nmsg_res(* nmsg_filter_message_fp)(nmsg_message_t *msg, void *user, nmsg_filter_message_verdict *vres)
Function pointer type for a function that performs message filtering.
nmsg_filter_message_verdict
@ nmsg_filter_message_verdict_DECLINED
The filter declines to handle this message for an unspecified reason, and processing should proceed a...
@ nmsg_filter_message_verdict_DROP
The filter declares that this message should be dropped from the output stream.
@ nmsg_filter_message_verdict_ACCEPT
The filter declares that this message should be accepted into the output stream.