Struct DiskSnapshotStore 

pub struct DiskSnapshotStore { /* private fields */ }

Disk-backed implementation of SnapshotStore.

Wraps a SnapshotManager to provide a trait-based interface with atomic writes (write-to-temp + fsync + rename) for crash safety.

Implementations

impl DiskSnapshotStore

pub fn new(config: SnapshotConfig) -> RaftResult<Self>

Create a new disk-backed snapshot store.

pub fn manager(&self) -> &SnapshotManager

Access the underlying snapshot manager.

pub fn manager_mut(&mut self) -> &mut SnapshotManager

Mutably access the underlying snapshot manager.

Trait Implementations

impl SnapshotStore for DiskSnapshotStore

fn save( &mut self, data: Vec<u8>, last_included_index: LogIndex, last_included_term: Term, ) -> RaftResult<SnapshotMetadata>

Save a snapshot to storage and return the generated metadata.

fn load_latest(&self) -> RaftResult<Option<Snapshot>>

Load the most recent snapshot from storage.

fn list(&self) -> RaftResult<Vec<SnapshotMetadata>>

List metadata for all stored snapshots.

fn prune(&self, keep_n: usize) -> RaftResult<()>

Prune old snapshots, keeping only the keep_n most recent.