In configuration bird.conf you can specify a path to the RTRlib: protocol rpki { rtrlib "/usr/lib/librtr.so"; ... }
Implementation based on RTRLib. Communication between rtrlib threads and main thread through pipe() sockets and notify list like in BFD protocol. TODO: - load rtrlib using dlopen() - take into account preferences of cache servers in configuration
lib/lists: add get_list_length(list *) function
