On Sat, 8 Mar 2003, Stas Bekman wrote:
Ruslan U. Zakirov wrote:
Hello All! "Stacked handlers" is a very useful technology, but as I think incomplete. I need some suggestions. My project split content handler in the few parts. And each handler send part of the requested page to user, but sometimes I must stop proccessing and return DECLINE, redirect user or return some ERROR. Error appear in the middle of the page. I want Apache to buffer content and send it after last handler in chain return OK. Is it possible?
Sure, you can buffer the data using $r->notes or $r->pnotes and have the last handler send it out. But instead of stuffing the content there, you are probably better off (more efficient?) to create a buffering class, instantiate an instance, and store it in $r->pnotes between invocations.
Hello Stas and other! Thanks for idea, but it force me to change all scripts.
Another alternative is to try using Apache::Filter for the buffering and $r->notes/pnotes for flow control (so you can inform Apache::Filter what to do with the buffered data). mod_perl 2.0 filters are probably more flexible, but I see no reason why mp1's Apache::Filter won't do the job.
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