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Diffstat (limited to 'tvix/store/src/blobservice/mod.rs')
-rw-r--r-- | tvix/store/src/blobservice/mod.rs | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/tvix/store/src/blobservice/mod.rs b/tvix/store/src/blobservice/mod.rs deleted file mode 100644 index 5ecf25ac1337..000000000000 --- a/tvix/store/src/blobservice/mod.rs +++ /dev/null @@ -1,62 +0,0 @@ -use std::io; -use tonic::async_trait; - -use crate::{B3Digest, Error}; - -mod from_addr; -mod grpc; -mod memory; -mod naive_seeker; -mod sled; - -#[cfg(test)] -mod tests; - -pub use self::from_addr::from_addr; -pub use self::grpc::GRPCBlobService; -pub use self::memory::MemoryBlobService; -pub use self::sled::SledBlobService; - -/// The base trait all BlobService services need to implement. -/// It provides functions to check whether a given blob exists, -/// a way to get a [io::Read] to a blob, and a method to initiate writing a new -/// Blob, which will return something implmenting io::Write, and providing a -/// close funtion, to finalize a blob and get its digest. -#[async_trait] -pub trait BlobService: Send + Sync { - /// Create a new instance by passing in a connection URL. - /// TODO: check if we want to make this async, instead of lazily connecting - fn from_url(url: &url::Url) -> Result<Self, Error> - where - Self: Sized; - - /// Check if the service has the blob, by its content hash. - async fn has(&self, digest: &B3Digest) -> Result<bool, Error>; - - /// Request a blob from the store, by its content hash. - async fn open_read(&self, digest: &B3Digest) -> Result<Option<Box<dyn BlobReader>>, Error>; - - /// Insert a new blob into the store. Returns a [BlobWriter], which - /// implements [io::Write] and a [BlobWriter::close]. - async fn open_write(&self) -> Box<dyn BlobWriter>; -} - -/// A [tokio::io::AsyncWrite] that you need to close() afterwards, and get back -/// the digest of the written blob. -#[async_trait] -pub trait BlobWriter: tokio::io::AsyncWrite + Send + Sync + Unpin + 'static { - /// Signal there's no more data to be written, and return the digest of the - /// contents written. - /// - /// Closing a already-closed BlobWriter is a no-op. - async fn close(&mut self) -> Result<B3Digest, Error>; -} - -/// A [tokio::io::AsyncRead] that also allows seeking. -pub trait BlobReader: - tokio::io::AsyncRead + tokio::io::AsyncSeek + tokio::io::AsyncBufRead + Send + Unpin + 'static -{ -} - -/// A [`io::Cursor<Vec<u8>>`] can be used as a BlobReader. -impl BlobReader for io::Cursor<Vec<u8>> {} |