Re: [simspark-devel] Physical and Graphic Layers, and agent-server Binary Protocol

[Mahdi <zig...@gm...>]

Hi hedayat and all
  So, if gcc supports that, then cpu architecture wont be any problem
no more. Solution is just to create structure with int64_t, so they
would be same everywhere. Is there any other possible problems? Maybe
ending may cause problems. I mean hi endian systems and low endian
systems. Would that create problem?

Cheers
Mahdi

On 2/8/09, Oliver Obst <oli...@cs...> wrote:
>
> On 09/02/2009, at 6:57 AM, Mahdi wrote:
>
>>   For the problem you mentioned about the binary size mismatch of
>> indormation in different cpu architectures, I did a bit of
>> searching, and found out that Microsoft dot net framework has
>> introduced some types like int32, int64 and like these, which gcc
>> yet does not support, or may not support at all. (Please correct me
>> if I am assuming wrong) So another way should be found around the
>> problem. Anybody got any idea?
>
> I don't think that introducing a binary protocol is a good idea, and
> should be avoided if possible.
> For the sensors we're using at the moment, a text based protocol is a
> good solution because it's human readable. A float always uses up 4
> bytes, and the text representation doesn't use much more (in some
> cases, it can use less). Plus you may introduce cross-platform issues
> that should be avoided. The work to implement and the hassle of using
> a binary protocol isn't worth the relatively small gain in efficiency.
>
> There are two cases where it may be necessary: For camera data and
> player integration. So I'd like to suggest to think about a mixed
> protocol instead of pure binary. S-Expressions (the syntax for the
> protocol we're using now) support binary data, or another solution
> would be a binary protocol combined with the S-Exp for the existing
> sensors / actuators.
>
> just my AU$0.02
>
> cheers
> Oliver
>
>
> ------------------------------------------------------------------------------
> Create and Deploy Rich Internet Apps outside the browser with
> Adobe(R)AIR(TM)
> software. With Adobe AIR, Ajax developers can use existing skills and code
> to
> build responsive, highly engaging applications that combine the power of
> local
> resources and data with the reach of the web. Download the Adobe AIR SDK and
> Ajax docs to start building applications today-http://p.sf.net/sfu/adobe-com
> _______________________________________________
> Simspark Generic Physical MAS Simulator
> simspark-devel mailing list
> sim...@li...
> https://lists.sourceforge.net/lists/listinfo/simspark-devel
>