Messages in this thread | | | Date | Thu, 24 Jun 1999 15:38:05 +0200 (CEST) | From | Mikulas Patocka <> | Subject | Re: A few questions..... |
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> 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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