Re: [naviserver-devel] Session module

[Ian H. <har...@gm...>]

Stephen Deasey wrote:
> On Sun, Feb 15, 2009 at 6:55 PM, Ian Harding <har...@gm...> wrote:
>   
>> Hello,
>>
>> I am migrating to Naviserver from AOLServer mostly because of the
>> excellent nsdbi module.
>>
>> My existing code is depended on the nssession module
>> http://bas.scheffers.net/aolserver/ .   It doesn't compile and run
>> unmodified under Naviserver, but before I start hacking on it, is
>> there an existing session module or a tcl solution that someone else
>> has already written?
>>
>>     
>
>
> I'm not sure that it's worth porting that module. The cache locking is
> broken, the file handling looks dodgy, and in general it has some odd
> ideas about configuration and string handling.
>
> If all you need to do is replicate some ns_session Tcl commands so
> your existing code works then the easiest way would be to create a
> work-alike using the existing naviserver Tcl commands:
>
>   * cookie handling: naviserver has this built in:
>         http://naviserver.sourceforge.net/n/naviserver/files/ns_cookie.html
>
>   * caching: also now built in:
>         http://naviserver.sourceforge.net/n/naviserver/files/ns_cache.html
>
>   * persisting the session: just use nsdbi, if you're already using
> it. If you really want
>     to use the file system, use ns_hashpath in nsd/pathname.c to
> prevent enormous
>     directories from bogging down the server.
>
>   * ns_rand: already exposed.
>
>
> It will be more robust than than the C nssession module, and almost
> certainly faster too.
>
>
> If you want to create something fancier as a C module, I'd be
> interested in helping.
>   
I cobbled together one using the built-in cookie and cache stuff.  I'm 
sure I did it wrong.  I'll send a link to the code as soon as I get the 
changes posted.

I am not doing the filesystem persistence.  If I even bother with it 
I'll do it in the database.

Thanks!

- Ian