Struct BackupManager 

pub struct BackupManager { /* private fields */ }

Manages backup creation, retention, and restoration

Implementations

impl BackupManager

pub fn new(backup_dir: PathBuf, retention_count: usize) -> Self

Creates a new BackupManager instance

Arguments

• backup_dir - Directory where backups will be stored
• retention_count - Number of backups to keep per file (default: 10)

pub async fn create_backup( &self, path: &Path, ) -> Result<BackupMetadata, FileError>

Creates a timestamped backup of a file

Arguments

• path - Path to the file to backup

Returns

BackupMetadata containing backup location and hash, or an error

pub async fn enforce_retention_policy( &self, path: &Path, ) -> Result<(), FileError>

Enforces retention policy by keeping only the last N backups per file

Arguments

• path - Path to the original file (used to identify related backups)

Returns

Result indicating success or failure

pub async fn restore_from_backup( &self, backup_path: &Path, target_path: &Path, ) -> Result<(), FileError>

Restores a file from a backup

Arguments

• backup_path - Path to the backup file
• target_path - Path where the file should be restored

Returns

Result indicating success or failure

pub async fn verify_backup_integrity( &self, backup_path: &Path, stored_hash: &str, ) -> Result<(), FileError>

Verifies backup integrity by comparing stored hash with computed hash

Arguments

• backup_path - Path to the backup file
• stored_hash - Previously stored hash to compare against

Returns

Result indicating success or failure

Trait Implementations

impl Clone for BackupManager

fn clone(&self) -> BackupManager

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for BackupManager

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

Formats the value using the given formatter.

impl Default for BackupManager

fn default() -> Self

Returns the “default value” for a type.