Dar,
On Wednesday, August 6, 2003, at 03:32 AM, Pierre Sahores wrote:
Because the answers have to do with the OS the deamon apps are running on, what are the platform's operating systems your are developing for (MacOSX, Win32, Linux,...) ?
I want it all! Let's start with Win32 (or a subset) or OS X.
Dar Scott
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At the begining of the story (1997), i was, as lots others, searching a way to set-up a little web-driven flat-files database server. At that time, i was mostly interesting in running the stuff under the MacOS/Webstar platform.
After testing lots of stuffs and possibles ways to do the trick (FileMaker, Frontier, Lasso, Visual Cafe, 4D, MacPerl, AppleScript, Live-Card, etc...), i went back to my lovely Hypercard 2.35, found a WebStar doc about the way to use to set-up a "Hello world !' CGI in using HC...
Because MacOS was not able to handle the way the CGI's are running as scripts under *NIX, the only way to have HC-based CGI up was to have the HC app running along WebStar and to let the two apps communicate trough appleevents. After lots of tunning, this way became rally usefull and i used it to build some MacOS web apps.
(re)Because Apple shooted HC, i went to Metacard and because MacOSX did'nt come out, while i was waiting for more than a beta OS (Rhapsody), i went to Linux (1999) and worked hard to set-up Metacard, not as a CGI-engine but (in about speed and security considerations, i had successfully experimented under MacOS8), to have it up as a long-running application process, in compliance with the Init System V guilde-lines.
With the help of Scott (Raney), and some times against his advices !!! (the .php-based sockets listener, witch i still recommand) and Andu (Novac), i find out the way to get the expected results (see the metacard archives list).
...
As Revolution is yet in front of the stage, i would recommand you to use it instead of MC to go head in building XTalk's based "three parts networked apps".
All what i learned in about this mather is only "work in progress" (SQL servers handling trough shell() has to be replaced by the build-in "Rev-DB" facilities) but what i experimented, along those years, is that the RR(MC) engine rocks in serving critical web's and erp's dedicated apps over the internet.
As a possible starter point, i recommand you to read the Sadhu's how-to, witch explain how he builded, in some hours, his first MC-based deamon to serve datas over the web to a MC-based client-side front-end. In between other places, you will find it at <ftp://crdp.intereduc.net/howto.html>.
Search too about a recent (july) general post i did on the Rev's list.
Win32 is able to host such apps too, as long as the apps are launched in graphical mode, even id they are only working just as *NIX deamon apps would do.
MacOSX is able to run them in both the *NIX and Win32 ways but i did'nt have time to test the first one, at this point.
...
Alike Richard, Kevin, Tuviah and others, i belive that Revolution can take-off in about the great internet apps framework he is (even if just some ones of us are still using it in this way), if we can explain how it let us build critical apps without the inconvience of using too trivial or unsuitables tools, java included.
Ask for more technical tasks, if needed.
Bests,
-- Bien cordialement, Pierre Sahores
Inspection académique de Seine-Saint-Denis Serveurs d'applications et SGBDR (Web/PGI) Penser et produire l'avantage compétitif
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