pub mod memory; pub mod sled; use crate::Error; pub use self::memory::MemoryChunkService; pub use self::sled::SledChunkService; /// The base trait all ChunkService services need to implement. /// It allows checking for the existence, download and upload of chunks. /// It's usually used after consulting a [crate::blobservice::BlobService] for /// chunking information. pub trait ChunkService { /// check if the service has a chunk, given by its digest. fn has(&self, digest: &[u8]) -> Result<bool, Error>; /// retrieve a chunk by its digest. Implementations MUST validate the digest /// matches. fn get(&self, digest: &[u8]) -> Result<Option<Vec<u8>>, Error>; /// insert a chunk. returns the digest of the chunk, or an error. fn put(&self, data: Vec<u8>) -> Result<Vec<u8>, Error>; }