Fork development of atproto-crates. I contributed atproto-oauth-dioxus
rust
atproto
feature: atproto-dasl disk storage improvements
Nick Gerakines
(Mar 12, 2026, 8:15 PM EDT)
a402bbaa
3d9f17b6
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-19
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-1
crates/atproto-repo/src/lib.rs
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-1
crates/atproto-repo/src/lib.rs
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-18
crates/atproto-repo/src/repo/mod.rs
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crates/atproto-repo/src/repo/mod.rs
···
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use crate::mst::Mst;
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use atproto_dasl::CarReader;
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use atproto_dasl::Cid;
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use atproto_dasl::storage::{BlockStorage, MemoryStorage};
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use atproto_dasl::storage::{BlockStorage, DiskStorage, MemoryStorage};
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use tokio::io::AsyncRead;
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/// Read-only view of a repository backed by pluggable storage.
···
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pub fn config(&self) -> &RepoConfig {
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&self.config
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}
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}
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/// Convenience type for in-memory repository.
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pub type MemoryRepository = Repository<MemoryStorage>;
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impl MemoryRepository {
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/// Load repository from an async CAR reader into memory.
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///
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/// # Errors
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///
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/// Returns `RepoError` if loading fails.
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pub async fn from_car<R: AsyncRead + Unpin>(
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/// Load repository from an async CAR reader into pre-built storage.
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async fn from_car_with_storage<R: AsyncRead + Unpin>(
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reader: R,
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config: RepoConfig,
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mut storage: S,
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) -> Result<Self, RepoError> {
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let car_reader = CarReader::with_config(reader, config.car_config()).await?;
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// Get root CID
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let root_cid = car_reader
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.root()
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.ok_or_else(|| RepoError::InvalidCommit {
···
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})?
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.clone();
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// Stream all blocks to memory storage
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let mut storage = MemoryStorage::with_limits(config.limits.clone());
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let _header = car_reader.stream_to_storage(&mut storage).await?;
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// Load commit from root
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let commit_bytes = storage
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.get(&root_cid.clone().into())
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.await?
···
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reason: format!("failed to decode commit: {}", e),
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})?;
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// Validate commit version
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if commit.version != 3 {
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return Err(RepoError::UnsupportedCommitVersion {
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version: commit.version,
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});
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}
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// Create MST from commit data CID
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let mst = Mst::from_root(commit.data.clone().into(), storage, config.clone());
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Ok(Self {
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signature_verified: None,
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})
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}
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}
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/// Convenience type for in-memory repository.
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pub type MemoryRepository = Repository<MemoryStorage>;
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impl MemoryRepository {
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/// Load repository from an async CAR reader into memory.
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///
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/// # Errors
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///
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/// Returns `RepoError` if loading fails.
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pub async fn from_car<R: AsyncRead + Unpin>(
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reader: R,
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config: RepoConfig,
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) -> Result<Self, RepoError> {
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let storage = MemoryStorage::with_limits(config.limits.clone());
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Self::from_car_with_storage(reader, config, storage).await
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}
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/// Get the total number of records in the repository.
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///
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pub async fn record_count(&self) -> Result<usize, RepoError> {
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let entries = self.mst.entries().await?;
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Ok(entries.len())
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}
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}
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/// Convenience type for disk-backed repository.
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pub type DiskRepository = Repository<DiskStorage>;
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impl DiskRepository {
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/// Load repository from an async CAR reader with disk-backed storage.
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///
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/// # Errors
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///
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/// Returns `RepoError` if loading or storage initialization fails.
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pub async fn from_car<R: AsyncRead + Unpin>(
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reader: R,
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config: RepoConfig,
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) -> Result<Self, RepoError> {
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let storage = DiskStorage::new(config.limits.clone()).await?;
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Self::from_car_with_storage(reader, config, storage).await
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}
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}
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