tracer-methods: Tracer methods

In ot: 'Open Tracing'

Description

Tracer objects encapsulate the state of the logging system. startSpan creates a span, and inject and extract set metadata via sidechannels.

Usage

startSpan(tracer, name, ...)

inject(tracer, contextObj, format, carrier)

extract(tracer, format, carrier)

Arguments

tracer	the tracing implementation
name	the name of the span
...	left to implementation
contextObj	a span or span context
format	One of the OpenTracing format values
carrier	A corresponding carrier object

Examples

z <- ot::getNoOpTracer()
ot::startSpan(z)
ot::inject(z, list("User-Agent"="R"), "HTTP_HEADERS", NULL)
ot::extract(z, "HTTP_HEADERS", NULL)

ot documentation built on July 8, 2020, 7:34 p.m.