Struct RecordCache 

pub struct RecordCache { /* private fields */ }

Cache of DNS resource records, keyed by “lowercase name, record type”.

Implementations

impl RecordCache

pub fn new() -> Self

pub fn ingest(&mut self, rr: &RR) -> bool

Insert or update records from a DNS response. TTL=0 removes the specific record whose rdata matches (RFC 6762 10.1).

pub fn evict_expired(&mut self) -> Vec<(String, u16)>

Remove expired entries. Returns list of (name, type) keys that were fully removed.

pub fn lookup(&self, name: &str, qtype: u16) -> Vec<RR>

Lookup non-expired records by exact (lowercase name, type).

pub fn lookup_name(&self, name: &str) -> Vec<RR>

Lookup all non-expired records matching a name (any type).

Trait Implementations

impl Default for RecordCache

fn default() -> Self

Returns the “default value” for a type.