Joseph Doherty
95cf20b00b
feat(mqtt): implement CONNECT/CONNACK/DISCONNECT packet handlers
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Implement Task 3 of MQTT orchestration:
- Create MqttPacketHandlers.cs with ParseConnect(), ProcessConnect(), EnqueueConnAck(), HandleDisconnect()
- Wire CONNECT and DISCONNECT dispatch in MqttParser.cs
- Parse CONNECT: protocol name/level, flags, keep-alive, client ID, will, auth
- Send CONNACK (4-byte fixed packet with return code)
- DISCONNECT clears will message and closes connection cleanly
- Auto-generate client ID for empty ID + clean session
- Validate reserved bit, will flags, username/password consistency
- Add Reader field to MqttHandler for per-connection parsing
- 11 unit tests for CONNECT parsing and processing
- 1 end-to-end integration test: TCP → CONNECT → CONNACK over the wire
2026-03-01 15:48:22 -05:00
Joseph Doherty
6fb7f43335
feat(mqtt): add MQTT listener, client creation, and shutdown wiring
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Wire up the MQTT server-side orchestration layer (Task 1 of 7):
- Create NatsServer.Mqtt.cs with StartMqttListener(), CreateMqttClient(), MqttAddr()
- Forward MqttHandler.StartMqtt() to server.StartMqttListener()
- Add _mqttListener to Shutdown() doneExpected counting
- Fix ReadyForConnections to recognize active MQTT listener
- Handle RandomPort (-1) as ephemeral for MQTT listener
- Remove duplicate Mqtt field from ClientConnection.cs (already in ClientConnection.Mqtt.cs)
- Add 2 MQTT boot integration tests (accept + shutdown lifecycle)
2026-03-01 15:35:41 -05:00
