Re: [vwrap] The <embed> tag... is the group still interested in LLSD or DSD?
Dzonatas Sol <dzonatas@gmail.com> Sat, 07 May 2011 17:23 UTC
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Date: Sat, 07 May 2011 10:22:05 -0700
From: Dzonatas Sol <dzonatas@gmail.com>
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References: <BANLkTi=g9T5q5bVgytpxRxuE=Oc9iG2F9w@mail.gmail.com> <4DC15504.3090503@gmail.com> <BANLkTikay4xhQoZs2L0uRLSXgUMfCE9yfA@mail.gmail.com> <4DC160F0.1030201@gmail.com> <BANLkTikTYpLHM=GAeGAVfufqZ5XT0FSAzw@mail.gmail.com> <BANLkTi=kjBSuMjPcgfXTUvZ3iwmS1bN50Q@mail.gmail.com> <4DC17704.3020201@gmail.com> <BANLkTimpGpNrkE3WUdurduqrVumocDRwfQ@mail.gmail.com> <4DC1824B.6040609@gmail.com> <BANLkTi=hhsiDs=fdZRsthp_+5Hs+pR4L6A@mail.gmail.com> <4DC1956A.5020204@gmail.com> <BANLkTik8rnsKP4xq+Gj5G4dsG=UOVnkNSQ@mail.gmail.com> <4DC1A8C9.9090406@gmail.com> <BANLkTikkOS34CC+ML0JNJgHDoRqbs9rY9w@mail.gmail.com> <4DC1D165.7010705@gmail.com> <4DC1D5FC.6040608@gmail.com> <BANLkTik81Eht3NTdLXXmgqOWvjc2s_KBnw@mail.gmail.com> <BANLkTi=-heHa35w43te0ba8NufkT+MP+CQ@mail.gmail.com> <BANLkTin6ExR7+xpodbtoTAS_4WyhUXL92Q@mail.gmail.com> <BANLkTikjKib79_rLR_s2X=X-ss-+V_yw+w@mail.gmail.com> <BANLkTim4aY7oNALbOfZ2V-htivVmQJZDiA@mail.gmail.com> <BANLkTi=7MDUAfjJb697uRwrrxB-4v5fQ3A@mail.gmail.com>
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Subject: Re: [vwrap] The <embed> tag... is the group still interested in LLSD or DSD?
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That is why there are differences in transmit type and expect type. That is not obvious unless without source code. Self-documents that transistion possibility. On 05/07/2011 12:45 AM, Dahlia Trimble wrote: > I believe python supports very large integers. Try this in your python > interpreter: > > >>> bigint = 2**(2**16) > >>> print bigint > > I first became aware of missing integer types in LLSD when I was > coding the event queue messages to support group chat in > OpenSimulator. It seems that "region handles" are 64 bit integers in > the LL protocols but are encoded as a base64 encoded binary blob in > LLSD as LLSD has no support for integers larger than 32 bits. I > suspect that changing LLSD to have larger integer types might create > some compatibility issues with existing implementations that expect to > use the binary blob. > > > On Fri, May 6, 2011 at 9:18 AM, Joshua Bell <josh@lindenlab.com > <mailto:josh@lindenlab.com>> wrote: > > On Thu, May 5, 2011 at 11:46 PM, Vaughn Deluca > <vaughn.deluca@gmail.com <mailto:vaughn.deluca@gmail.com>> wrote: > > > What were the reasons to allow onl a single integer type? > There must have been a good arguments for that?� > > > IIRC, some of the languages we wished to support (Python comes to > mind) did not have support for integers larger than 32-bits. > ECMAScript doesn't have integer number types at all only IEEE 754 > 64-bit floats; if you constrain the input and output to 32-bit > integers it can represent those accurately, but not 64-bit integers. > > If you look at the history of LLSD, it started with 3 > serialization formats that explicitly specified the type of values > - XML, binary, and "notation" - a compact text serialization > intermediate in size between binary and XML. The IETF drafts > dropped notation and added JSON. The JSON serialization was > "lossy" as LLSD describes types and values that don't exist in > JSON (Integer, Date, UUID, NaN, Infinity, etc). By design, though, > the type conversions described in the LLSD Draft accommodate e.g. > by serializing a Date as an ISO 8601 string, which when > interpreted as a date by the receiver results in the original Date > by the string->date conversion rules. (I don't know if we had > resolved every issue with JSON serialization; certainly, > discussion about edge cases on this list never made it into a draft). > > As far as adding new types: I believe there was the belief that > this could be accommodated by defining an "LLSD2" at some point in > the future with a distinct MIME type for serializations (e.g. > application/llsd2+xml); unlike the Web, content negotiation over > HTTP was assumed to be functional within VWRAP interoperation. > Therefore, there was no push to ensure LLSD "v1" was internally > extensible or comprehensive for all imaginable scalar/structured > types. > > Anyway... if contributors have implementation of abstract data > type systems that share characteristics with LLSD and are thinking > about adding additional scalar/structured types, they should look > at the issues with both implementation languages and serialization > formats. > > -- Josh > > > _______________________________________________ > vwrap mailing list > vwrap@ietf.org <mailto:vwrap@ietf.org> > https://www.ietf.org/mailman/listinfo/vwrap > > > > _______________________________________________ > vwrap mailing list > vwrap@ietf.org > https://www.ietf.org/mailman/listinfo/vwrap > -- --- https://twitter.com/Dzonatas_Sol --- Web Development, Software Engineering, Virtual Reality, Consultant
- Re: [vwrap] is the group still interested in LLSD… Morgaine
- Re: [vwrap] is the group still interested in LLSD… Dzonatas Sol
- [vwrap] is the group still interested in LLSD or … Meadhbh Hamrick
- Re: [vwrap] is the group still interested in LLSD… Morgaine
- Re: [vwrap] is the group still interested in LLSD… Dzonatas Sol
- Re: [vwrap] is the group still interested in LLSD… Morgaine
- Re: [vwrap] is the group still interested in LLSD… Dzonatas Sol
- Re: [vwrap] is the group still interested in LLSD… Meadhbh Hamrick
- Re: [vwrap] is the group still interested in LLSD… Dzonatas Sol
- Re: [vwrap] is the group still interested in LLSD… Morgaine
- Re: [vwrap] is the group still interested in LLSD… Dzonatas Sol
- Re: [vwrap] is the group still interested in LLSD… Morgaine
- Re: [vwrap] is the group still interested in LLSD… Dzonatas Sol
- Re: [vwrap] is the group still interested in LLSD… Morgaine
- Re: [vwrap] ADT? is the group still interested in… Dzonatas Sol
- Re: [vwrap] ADT? is the group still interested in… Morgaine
- Re: [vwrap] The <embed> tag... is the group still… Dzonatas Sol
- Re: [vwrap] The <embed> tag... is the group still… Dzonatas Sol
- Re: [vwrap] The <embed> tag... is the group still… Morgaine
- Re: [vwrap] The <embed> tag... is the group still… Vaughn Deluca
- Re: [vwrap] The <embed> tag... is the group still… Morgaine
- Re: [vwrap] The <embed> tag... is the group still… Vaughn Deluca
- Re: [vwrap] The <embed> tag... is the group still… Joshua Bell
- Re: [vwrap] The <embed> tag... is the group still… Dzonatas Sol
- Re: [vwrap] The <embed> tag... is the group still… Morgaine
- Re: [vwrap] The <embed> tag... is the group still… Dahlia Trimble
- Re: [vwrap] The <embed> tag... is the group still… Morgaine
- Re: [vwrap] The <embed> tag... is the group still… Meadhbh Hamrick
- [vwrap] Python integer types (was: The <embed> ta… Boroondas Gupte
- Re: [vwrap] The <embed> tag... is the group still… Meadhbh Hamrick
- Re: [vwrap] The <embed> tag... is the group still… Meadhbh Hamrick
- Re: [vwrap] The <embed> tag... is the group still… Morgaine
- Re: [vwrap] The <embed> tag... is the group still… Meadhbh Hamrick
- [vwrap] Python integer types, again (was: The <em… Boroondas Gupte
- Re: [vwrap] Python integer types (was: The <embed… Meadhbh Hamrick
- Re: [vwrap] Python integer types, again (was: The… Meadhbh Hamrick
- Re: [vwrap] The <embed> tag... is the group still… Dzonatas Sol
- Re: [vwrap] The <embed> tag... is the group still… Dzonatas Sol
- Re: [vwrap] The <embed> tag... is the group still… Morgaine
- Re: [vwrap] The <embed> tag... is the group still… Dzonatas Sol
- Re: [vwrap] The <embed> tag... is the group still… Morgaine
- Re: [vwrap] The <embed> tag... is the group still… Dzonatas Sol
- Re: [vwrap] The <embed> tag... is the group still… Morgaine
- Re: [vwrap] The <embed> tag... is the group still… Dzonatas Sol
- Re: [vwrap] The <embed> tag... is the group still… Dzonatas Sol
- Re: [vwrap] The <embed> tag... is the group still… Morgaine
- Re: [vwrap] The <embed> tag... is the group still… Dzonatas Sol
- Re: [vwrap] The <embed> tag... is the group still… Morgaine
- Re: [vwrap] The <embed> tag... is the group still… Dzonatas Sol
- Re: [vwrap] The <embed> tag... is the group still… Morgaine
- Re: [vwrap] The <embed> tag... is the group still… Dzonatas Sol
- Re: [vwrap] The <embed> tag... is the group still… Robert G. Jakabosky
- Re: [vwrap] The <embed> tag... is the group still… Morgaine
- Re: [vwrap] The <embed> tag... is the group still… Dzonatas Sol