Struct DnsCache

pub struct DnsCache { /* private fields */ }

DNS cache for resolving hostnames to IP addresses

Implementations

impl DnsCache

pub fn new() -> Self

Create a new DNS cache with default TTL

pub fn with_ttl(ttl: Duration) -> Self

Create a new DNS cache with specified TTL

pub async fn resolve( &self, hostname: &str, port: u16, ) -> Result<Vec<SocketAddr>>

Resolve a hostname, using cache if available Resolve hostname and port to socket addresses with caching

Errors

Returns an error if DNS resolution fails

pub async fn clear(&self)

Clear the DNS cache

pub async fn remove_expired(&self)

Remove expired entries from the cache

pub async fn size(&self) -> usize

Get the number of cached entries

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 Debug for DnsCache

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for DnsCache

fn default() -> Self

Returns the “default value” for a type.