Struct Span 

pub struct Span {
    pub trace_id: TraceId,
    pub span_id: SpanId,
    pub parent_span_id: Option<SpanId>,
    pub name: String,
    pub kind: SpanKind,
    pub start_time: Instant,
    pub end_time: Option<Instant>,
    pub status: SpanStatus,
    pub attributes: HashMap<String, AttributeValue>,
    pub events: Vec<SpanEvent>,
}

An OpenTelemetry-compatible span.

Fields

trace_id: TraceId

Trace ID.

span_id: SpanId

Span ID.

parent_span_id: Option<SpanId>

Parent span ID (if any).

name: String

Span name.

kind: SpanKind

Span kind.

start_time: Instant

Start time.

end_time: Option<Instant>

End time (if completed).

status: SpanStatus

Status.

attributes: HashMap<String, AttributeValue>

Attributes (key-value pairs).

events: Vec<SpanEvent>

Events recorded during span.

Implementations

impl Span

pub fn new(name: impl Into<String>, kind: SpanKind) -> Self

Create a new span.

pub fn child(&self, name: impl Into<String>, kind: SpanKind) -> Self

Create a child span.

pub fn set_attribute( &mut self, key: impl Into<String>, value: impl Into<AttributeValue>, )

Set an attribute.

pub fn add_event(&mut self, name: impl Into<String>)

Add an event.

pub fn add_event_with_attributes( &mut self, name: impl Into<String>, attributes: HashMap<String, AttributeValue>, )

Add an event with attributes.

pub fn set_ok(&mut self)

Set status to OK.

pub fn set_error(&mut self, message: impl Into<String>)

Set error status.

pub fn end(&mut self)

End the span.

pub fn duration(&self) -> Duration

Get span duration.

pub fn is_ended(&self) -> bool

Check if span is ended.

Trait Implementations

impl Clone for Span

fn clone(&self) -> Span

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Span

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

Formats the value using the given formatter.