Module trace 

Structs

CurrentRequestId

Request extension value set by REST middleware for downstream clients.

Constants

REQUEST_ID_HEADER

Standard correlation header used by rs-zero REST and RPC adapters.

TRACEPARENT_HEADER

W3C Trace Context header.

Functions

current_span_id

Returns the current OpenTelemetry span id when an OTLP context is active.

current_trace_id

Returns the current OpenTelemetry trace id when an OTLP context is active.

current_traceparent

Returns a W3C traceparent value for the current span when OTLP context is active.

insert_traceparent_header

Inserts a W3C traceparent header into HTTP headers.

insert_traceparent_metadata

Inserts a traceparent value into tonic metadata.

request_id_from_headers

Extracts a request id from HTTP headers.

request_id_from_metadata

Extracts a request id from tonic metadata.

span_id_from_traceparent

Extracts the span id part from a valid traceparent value.

trace_id_from_traceparent

Extracts the trace id part from a valid traceparent value.

traceparent_from_headers

Extracts a valid W3C traceparent header from HTTP headers.

traceparent_from_metadata

Extracts a valid W3C traceparent value from tonic metadata.