Re: [lwip-users] Obtaining destination ip address from udp callback

[Simon Goldschmidt]

Charles Yarnold wrote:
> Reading through lwip's udp.h and udp.cpp I'm unable to find where I could 
> pull this information
> from when the udp recv callback is triggered. It seems to pass the source ip 
> and port but not the
> destination ip. Destination ip also doesn't seem to be included in the 
> udp_pcb struct, only ports.

You're correct that destination address is not part of the callback arguments. 
Have a look at 'ip_current_dest_addr()', defined in ip.h.


Simon