Struct tor_persist::TestingStateMgr

pub struct TestingStateMgr { /* private fields */ }

A state manager for testing support, that allows simulating persistence without having to store anything to disk.

Only available when this crate is built with the testing feature.

Implementations

impl TestingStateMgr

pub fn new() -> Self

Create a new empty unlocked TestingStateMgr.

pub fn new_manager(&self) -> Self

Create a new unlocked TestingStateMgr that shares the same underlying storage with this one.

Trait Implementations

impl Clone for TestingStateMgr

fn clone(&self) -> TestingStateMgr

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for TestingStateMgr

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

Formats the value using the given formatter.

impl Default for TestingStateMgr

fn default() -> Self

Returns the “default value” for a type.

impl StateMgr for TestingStateMgr

fn load<D>(&self, key: &str) -> Result<Option<D>, Error> where
    D: DeserializeOwned, 

Try to load the object with key key from the store.

fn store<S>(&self, key: &str, val: &S) -> Result<(), Error> where
    S: Serialize, 

Try to save val with key key in the store.

fn can_store(&self) -> bool

Return true if this is a read-write state manager.

fn try_lock(&self) -> Result<LockStatus, Error>

Try to become a read-write state manager if possible, without blocking.

fn unlock(&self) -> Result<(), Error>

Release any locks held and become a read-only state manager again. If no locks were held, do nothing.

fn create_handle<T>(self, key: impl Into<String>) -> DynStorageHandle<T> where
    Self: Send + Sync + Sized + 'static,
    T: Serialize + DeserializeOwned + 'static, 

Make a new StorageHandle to store values of particular type at a particular key.