Chris Jacobson wrote:
Stas Bekman wrote:

Chris Jacobson wrote:

Hello,

I am attempting to write a system which allows output filters to be dynamicaly pushed on the output filter stack at the end of a PerlResponseHandler.



That doesn't make any sense, Chris. By the end of the PerlResponseHandler the response is gone and there is nothing to filter. You can only add it *before* you start sending any data.

Sorry about that. I am attempting to push the output filter handler before the end of the PerlResponseHandler. The code snippet from before which is generating the filter objects is run before calling $r->print().

That's better :)

The fact that you get a segfault is not good, we should take care of that. regardless you code is incorrect.

I can not seem to get anything to work here except a simple coderef. This defeats my entire purpose of dynamically pushing filter handlers, if they can only be a simple subroutine. Is there any possible way to use an object as a filter handler, or can it only be a monolithic subroutine code reference?



Filter handlers are very similar to all other mod_perl handlers, so whatever works for mod_perl handlers works should work for filters. I haven't tried using objects as filter handlers. May be in a few days unless someone beats me to it.

Thanks for the response. I will keep tinkering with it over the weekend to see if I can resolve the seg faults.

I suppose we didn't put enough defense in the code accepting the callback argument, expecting the user to do the right thing.


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