Struct RequestSpan 

pub struct RequestSpan {
    pub request_id: String,
    pub parent_span_id: Option<String>,
    pub operation: String,
    pub start_time: Instant,
    pub metadata: Vec<(String, String)>,
}

Request span for distributed tracing

Fields

request_id: String

Unique request ID (for correlation)

parent_span_id: Option<String>

Parent span ID (if any)

operation: String

Operation name

start_time: Instant

Start timestamp

metadata: Vec<(String, String)>

Metadata

Implementations

impl RequestSpan

pub fn new(operation: impl Into<String>) -> Self

Create a new request span

pub fn with_metadata( self, key: impl Into<String>, value: impl Into<String>, ) -> Self

Add metadata to span

pub fn elapsed(&self) -> Duration

Get elapsed duration since span creation

pub fn elapsed_ms(&self) -> f64

Get elapsed milliseconds

Trait Implementations

impl Clone for RequestSpan

fn clone(&self) -> RequestSpan

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RequestSpan

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

Formats the value using the given formatter.