Struct opentelemetry::api::trace::b3_propagator::B3Propagator

pub struct B3Propagator { /* fields omitted */ }

Extracts and injects SpanContexts into Carriers using B3 header format.

Methods

impl B3Propagator

pub fn new(single_header: bool) -> Self

Create a new HttpB3Propagator.

Trait Implementations

impl Debug for B3Propagator

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

Formats the value using the given formatter.

impl HttpTextFormat for B3Propagator

fn inject(&self, context: SpanContext, carrier: &mut dyn Carrier)

Properly encodes the values of the SpanContext and injects them into the Carrier.

fn extract(&self, carrier: &dyn Carrier) -> SpanContext

Retrieves encoded SpanContexts using the Carrier. It decodes the SpanContext and returns it. If no SpanContext was retrieved OR if the retrieved SpanContext is invalid then an empty SpanContext is returned.