/*! Returns true if there are no further parts.
*/
inline bool last_part(socket_t& socket)
{
int64_t more;
size_t more_size = sizeof(more);
socket.getsockopt(ZMQ_RCVMORE, &more, &more_size);
return (more == 1) ? false : true;
}
std::string _get_zmq_last_endpoint(socket_t & socket) {
char buf[512];
size_t buf_size = sizeof(buf);
//int retval =
socket.getsockopt(ZMQ_LAST_ENDPOINT, (void*)buf, &buf_size);
// assert(retval == 0);
// buf_size is modified.
return std::string(buf, buf_size);
}