mercredi 26 avril 2017

Need to setsockopt at the SOL_SOCKET and IPPROTO_IP levels

So basically I currently have my socket set up with:

setsockopt(nativeSock, SOL_SOCKET, SO_TIMESTAMPING,
            &so_timestamping_flags, sizeof(so_timestamping_flags)

because, I need access to the msghdr for timestamping reasons. However, I also need access to the iphdr to pull ttl and a few other values from incoming datagrams.

Is it possible to setsockopts at more than one level per socket?

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