Re: [Tclhttpd-users] sessions

[Gerald W. L. <Ger...@co...>]

Raul Elizondo (wizardteam) wrote:
> There are 2 ways to store sessions, one is using arrays (wich will eat 
> some memory if you dont clean those variables periodically, ie 
> var1(session), var2(session), var3(session)), or the common way which 
> uses temprally files in /tmp.  However, keeping global variables cant 
> be mixed as tclhttpd does one at the time request (with no threads 
> enabled), unless you dont reset your variables.  For that case, ncgi 
> package is very handy instead of using global variables.
>  
> The best and clean way to do session its as explained by Sean Woods in 
> the last message.  Using one cookie generated with a random string (as 
> the ticket number or traking string) that matches against a sql record 
> in which you can store must of the private environment for the session 
> (usually the username).
Another way to store per session information is to cut a safe 
interpreter per session.

In any case, including using files or SQL records you need to delete old 
session information.  Use the Session_Reap command to assist in this -- 
in fact you the session commands in general.
>  
> Regards,
>  
> -=Raul=-
>
>     -----Original Message-----
>     *From:* tcl...@li...
>     [mailto:tcl...@li...]*On Behalf Of
>     *salah jubeh
>     *Sent:* Friday, March 31, 2006 11:56 PM
>     *To:* Jeff Smith; tcl...@li...
>     *Subject:* Re: [Tclhttpd-users] sessions
>
>     Hi Jeff,
>      
>     The problem with session package, i think it is not complete,
>     after creating a session, the user suppose to have his own
>     state i.e variables, it is not just only tracking the user  "how
>     is the user" because this can be done by hidden fields, after
>     creating session  still all the forms variable are in the global
>     scope that's mean that if two users are inserting records at the
>     same time, the records will mix up
>
>     */Jeff Smith <hea...@ya...>/* wrote:
>
>         Hi Salah,
>
>         > second in the session library how it is work to
>         > maintain variable states and can you give me
>         > example.
>         >
>
>         There are a few examples of using TclHttpd's session
>         module on the wiki
>
>         http://wiki.tcl.tk/2927
>
>         Kind Regards
>
>         Jeff Smith
>
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-- 
+--------------------------------+---------------------------------------+
| Gerald W. Lester                                                       |
|"The man who fights for his ideals is the man who is alive." - Cervantes|
+------------------------------------------------------------------------+