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[mqtt] Support birth and shutdown message (#12152)

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Signed-off-by: Jimmy Tanagra <jcode@tanagra.id.au>
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jimtng
2022-02-03 21:42:54 +10:00
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parent ca1e2b0e42
commit 80819ca503
4 changed files with 89 additions and 10 deletions
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bundles/org.openhab.binding.mqtt/README.md
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@@ -38,10 +38,22 @@ Reconnect parameters are:
An MQTT last will and testament can be configured:
* __lwtMessage__: An optional last will and testament message. Defaults to empty.
* __lwtTopic__: The last will topic. Defaults to empty and therefore disables the last will.
* __lwtQos__: The optional qos of the last will. Defaults to 0.
* __lwtRetain__: Retain last will message. Defaults to false.
* __lwtMessage__: An optional last will and testament message. Defaults to empty.
* __lwtTopic__: The last will topic. Defaults to empty and therefore disables the last will.
* __lwtQos__: The optional qos of the last will. Defaults to 0.
* __lwtRetain__: Retain last will message. Defaults to true.
An MQTT message can be published upon a successful connection to the MQTT broker with these parameters:
* __birthMessage__: An optional message to be published once the bridge established a connection to the MQTT broker. Defaults to empty.
* __birthTopic__: The birth topic. Defaults to empty and therefore no birth message will be published.
* __birthRetain__: Retain the birth message. Defaults to true.
An MQTT message can be published just before disconnecting from the broker with these parameters:
* __shutdownMessage__: An optional message to be published before the bridge disconnects from the MQTT broker. Defaults to empty.
* __shutdownTopic__: The shutdown topic. Defaults to empty and therefore no shutdown message will be published.
* __shutdownRetain__: Retain the shutdown message. Defaults to true.
For more security, the following optional parameters can be altered: