+ template<class M>
+ typename std::enable_if< std::is_class<M>::value && std::is_trivial<M>::value, int >::type
+ send_message(M const& m)
+ {
+ return MC_protocol_send(this->socket_, &m, sizeof(M));
+ }
+
+ int send_message(e_mc_message_type message_id)
+ {
+ return MC_protocol_send_simple_message(this->socket_, message_id);
+ }
+
+ template<class M>
+ typename std::enable_if< std::is_class<M>::value && std::is_trivial<M>::value, ssize_t >::type
+ receive_message(M& m)
+ {
+ return MC_receive_message(this->socket_, &m, sizeof(M), 0);
+ }
+