I hope I’m not butting in where I have no business, but I’d like to mention that Ross Bencina’s ‘OSCGroups’ (http://www.rossbencina.com/code/oscgroups) does an excellent job of handling group formation, broadcast and NAT tunneling. Our group has been using it for over fifteen years, and it’s as solid as a rock. It may not be Pd-native, but it does the job extremely well.

Best,

Phil Stone

Davis, CA

From: Christof Ressi <info@christofressi.com>
To: Pd-List <pd-list@lists.iem.at>
Subject: Re: [PD] UDP server with Pd
Message-ID: <06b68c67-a27e-81d8-4b6e-5b60db9436c5@christofressi.com>
Content-Type: text/plain; charset="utf-8"; Format="flowed"

If you want the server to reply only to the current client,
[iemnet/udpserver] actually works fine (despite the error message in the
console): the list method will send the packet to the source address of
the most recently received packet.

However, if you need to send packets to several/all registered clients,
e.g. like a game server, this doesn't work (yet).

Christof

On 02.06.2021 08:54, Roman Haefeli wrote:
> On Tue, 2021-06-01 at 15:27 -0700, Miller Puckette via Pd-list wrote:
>> One solution (which the conniption server/client and quacktrip both
>> use in somewhat different ways) is for a "netreceive" object to wait
>> for an incoming connection and then, once one arrives, immediately to
>> close
>> its own listening port and for a "nestsend" in the same patch to open
>> a connection to the IP and port that the "netreceive" reported (via
>> its
>> second outlet).  It's a bit complicated but gets the job done.
> That absolutely works. And since that can be done in zero logical time,
> [netsend]  doesn't claim any packets coming in on the port "shared"
> with [netreceive]. Cheers to Pd's determinism!
>
> That opens up an a lot of new things to explore for me. Thanks!
>
> Roman
>
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