Cause, after studying about sockets using Rev's "chat server/client"
sample
stack (thank you to Bill Vlahos for pointing it out), I'm now trying
to get
a Rev cgi script to act as the server (the script will be in my on-
rev
Rev-cgi folder).
Unfortunately, what works locally isn't at all on the web.
Wouldn't you have to use Fast CGI for that?
Normally a CGI script only runs as a single instance when called, and
then immediately quits. If called again, it relaunches, but is a
separate instance with no common variables unless a programmer does
something to create "session variables".
In PHP, the use of globals is a serious security hazard since these
areas of memory can be hijacked by inventive bots and programmers and
cause havoc, such as denial of service attacks and spambots.
Further, the customer of a hosting company does not get to change the
firewall settings (TCP and UDP) so you would have to use the existing
port configuration.
Locally, if you changed the httpd.conf file to have Apache listen at
ports other than just port 80, then rebooted it, Apache could get
packets on ports such as 1987.
A hosting company, even the one in Texas that is used by On-Rev,
probably would not allow a request to reconfigure your account. This
is an area I know little about for General hosting, but I do have
several Rev apps running in a Private data center where firewall
requests are handled by the tech group and have to get approval. I
write connection software for the company that owns the data center,
otherwise I would have no chance of submitting work orders to make
changes.
I would suggest you contact the On-Rev hosting company and ask how
they are setup to allow chat server programs to operate on their
system. It could be that cPanel has a tool for doing that on a port
that is already configured. If you are not familiar with cPanel (as I
am not).
You should Google "cPanel chat server"
and do some reading to get to know exactly what you want, then
hopefully it is possible. It would be cool if it were easy, and then
you could let us know a few details when you are up and running.
Jim Ault
Las Vegas
On Jan 18, 2010, at 12:54 AM, Nicolas Cueto wrote:
Why do I ask?
Cause, after studying about sockets using Rev's "chat server/client"
sample
stack (thank you to Bill Vlahos for pointing it out), I'm now trying
to get
a Rev cgi script to act as the server (the script will be in my on-
rev
Rev-cgi folder).
Unfortunately, what works locally isn't at all on the web.
If it helps, here's the Rev cgi server-script and a snippet of the
client
stack:
/////////////// Rev.cgi server
script ////////////////////////////////
#!MyRevEngine -ui
on startup
accept connections on port 1987 with message chatConnected
end startup
on chatConnected s -- s contains address and port of connecting
computer
read from socket s for 1 line
put line 1 of it into tSocket
put "Hello world" && tSocket into message
write message to socket tSocket
close socket tSocket
end chatConnected
/////////////////// client stack ///////////////////////////
on mouseUp
open socket to "myurl.com/cgi-bin/server.cgi:1987" with message
"chatConnected"
end mouseUp
on chatConnected s
put s into lChatSocket
read from socket s with message chatReceived
end chatConnected
on chatReceived s,data
put data & return after field "responses"
read from socket s with message chatReceived
end chatReceived
//////////////////////////////////////////////////////////////////////////////
Apologies if I'm asking for excessive hand-holding.
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