#include <userver/tracing/span_event.hpp>

Detailed Description

Span event – time-stamped annotation of the span with user-provided text description.

See also: https://opentelemetry.io/docs/concepts/signals/traces/#span-events; https://github.com/open-telemetry/opentelemetry-proto/blob/v1.3.2/opentelemetry/proto/trace/v1/trace.proto#L220.

Definition at line 21 of file span_event.hpp.

Public Types
using	Timestamp = std::chrono::time_point<std::chrono::system_clock, std::chrono::nanoseconds>

using	KeyValue = std::unordered_map<std::string, AnyValue>

Public Member Functions
	SpanEvent (std::string_view name)
	Constructor. Creates span event with name and timestamp.

	SpanEvent (std::string_view name, KeyValue attributes)
	Constructor. Creates span event with name, timestamp and attributes.

Public Attributes
std::string	name
	Event name.

Timestamp	timestamp {}
	Event timestamp.

KeyValue	attributes
	Attributes.

Member Typedef Documentation

◆ KeyValue

using tracing::SpanEvent::KeyValue = std::unordered_map<std::string, AnyValue>

Definition at line 23 of file span_event.hpp.

◆ Timestamp

using tracing::SpanEvent::Timestamp = std::chrono::time_point<std::chrono::system_clock, std::chrono::nanoseconds>

Definition at line 22 of file span_event.hpp.

Constructor & Destructor Documentation

◆ SpanEvent() [1/2]

tracing::SpanEvent::SpanEvent ( std::string_view name )

explicit

Constructor. Creates span event with name and timestamp.

Parameters

name	Event name.

◆ SpanEvent() [2/2]

tracing::SpanEvent::SpanEvent	(	std::string_view	name,
		KeyValue	attributes )

Constructor. Creates span event with name, timestamp and attributes.

Parameters

name	Event name.
attributes	Key-value attributes.

Member Data Documentation

◆ attributes

KeyValue tracing::SpanEvent::attributes

Attributes.

See also: https://github.com/open-telemetry/opentelemetry-proto/blob/v1.3.2/opentelemetry/proto/common/v1/common.proto#L64.; https://github.com/open-telemetry/opentelemetry-proto/blob/v1.3.2/opentelemetry/proto/trace/v1/trace.proto#L231.

Collection of unique key-value pairs.

Definition at line 46 of file span_event.hpp.

◆ name

std::string tracing::SpanEvent::name

Event name.

Definition at line 35 of file span_event.hpp.

◆ timestamp

Timestamp tracing::SpanEvent::timestamp {}

Event timestamp.

Definition at line 38 of file span_event.hpp.

The documentation for this struct was generated from the following file:

userver/tracing/span_event.hpp