I can't tell
> > where you are now”).
> >
> > There was a secondary issue that when osGetGridName fails, it not only
> > popped up an internal error message, but it sends that message to every
> > avatar in the region. Ubit has thrown me a bone by adding an option to
> > the INI files that suppresses this behavior and only sends the message
> > to the user of the script. This has several problems: 1) Note that it is
> > the user of the script that gets the message, not the scripter. 2) Most
> > of my users and most of the avatars that get this message are that:
> > USERS, not grid owners who have the power to change the INI file. Since
> > they can't effect the outcome, they will stop using my script. And all
> > scripters like me will just stop calling ANY of the OSSL function in the
> > scripts we hand out. Even the innocuous looking ones. And all the effort
> > that the Devs have spent on writing the OSSL functions will have been
> > wasted.
> >
> > Imagine that I write a phone app that works fine on the SPRINT network
> > but pops up internal error messages when you are roaming on AT&T. But
> > then it paws through my contact list and also sends a copy of that
> > incomprehensible error message to all my friends. Ubit has given me
> > equivalent of a tool that can stop that last behavior, but only if
> > SPRINT and AT&T change some internal flag on their servers. Unlikely to
> > happen. People are still going to get error messages and stop using my
> > phone app.
> >
> > Then there is an additional problem: Currently there is no way for an
> > osPermissionToCall function to know what the threat level is for any of
> > the other OSSL functions. That threat level is hard-coded into each
> > function. Ubit resists moving that information to a central location in
> > the code. He also resists moving this information into the INI files.
> > But I still want to find a way to write professional scripts on OpenSim.
> >
> > So if you are still reading this Ubit: Would you accept a patch with an
> > osPermmissionToCall function that was completely self contained and did
> > not require changing the location of the threat level values? For
> > example, the osPermissionToCall functioin could have a local table of
> > all the other functions and their threat levels. This might introduce
> > bugs if threat levels ever change, but that seems unlikely.
> >
> >
> > On 10/17/2019 8:10 AM, Leal Duarte wrote:
> > > Well lets try put some perspective on this...
> > >
> > > The problem is not how hard it is to detected and handle disabled
> > > functions
> > >
> > > The problem is WHY are you using them !!!
> > >
> > > See OSSL got a lot a functions in time and for very different reasons.
> > >
> > > Many are there because they are just funny/useful on very specific
> > > regions or cases.
> > >
> > > Once the allow control was introduced, that got worse, because as dev
> > > in can just not care, i just flag a specious feature as SEVERE,
> > > ESTATE_OWNER only. And just let you change it and shoot your own feet,
> > > or worse someone else feet...
> > >
> > > And in many cases you are just doing that. ( the C# scripts was a
> > > example i just had to kill )
> > >
> > > see a very simple and useful(?) example
> > >
> > > osGetNotecardLine(..)
> > >
> > > none of that Dataserv mess of llGetNotecardLine(..) right?
> > >
> > > well wrong.. Dataservice is need because the notecard may be on a
> > > assets server on the other side of the world...
> > >
> > > and not using it will stall the engine thread, potentially all of then.
> > >
> > > Why do i see its  errors at osgrid LBSA ?
> > >
> > > A lot more examples, but you got the point.
> > >
> > > When one writes a script, one must take in consideration its target
> > > audience..
> > >
> > > you can't use osSlerp()  if you want it to run at current Kitely, can
> > > you?
> > >
> > > So issue is to identify a set that should be universally supported,
> > > and everyone make the effort to support it.
> > >
> > > ...
> > >
> > > Ubit
> > >
> > >
> > > On 17-Oct-19 15:17, dz wrote:
> > > ......
> > > _______________________________________________
> > > Opensim-dev mailing list
> > > Opensim-dev@opensimulator.org
> > > http://opensimulator.org/cgi-bin/mailman/listinfo/opensim-dev
> > _______________________________________________
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> > Opensim-dev@opensimulator.org
> > http://opensimulator.org/cgi-bin/mailman/listinfo/opensim-dev
> >
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-- 
Mike Lorrey
CEO Galactic Systems, Inc
bntholdi...@gmail.com <m...@tokens.vc>

International Spaceflight Museum
m...@ismuseum.org
Skype: michael.lorrey
LinkedIn: https://www.linkedin.com/in/mikelorrey
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