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FileStorageBackend

scirs2::memory::out_of_core

Struct FileStorageBackend 

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pub struct FileStorageBackend { /* private fields */ }
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File-based storage backend

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impl FileStorageBackend

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pub fn new<P>(basepath: P, path: P) -> Result<FileStorageBackend, CoreError>
where P: AsRef<Path>,

Create a new file storage backend

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impl StorageBackend for FileStorageBackend

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fn read_chunk(&self, metadata: &ChunkMetadata) -> Result<Vec<u8>, CoreError>

Read chunk data from storage
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fn write_chunk( &self, metadata: &ChunkMetadata, data: &[u8], ) -> Result<(), CoreError>

Write chunk data to storage
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fn allocate_chunk( &self, chunkid: &ChunkId, size: usize, ) -> Result<ChunkMetadata, CoreError>

Allocate space for a new chunk
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fn deallocate_chunk(&self, chunkid: &ChunkId) -> Result<(), CoreError>

Deallocate chunk space
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fn flush(&self) -> Result<(), CoreError>

Flush any pending writes

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