[JDEV] A Jabber 'client deamon'

[Joe Hildebrand]

You could have a daemon that creates a long-lived jabber connection,
then listens on [local IPC mechanism of your choice].  

As Craig and I proved to ourselves one day, there are at *least* 20
ways to do that.  Here are a couple:

- TCP socket
- Named pipe
- Shared mem
- SysV ipc queue

I'd recommend using JECL, and using the SocketPool to listen for
connections locally.

Jan Fabry <jan.fabry at vsknet.be> writes:

> Hello,
>
> I'll try to explain my idea, but feel free to ask questions if
> anything is unclear!
>
> I was thinking about some sort of 'client deamon' for Jabber. The
> situation I'm confronted with is the following:
>
> I have a website running MyPHPNuke (a Content Management System -
> visitors can enter news, which I then review and eventually post on
> the page - in some ways similar to Slashdot). Every time someone
> enters a new news item, I would like to be notified of this. Jabber
> seems like a good way to do this.
>
> However, there is a problem. Every time I want to send a message, a
> connection to Jabber should be open. I can do this with Perl, but I
> still need to sleep() some time, because I'm waiting for the Jabber
> server to respond. When the connection is open, I can send my
> message. After this, the connection is closed, and the page can finish
> loading.
>
> Schematic view:
> 1. User submits new story
> 2. Server starts new process to handle this request
> 3. Server process opens connection to Jabber server
> 4. Server process sends message
> 5. Server process closes connection to Jabber server
> 6. Server process returns page to user
>
> Can you see the problem? Steps 3 and 5 should be avoidable.
>
> My suggestion is:
>
> At boot time, some sort of 'client deamon' is started, and it logs in
> to the Jabber server. When I want a PHP script to send a message to
> me, it only does a small call to some application, that then connects
> to the daemon to send it.
>
> Maybe there this should work in two ways: I can send a message to 'the
> machine', to execute some task.
>
> I'm sorry if all this sounds confusing, but I don't know how to
> explain it otherwise.
>
> Greetings,
>
> Jan Fabry
> -- 
> Vlaamse Scholierenkoepel vzw
> Paleizenstraat 90
> 1030 Brussel
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> 02-215 41 78 (fax)
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>
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-- 
Joe Hildebrand
Chief Architect
Jabber, Inc.
http://www.jabber.com/