Sounds like it would be a good idea to add that. As far as I know, Olaf doesn't work on that anymore. So anyone is free to start maintaining that code. Its in the pure-data SVN.

.hc

On Wed, 2009-07-15 at 17:43 +0200, Nicholas Mariette wrote:

Here's a link to that thread about the SO_BROADCAST option... http://markmail.org/message/s5xygbsbke5ly4bp Nick

On Jul 15, 2009, at 5:40 PM, Nicholas Mariette wrote:

...

hi,

Can anyone advise on whether it's possible to do UDP broadcast (e.g.
to 255.255.255.255 or more limited IP ranges) from netsend~ (by Olaf
Matthes), or even netsend or other network objects?

I've tried this and have not had any luck. I get this error: "connecting stream socket: Permission denied (13)"

I then looked at the code of netsend~. I'm using an updated version available (with source) at: http://www.remu.fr/sound-delta/netsend~/

After some googling around about the (13) error, I tried setting
SO_BROADCAST, which it seems might be necessary to enable broadcast
mode. This didn't help - I still get the permission denied message.

I have then tried several other network objects, like netsend
(control data version), and have had no luck. If I could get any of these going in broadcast mode, I might be able
to modify code to make something work.

I've found some Pd list posts about broadcast working, but haven't
been able to duplicate these results. e.g. http://markmail.org/thread/6bjcfzblukbynchp

I've been working on a simple 192.168.x.x network between 2
computers, with direct message sending working without problems.

I think I'm stuck for further ideas to get broadcast working...

Can anyone suggest a solution - or even a next move?!

cheers Nick

Nicholas Mariette

Researcher Audio and Acoustics group LIMSI-CNRS, Orsay, France http://www.limsi.fr/Scientifique/aa/ http://www.limsi.fr/Scientifique/ps/thmsonesp/SonEspace http://soundsorange.net nicholas.mariette@limsi.fr

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