Struct DnsCache 

pub struct DnsCache { /* private fields */ }

DNS cache with LRU eviction

Caches DNS lookups to reduce latency. Thread-safe via Arc<Mutex<…>>.

Implementations

impl DnsCache

pub fn new() -> Result<Self>

Create a new DNS cache with default capacity (1000 entries)

pub fn with_capacity(capacity: usize) -> Result<Self>

Create a new DNS cache with specified capacity

pub async fn lookup(&self, domain: &str) -> Result<Vec<IpAddr>>

Lookup a domain, using cache if available

Returns a list of IP addresses for the domain. The first IP is typically the preferred address for connection.

pub async fn stats(&self) -> CacheStats

Get cache statistics

pub async fn reset_stats(&self)

Reset cache statistics

pub async fn clear(&self)

Clear the cache

pub async fn size(&self) -> usize

Get current cache size

Trait Implementations

impl Clone for DnsCache

fn clone(&self) -> DnsCache

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Default for DnsCache

fn default() -> Self

Returns the “default value” for a type.