Upgrade the library to be compatible with MQTTv5#343
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<!--- Title --> Description ----------- This PR adds overflow checks in the code wherever user input could cause an addition overflow. In addition to that, this PR also updates the code to NOT drop packets. Instead, now coreMQTT sends a property to request the server to send packets which are smaller or equal in length to the user buffer - which should prevent bigger packets from ever reaching the device. Test Steps ----------- <!-- Describe the steps to reproduce. --> Checklist: ---------- <!--- Go over all the following points, and put an `x` in all the boxes that apply. --> <!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! --> - [ ] I have tested my changes. No regression in existing tests. - [ ] I have modified and/or added unit-tests to cover the code changes in this Pull Request. Related Issue ----------- <!-- If any, please provide issue ID. --> By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.
<!--- Title --> Description ----------- <!--- Describe your changes in detail. --> Test Steps ----------- <!-- Describe the steps to reproduce. --> Checklist: ---------- <!--- Go over all the following points, and put an `x` in all the boxes that apply. --> <!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! --> - [ ] I have tested my changes. No regression in existing tests. - [ ] I have modified and/or added unit-tests to cover the code changes in this Pull Request. Related Issue ----------- <!-- If any, please provide issue ID. --> By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.
…358) Description ----------- This PR adds checks and code to pass in NULL to the callback when notifying the application of 'terminal' packets. The terminal packets mean that the coreMQTT library is not allowed to send any packets back to the broker as a response to these packets. Examples of such packets are: SUBACK, UNSUBACK, PUBCOMP, PUBACK and CONNACK.
AniruddhaKanhere
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Approving as this is simply a copy over of the reviewed MQTT v5 work |
kstribrnAmzn
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Mar 3, 2026
archigup
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Mar 3, 2026
AniruddhaKanhere
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patrzhan
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Mar 4, 2026
kstribrnAmzn
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By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.