Subject: RE: [netatalk-admins] how to send messages to netatalk clients
From: Erik Ohlin (eohlin@pacificcolor.com)
Date: Thu Jul 15 1999 - 15:25:24 EDT
There is a team working on something called 'Broadcast for Linux'.
http://www.acm.uiuc.edu/lug/broadcast/
At Thursday, 11:41 AM 7/15/99, you wrote:
> Reply to: RE: [netatalk-admins] how to send messages to
> netatalk client
>
>Claudia Müller wrote:
> >is there any possibility to send messages to users, who work via
> >netatalk on the linux machine? It would be helpfull to inform people
> >befor I shut down the service.
> >I know that with kill -HUP afpd users will be informed, that the
> >services will shut down in 5 Minutes. But is there a way to send
> >messages without killing afpd?
> >
> >Claudia Müller
> >
>
>Quite a while ago I wrote a mac INIT which I called "Msg". When it loads
>it registers itself on the local network as type "Messenger" with the name
>being the current machine name. It then waits until somebody sends it an
>appletalk message at which time it puts up a modal dialog box on the
>user's screen. The dialog box displayed the text of the message. I *do*
>have the source of this somewhere which I will gladly supply as well, but
>for the moment all I have is the INIT. (By my recollection, Msg will
>buffer up to 1500 chars for 6 messages. I didn't like the fact that the
>dialog box was modal which interrupted any ongoing activities, i.e.
>printing a large file would cause the printer connection to timeout unless
>you were right there to say "OK" to the dialog box. But once you have the
>source for that, you can change that behaviour too!)
>
>Later when I started using linux and netatalk I wrote a sample program
>would allow somebody to send a message to any machine that has the "Msg"
>INIT running. Example session:
>
>(root on lx3) atalktest # ptest1
>
>Usage: ptest1 <recipient> "message to send"
>
>(root on lx3) atalktest # ptest1 "ECRM" "Just saying hi"
>ECRM Messenger *
>nn_sat.sat_addr.s_node = 130
>nn_sat.sat_addr.s_net = 65281
>nn_sat.sat_port = 251
>Normal completeion! Message=
>(root on lx3) atalktest #
>
>At this point the Mac called "ECRM" would have a modal dialog box up and
>display the sample message above ("Just saying hi!") until somebody
>presses the OK button.
>
>The files can be found at ftp.powervue.com in the /pub/messenger directory:
>
>-rw-r--r-- 1 peterg users 354 Jul 15 11:11 Makefile
>-rw-r--r-- 1 peterg users 8981 Jul 15 11:10 Msg.hqx
>{ contains Msg: put into Extensions folder }
>-rwxr-xr-x 1 peterg users 15430 Jul 15 11:11 ptest1
>-rw-r--r-- 1 peterg users 2224 Jul 15 11:11 ptest1.c
>-rw-r--r-- 1 peterg users 2736 Jul 15 11:11 ptest1.o
>
>You probably need to adjust the Makefile to point correctly to where your
>libatalk.a is located. Keep in mind that this is just a sample program and
>will give you a start toward making something more functional.
>
>Peter Gutowski
>
>Power-Vue Graphics
>
>
--- <-------------------------------------------------------------> | Erik Ohlin mailto:eohlin@pacificcolor.com (760)438-8933 | | Pacific Color http://www.pacificcolor.com fax:(760)438-8414 | | 1916 Palomar Oaks Way, Suite 100, Carlsbad, CA 92008 | <------------------------------------------------------------->
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