Generate a W3C Traceparent Header — traceparent • securetrace

Creates a W3C Trace Context traceparent header string from trace and span identifiers. The format follows the W3C Trace Context specification.

Usage

traceparent(trace_id, span_id, sampled = TRUE)

Arguments

trace_id: Character. A 32 lowercase hex character trace identifier.
span_id: Character. A 16 lowercase hex character span identifier.
sampled: Logical. Whether the trace is sampled. TRUE sets flags to "01", FALSE sets flags to "00". Default TRUE.

Value

A character string in the format "00-{trace_id}-{span_id}-{flags}".

Examples

traceparent(
  "4bf92f3577b34da6a3ce929d0e0e4736",
  "00f067aa0ba902b7"
)
#> [1] "00-4bf92f3577b34da6a3ce929d0e0e4736-00f067aa0ba902b7-01"

traceparent(
  "4bf92f3577b34da6a3ce929d0e0e4736",
  "00f067aa0ba902b7",
  sampled = FALSE
)
#> [1] "00-4bf92f3577b34da6a3ce929d0e0e4736-00f067aa0ba902b7-00"