Re: [naviserver-devel] Anyway to disable Transfer-Encoding for /*.tcl pages?

[Vlad S. <vl...@cr...>]

Try latest CVS version, it will work correctly now. Other solution to 
remove charset parameters in the ns/paramaters section, this way no 
encoding will be performed

Michael A. Cleverly wrote:
> Is there a way to disable using chunked encoding to reply to a
> particular request?
> 
> AFAICT (with enabletclpages on), any *.tcl page under the documentroot will
> have its content returned to the user with a Transfer-Encoding: chunked,
> regardless of whether the request is HTTP/0.9, HTTP/1.0 or HTTP/1.1.
> 
> For modern browsers this isn't an issue as they'll generally always make
> (and understand a response in) HTTP/1.1 requests. But for some clients
> (i.e., Lynx, wget, etc.) that don't expect an HTTP/1.1 encoded reply the
> transfer-encoding byte ranges end up being interpreted as part of the
> response body.
> 
> For example, I have the following one line script in
> $NSHOME/pages/hello.tcl:
> 
>     ns_return 200 text/plain "Hello World"
> 
> ## HTTP/1.1 request (expected result)
> michael@ned:/usr/local/ns/pages$ telnet localhost 80
> Trying 127.0.0.1...
> Connected to localhost.
> Escape character is '^]'.
> GET /hello.tcl HTTP/1.1
> Host: localhost
> Connection: close
> 
> HTTP/1.1 200 OK
> MIME-Version: 1.0
> Accept-Ranges: bytes
> Date: Mon, 19 Feb 2007 19:06:01 GMT
> Server: NaviServer/4.99.2
> Content-Type: text/plain; charset=utf-8
> Transfer-Encoding: chunked
> Connection: close
> 
> b
> Hello World
> 0
> 
> Connection closed by foreign host.
> 
> ## HTTP/1.0 request (unexpected result)
> michael@ned:/usr/local/ns/pages$ telnet localhost 80
> Trying 127.0.0.1...
> Connected to localhost.
> Escape character is '^]'.
> GET /hello.tcl HTTP/1.0
> Connection: close
> 
> HTTP/1.1 200 OK
> MIME-Version: 1.0
> Accept-Ranges: bytes
> Date: Mon, 19 Feb 2007 19:06:14 GMT
> Server: NaviServer/4.99.2
> Content-Type: text/plain; charset=utf-8
> Transfer-Encoding: chunked
> Connection: close
> 
> b
> Hello World
> 0
> 
> Connection closed by foreign host.
> 
> ## HTTP/0.9 request (unexpected result; do we need
> ## to even support HTTP/0.9 really?)
> michael@ned:/usr/local/ns/pages$ telnet localhost 80
> Trying 127.0.0.1...
> Connected to localhost.
> Escape character is '^]'.
> GET /hello.tcl
> b
> Hello World
> 0
> 
> Connection closed by foreign host.
> 
> ## From Lynx (unexpected result)
> michael@ned:/usr/local/ns/pages$ lynx -dump http://localhost/hello.tcl
> b
> Hello World
> 0
> 
> (All of the above tested with Naviserver compiled from CVS HEAD as of Feb
> 7th, 2007 & Tcl 8.4.14 under Debian.)
> 
> Thanks,
> 
> Michael
> 
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-- 
Vlad Seryakov
571 262-8608 office
vl...@cr...
http://www.crystalballinc.com/vlad/