Struct TransientStorage 

pub struct TransientStorage { /* private fields */ }

Implementations

impl TransientStorage

pub fn new() -> Self

Trait Implementations

impl Default for TransientStorage

fn default() -> TransientStorage

Returns the “default value” for a type.

impl Storage for TransientStorage

fn root_node(&self) -> Node

Get the root node ID of the storage.

fn get_version(&self) -> u32

Get version of the file system.

fn new_node(&mut self) -> Node

Generate the next available node ID.

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

Get the metadata associated with the node.

fn put_metadata(&mut self, node: Node, metadata: &Metadata) -> Result<(), Error>

Update the metadata associated with the node.

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

Retrieve the DirEntry instance given the Node and DirEntryIndex.

fn get_direntry_index_by_name( &self, entry: &(Node, FileName), ) -> Option<DirEntryIndex>

Retrieve the DirEntryIndex instance given the Node and DirEntryIndex.

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

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

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

fn resize_file(&mut self, node: Node, new_size: FileSize) -> Result<(), Error>

fn rm_file(&mut self, node: Node) -> Result<(), Error>

fn mount_node( &mut self, node: Node, memory: Box<dyn Memory>, policy: MountedFileSizePolicy, ) -> Result<(), Error>

mark node as mounted.

fn unmount_node(&mut self, node: Node) -> Result<Box<dyn Memory>, Error>

mark note as not mounted.

fn is_mounted(&self, node: Node) -> bool

return true if the node is mounted.

fn get_mounted_memory(&self, node: Node) -> Option<&dyn Memory>

return mounted memory related to the node, or None.

fn init_mounted_memory(&mut self, node: Node) -> Result<(), Error>

initialize memory with the contents from file.

fn store_mounted_memory(&mut self, node: Node) -> Result<(), Error>

store mounted memory state back to host file.

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

fn set_chunk_size(&mut self, _chunk_size: ChunkSize) -> Result<(), Error>

fn chunk_size(&self) -> usize

fn set_chunk_type(&mut self, _chunk_type: ChunkType)

fn chunk_type(&self) -> ChunkType

fn flush(&mut self, _node: Node)

fn new_direntry_index(&self, node: Node) -> DirEntryIndex

Return the DirEntryIndex that can be used for a new entry

fn with_direntries( &self, node: Node, initial_index: Option<DirEntryIndex>, f: &mut dyn FnMut(&DirEntryIndex, &DirEntry) -> bool, )

get entries iterator