Re: Apache Notes table, Apache tables in general, and Rivet

[David Welton]

  I propose adding a single new C command to Rivet/Tcl to provide interfaces
 to all these tables for getting, setting and inventorying their contents.

  Something like

table get tablename key
table set tablename key value
table unset tablename key
table list tablename

  I know there is some ability to support multiple entries with the same key.
 Right now I'm punting on that but I suppose it might need that.  Perhaps

table add tablename key value

  Anybody have any thoughts, concerns, objections, accolades, remarks, hot
 buttons, flames, etc?

I'm fine with whatever.  You might look at the [var] command as an
example of how to handle things that might have more than one value,
and so don't fit neatly into a hash table.  On the other hand, I don't
think this is likely to see a whole lot of use, so maybe it's best to
just keep it simple.

-- 
David N. Welton

http://www.welton.it/davidw/

http://www.dedasys.com/

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Re: Apache Notes table, Apache tables in general, and Rivet

[Massimo Manghi]

Beside cgi environment I can't see a real difference
between 'notes' and 'subprocess_env', thus I can't make up
an opinion about what is preferable. I can understand
that 'notes' is free from the burden of supporting
various things related to cgi, but that's all. Do
you think your code is already at the stage to be tested?

 -- Massimo

On Thu, 3 Apr 2008 11:40:01 -0500, Karl Lehenbauer wrote
 There's a key-value Apache table called notes that's part of  
 request_rec structure.
 
 It's used to communicate various stuff between modules.
 
 We came across a need to be able to interface to it from Tcl.  We 
 want  to stuff the authenticated username into Apache logs using the 
 % {varname}n option of CustomLog formatting.  To do that we'd stuff 
 a  note with the username and then invoke that note's name in the log.
 
 There are various bits of code to interface to certain tables 
 defined  in the request_rec: headers_in, headers_out, and 
 err_headers_out.  Not  currently used are subprocess_env and notes.
 
 I propose adding a single new C command to Rivet/Tcl to provide  
 interfaces to all these tables for getting, setting and inventorying 
  their contents.
 
 Something like
 
 table get tablename key
 table set tablename key value
 table unset tablename key
 table list tablename
 
 I know there is some ability to support multiple entries with the 
 same  key.  Right now I'm punting on that but I suppose it might 
 need that.   Perhaps
 
 table add tablename key value
 
 Anybody have any thoughts, concerns, objections, accolades, remarks, 
  hot buttons, flames, etc?
 
 Really I only need an interface to notes but I figured 
 subprocess_env  could be a good one to be able to mess with as well, 
 at least.   Conceivably we could eventually simplify by using a more 
 uniform  interface at the C level as well.  I've got it coded but 
 haven't  tested it yet.
 
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Universita' degli Studi di Parma (http://www.unipr.it)


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