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67a3881c7c95bc9268ee0215d77bb79d2e52c37e
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Author SHA1 Message Date
Joseph Doherty
67a3881c7c feat: populate TLS certificate expiry and OCSP peer verify in /varz 
Load the server TLS certificate from disk during each /varz request to
read its NotAfter date and expose it as tls_cert_not_after. Also wire
OcspPeerVerify from NatsOptions into the tls_ocsp_peer_verify field.
Both fields were already declared in the Varz model but left unpopulated.
 2026-02-23 04:26:45 -05:00
Joseph Doherty
7c324843ff feat: add per-client trace mode flag with dynamic parser logger 2026-02-23 04:26:15 -05:00
Joseph Doherty
cd87a48343 feat: add Windows Service integration via --service flag 
Adds Microsoft.Extensions.Hosting.WindowsServices package and a --service
CLI flag to Program.cs that logs service mode activation, enabling future
Windows Service lifecycle management.
 2026-02-23 04:26:04 -05:00
Joseph Doherty
f316e6e86e feat: add OcspMode enum, OcspConfig class, and wire into NatsOptions 
Introduces NATS.Server.Tls.OcspMode (Auto/Always/Must/Never matching
Go ocsp.go constants) and OcspConfig with Mode and OverrideUrls. Adds
OcspConfig? and OcspPeerVerify to NatsOptions for stapling configuration
and peer certificate revocation checking. Covered by 12 new unit tests.
 2026-02-23 04:23:14 -05:00
Joseph Doherty
c8b347cb96 feat: implement IAccountResolver interface and MemAccountResolver 
Adds the IAccountResolver interface (FetchAsync, StoreAsync, IsReadOnly)
and a MemAccountResolver backed by ConcurrentDictionary for in-memory
JWT storage in tests and simple operator deployments.

Reference: golang/nats-server/server/accounts.go:4035+
 2026-02-23 04:22:36 -05:00
Joseph Doherty
9f88b034eb docs: add implementation plan for remaining lower-priority gaps 
14-task plan covering JWT auth (4 tasks), subject transforms (2 tasks),
OCSP support (2 tasks), and quick wins (5 tasks) + differences.md update.
Includes parallelization guide, TDD steps, and task persistence.
 2026-02-23 04:20:24 -05:00
Joseph Doherty
f533bf0945 docs: add design document for remaining lower-priority gaps 
Covers JWT authentication, subject mapping/transforms, OCSP support,
Windows Service integration, per-subsystem logging, per-client trace,
per-account stats, and TLS cert expiry in /varz.
 2026-02-23 04:12:45 -05:00
Joseph Doherty
fadbbf463c docs: add detailed implementation plan for config parsing and hot reload 
8 tasks with TDD steps, complete test code, exact file paths,
and dependency chain from lexer through to verification.
 2026-02-23 04:12:11 -05:00
Joseph Doherty
65fac32a14 docs: add config parsing and hot reload design document 
Captures the design for resolving the two remaining high-priority gaps
in differences.md: config file parsing and SIGHUP hot reload.
 2026-02-23 04:06:16 -05:00
Joseph Doherty
cc5ce63cb9 Merge branch 'feature/sections-7-10-gaps' into main 2026-02-23 03:34:00 -05:00
Joseph Doherty
56de543713 docs: update differences.md sections 7-10 to reflect implemented features 2026-02-23 01:08:34 -05:00
Joseph Doherty
42c7c9cb7a docs: update differences.md sections 3-6 and 9 to reflect implemented features 
Update comparison tables for protocol parsing (tracing, MIME headers, INFO caching,
Span-based MSG), subscriptions (generation ID, Stats, SubjectsCollide, token utils,
account limits), auth (deny enforcement, LRU cache, response permissions, auth expiry),
configuration (CLI flags, MaxSubs, Tags, file logging), and logging (trace/debug modes,
file output). Mark 11 summary items as resolved.
 2026-02-23 01:07:14 -05:00
Joseph Doherty
8878301c7f test: add file logging and rotation tests 2026-02-23 01:05:10 -05:00
Joseph Doherty
e31ba04fdb feat: add closed connection tracking, state filtering, ByStop/ByReason sorting 2026-02-23 01:01:56 -05:00
Joseph Doherty
dab8004d6b feat: cache INFO serialization — build once at startup instead of per-connection 
Avoids re-serializing the same ServerInfo JSON on every new connection. The
cache is rebuilt when the ephemeral port is resolved. Connections that carry a
per-connection nonce (NKey auth) continue to serialize individually so the nonce
is included correctly.
 2026-02-23 01:01:38 -05:00
Joseph Doherty
f0b5edd7c6 feat: add response permission tracking for dynamic reply subject authorization 2026-02-23 00:59:15 -05:00
Joseph Doherty
1806ae607e test: add TLS rate limiter unit tests 2026-02-23 00:57:14 -05:00
Joseph Doherty
1f13269447 feat: implement TLS cert-to-user mapping via X500 DN matching 2026-02-23 00:55:29 -05:00
Joseph Doherty
7a897c1087 feat: add MaxSubs enforcement, delivery-time deny filtering, auto-unsub cleanup 2026-02-23 00:53:15 -05:00
Joseph Doherty
e9b6c7fdd3 feat: add protocol tracing (<<- op arg) at LogLevel.Trace 2026-02-23 00:52:00 -05:00
Joseph Doherty
1269ae8275 feat: implement /subz endpoint with account filter, test subject, and pagination 2026-02-23 00:50:26 -05:00
Joseph Doherty
0347e8a28c fix: increment _removes counter in RemoveBatch for accurate stats 2026-02-23 00:48:53 -05:00
Joseph Doherty
6afe11ad4d feat: add per-account connection/subscription limits with AccountConfig 2026-02-23 00:46:16 -05:00
Joseph Doherty
345e7ca15c feat: implement log reopening on SIGUSR1 signal 2026-02-23 00:46:09 -05:00
Joseph Doherty
cc0fe04f3c feat: add generation-based cache, Stats, HasInterest, NumInterest, RemoveBatch, All, ReverseMatch to SubList 2026-02-23 00:45:28 -05:00
Joseph Doherty
cf75077bc4 feat: add CLI flags for debug/trace modes, file logging, syslog, color, timestamps 2026-02-23 00:43:27 -05:00
Joseph Doherty
4ad821394b feat: add -D/-V/-DV debug/trace CLI flags and file logging support 2026-02-23 00:41:49 -05:00
Joseph Doherty
b7c0e321d9 fix: move stale connection stat increments to detection site in RunPingTimerAsync 2026-02-23 00:41:12 -05:00
Joseph Doherty
0ec5583422 fix: address code quality review findings for batch 1 
- SubjectsCollide: split tokens once upfront instead of O(n²) TokenAt calls
- NatsHeaderParser: manual digit accumulation avoids string allocation and overflow
- NatsHeaders: use IReadOnlyDictionary for Headers, immutable Invalid sentinel
- PermissionLruCache: add missing Count property
 2026-02-23 00:40:14 -05:00
Joseph Doherty
cd4ae3cce6 feat: add stale connection stats tracking and varz exposure 2026-02-23 00:38:43 -05:00
Joseph Doherty
eb25d52ed5 feat: add RTT tracking and first-PING delay to NatsClient 2026-02-23 00:34:30 -05:00
Joseph Doherty
dddced444e feat: add NumTokens, TokenAt, SubjectsCollide, UTF-8 validation to SubjectMatch 2026-02-23 00:33:43 -05:00
Joseph Doherty
e87d4c00d9 feat: add NatsHeaderParser for MIME header parsing 2026-02-23 00:33:24 -05:00
Joseph Doherty
7cf6bb866e feat: add PermissionLruCache (128-entry LRU) and wire into ClientPermissions 2026-02-23 00:33:15 -05:00
Joseph Doherty
17a0a217dd feat: add MaxSubs, MaxSubTokens, Debug, Trace, LogFile, LogSizeLimit, Tags to NatsOptions 2026-02-23 00:32:12 -05:00
Joseph Doherty
573cd06bb1 feat: add logging and timestamp options to NatsOptions 2026-02-23 00:29:45 -05:00
Joseph Doherty
a0f02d6641 chore: add Serilog.Sinks.File and SyslogMessages packages 2026-02-23 00:28:32 -05:00
Joseph Doherty
5b383ada4b docs: add implementation plan for sections 3-6 gaps 2026-02-23 00:28:31 -05:00
Joseph Doherty
060e1ee23d docs: add implementation plan for sections 7-10 gaps 2026-02-23 00:25:04 -05:00
Joseph Doherty
f4efbcf09e docs: add design for sections 7-10 gaps implementation 2026-02-23 00:17:35 -05:00
Joseph Doherty
f86ea57f43 docs: add design for sections 3-6 gaps implementation 2026-02-23 00:17:24 -05:00
Joseph Doherty
3941c85e76 Merge branch 'feature/core-lifecycle' into main 
Reconcile close reason tracking: feature branch's MarkClosed() and
ShouldSkipFlush/FlushAndCloseAsync now use main's ClientClosedReason
enum. ClosedState enum retained for forward compatibility.
 2026-02-23 00:09:30 -05:00
Joseph Doherty
2baf8a85bf docs: update differences.md section 2 to reflect implemented features 2026-02-22 23:59:19 -05:00
Joseph Doherty
f5c0c4f906 feat: wire pending bytes and close reason into connz monitoring 2026-02-22 23:57:39 -05:00
Joseph Doherty
5323c8bb30 docs: update differences.md section 1 to reflect core lifecycle implementation 2026-02-22 23:56:57 -05:00
Joseph Doherty
2fb14821e0 feat: add no-responders CONNECT validation and tests 
Reject connections that send no_responders:true without headers:true,
since the 503 HMSG response requires header support. Add three tests:
connection rejection, acceptance with headers, and 503 delivery flow.
 2026-02-22 23:56:49 -05:00
Joseph Doherty
04305447f9 feat: implement verbose mode (+OK after commands) 
When a client sends CONNECT {"verbose":true}, the server now responds
with +OK\r\n after successfully processing CONNECT, PING, SUB, UNSUB,
and PUB/HPUB commands, matching the Go NATS server behavior.
 2026-02-22 23:54:41 -05:00
Joseph Doherty
df39ebdc58 feat: add signal handling (SIGTERM, SIGUSR2, SIGHUP) and CLI stubs 2026-02-22 23:52:49 -05:00
Joseph Doherty
bce793fd42 perf: batch stat increments per read cycle in ProcessCommandsAsync 
Accumulate InMsgs/InBytes locally per ReadAsync cycle and flush once,
reducing from 4 Interlocked operations per published message to 2 per
read cycle. This matches the Go server's approach of batching stats.
 2026-02-22 23:52:09 -05:00
Joseph Doherty
e57605f090 feat: add PID file and ports file support 2026-02-22 23:50:22 -05:00