Struct ScanState 

pub struct ScanState {
    pub scan_time: SystemTime,
    pub root: PathBuf,
    pub signatures: HashMap<PathBuf, FileSignature>,
    pub hot_directories: Vec<HotDirectory>,
    pub total_files: u64,
    pub total_dirs: u64,
    pub version: u32,
}

Persistent state for a scanned directory

Fields

scan_time: SystemTime

When this state was created

root: PathBuf

Root path that was scanned

signatures: HashMap<PathBuf, FileSignature>

File signatures for all scanned files

hot_directories: Vec<HotDirectory>

Directories marked as “hot” (frequently changing)

total_files: u64

Total files in this state

total_dirs: u64

Total directories in this state

version: u32

Version of the state format (for migrations)

Implementations

impl ScanState

pub const CURRENT_VERSION: u32 = 1

Current state format version

pub fn new(root: PathBuf) -> Self

Create a new empty state

pub fn add_signature(&mut self, path: PathBuf, sig: FileSignature)

Add a file signature to the state

pub fn state_path(root: &Path) -> PathBuf

Get the state file path for a given directory

pub fn save(&self) -> Result<PathBuf>

Save state to disk

pub fn load(root: &Path) -> Result<Option<Self>>

Load state from disk

pub fn diff(&self, newer: &ScanState) -> ScanDelta

Compare with another state and produce a delta

Trait Implementations

impl Clone for ScanState

fn clone(&self) -> ScanState

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ScanState

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ScanState

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ScanState

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.