Trait stable_fs::storage::Storage

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pub trait Storage {
    // Required methods
    fn root_node(&self) -> Node;
    fn get_version(&self) -> u32;
    fn new_node(&mut self) -> Node;
    fn get_metadata(&self, node: Node) -> Result<Metadata, Error>;
    fn put_metadata(&mut self, node: Node, metadata: Metadata);
    fn rm_metadata(&mut self, node: Node);
    fn get_direntry(
        &self,
        node: Node,
        index: DirEntryIndex
    ) -> Result<DirEntry, Error>;
    fn put_direntry(
        &mut self,
        node: Node,
        index: DirEntryIndex,
        entry: DirEntry
    );
    fn rm_direntry(&mut self, node: Node, index: DirEntryIndex);
    fn read_filechunk(
        &self,
        node: Node,
        index: FileChunkIndex,
        offset: FileSize,
        buf: &mut [u8]
    ) -> Result<(), Error>;
    fn write_filechunk(
        &mut self,
        node: Node,
        index: FileChunkIndex,
        offset: FileSize,
        buf: &[u8]
    );
    fn rm_filechunk(&mut self, node: Node, index: FileChunkIndex);
}

Required Methods§

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fn root_node(&self) -> Node

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fn get_version(&self) -> u32

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fn new_node(&mut self) -> Node

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fn get_metadata(&self, node: Node) -> Result<Metadata, Error>

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fn put_metadata(&mut self, node: Node, metadata: Metadata)

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fn rm_metadata(&mut self, node: Node)

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fn get_direntry( &self, node: Node, index: DirEntryIndex ) -> Result<DirEntry, Error>

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fn put_direntry(&mut self, node: Node, index: DirEntryIndex, entry: DirEntry)

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fn rm_direntry(&mut self, node: Node, index: DirEntryIndex)

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fn read_filechunk( &self, node: Node, index: FileChunkIndex, offset: FileSize, buf: &mut [u8] ) -> Result<(), Error>

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fn write_filechunk( &mut self, node: Node, index: FileChunkIndex, offset: FileSize, buf: &[u8] )

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fn rm_filechunk(&mut self, node: Node, index: FileChunkIndex)

Implementors§