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MemoryBoundedSender

reth_metrics::common::mpsc

Struct MemoryBoundedSender 

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pub struct MemoryBoundedSender<T: InMemorySize> { /* private fields */ }
Available on crate feature common only.
Expand description

A sender that enforces a byte budget before enqueueing messages.

Uses a shared atomic counter to track memory usage. Each message’s size is added to the counter on send and subtracted when the message is dequeued by the receiver.

The current call sites (specifically crate::common::mpsc::MemoryBoundedSender used for the NetworkManager → TransactionsManager channel) have a single producer driven from a single poll, so the fetch_add → check → fetch_sub-on-overflow reservation pattern can never race with itself. The atomic is still used so the receiver can release budget from a different task.

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impl<T: InMemorySize> MemoryBoundedSender<T>

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pub fn try_send(&self, msg: T) -> Result<(), TrySendError<T>>

Tries to send a message if there is sufficient budget.

Returns TrySendError::Full if insufficient budget is available.

Trait Implementations§

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impl<T: Clone + InMemorySize> Clone for MemoryBoundedSender<T>

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fn clone(&self) -> MemoryBoundedSender<T>

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl<T: Debug + InMemorySize> Debug for MemoryBoundedSender<T>

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

Formats the value using the given formatter. Read more

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

🔬This is a nightly-only experimental API. (clone_to_uninit #126799)
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Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 48 bytes