Struct BudgetTracker 

pub struct BudgetTracker { /* private fields */ }

What one phase has spent so far. Shared by every task the phase runs.

Implementations

impl BudgetTracker

pub fn new(budget: Budget) -> Self

A tracker starting now.

pub const fn budget(&self) -> &Budget

The limits in force.

pub fn reserve(&self, depth: u8) -> Result<(), BudgetBound>

Reserves one call at depth.

Errors

The BudgetBound that forbids it; the bound is also remembered for the report.

pub async fn permit(&self) -> Option<SemaphorePermit<'_>>

Waits for a slot among the calls in flight.

pub fn record_tokens(&self, tokens: u64)

Counts the prompt tokens a provider reported.

pub fn remaining_wall_clock(&self) -> Option<Duration>

Time left on the wall clock, when it is bounded.

pub fn call_timeout(&self, requested: Option<Duration>) -> Duration

The deadline of the next call: the per-call timeout, cut to the time left.

pub fn exhausted(&self) -> Option<BudgetBound>

The first bound reached, if any.

pub fn report(&self) -> BudgetReport

What was spent, for the replay record.

Trait Implementations

impl Debug for BudgetTracker

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

Formats the value using the given formatter.