Le 20 sept. 2009 à 15:55, Jim Ault a écrit :
Programs and scripts running on a web server are running under
Apache, which has environment variables set when it loads. I don't
know of a way that a process running in Apache can open and close
sockets between processes. Opening and using sockets to the network
is done all the time.
Jim Bufalini correctly mentions the POST command as a way of using
port 80, a default for Apache.
I think you would have to modify the httpd.conf file and tell Apache
to listen on those ports.
One catch to this is that any program or script that is opened in
Apache would be working with that port.
I am not certain that it is possible to modify this file in an one-rev
account.
One serious difficulty with this is that Apache will launch a
script, run it, then clear that memory. The next request starts a
new instance of the script. This is how multiple users can access
the same 'web page' and see it as their own session. The process in
Apache dies after the page is sent to the browser, thus there is no
running program in Apache to receive the packets sent.
I believed naively that a script .irev behaved like a stack and
"persist" in memory. I conclude that a .irev with an on-rev web
account does nothing more than a "ordinary" hosting account with
Revolution CGIs.
Basically, everything on a web server is accessed by telling Apache
what you want and how you want it.
I would like to learn more about On-Rev surprising features and
limitations so feel free to jump in if my comments are not telling
the whole story.
Jim Ault
Las Vegas
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