Re: [lwip-users] UDP socket receive

[Gisle Vanem]

"Gisle Vanem" <address@hidden> wrote:

> > addr.sin_len=sizeof(addr);
> > addr.sin_family=AF_INET;
> > addr.sin_port=PP_HTONS(MyPort);
> > addr.sin_addr.s_addr=PP_HTONL(INADDR_ANY);
> > s=socket(AF_INET, SOCK_DGRAM, 0);
> > ret=connect(s, (struct sockaddr*)&addr, sizeof(addr));
> >
> > ret=read(s, buffer, size);
> >
> > The calls are all successful, read is waiting. I can see the udp frame coming
> > in with the right port. However the frame is discarded in udp_input:
>
> You'll have to add a call to bind(). Something like:

Forgot to say; drop the connect(). Use bind() between the socket() and
the read().

--gv