Re: khttpd: Virtual domain support alpha code

Riley Williams (rhw@MemAlpha.CX)
Sat, 4 Sep 1999 22:25:42 +0100 (GMT)


Hi Arjan.

>> One thing that I always need from a webserver is virtual domain
>> support. Sadly khttpd does not provide that. Attached is a patch
>> that tries to implement virtual domain support in khttpd.

> I was saving that for later, but if people want it and Linus
> doesn't mind adding new features... why not.

Has Linus actually declared a feature freeze yet? I know he said he
was going to, but if he actually has done so, I've seen nothing about
it yet.

>> There is a new file /proc/sys/net/khttpd/virtual controlling
>> virtual domain behavior. The following values can be set
>
>> 0 Default. No change.
>> 1 Virtual IP mode. Serve files from
>> <documentroot>/<AAA.BBB.CCC.DDD>/filename
>> 2 Virtual Host mode. Server files from
>> <documentroot>/<hostname>/filename

> Sorry to say so, but although this works, I don't think it is
> flexible enough. I really would like to have a dynamic mapping
> between host -> documentroot. Having said that, this system is a
> good start... (So unless anyone comes up with a better one, this
> is it for now)

My suggestion would be to have a directory in /proc (along the lines
of khttpd/mappings or similar) which allowed root to add symlinks to
it, such that `ls -l` would show something like the following if one
ignores the first few columns:

Q> Default -> /home/httpd/html
Q> www.memalpha.cx -> /home/memalpha/public_html
Q> www.rhw.cx -> /home/rhw/public_html

Basically, the symlinks in that directory would be internally mapped
into a table of hostname/docroot pairs, and khttpd just refers to the
said table to sort virtual hosts out.

> One question to l-k/Linus: Is the feature-freeze in effect or
> can something like this be added to the kernel?

Best wishes from Riley.

+----------------------------------------------------------------------+
| There is something frustrating about the quality and speed of Linux |
| development, ie., the quality is too high and the speed is too high, |
| in other words, I can implement this XXXX feature, but I bet someone |
| else has already done so and is just about to release their patch. |
+----------------------------------------------------------------------+
* ftp://ftp.MemAlpha.cx/pub/rhw/Linux
* http://www.MemAlpha.cx/Linux/

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