The send method sends a deterministic message to the follower to be delivered at time. If several messages will be delivered at same time, an increasing skey determines the sort order.
The send_async method sends a non-deterministic (asynchronous) message to the follower to be delivered as soon as possible.
SIM_INTERFACE(leader_message) { void (*send)(conf_object_t *obj, follower_time_t time, uint64 skey, bytes_t msg); void (*send_async)(conf_object_t *obj, bytes_t msg); }; #define LEADER_MESSAGE_INTERFACE "leader_message"