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feat(telemetry): add cross-node trace context propagation

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Wire trace context into P2P message flow so distributed traces
link across nodes. TX relay injects SpanGuard context via
PropagationHelpers.h; consensus propose/validate injects via
TraceContextPropagator.h. Receive-side extraction in PeerImp
creates child spans for proposals and validations.

- Add TraceBytes struct and SpanGuard::getTraceBytes() for
  extracting raw trace context without OTel type dependencies
- Add PropagationHelpers.h: injectSpanContext(SpanGuard, proto)
- Add ConsensusReceiveTracing.h: proposalReceiveSpan(),
  validationReceiveSpan() with parent context extraction
- NetworkOPs::apply(): inject tx.process context before relay
- RCLConsensus::propose()/validate(): inject active span context
- PeerImp: create receive spans for proposals and validations
  with sender's trace context as parent

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Pratik Mankawde
2026-04-29 14:21:32 +01:00
parent 36c4363c54
commit 12b7316f71
11 changed files with 359 additions and 28 deletions
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2
.github/scripts/levelization/results/loops.txt vendored
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@@ -20,7 +20,7 @@ Loop: xrpld.app xrpld.shamap
xrpld.shamap > xrpld.app
Loop: xrpld.app xrpld.telemetry
xrpld.telemetry == xrpld.app
xrpld.telemetry ~= xrpld.app
Loop: xrpld.overlay xrpld.rpc
xrpld.rpc ~= xrpld.overlay