ExtractAndAttach

For details about the mapping between Ascend AI Processors and Ascend products, see Ascend Product Form Description.

Product	Supported (Yes/No)
Atlas A3 training products/Atlas A3 inference products	x
Atlas A2 training products/Atlas A2 inference products	√
Atlas 200I/500 A2 inference products	x
Atlas inference products	√
Atlas training products	x

For Atlas A2 training products/Atlas A2 inference products, only Atlas 800I A2 inference products are supported.

For Atlas inference products, only the Atlas 300I Duo inference card and Atlas 800 inference server (model 3000) are supported.

Parses HTTP Trace information and adds it to the current context.

size_t ExtractAndAttach(const std::string& traceParentOfW3C, const std::string& traceOfB3)

**Table 1** Parameter description
Parameter	Input/Output	Description
traceParentOfW3C	Input	W3C-compliant traceparent string.
traceOfB3	Input	B3-compliant trace string.

Returns the context index, which is used to call Unattach.

Parent topic: TraceContext Class