6 messages in org.apache.perl.modperlAW: Reading post-data
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Reif PeterJun 11, 2007 2:50 am 
Jani M.Jun 11, 2007 3:56 am 
Reif PeterJun 11, 2007 11:43 pm 
Reif PeterJun 19, 2007 11:44 pm 
Fred MoyerJun 19, 2007 11:59 pm 
Reif PeterJun 20, 2007 12:34 am 
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Subject:AW: Reading post-dataActions...
From:Reif Peter (ga@adv.magwien.gv.at)
Date:Jun 20, 2007 12:34:42 am
List:org.apache.perl.modperl

Yes, this code works and I am using it, too. But the documentation says, you can use $r->read($buf, $r->headers_in->{'content-length'}

this statement reads the entire request content in one iteration by using a read buffer size equal to the content-length of the request.

http://perl.apache.org/docs/2.0/user/porting/compat.html I want to know if the documentation is wrong, and if it is wrong, it should be corrected!

I'm not sure if there is anything wrong with it, seems like a good way to slurp the request content.

If the request content is large and you are performing a memory intensive operation on each chunk then you might want to read in a while loop as in your first example and perform some work on each chunk, so that the overall memory usage is low.

Please read my initial posting:

... But there are two problems with $r->read($buf, $r->headers_in->{'content-length'}

1. An input filter can change the length of the incoming content. It can be longer than before, but the content-length header will not be changed, so some data will be missing.

2. If the POST data are sent per chunked encoding, there is no content-length header at all.

Peter