ginuerzh bc3d12ec2c fix(metrics): add doc comments, fix labels mutation and nil returns, add idempotent Close, add nil guards, add tests ...

- Fix promMetrics.Gauge/Counter/Observer mutating caller's labels map by
  using maps.Copy instead of direct assignment
- Fix Gauge/Counter/Observer returning nil for unknown metric names
  (now return noop implementations)
- Fix metricService.Close() race with sync.Once for safe concurrent calls
- Fix SetDSCP returning nil instead of errUnsupport on unsupported ops
- Add nil guards to WrapConn, WrapPacketConn, WrapUDPConn, WrapListener
- Add doc comments to all exported symbols
- Add 45 unit tests (metrics, noop, prom, service, wrapper)

2026-05-24 22:50:41 +08:00

..

service

fix(metrics): add doc comments, fix labels mutation and nil returns, add idempotent Close, add nil guards, add tests

2026-05-24 22:50:41 +08:00

wrapper

fix(metrics): add doc comments, fix labels mutation and nil returns, add idempotent Close, add nil guards, add tests

2026-05-24 22:50:41 +08:00

metrics_test.go

fix(metrics): add doc comments, fix labels mutation and nil returns, add idempotent Close, add nil guards, add tests

2026-05-24 22:50:41 +08:00

metrics.go

fix(metrics): add doc comments, fix labels mutation and nil returns, add idempotent Close, add nil guards, add tests

2026-05-24 22:50:41 +08:00

noop_test.go

fix(metrics): add doc comments, fix labels mutation and nil returns, add idempotent Close, add nil guards, add tests

2026-05-24 22:50:41 +08:00

noop.go

fix(metrics): add doc comments, fix labels mutation and nil returns, add idempotent Close, add nil guards, add tests

2026-05-24 22:50:41 +08:00

prom_test.go

fix(metrics): add doc comments, fix labels mutation and nil returns, add idempotent Close, add nil guards, add tests

2026-05-24 22:50:41 +08:00

prom.go

fix(metrics): add doc comments, fix labels mutation and nil returns, add idempotent Close, add nil guards, add tests

2026-05-24 22:50:41 +08:00