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Support for MQTT v5.x #267

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srnae05 opened this issue Nov 13, 2023 · 3 comments
Open

Support for MQTT v5.x #267

srnae05 opened this issue Nov 13, 2023 · 3 comments
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enhancement New feature or request help wanted Extra attention is needed

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@srnae05
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srnae05 commented Nov 13, 2023

The AWS MQTT broker supports MQTT v5.x. To make the most out of integration of devices to AWS MQTT broker using MQTT v5.x, the coreMQTT library needs an update as it currently is compliant to MQTT v3.x
Could this update be considered ?

Thank you.
@cookpate cookpate added the enhancement New feature or request label Nov 13, 2023
@cookpate
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MQTT 5 is on our roadmap; however, we don't think anybody is working on it right now.
We would be grateful for any contributions made to accelerate its delivery.

@cookpate cookpate added the help wanted Extra attention is needed label Nov 21, 2023
@jnz86
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jnz86 commented Jan 6, 2024

Checking in and interested. None of the features look all too difficult. But... Without pointing fingers, a lot of the CoreMQTT code is written in a fairly complex way and I suspect almost no one is going to tackle this on their own.

If someone at Amazon were to scaffold out the required hooks, it seems much more likely for independent contributors to jump in.

@amazonKamath
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@srnae05 @jnz86 we started working on MQTTv5. Here is the draft PR #301. It is not ready yet, and only supports connect, publish and disconnect. Subscribe is not implemented. It would be great if you can help test it out for your use cases and give us some feedback? Thank you.

vishwamartur added a commit to vishwamartur/coreMQTT that referenced this issue Oct 31, 2024
@vishwamartur
Add support for MQTT v5.x
056c1b4 
Related to FreeRTOS#267

Add support for MQTT v5.x to the coreMQTT library.

* **manifest.yml**
  - Update `version` to "v5.0.0+".
  - Update `description` to include MQTT v5.0 support.

* **source/core_mqtt_serializer.c**
  - Add definition for MQTT protocol version 5.0.
  - Implement serialization and deserialization for MQTT v5.x packets.
  - Add handling for MQTT v5.x properties in `serializeConnectPacket`.

* **source/include/core_mqtt_config_defaults.h**
  - Add configuration option for enabling MQTT v5.x support.
  - Define `MQTT_VERSION_5_ENABLED` macro.

* **source/include/transport_interface.h**
  - Add support for MQTT v5.x in transport interface.
  - Update `TransportInterface_t` to handle MQTT v5.x packets.
@vishwamartur vishwamartur mentioned this issue Oct 31, 2024
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@jnz86 @srnae05 @amazonKamath @cookpate