subspace_farmer::farmer_piece_getter

Struct FarmerPieceGetter

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pub struct FarmerPieceGetter<FarmIndex, PV, NC> { /* private fields */ }
Expand description

Farmer-specific piece getter.

Implements PieceGetter for plotting purposes, but useful outside of that as well.

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impl<FarmIndex, PV, NC> FarmerPieceGetter<FarmIndex, PV, NC>
where FarmIndex: Hash + Eq + Copy + Debug + Send + Sync + 'static, usize: From<FarmIndex>, PV: PieceValidator + Send + 'static, NC: NodeClient,

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pub fn new( piece_provider: PieceProvider<PV>, farmer_cache: FarmerCache, node_client: NC, plotted_pieces: Arc<AsyncRwLock<PlottedPieces<FarmIndex>>>, dsn_cache_retry_policy: DsnCacheRetryPolicy, ) -> Self

Create new instance

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pub async fn get_piece_fast(&self, piece_index: PieceIndex) -> Option<Piece>

Fast way to get piece using various caches

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pub async fn get_piece_slow(&self, piece_index: PieceIndex) -> Option<Piece>

Slow way to get piece using archival storage

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pub fn downgrade(&self) -> WeakFarmerPieceGetter<FarmIndex, PV, NC>

Downgrade to WeakFarmerPieceGetter in order to break reference cycles with internally used Arc

Trait Implementations§

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impl<FarmIndex, PV, NC> Clone for FarmerPieceGetter<FarmIndex, PV, NC>

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fn clone(&self) -> Self

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

Performs copy-assignment from source. Read more
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impl<FarmIndex, PV, NC> Debug for FarmerPieceGetter<FarmIndex, PV, NC>

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

Formats the value using the given formatter. Read more
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impl<FarmIndex, PV, NC> PieceGetter for FarmerPieceGetter<FarmIndex, PV, NC>
where FarmIndex: Hash + Eq + Copy + Debug + Send + Sync + 'static, usize: From<FarmIndex>, PV: PieceValidator + Send + 'static, NC: NodeClient,

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fn get_piece<'life0, 'async_trait>( &'life0 self, piece_index: PieceIndex, ) -> Pin<Box<dyn Future<Output = Result<Option<Piece>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Get piece by index
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fn get_pieces<'a, 'async_trait, PieceIndices>( &'a self, piece_indices: PieceIndices, ) -> Pin<Box<dyn Future<Output = Result<Box<dyn Stream<Item = (PieceIndex, Result<Option<Piece>>)> + Send + Unpin + 'a>>> + Send + 'async_trait>>
where PieceIndices: IntoIterator<Item = PieceIndex, IntoIter: Send> + Send + 'a + 'async_trait, Self: 'async_trait, 'a: 'async_trait,

Get pieces with provided indices. Read more

Auto Trait Implementations§

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impl<FarmIndex, PV, NC> Freeze for FarmerPieceGetter<FarmIndex, PV, NC>

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impl<FarmIndex, PV, NC> !RefUnwindSafe for FarmerPieceGetter<FarmIndex, PV, NC>

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impl<FarmIndex, PV, NC> Send for FarmerPieceGetter<FarmIndex, PV, NC>
where NC: Sync + Send, PV: Sync + Send, FarmIndex: Send + Sync,

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impl<FarmIndex, PV, NC> Sync for FarmerPieceGetter<FarmIndex, PV, NC>
where NC: Sync + Send, PV: Sync + Send, FarmIndex: Send + Sync,

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impl<FarmIndex, PV, NC> Unpin for FarmerPieceGetter<FarmIndex, PV, NC>

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impl<FarmIndex, PV, NC> !UnwindSafe for FarmerPieceGetter<FarmIndex, PV, NC>

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