Add support for W3C traceparent header #1680
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cleptric
commented
Jan 17, 2024
| } | ||
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| if (isset($matches['sampled'])) { | ||
| $context->parentSampled = $matches['sampled'] === '01'; |
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https://www.w3.org/TR/trace-context/#trace-flags
While this is a hex-encoded bit field, I think we can get away with just checking for 01, as the other values are either 00 or omitting it altogether.
cleptric
commented
Jan 17, 2024
| $sampled = $this->sampled ? '-01' : '-00'; | ||
| } | ||
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| return sprintf('00-%s-%s%s', (string) $this->traceId, (string) $this->spanId, $sampled); |
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https://www.w3.org/TR/trace-context/#version-format
Hardcoding the version to 00 seems to be okay.
stayallive
approved these changes
Jan 18, 2024
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getsentry/team-sdks#41