Class: Test::Propagation::TextMapCodec

Inherits:
Object
  • Object
show all
Defined in:
lib/test/propagation/text_map_codec.rb

Constant Summary collapse

TRACE_ID = 
"trace_id".freeze
SPAN_ID = 
"span_id".freeze
PARENT_SPAN_ID = 
"parent_span_id".freeze

Instance Method Summary collapse

Instance Method Details

#extract(carrier) ⇒ Object 



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# File 'lib/test/propagation/text_map_codec.rb', line 14

def extract(carrier)
  trace_id = carrier[TRACE_ID]
  span_id = carrier[SPAN_ID]
  parent_span_id = carrier[PARENT_SPAN_ID]

  if trace_id && span_id
    SpanContext.new(trace_id: trace_id,
                    span_id: span_id,
                    parent_span_id: parent_span_id)
  end
end

#inject(span_context, carrier) ⇒ Object 



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# File 'lib/test/propagation/text_map_codec.rb', line 8

def inject(span_context, carrier)
  carrier[TRACE_ID] = span_context.trace_id
  carrier[SPAN_ID] = span_context.span_id
  carrier[PARENT_SPAN_ID] = span_context.parent_span_id
end