Joseph Doherty
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95cf20b00b
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feat(mqtt): implement CONNECT/CONNACK/DISCONNECT packet handlers
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
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2026-03-01 15:48:22 -05:00 |
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Joseph Doherty
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2e2ffee41a
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feat(mqtt): add MQTT packet parser, dispatch, and ReadLoop integration
Implement Task 2 of MQTT orchestration:
- Create MqttParser.cs with loop-based packet parser and dispatch switch
- Add MqttReader field to MqttHandler for per-connection parsing state
- Wire ReadLoop to call MqttParser for MQTT connections
- Implement PINGREQ handler (enqueues PINGRESP)
- CONNECT-first enforcement (rejects non-CONNECT as first packet)
- Partial packet handling via MqttReader pending buffer
- 13 unit tests covering parser, dispatch, partial packets, and edge cases
- Stub dispatch entries for CONNECT, PUBLISH, SUB, UNSUB, DISCONNECT (NotImplementedException)
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2026-03-01 15:41:45 -05:00 |
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