Re: [AOLSERVER] Compression

[Dave Bauer]

I hope we can hear some more about this, I would like to be able to
have output from OpenACS compressed simply like that.

It would actually be a compelling reason to upgrade.

I seriously would like to see much more interest in useful software
than the color of the lines on a logo!

Dave
On Tue, Apr 8, 2008 at 8:45 PM, Dave Bauer <[EMAIL PROTECTED]> wrote:
> I hope we can hear some more about this, I would like to be able to
>  have output from OpenACS compressed simply like that.
>
>  It would actually be a compelling reason to upgrade.
>
>  I seriously would like to see much more interest in useful software
>  than the color of the lines on a logo!
>
>  Dave
>
>
>
>  On Tue, Apr 8, 2008 at 6:44 PM, Brett Schwarz <[EMAIL PROTECTED]> wrote:
>  > Hey John,
>  >
>  >  I use something similar...in fact I think I stole it from an older post 
> from you, IIRC. However, I guess my point was, that the mechanism is all 
> there in 4.5. The *only* thing that is needed for ns_return's to return 
> compressed data is to set a flag (via Ns_ConnSetGzipFlag)...that's it. It's 
> seems like a shame to me to let that go to waste...
>  >
>  >  Thanks,
>  >      --brett
>  >
>  >
>  >
>  >  ----- Original Message ----
>  >  From: John Buckman <[EMAIL PROTECTED]>
>  >  To: AOLSERVER@LISTSERV.AOL.COM
>  >  Sent: Tuesday, April 8, 2008 2:59:44 PM
>  >  Subject: Re: [AOLSERVER] Compression
>  >
>  >  On Apr 8, 2008, at 1:54 PM, Brett Schwarz wrote:
>  >
>  >  > So, from my reading, its seems as though that in 4.5, we got on the
>  >  > fly ADP page compression. However, it seems as though there isn't
>  >  > comparable functionality for Tcl files (i.e. ns_return). I know
>  >  > there are some work arounds, but I was just curious why this was
>  >  > not implemented in the core? I took a look at the sources, and it
>  >  > looks fairly straight forward to add this functionality. I see
>  >  > there are three possibilities:
>  >  >
>  >  > 1) modify ns_return to take a flag. The optional connid parameter
>  >  > makes parsing the args a little trickier.
>  >  > Current:
>  >  >    ns_return ?connid? status type string  (is connid ever used??)
>  >
>  >  I use:
>  >  ns_return_gzipped $conn $x
>  >
>  >  which is this, and works very reliably:
>  >
>  >  proc ns_return_gzipped {conn html} {
>  >     if {[string first {gzip} [ns_set get [ns_conn headers] {Accept-
>  >  Encoding}]] == -1} {
>  >         ns_return $conn 200 text/html $html
>  >         return TCL_OK
>  >     }
>  >
>  >     # john 9/21/07 -- found that we need to convert to utf-8, it isn't
>  >  automatic
>  >     set zl [ns_zlib gzip [encoding convertto utf-8 $html]]
>  >  set h [subst {HTTP/1.0 200 OK
>  >  MIME-Version: 1.0
>  >  Server: MoochServer/4.5.0a
>  >  Connection: close
>  >  Content-Type: text/html; charset=utf-8
>  >  Content-Length: [string length $zl]
>  >  Content-Encoding: gzip
>  >
>  >  $zl}]
>  >
>  >     ns_write $conn $h
>  >      return TCL_OK
>  >  }
>  >
>  >
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>  >
>  >
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>
>  --
>  Dave Bauer
>  [EMAIL PROTECTED]
>  http://www.solutiongrove.com
>



-- 
Dave Bauer
[EMAIL PROTECTED]
http://www.solutiongrove.com


--
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