Struct ObservabilityContext 

pub struct ObservabilityContext {
    active_spans: RwLock<RawRwLock, HashMap<SpanId, Span>>,
    completed_spans: RwLock<RawRwLock, Vec<Span>>,
    max_completed: usize,
    prometheus: Arc<PrometheusExporter>,
}

Global observability context for managing spans and metrics.

Fields

active_spans: RwLock<RawRwLock, HashMap<SpanId, Span>>

completed_spans: RwLock<RawRwLock, Vec<Span>>

max_completed: usize

prometheus: Arc<PrometheusExporter>

Implementations

impl ObservabilityContext

pub fn new() -> Arc<ObservabilityContext>

Create a new observability context.

pub fn start_span(&self, name: impl Into<String>, kind: SpanKind) -> Span

Start a new span.

pub fn start_child_span( &self, parent: &Span, name: impl Into<String>, kind: SpanKind, ) -> Span

Start a child span.

pub fn end_span(&self, span: Span)

End a span.

pub fn prometheus(&self) -> &Arc<PrometheusExporter>

Get Prometheus exporter.

pub fn export_spans(&self) -> Vec<Span>

Export completed spans (for sending to trace backends).

pub fn active_span_count(&self) -> usize

Get active span count.

Trait Implementations

impl Default for ObservabilityContext

fn default() -> ObservabilityContext

Returns the “default value” for a type.