Re: Reading ACL configuration files every request

On 11/05/2011 06:39 PM, Andrew Beverley wrote:
> Hi,
>
> I am using the ACL feature whereby the parameters can be read from a
> file. For example:
>
> acl session_day time "/var/www/announce_days.txt"
>
> Understandably, the file only appears to be read when the configuration
> file is parsed, rather than each time the ACL is checked. However, I
> need it to be checked more often, as I have a system configuration
> interface that writes a day of the week to the file, which subsequently
> causes a splash page to be shown on a particular day. I would like
> configuration to be done without having to reload the Squid
> configuration file.
>
> Would any consideration be given to a patch to check the ACL file more
> often? Could/should it be an extra configuration option to check the
> file each request? I appreciate that this would come with a greater
> overhead. Is there a better way to achieve this?

I know you have already written a special every-request helper to solve
this per Amos' suggestion.

FWIW, the usual approach (in a helper or elsewhere) is to reread the
configuration file only when the file modification time stamp changes
and/or a HUP signal is received, and not on every request.

HTH,

Alex.
Received on Mon Nov 07 2011 - 20:55:34 MST