Struct SpanContext 

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

Span context for trace propagation

Fields

trace_id: String

Trace ID (128-bit hex)

span_id: String

Span ID (64-bit hex)

trace_flags: u8

Trace flags

trace_state: Option<String>

Trace state

Implementations

impl SpanContext

pub fn new(trace_id: impl Into<String>, span_id: impl Into<String>) -> Self

Create a new span context

pub fn generate_trace_id() -> String

Generate a new trace ID

pub fn generate_span_id() -> String

Generate a new span ID

pub fn new_root() -> Self

Create a new root span context

pub fn new_child(&self) -> Self

Create a child span context

pub fn to_traceparent(&self) -> String

Convert to W3C trace context header value

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

Parse from W3C trace context 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.