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Hello, is it possible to have a SetOption??? for the MQTT_CLEAN_SESSION flag. I have some (not permanent powered) devices, they need also messages if they are not online. Thanks |
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Replies: 2 comments 2 replies
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From my understanding (but I may be wrong), in order for this to work QoS = 1 must be used on both sender and receiver. At least this is what the table at the end of this article suggest: http://www.steves-internet-guide.com/mqtt-clean-sessions-example/
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Hello, sure, it needs a little effort to make it working. Tasmota doesn't set a subscription for the qos1 queue automatically. I must do it manually in the broker(I use rabbitmq). But after them, it is working. |
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You can also automate quite easily the build of custom firmware. |
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Here you are |
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From my understanding (but I may be wrong), in order for this to work QoS = 1 must be used on both sender and receiver.
As Tasmota's PubSubClient library only support QoS=0, I fear that Tasmota will not receive messages even if persistent session (cleanSesstion = false) was used.
At least this is what the table at the end of this article suggest: http://www.steves-internet-guide.com/mqtt-clean-sessions-example/