Re: [lwip-devel] UDP iperf_server hints

[Dirk Ziegelmeier]

TFTP is an example UDP application

https://git.savannah.gnu.org/cgit/lwip.git/tree/src/apps/tftp/tftp_server.c

HTH
Dirk

On Fri, Sep 21, 2018 at 4:21 PM antonio <address@hidden> wrote:

Hi all,
Any hints how to add UDP functionality (I am thinking more about server. I
can add a client later)?

I have a basic idea.

iperf_udpserver_init()
1. create a UDP PCB
2. Bind UDP PCP
2.1 create/alloc a iperf_state
3. set UDP PCB recv function -> pass recv_fn and iperf_state

On upd_recv_fun
1. if pbuf is not NULL, read number of bytes (p->tot_len), free pbuf.
2. if pbuf is NULL client is gone.

Any hints are welcome.

Thanks in advance.



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