Hi Marcio,

Did you have an eye to the on-rev / irev technology. It's definitively the most usable way to go, from yet. Even if CGI and PHP/Rev Stacks went good underground ways to use, over the 15 past yahrs, the revServer witch will be made public and free available in the forecoming months by RunRev is a very stable et fast running engine from yet.

About your multi-threading need, i can't help, for yet, as long as we can't see how the revServer is / is'nt able for yet (it could be, at least with a adapted xinetd config under linux - i did so for metacard/ suse, yahrs ago) to handle multi-thread.

Instead of devlopping your own framework first, why would you not try to test your project design in using the on-rev platform ? I use it for my own (two projects up and running, the thirst is on desk) with great satisfaction.

Kind regards,

P.

Le 27 févr. 10 à 12:31, Marcio Alexandroni a écrit :

Hi Bernard,

I visited the page about the mechanism you pointed, but in that case it has an Apache/PHP server that handles multiple concurrent connections but it ends up passing the request to a Rev application using Sockets that will cause the same queuing on message processing. In fact, the requests to the server are multithreaded but the processing is not, as I could understand.
Did I understand it right?

Regards,

Marcio Alexandroni
www.cialogica.com.br
( (11) 9989-8316
 marcioalexandroni
--



From: Bernard Devlin <[email protected]>
Reply-To: How to use Revolution <[email protected]>
Date: Sat, 27 Feb 2010 09:43:17 +0000
To: How to use Revolution <[email protected]>
Subject: Re: Ideas to simulate a multithreaded sockets server

On Fri, Feb 26, 2010 at 6:28 PM, Marcio Alexandroni
<[email protected]> wrote:
The applications runs pure TCP/IP with a custom protocol to exchange data and it handles dozens of simultaneous calls at the same time, this is why it must be multithreaded, the queuing will not work in this case because of the
time it would need to respond to the last caller.

Hello Marcio, your fellow Brazilian is one of the experts on rev- built
http servers, so I'm sure he'll answer your question in detail soon.

However, whilst he's sleeping, let me just point you to this
mechanism: http://www2.sahores-conseil.com/insead/index_en.html .
Pierre used that mechanism deployed (I believe) to the French Ministry
of Education, and it was a system used by students across France.
Since you need raw TCP/IP it doesn't sound like it will meet your
needs.

Whilst Rev is not multi-threaded, can I just ask if you are using the
following format in your code:

accept [datagram] connections on port number with message callbackMessage

If so, then elsewhere in your code you may be able use the following
structure at places where you can accept potential interruptions:

wait 10 milliseconds with messages

When an existing connection's processing gets temporarily suspended by
the "wait", it means that a new connection can be accepted and
processing for that new connection can begin.

These two together can provide a kind of message-passing concurrency.
For example, that is similar to the way that 'concurrent' processing
is done in Tcl (http://www.stanford.edu/~ouster/cgi-bin/papers/threads.pdf )
,

Regards,

Bernard
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--
Pierre Sahores
mobile : (33) 6 03 95 77 70

www.woooooooords.com
www.sahores-conseil.com






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