ParseProtocols - Parses output of 'birdc show protocols all' to pass details of a protocol session to the provided func pointer (while also writing relevant information to out log string).

ProtocolDown - Determines if protocol is down.

WithBfd sets bfd indicating the protocol uses bfd.

WithBfdSessions sets known bfd sessions.

WithInfo sets protocol info (e.g.

WithInterface sets protocol interface (e.g.

WithProtocolName sets protocol name.

WithNeighbor sets protocol neighbor (e.g.

WithOutLog sets out log.

WithProtocolName sets protocol type (e.g.

WithState sets protocol state (e.g.

backup log file; when current log file reaches the limit, it's renamed to the backup filename.

name of BGP template for IPv4 to generate.

name of BGP template for IPv6 to generate.

list of log classes for which BIRD messages are logged.

file to write BIRD logs to.

Option is an option pattern for NewProtocol.