'Re: [Mason] finalizing browser connection but still working in background'

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List:       mason
Subject:    Re: [Mason] finalizing browser connection but still working in background
From:       Chris Dawson <cdawson () webiphany ! com>
Date:       2003-10-23 3:28:18
[Download RAW message or body]

Sorry to bother everyone.  The answer to my question is "check the 
error_log."  My code sent to the register_cleanup function was crashing 
and this meant my function was dying at the top.  This was in the error_log.

Thanks,
Chris

Vegard Vesterheim wrote:

>On Wed, 22 Oct 2003 03:09:40 -0700 Chris Dawson <cdawson@webiphany.com> wrote:
>
>  
>
>>Hi there.
>>
>>I want to have a page which has code that generates a fully valid HTML
>>page, returns that page, and then continues to do a small amount of
>>processing in the background before the request is completed.  I have
>>been trying in vain to determine how to do this and my HTML::Mason
>>vocabulary is not adequate for searching on the site. Here is some
>>pseudo-code
>>
>>
>><html>
>><body>
>>% # perl code
>>% $var = 1;
>><% $var %>
>></body>
>></html>
>>
>><%finalize>
>># Mess with something briefly.
>><%/finalize>
>>
>>I know there is no finalize block, but this is basically what I want
>>to do.  There will be absolutely no output from the finalize block,
>>since of course the request has closed by this point.
>>
>>
>>I looked into the abort method and this seems like it aborts the
>>current request, rather than finishing it off first.  I want to make
>>sure the HTML file is completely returned before I can do the things
>>in the finalize section.  I know how to do everything else, but I
>>cannot how to make the browser release the request and display the
>>page while I am still processing in the background.
>>
>>
>>    
>>
>
>You can use the Apache API function register_cleanup to do this. Like this:
>
>$r->register_cleanup (sub {printf STDERR "Cleaning up ..."; sleep 10; printf STDERR "OK\n"});
>
>  
>




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