> -----Original Message-----
> From: solprovider@xxxxxxxxx [mailto:solprovider@xxxxxxxxx] On
>
> Splitting a stream is useful. Older people remember when forms were
> sent in triplicate. Then office workers made a copy of every paper to
> cross their desks. Now smart people keep a copy of every file passed
> to others.
>
> Splitting a stream is not unusual. Unix has the "tee" command.
> Apache Cocoon has the TeeTransformer. Apache httpd copies part of
> each request into the log before fulfilling the request.
>
> Splitting a stream is easy:
> while(b = in.read()){ out1.write(b); out2.write(b); }
The *concept* isn't unusual - what's complicated is applying the concept
to *HTTP*. I think, rather than having to write a web-server, the OP was
hoping it could be done using config directives - maybe something like:
ProxyPassSplitStream / http://server1
ProxyPassSplitStream / http://server2
Rgds,
Owen Boyle
Disclaimer: Any disclaimer attached to this message may be ignored.
>
> Discarding the output from the test server is difficult, but not
> impossible. When configuring the server for the above code:
> Connection1 = client<-->splitter
> Connection2 = splitter<-->production server
> Connection3 = splitter<-->test server
> The splitter should compare responses from the production and test
> servers and log the differences.
>
> I am uncertain this functionality should be added to Apache httpd. I
> recommend writing a simple fast dedicated server to handle splitting,
> logging, and comparing. That server could be added and removed from
> the production stream without affecting the other servers beyond an IP
> address configuration change.
>
> solprovider
>
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