Struct replicante_util_tracing::carriers::iron::HeadersCarrier

pub struct HeadersCarrier<'a> { /* fields omitted */ }

Implement the MapCarrier trait for Iron's Headers.

Methods

impl<'a> HeadersCarrier<'a>

pub fn new(headers: &'a mut Headers) -> HeadersCarrier<'a>

Mutably borrow a response so it can be serialised.

pub fn inject(
    context: &SpanContext,
    headers: &mut Headers,
    tracer: &Tracer
) -> OTResult<()>

Inject a SpanContext into the given Iron headers.

pub fn child_of(
    name: &str,
    headers: &mut Headers,
    tracer: &Tracer
) -> OTResult<Span>

Create a new span as a child of the context in the headers.

If the headers do not include any context the span will be a root span.

pub fn extract(
    headers: &mut Headers,
    tracer: &Tracer
) -> OTResult<Option<SpanContext>>

Checks the headers for a span context and extract it if possible.

pub fn follows_from(
    name: &str,
    headers: &mut Headers,
    tracer: &Tracer
) -> OTResult<Span>

Create a new span as a followe of the context in the headers.

If the headers do not include any context the span will be a root span.

Trait Implementations

impl<'a> MapCarrier for HeadersCarrier<'a>

fn items(&self) -> Vec<(&String, &String)>

List all items stored in the carrier as (key, value) pairs.

fn get(&self, key: &str) -> Option<String>

Attempt to fetch an exact key from the carrier.

fn set(&mut self, key: &str, value: &str)

Set a key/value pair on the carrier.