Function GetSendAddr

library/cpp/neh/udp.cpp:56–77

        };

        static inline IRemoteAddrPtr GetSendAddr(SOCKET s) {
            IRemoteAddrPtr local = GetSockAddr(s);
            const sockaddr* addr = local->Addr();

            switch (addr->sa_family) {
                case AF_INET: {
                    const TIpAddress a = *(const sockaddr_in*)addr;

                    return MakeHolder<TIPv4Addr>(TIpAddress(InetToHost(INADDR_LOOPBACK), a.Port()));
                }

                case AF_INET6: {
                    sockaddr_in6 a = *(const sockaddr_in6*)addr;

                    a.sin6_addr = in6addr_loopback;

                    return MakeHolder<TIPv6Addr>(a);
                }
            }

            ythrow yexception() << "unsupported";
        }

        typedef ui32 TCheckSum;