On Tue, 02 May 2006 07:51:18 +0500, Irfan Habib said: > I wanted to know if modulescan be developed in the linux kernel, which > can create TCP/UDP sockets and communicate with perhaps webservices, > residing in the user level in the same computer or in some other > computer. > Is a networking API available in the linux kernel which can be used by > linux kernel modules, if so is there any documentation for it? It's generally considered a Bad Idea, as it's almost certainly easier to do in userspace. If you're trying to to instrument a network-based monitoring system and need access to kernel data, you're *much* better off having the kernel export the data via netlink or even abuse of /proc or /sys, and then a small userspace program read the data and ship it over the net. There's a *lot* of things that you just won't have access to in kernel space (for starters, you don't have a DNS resolver, so you can't use hostnames for configuration). If you're determined to do this in kernelspace anyhow, see the linux-2.6-tux.patch in recent RedHat/Fedora kernels, and ask yourself why that patch has no hope of being accepted upstream (although I have a great amount of respect for a lot of things that come out of RedHat, *that* patch is best described "a fully RFC1925-compliant networking pig, with afterburners")
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