Struct edm_core::trace::TraceContext

pub struct TraceContext { /* private fields */ }

HTTP headers for distributed tracing. See the spec.

Implementations

impl TraceContext

pub fn new() -> Self

Creates a new instance without parent.

pub fn with_trace_id(trace_id: Uuid) -> Self

Creates a new instance with the specific trace-id.

pub fn child(&self) -> Self

Creates a child of the current trace context.

pub fn from_traceparent(traceparent: &str) -> Option<Self>

Constructs an instance from the traceparent header value.

pub fn from_headers(headers: &HeaderMap) -> Option<Self>

Constructs an instance from the traceparent and tracestate header values.

pub fn span_id(&self) -> u64

Returns the span-id.

pub fn version(&self) -> u8

Returns the version of the spec used.

pub fn trace_id(&self) -> u128

Returns the trace-id.

pub fn parent_id(&self) -> Option<u64>

Returns the parent-id.

pub fn trace_flags(&self) -> u8

Returns the trace-flags.

pub fn sampled(&self) -> bool

Returns true if the sampled flag has been enabled.

pub fn random_trace_id(&self) -> bool

Returns true if the random-trace-id flag has been enabled.

pub fn set_sampled(&mut self, sampled: bool)

Sets the sampled flag.

pub fn set_random_trace_id(&mut self, random: bool)

Sets the random-trace-id flag.

pub fn trace_state_mut(&mut self) -> &mut TraceState

Returns a mutable reference to the trace state.

pub fn traceparent(&self) -> String

Formats the traceparent header value.

pub fn tracestate(&self) -> String

Formats the tracestate header value.

Trait Implementations

impl Clone for TraceContext

fn clone(&self) -> TraceContext

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TraceContext

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

Formats the value using the given formatter.

impl Default for TraceContext

fn default() -> Self

Returns the “default value” for a type.