wolfMQTT broker: ordering, persistence, offline queue, AES-GCM at rest#538

Merged

embhorn merged 10 commits into

wolfSSL:masterfrom

dgarske:broker_features

Jun 8, 2026

Commits on May 15, 2026

Add per-subscriber outbound queue with v5 Receive Maximum honoring and inflight cap
dgarske
committed
Add broker persistence layer (hooks API, POSIX backend, sessions, subscriptions, retained messages, schema-wipe-on-mismatch, static-memory restore)
dgarske
committed
Add offline message queue with cross-restart replay (orphan sessions, NS_OUTQ persist, v5 Session Expiry Interval)
dgarske
committed
Add optional AES-GCM encryption at rest for persisted broker records
dgarske
committed
Fixes from PR review: CI flake, retransmit DUP=1, key cache, schema header
dgarske
committed
mqtt-sub: do not treat MQTT_CODE_CONTINUE as error in non-blocking read loop
dgarske
committed
Fix MacOS broker test.
dgarske
committed

Commits on May 18, 2026

Peer review fixes (thanks Copilot)
dgarske
committed

Commits on Jun 5, 2026

Broker: fix QoS2 PUBREL resume, inflight, packet-id, expiry, orphan purge
dgarske
committed

Commits on Jun 8, 2026

Peer review fixes (thank you embhorn)
dgarske
committed