Pktinfo #1021
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Pktinfo #1021
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To enable this, the socket option IP_PKTINFO must be set first:
int fd;
ubase_assert(upipe_udpsrc_get_fd(upipe_udpsrc, &fd));
const int yes = 1;
if (setsockopt(fd, IPPROTO_IP, IP_PKTINFO, &yes, sizeof(yes)) < 0) {
perror("setsockopt");
return 1;
}
Define _GNU_SOURCE to pull in the IPv6 Advanced Socket API
We need to set the source address Also sets cmsg correctly
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Sets interface index for each uref on udp source
TODO: