On Dec 7, 2006, at 3:37 PM, Sumit Shah wrote:
I want the request to come to My::RequestHandler FIRST and then go
to the ProxyPass Directive. It does not do this. It BYPASSES my
handler and goes to the Reverse Proxy.
I would appreciate any suggestions.
The Apache configuration doesn't process commands in the order that
they appear. It processes in the order that the request is
processed , as per the appropriate hook.
Look at this Apache Core API doc:
http://httpd.apache.org/docs/2.0/developer/request.html
Basically, during the request parsing phase, you have this:
Hook: translate_name
Hook: map_to_storage -- mod_proxy is always called here
Hook: header_parser -- you're calling mod_perl here
Now look at the MP docs
http://perl.apache.org/docs/2.0/user/handlers/http.html
"""
From the diagram it can be seen that an HTTP request is processed by
12 phases, executed in the following order:
PerlPostReadRequestHandler (PerlInitHandler)
PerlTransHandler
PerlMapToStorageHandler
PerlHeaderParserHandler (PerlInitHandler)
PerlAccessHandler
PerlAuthenHandler
PerlAuthzHandler
PerlTypeHandler
PerlFixupHandler
PerlResponseHandler
PerlLogHandler
PerlCleanupHandler
"""
So you've got the chance to call a mp hook on
PerlPostReadRequestHandler or PerlTransHandler
Unfortunately, for that to happen under the current design of Apache/
ModPerl/and ModProxy, you probably won't have the data you want
available ( i believe you only have access to the URI at that phase )
In order to get what you want done, you'll have to handle the Proxy
internally -- ie, write a perl handler that will fetch the page using
LWP or something, and then pass that content on.
See the current thread "using subrequest to different server"
// Jonathan Vanasco
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