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EmitMetric

sochdb_kernel::wasm_host_abi

Struct EmitMetric 

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

Emit an observability metric

§Arguments (serialized)

  • metric_type: u8 - 0=counter, 1=gauge, 2=histogram
  • name: String - Metric name
  • value: f64 - Metric value
  • labels: Vec<(String, String)> - Label pairs

§Returns

  • Ok

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impl EmitMetric

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pub fn new() -> Self

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pub fn total_emitted(&self) -> u64

Trait Implementations§

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impl Default for EmitMetric

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl HostFunction for EmitMetric

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fn name(&self) -> &str

Function name as seen from WASM
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fn description(&self) -> &str

Human-readable description
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fn execute(&self, ctx: &mut HostFunctionContext, args: &[u8]) -> HostCallResult

Execute the function

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

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fn type_id(&self) -> TypeId

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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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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. 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.