Function GetSendErrorFromErrno

library/cpp/netliba/v12/udp_socket.cpp:222–233

    ///////////////////////////////////////////////////////////////////////////////

    static TUdpSocket::ESendError GetSendErrorFromErrno(const int e) {
        if (e == EHOSTUNREACH || e == ENETUNREACH) {
            return TUdpSocket::SEND_NO_ROUTE_TO_HOST;
        } else if (e == EINVAL) {
            return TUdpSocket::SEND_EINVAL;
        } else if (e == EAGAIN || e == EWOULDBLOCK || e == ENOMEM || e == ENOBUFS || e == EMSGSIZE) {
            return TUdpSocket::SEND_BUFFER_OVERFLOW;
        } else {
            fprintf(stderr, "got unhandled errno: %d\n", e);
        }
        return TUdpSocket::SEND_EINVAL; //transfer will be canceled
    }

    TUdpSocket::ESendError TUdpSocket::SendTo(const char* buf, size_t size, const TSockAddrPair& addr, ui8 tos, const EFragFlag frag) {
        Y_ASSERT(IsPacketsQueueEmpty());