🚀 go-pugleaf

So you use a device driver in SolFS, right? How did you finally solved the
task? Did you engage an extern company to write an framework you can build
on?

"Eugene Mayevski [SecureBlackbox]" <mayevski@eldos.org> schrieb im
Newsbeitrag news:3fd668fc@newsgroups.borland.com...
> Remy Lebeau (TeamB) wrote:
>
> >>What I meant is that if we order such development now, we will
> >>pay 20K and get the result in 3-4 months. If we developed it
> >>ourselves, it would probably cost about $7-8K, but it would take
> >>6-8 months.
> > Why?
>
> (I am talking about virtual file system driver, which I am interested
> in. it is possible that other types of drivers are less expensive).
>
> Due to complexity of development, and, what is more important, of
> debugging. Drivers are usually written completely in C (no C++) with
> limited stack and heap size. Documentation is limited (DDK describes
> only small part of functions), experience matters much more than with
> desktop development. There are much less people who can share some tip
> in newsgroup or forum.
>
> Those companies that offer custom development services charge
> ~200-$300/hr (the one that I talked about charged $50/hr, and this was
> non-US company).
>
> Debugging - any problem and you have to reboot the computer and repeat
> the testing sequence (which can be quite complicated). Debugging is done
> either using MS debug tools (cool command line debugger :) or using some
> kind of logging (I didn't look deeper into this). Kernel of each OS is
> different and it changes from service pack to service pack. You have to
> test the driver with each version of OS, with each service pack etc.
>
>
> Well, if we had this amount of free resources, we would certaintly try
> to make the driver (it's a very interesting software engineering task),
> but the final question is "who will compensate the cost of development".
> Drivers are the thing that can rarely be reused in some other project,
> and to cover cost of driver development for SolFS we would have to sell
> much more copies of SolFS that we do now :).
>
> -- 
> Eugene Mayevski
> EldoS Corp., CTO
> Security and networking solutions
> http://www.eldos.com
>