fn parse_traceparent()

in router/src/logging.rs [24:45]

• 19 lines of code
• 3 McCabe index (conditional complexity)

    fn parse_traceparent(header_value: &str) -> Option<TraceParent> {
        let parts: Vec<&str> = header_value.split('-').collect();
        if parts.len() != 4 {
            return None;
        }

        let version = u8::from_str_radix(parts[0], 16).ok()?;
        if version == 0xff {
            return None;
        }

        let trace_id = TraceId::from_hex(parts[1]).ok()?;
        let parent_id = SpanId::from_hex(parts[2]).ok()?;
        let trace_flags = u8::from_str_radix(parts[3], 16).ok()?;

        Some(TraceParent {
            version,
            trace_id,
            parent_id,
            trace_flags: TraceFlags::new(trace_flags),
        })
    }