EventualStore

ipfrs_storage::eventual_consistency

Struct EventualStore 

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pub struct EventualStore<S: BlockStore> { /* private fields */ }
Expand description

Eventually consistent block store wrapper

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impl<S: BlockStore> EventualStore<S>

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pub fn new( inner: S, consistency_level: ConsistencyLevel, conflict_resolution: ConflictResolution, node_id: u64, ) -> Self

Create a new eventually consistent store

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pub fn consistency_level(&self) -> ConsistencyLevel

Get the consistency level

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pub fn set_consistency_level(&mut self, level: ConsistencyLevel)

Set the consistency level

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pub async fn put_versioned(&self, cid: Cid, value: VersionedValue) -> Result<()>

Store a versioned value

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pub async fn get_versioned(&self, cid: &Cid) -> Result<Option<VersionedValue>>

Get a versioned value

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pub fn get_version(&self, cid: &Cid) -> Option<VersionVector>

Get the version vector for a CID

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pub fn stats(&self) -> EventualStoreStats

Get statistics about the store

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impl<S: BlockStore> BlockStore for EventualStore<S>

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fn get<'life0, 'life1, 'async_trait>( &'life0 self, cid: &'life1 Cid, ) -> Pin<Box<dyn Future<Output = Result<Option<Block>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Retrieve a block by CID
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fn put<'life0, 'life1, 'async_trait>( &'life0 self, block: &'life1 Block, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Store a single block
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fn has<'life0, 'life1, 'async_trait>( &'life0 self, cid: &'life1 Cid, ) -> Pin<Box<dyn Future<Output = Result<bool>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Check if a block exists
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fn delete<'life0, 'life1, 'async_trait>( &'life0 self, cid: &'life1 Cid, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Delete a block
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fn list_cids(&self) -> Result<Vec<Cid>>

List all CIDs in the store
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fn len(&self) -> usize

Get number of blocks
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fn flush<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Flush any pending writes
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fn get_many<'life0, 'life1, 'async_trait>( &'life0 self, cids: &'life1 [Cid], ) -> Pin<Box<dyn Future<Output = Result<Vec<Option<Block>>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Retrieve multiple blocks
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fn put_many<'life0, 'life1, 'async_trait>( &'life0 self, blocks: &'life1 [Block], ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Store multiple blocks atomically
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fn has_many<'life0, 'life1, 'async_trait>( &'life0 self, cids: &'life1 [Cid], ) -> Pin<Box<dyn Future<Output = Result<Vec<bool>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Check if multiple blocks exist
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fn delete_many<'life0, 'life1, 'async_trait>( &'life0 self, cids: &'life1 [Cid], ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Delete multiple blocks
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fn is_empty(&self) -> bool

Check if store is empty
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fn close<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Close the store and release resources

Auto Trait Implementations§

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impl<S> Freeze for EventualStore<S>

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impl<S> !RefUnwindSafe for EventualStore<S>

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impl<S> Send for EventualStore<S>

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impl<S> Sync for EventualStore<S>

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impl<S> Unpin for EventualStore<S>

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impl<S> !UnwindSafe for EventualStore<S>

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

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Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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where T: ?Sized,

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

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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const ALIGN: usize

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type Init = T

The type for initializers.
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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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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> StreamingBlockStore for T
where T: BlockStore,

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fn get_range<'life0, 'life1, 'async_trait>( &'life0 self, cid: &'life1 Cid, range: ByteRange, ) -> Pin<Box<dyn Future<Output = Result<Option<PartialBlock>>> + Send + 'async_trait>>
where Self: Sync + 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Read a partial block (range-based) Read more
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fn reader<'life0, 'life1, 'async_trait>( &'life0 self, cid: &'life1 Cid, ) -> Pin<Box<dyn Future<Output = Result<Option<BlockReader>>> + Send + 'async_trait>>
where Self: Sync + 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Create an async reader for a block
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fn get_size<'life0, 'life1, 'async_trait>( &'life0 self, cid: &'life1 Cid, ) -> Pin<Box<dyn Future<Output = Result<Option<u64>>> + Send + 'async_trait>>
where Self: Sync + 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Get the size of a block without reading its contents
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where U: Into<T>,

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type Error = Infallible

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

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