Hi,
With libmosquitto, how does the caller find out if a request to
publish has failed?
mosquitto_publish() returns an error code immediately, but I assume
that publishing is asynchronous as mosquitto_publish_callback_set()
exists.
The callback passed to mosquitto_publish_callback_set() only gets fed
the context, mid and userdata.
Is there a way to discover that an asynchronous request to publish has
failed?
Or is it that libmosquitto will always publish or fail immediately?
Thanks.
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