trace_parent.rb in opentelemetry-api-0.5.0

- old
+ new

@@ -23,10 +23,14 @@
           private_constant :MAX_VERSION
 
           REGEXP = /^(?<version>[A-Fa-f0-9]{2})-(?<trace_id>[A-Fa-f0-9]{32})-(?<span_id>[A-Fa-f0-9]{16})-(?<flags>[A-Fa-f0-9]{2})(?<ignored>-.*)?$/.freeze
           private_constant :REGEXP
 
+          INVALID_TRACE_ID = OpenTelemetry::Trace::INVALID_TRACE_ID.unpack1('H*')
+          INVALID_SPAN_ID = OpenTelemetry::Trace::INVALID_SPAN_ID.unpack1('H*')
+          private_constant :INVALID_TRACE_ID, :INVALID_SPAN_ID
+
           class << self
             # Creates a new {TraceParent} from a supplied {Trace::SpanContext}
             # @param [SpanContext] ctx The context
             # @return [TraceParent] a trace parent
             def from_context(ctx)
@@ -69,21 +73,21 @@
 
               v
             end
 
             def parse_trace_id(string)
-              raise InvalidTraceIDError, string if string == OpenTelemetry::Trace::INVALID_TRACE_ID
+              raise InvalidTraceIDError, string if string == INVALID_TRACE_ID
 
               string.downcase!
-              string
+              Array(string).pack('H*')
             end
 
             def parse_span_id(string)
-              raise InvalidSpanIDError, string if string == OpenTelemetry::Trace::INVALID_SPAN_ID
+              raise InvalidSpanIDError, string if string == INVALID_SPAN_ID
 
               string.downcase!
-              string
+              Array(string).pack('H*')
             end
 
             def parse_flags(string)
               OpenTelemetry::Trace::TraceFlags.from_byte(string.to_i(16))
             end
@@ -100,10 +104,10 @@
           end
 
           # converts this object into a string according to the w3c spec
           # @return [String] the serialized trace_parent
           def to_s
-            "00-#{trace_id}-#{span_id}-#{flag_string}"
+            "00-#{trace_id.unpack1('H*')}-#{span_id.unpack1('H*')}-#{flag_string}"
           end
 
           private
 
           def flag_string