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World: r3wp

[!Cheyenne] Discussions about the Cheyenne Web Server

Robert
2-Jun-2007
[772]
Gabrielle, what's "CGI emulation mode"? Is it CGI mode or TCP/IP 
mode connected to FastCGI?
Terry
2-Jun-2007
[773]
Not having much luck with PHP... test.php would rather download than 
execute.
Gabriele
2-Jun-2007
[774]
robert, by default Command does fast cgi in cgi emulation mode. this 
way nothing changes for the cgi script except that words/values persist 
across invocations.
Robert
2-Jun-2007
[775]
Ah, didn't know that. So, I run the RS server part via command and 
see what happens. Will do so.
Gabriele
2-Jun-2007
[776x5]
yep.
could just mean renaming your .cgi file to .fcgi.
the shebang stays as usual (command -cs)
command will detect tha apache called it as fastcgi and will stay 
running
apache may run n of them though, so be careful with concurrency issues 
on files you access from services.
Robert
2-Jun-2007
[781x2]
ok, thanks.
Alsways do a fast COMMIT ;-) and no nested transactions.
Terry
2-Jun-2007
[783x6]
Ok.. PHP is running on XP.. 
uncomment this line in httpd.cfg

bind fastcgi to [.php .php3 .php4]
So Nenad, are you considering a more native PHP implemenation to 
increase performance?
It will be interesting to see what kind of mashups we can do between 
Rebol and PHP.
I've found PHP's XML handling particularily nice.
Nenad, would there be some way to post-process the php?
Possible to make the PHP handler a module as well?
PHP's mem footprint is relatively small .. around 5mb...  whereas 
Cheyenne appears to be running 3 instances of Rebol  totalling 25mb.
Gabriele
2-Jun-2007
[789]
that's funny, because www.rebol.net has been running for years with 
many rebol cgi stuff, this altme world, ios servers etc. without 
ever touching the swap. as soon as we installed mediawiki, with just 
me and carl using it, it started swapping. :)
Terry
2-Jun-2007
[790]
Any sort of heavy load causes php-cgi.exe to crash...
Dockimbel
2-Jun-2007
[791]
Pre or post-processing PHP: currently it would require a dedicaded 
mod to achieve that.
Terry
2-Jun-2007
[792x2]
Seems like a 'best of both worlds'
Another thing to note when downloading the PHP binaries is renaming 
the php.ini-dist file to php.ini
Graham
2-Jun-2007
[794x4]
Looks my old rsp application needs a few changes to run under this 
version of cheyenne
do-sql ?
Is a connection opened somewhere to a sql database?
Or, do I edit cheyenne.r to do that?
Dockimbel
2-Jun-2007
[798x3]
Right, using 'do-SQL makes Cheyenne manage the connection for you. 
You need to define your DB connections specs in the httpd.cfg file, 
like this for example :
databases [
		bugs	mysql://[root-:-localhost]/bugs
		forum	mysql://root:[admin-:-localhost]/forum
		test	mysql://[root-:-localhost]/test
	]
then, if you're not using RT's DB drivers, you need to load your 
driver somewhere : %misc/rsp-init.r or %www/your-app/app-init.r (if 
you've defined a webapp) are good places to do so.
Graham
2-Jun-2007
[801x2]
this is a lot more complicated than the 2005 version :)
so, to send a query to "bugs" ?
Dockimbel
2-Jun-2007
[803x2]
DO-SQL syntax : do-sql [db [word!] data [string! block! word!] /flat]
The RSP engine will do all the opening/closing work for you
Graham
2-Jun-2007
[805x2]
why do you want to close the db connection?
Can't you leave it open all the time?
Dockimbel
2-Jun-2007
[807]
re 2005 version: you're don't need to use do-sql if you don't want 
to. You can do it as usual by opening connection, sending query...closing 
connection. do-sql is just a higher level wrapper to save you some 
time.
Graham
2-Jun-2007
[808x2]
do-sql [ bugs {select * from database} ]   ?
before I just opened the odbc connection when cheyenne started and 
just kept reusing the connection
Dockimbel
2-Jun-2007
[810]
the DB connection is done from one of the bg helper process, so if 
the process quits, it should close the DB connection properly.
Graham
2-Jun-2007
[811]
I c
Dockimbel
2-Jun-2007
[812x3]
nope, I've just copy/paste the do-sql func spec block, sorry for 
being confusing.
do-sql 'bugs "select * from database"
do-sql leaves the DB connection opened until the process quits.
Graham
2-Jun-2007
[815x3]
ahh....
and there's a query object that holds the result of the do-sql ?
I'm looking at the rsp-api.html and don't see anything there
Dockimbel
2-Jun-2007
[818x4]
The "Global Functions" and DB-object cache are not yet documented.
'do-sql returns the resulting recordset
DB-object cache => DB-cache
the current rsp-api doc is just an API reference documentation, I'll 
provide a more general explanation about RSP concepts and features 
separately in a few days.