[PD] UDP server with Pd

[Christof Ressi]

> While we're at it, it seems [netreceive] (in TCP mode) can only send
> back to all connected clients, but not to a specific one.
Actually, a [sendto( message for [netreceive] would already allow you to 
build a fully functional UDP server in Pd vanilla.

BTW, there is a [udpserver] object in iemnet, but it's not really usable 
yet (it only allows to send messages to the last sender).

Christof

On 01.06.2021 22:55, Roman Haefeli wrote:
> Hey all
>
> I would like to open a datagram listening socket and be able to send
> back to clients from which I received messages. It seems both [netsend
> -u] and (obviously) [netreceive -u] actually can open a listening
> socket. However, [netreceive -u] can't send anything back. While
> [netsend -u] can send messages back, it doesn't show the source address
> of the incoming packets. And using [netreceive -u] for receiving and
> [netsend -u] for sending back doesn't work, because for the packets to
> arrive at the client, they need to be sent from the same port that is
> already occupied by [netreceive].
>
> Yet, as long as I used TCP and iemnet, this was possible. However, as
> far as I can tell, it's not possible with UDP, neither with iemnet nor
> with Pd's built-in classes.
>
> Is that something worth to make a feature request for?
>
> While we're at it, it seems [netreceive] (in TCP mode) can only send
> back to all connected clients, but not to a specific one.
>
> Roman
>
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