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: [email protected]
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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