Re: A few questions.....
Mikulas Patocka (mikulas@artax.karlin.mff.cuni.cz)
Thu, 24 Jun 1999 15:38:05 +0200 (CEST)
> I am considering writing a new feature for Linux. Basically it would
> allow you to open arbitrary URLs with the open() call. Something like
> open("http://somehost/~somepage/foo.tar.gz", O_RDONLY)
> or
> open("ftp://somehome/foo.tar.gz", O_RDONLY)
>
> The question I have is would this be more effciently done in
> userspace(libc, etc...) or does this functionality belong in the kernel.
> I was thinking if I did go the kernel route having separate modules that
> could be loaded via kmod to handle various protocols. Another question is
> how would one do DNS lookups in the kernel?? I'd assume some callback to
> userspace to do the lookup. Also where would be the ideal place to put
> the hook into the kernel? Would it go in somewhere like sys_open() or
> elsewhere?
It's better to do this in userspace because speed doesn't matter here.
Look at podfuk - it acts as coda cache and can download ftp files and
unpack tgz archives.
http://atrey.karlin.mff.cuni.cz/~pavel/podfuk/podfuk.html
Mikulas
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