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Include MultiValueHeaders in DefaultTraceExtractor #202

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Include MultiValueHeaders in DefaultTraceExtractor #202

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8 changes: 7 additions & 1 deletion internal/trace/context.go
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,8 @@ import (

type (
eventWithHeaders struct {
Headers map[string]string `json:"headers"`
Headers map[string]string `json:"headers"`
MultiValueHeaders map[string][]string `json:"multiValueHeaders"`
}

// TraceContext is map of headers containing a Datadog trace context.
Expand Down Expand Up @@ -184,6 +185,11 @@ func getHeadersFromEventHeaders(ctx context.Context, ev json.RawMessage) map[str
for k, v := range eh.Headers {
lowercaseHeaders[strings.ToLower(k)] = v
}
for k, v := range eh.MultiValueHeaders {
if len(v) > 0 {
lowercaseHeaders[strings.ToLower(k)] = v[0]
}
}

return lowercaseHeaders
}
Expand Down