Struct SpanContext 

pub struct SpanContext {
    pub trace_id: TraceId,
    pub span_id: SpanId,
    pub parent_span_id: Option<SpanId>,
    pub trace_flags: u8,
}

Span context for propagation.

Fields

trace_id: TraceId

Trace ID.

span_id: SpanId

Span ID.

parent_span_id: Option<SpanId>

Parent span ID if any.

trace_flags: u8

Trace flags (e.g., sampled).

Implementations

impl SpanContext

pub fn new_root() -> Self

Create a new root context.

pub fn child(&self) -> Self

Create a child context.

pub fn is_sampled(&self) -> bool

Check if the trace is sampled.

pub fn to_traceparent(&self) -> String

Create a W3C traceparent header value.

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

Parse from W3C traceparent header.

Trait Implementations

impl Clone for SpanContext

fn clone(&self) -> SpanContext

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SpanContext

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for SpanContext

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for SpanContext

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.