Struct FileCache 

pub struct FileCache { /* private fields */ }

Disk-backed LRU cache for IPFS content.

Implementations

impl FileCache

pub fn new(dir: &Path, max_size: u64) -> Result<Self>

Create a new cache at the given directory with a max size in bytes.

pub fn get(&mut self, cid: &str) -> Option<Vec<u8>>

Get cached content by CID. Returns None on miss.

pub fn put(&mut self, cid: &str, data: &[u8]) -> Result<()>

Insert content into the cache, evicting old entries if needed.

pub fn remove(&mut self, cid: &str) -> Result<()>

Remove a specific entry from the cache.

pub fn contains(&self, cid: &str) -> bool

Check if a CID is cached.

pub fn len(&self) -> usize

Number of cached entries.

pub fn is_empty(&self) -> bool

Whether the cache is empty.

pub fn size(&self) -> u64

Current total size of cached data.

pub fn clear(&mut self) -> Result<()>

Clear all cached entries and files.