Web Page Streaming

Hi,
I attempted a prototype to play around with the concept of web Page
Streaming on our V5R4.
The idea being that the browser makes a request to which the server
responds but does not complete the response immediately, thus effecting
a "long open connection". The server writes the response, flushes
stdout, waits for some custom event to occur at the server then repeats
the write and flush to stdout over and over.

The RPG program (or C program for that matter) at the server runs OK and
the fflush() procedure completes without any fuss but the browser does
render any of the response until the program ends, presumably in
accordance with the connection closing. Since the same program executes
as desired, with the appropriate pauses between response chunks, when
run via QSH at the green screen, then I'm guessing that the problem
might be that Apache is performing a blocking response in spite of the
CGI program flushing stdout to send a partial response on it's way to
the browser (IE7 in this case)

Google shows quite a bit of blurb on this but nothing related to i5.
Certainly there are sites (undoubtedly non-i5 hosted) with links that
appear to successfully demonstrate the mechanism, using the same IE7
browser.

I was hoping for a relatively uncomplicated solution to this flushing
thing (no euphemism intended)
There's talk of things like FastCGI performing non-blocking responses
but I don't want to go down that road, especially since Apache does not
have mod_fastcgi installed.

Cheers, Peter


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