Struct TraceContext 

pub struct TraceContext {
    pub trace_id: String,
    pub span_id: String,
    pub trace_flags: Option<u8>,
    pub trace_state: Option<String>,
}

TraceContext - W3C Trace Context for distributed tracing

Fields

trace_id: String

Trace ID (32 hex chars)

span_id: String

Span ID (16 hex chars)

trace_flags: Option<u8>

Sampling flags

trace_state: Option<String>

Vendor-specific state

Implementations

impl TraceContext

pub fn new() -> Self

Create a new TraceContext with generated IDs

pub fn child_span(&self) -> Self

Create a child span context (same trace, new span)

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

Parse from W3C traceparent header

pub fn to_traceparent(&self) -> String

Format as W3C traceparent header

Trait Implementations

impl Clone for TraceContext

fn clone(&self) -> TraceContext

Returns a duplicate 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.

impl<'de> Deserialize<'de> for TraceContext

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for TraceContext

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

where __S: Serializer,

Serialize this value into the given Serde serializer.