Struct ockam::LmdbStorage

pub struct LmdbStorage {
    pub env: Arc<Environment>,
    pub map: Database,
}

Storage using the LMDB database

Fields

env: Arc<Environment>

lmdb da

map: Database

lmdb database file

Implementations

impl LmdbStorage

pub async fn new<P>(p: P) -> Result<LmdbStorage, Error>

where P: AsRef<Path>,

Constructor

pub async fn write(&self, k: String, v: Vec<u8>) -> Result<(), Error>

Write a new binary value for a given key in the database

pub async fn delete(&self, k: String) -> Result<(), Error>

Delete a database entry

Trait Implementations

impl Clone for LmdbStorage

fn clone(&self) -> LmdbStorage

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for LmdbStorage

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

Formats the value using the given formatter.

impl PolicyStorage for LmdbStorage

fn get_policy<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, r: &'life1 Resource, a: &'life2 Action ) -> Pin<Box<dyn Future<Output = Result<Option<Expr>, Error>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait, LmdbStorage: 'async_trait,

fn set_policy<'life0, 'life1, 'life2, 'life3, 'async_trait>( &'life0 self, r: &'life1 Resource, a: &'life2 Action, c: &'life3 Expr ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait, 'life3: 'async_trait, LmdbStorage: 'async_trait,

fn del_policy<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, r: &'life1 Resource, a: &'life2 Action ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait, LmdbStorage: 'async_trait,

fn policies<'life0, 'life1, 'async_trait>( &'life0 self, r: &'life1 Resource ) -> Pin<Box<dyn Future<Output = Result<Vec<(Action, Expr)>, Error>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, LmdbStorage: 'async_trait,

impl Storage for LmdbStorage

fn get<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, id: &'life1 str, key: &'life2 str ) -> Pin<Box<dyn Future<Output = Result<Option<Vec<u8>>, Error>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait, LmdbStorage: 'async_trait,

Get entry

fn set<'life0, 'life1, 'async_trait>( &'life0 self, id: &'life1 str, key: String, val: Vec<u8> ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, LmdbStorage: 'async_trait,

Set entry

fn del<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, id: &'life1 str, key: &'life2 str ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait, LmdbStorage: 'async_trait,

Delete entry

fn keys<'life0, 'life1, 'async_trait>( &'life0 self, namespace: &'life1 str ) -> Pin<Box<dyn Future<Output = Result<Vec<String>, Error>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, LmdbStorage: 'async_trait,

List all keys of a given “type”. TODO: we shouldn’t store different things on a single store.