Struct ProviderCache 

pub struct ProviderCache { /* private fields */ }

Provider record cache

Implementations

impl ProviderCache

pub fn new() -> Self

Create a new provider cache with default configuration

pub fn with_config(config: ProviderCacheConfig) -> Self

Create a new provider cache with custom configuration

pub fn get(&self, cid: &Cid) -> Option<Vec<PeerId>>

Get providers for a CID from cache

Returns None if not cached or expired

pub fn has_providers(&self, cid: &Cid) -> bool

Check if we have valid (non-expired) providers cached

pub fn needs_refresh(&self, cid: &Cid) -> bool

Check if providers need refresh (expired or below minimum)

pub fn put(&self, cid: Cid, providers: Vec<PeerId>)

Add or update providers for a CID

pub fn add_provider(&self, cid: &Cid, provider: PeerId)

Add a single provider to an existing cache entry

pub fn remove_provider(&self, cid: &Cid, provider: &PeerId)

Remove a provider from cache (e.g., when it disconnects)

pub fn invalidate(&self, cid: &Cid)

Remove all entries for a CID

pub fn cleanup_expired(&self)

Remove all expired entries

pub fn clear(&self)

Clear the entire cache

pub fn stats(&self) -> ProviderCacheStats

Get cache statistics

pub fn len(&self) -> usize

Get the number of cached CIDs

pub fn is_empty(&self) -> bool

Check if cache is empty

Trait Implementations

impl Default for ProviderCache

fn default() -> Self

Returns the “default value” for a type.