rmqtt_storage

Struct SledStorageDB

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pub struct SledStorageDB { /* private fields */ }
Expand description

Main database handle for Sled storage

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impl SledStorageDB

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pub fn cleanup(&self, limit: usize) -> usize

Cleans up expired keys (TTL feature)

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pub fn cleanup_kvs(&self, limit: usize) -> usize

Cleans up expired key-value pairs (TTL feature)

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pub fn active_count(&self) -> isize

Returns the count of active commands

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impl Clone for SledStorageDB

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fn clone(&self) -> SledStorageDB

Returns a duplicate of the value. Read more
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const fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl StorageDB for SledStorageDB

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fn map<'life0, 'async_trait, N>( &'life0 self, name: N, expire: Option<i64>, ) -> Pin<Box<dyn Future<Output = Result<Self::MapType>> + Send + 'async_trait>>
where N: 'async_trait + AsRef<[u8]> + Sync + Send, Self: 'async_trait, 'life0: 'async_trait,

Creates or gets a map with optional expiration

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fn map_remove<'life0, 'async_trait, K>( &'life0 self, name: K, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where K: AsRef<[u8]> + Sync + Send + 'async_trait, Self: 'async_trait, 'life0: 'async_trait,

Removes a map

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fn map_contains_key<'life0, 'async_trait, K>( &'life0 self, key: K, ) -> Pin<Box<dyn Future<Output = Result<bool>> + Send + 'async_trait>>
where K: 'async_trait + AsRef<[u8]> + Sync + Send, Self: 'async_trait, 'life0: 'async_trait,

Checks if a map exists

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fn list<'life0, 'async_trait, V>( &'life0 self, name: V, expire: Option<i64>, ) -> Pin<Box<dyn Future<Output = Result<Self::ListType>> + Send + 'async_trait>>
where V: 'async_trait + AsRef<[u8]> + Sync + Send, Self: 'async_trait, 'life0: 'async_trait,

Creates or gets a list with optional expiration

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fn list_remove<'life0, 'async_trait, K>( &'life0 self, name: K, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where K: AsRef<[u8]> + Sync + Send + 'async_trait, Self: 'async_trait, 'life0: 'async_trait,

Removes a list

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fn list_contains_key<'life0, 'async_trait, K>( &'life0 self, key: K, ) -> Pin<Box<dyn Future<Output = Result<bool>> + Send + 'async_trait>>
where K: 'async_trait + AsRef<[u8]> + Sync + Send, Self: 'async_trait, 'life0: 'async_trait,

Checks if a list exists

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fn insert<'life0, 'life1, 'async_trait, K, V>( &'life0 self, key: K, val: &'life1 V, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where K: AsRef<[u8]> + Sync + Send + 'async_trait, V: Serialize + Sync + Send + 'async_trait, Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Inserts a key-value pair

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fn get<'life0, 'async_trait, K, V>( &'life0 self, key: K, ) -> Pin<Box<dyn Future<Output = Result<Option<V>>> + Send + 'async_trait>>
where K: AsRef<[u8]> + Sync + Send + 'async_trait, V: DeserializeOwned + Sync + Send + 'async_trait, Self: 'async_trait, 'life0: 'async_trait,

Gets a value by key

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fn remove<'life0, 'async_trait, K>( &'life0 self, key: K, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where K: AsRef<[u8]> + Sync + Send + 'async_trait, Self: 'async_trait, 'life0: 'async_trait,

Removes a key-value pair

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fn batch_insert<'life0, 'async_trait, V>( &'life0 self, key_vals: Vec<(Vec<u8>, V)>, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where V: Serialize + Sync + Send + 'async_trait, Self: 'async_trait, 'life0: 'async_trait,

Batch inserts key-value pairs

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fn batch_remove<'life0, 'async_trait>( &'life0 self, keys: Vec<Vec<u8>>, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Batch removes keys

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fn counter_incr<'life0, 'async_trait, K>( &'life0 self, key: K, increment: isize, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where K: AsRef<[u8]> + Sync + Send + 'async_trait, Self: 'async_trait, 'life0: 'async_trait,

Increments a counter

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fn counter_decr<'life0, 'async_trait, K>( &'life0 self, key: K, decrement: isize, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where K: AsRef<[u8]> + Sync + Send + 'async_trait, Self: 'async_trait, 'life0: 'async_trait,

Decrements a counter

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fn counter_get<'life0, 'async_trait, K>( &'life0 self, key: K, ) -> Pin<Box<dyn Future<Output = Result<Option<isize>>> + Send + 'async_trait>>
where K: AsRef<[u8]> + Sync + Send + 'async_trait, Self: 'async_trait, 'life0: 'async_trait,

Gets counter value

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fn counter_set<'life0, 'async_trait, K>( &'life0 self, key: K, val: isize, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where K: AsRef<[u8]> + Sync + Send + 'async_trait, Self: 'async_trait, 'life0: 'async_trait,

Sets counter value

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fn contains_key<'life0, 'async_trait, K>( &'life0 self, key: K, ) -> Pin<Box<dyn Future<Output = Result<bool>> + Send + 'async_trait>>
where K: 'async_trait + AsRef<[u8]> + Sync + Send, Self: 'async_trait, 'life0: 'async_trait,

Checks if a key exists

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fn len<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<usize>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Gets number of key-value pairs (if enabled)

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fn db_size<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<usize>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Gets total database size

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fn expire_at<'life0, 'async_trait, K>( &'life0 self, key: K, at: i64, ) -> Pin<Box<dyn Future<Output = Result<bool>> + Send + 'async_trait>>
where K: AsRef<[u8]> + Sync + Send + 'async_trait, Self: 'async_trait, 'life0: 'async_trait,

Sets expiration time for a key (TTL feature)

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fn expire<'life0, 'async_trait, K>( &'life0 self, key: K, dur: i64, ) -> Pin<Box<dyn Future<Output = Result<bool>> + Send + 'async_trait>>
where K: AsRef<[u8]> + Sync + Send + 'async_trait, Self: 'async_trait, 'life0: 'async_trait,

Sets time-to-live for a key (TTL feature)

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fn ttl<'life0, 'async_trait, K>( &'life0 self, key: K, ) -> Pin<Box<dyn Future<Output = Result<Option<i64>>> + Send + 'async_trait>>
where K: AsRef<[u8]> + Sync + Send + 'async_trait, Self: 'async_trait, 'life0: 'async_trait,

Gets time-to-live for a key (TTL feature)

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fn map_iter<'a, 'async_trait>( &'a mut self, ) -> Pin<Box<dyn Future<Output = Result<Box<dyn AsyncIterator<Item = Result<StorageMap>> + Send + 'a>>> + Send + 'async_trait>>
where Self: 'async_trait, 'a: 'async_trait,

Iterates over all maps

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fn list_iter<'a, 'async_trait>( &'a mut self, ) -> Pin<Box<dyn Future<Output = Result<Box<dyn AsyncIterator<Item = Result<StorageList>> + Send + 'a>>> + Send + 'async_trait>>
where Self: 'async_trait, 'a: 'async_trait,

Iterates over all lists

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fn scan<'a, 'async_trait, P>( &'a mut self, pattern: P, ) -> Pin<Box<dyn Future<Output = Result<Box<dyn AsyncIterator<Item = Result<Vec<u8>>> + Send + 'a>>> + Send + 'async_trait>>
where P: AsRef<[u8]> + Send + Sync + 'async_trait, Self: 'async_trait, 'a: 'async_trait,

Scans keys matching pattern

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fn info<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<Value>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Gets database information

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type MapType = SledStorageMap

Concrete Map type for this storage
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type ListType = SledStorageList

Concrete List type for this storage

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impl<T> Any for T
where T: 'static + ?Sized,

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where T: ?Sized,

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fn borrow(&self) -> &T

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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Returns the argument unchanged.

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where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Pointable for T

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const ALIGN: usize

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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

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Dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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where V: MultiLane<T>,

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fn vzip(self) -> V

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where T: 'static,