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docs: add docstrings across internal packages#143

Merged
poyrazK merged 6 commits intomainfrom
release/docstrings
May 7, 2026
Merged

docs: add docstrings across internal packages#143
poyrazK merged 6 commits intomainfrom
release/docstrings

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@poyrazK
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@poyrazK poyrazK commented May 7, 2026

Summary

Add docstrings to all non-obvious undocumented functions across internal packages.

Changes

4 commits covering:

  • internal/core/services/: health_monitor + dns_service docstrings
  • internal/dns/server/: server handlers, recursive resolver, ratelimit, utilities
  • internal/dns/packet/: countLabels utility
  • cmd/clouddns + internal/adapters/routing/: main entry point and routing adapter

Coverage improvement

Package Before After
internal/core/services 84.2% 100%
internal/dns/server 47.1% 90.6%
cmd/clouddns 75.0% 100%
internal/dns/packet 98.5% 100%
internal/adapters/routing 84.6% 100%

Skipped: heap interface methods (Len/Less/Swap/Push/Pop), lock methods (Lock/Unlock), error interface (Error) — self-explanatory boilerplate.

Test plan

  • go build ./...
  • go test ./... -timeout 60s

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📥 Commits

Reviewing files that changed from the base of the PR and between 82c0d02 and a99a8de.

📒 Files selected for processing (10)
  • cmd/clouddns/main.go
  • internal/adapters/routing/system_vip.go
  • internal/core/services/dns_service.go
  • internal/core/services/health_monitor.go
  • internal/dns/packet/dnssec.go
  • internal/dns/server/client.go
  • internal/dns/server/ratelimit.go
  • internal/dns/server/recursive.go
  • internal/dns/server/reuseport_windows.go
  • internal/dns/server/server.go
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  • Create PR with unit tests
  • Commit unit tests in branch release/docstrings

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poyrazK added 6 commits May 7, 2026 15:16
- health_monitor.go: document runChecks, probeRecord, probeHTTP, probeTCP
- dns_service.go: document CreateZone, CreateRecord, Resolve, ListZones,
  ListRecordsForZone, DeleteZone, DeleteRecord, ImportZone, audit, filterHealthy
Document: generateServerCookie, padResponse, automateDNSSEC,
startInvalidationListener, handleDoH, udpWorker, handleUDPConnection,
handleTCPConnection, handleAXFR, sendTCPError, handlePacket, handleNotify,
handleUpdate, handleIXFR, signResponse, groupRecords, sendSingleRecordResponse,
sendUpdateResponse, checkPrerequisite, notifySlaves, generateNSEC, generateNSEC3,
generateTypeBitMap, queryTypeToRecordType, refreshZone, performIXFR,
performAXFR, newRateLimiter, Allow, fnv32, lockKey
Document: newRecursiveResolver, getShuffledRoots, resolveRecursive,
generateTransactionID, sendQuery, sendQueryInternal, sendTCPQuery,
findNextNS, setReusePort, countLabels
Document: main, run, getEnvUint32 in cmd/clouddns; Run, handleUnsupportedOS in routing
The stash conflict resolution introduced a syntax error (<// comment)
and dropped the ctx argument from the probeTCP call in probeRecord.
Also fixes test calls that omitted the ctx argument.
@poyrazK poyrazK force-pushed the release/docstrings branch from 7c6441f to a99a8de Compare May 7, 2026 12:17
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It's okay to merge

@poyrazK poyrazK merged commit cb02028 into main May 7, 2026
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