
Chapter 2. Getting started with MQTT 33
--will-payload : payload for the client Will, which is sent by the broker in case of
unexpected disconnection. If not given and will-topic is set, a zero
length message will be sent.
--will-qos : QoS level for the client Will.
--will-retain : if given, make the client Will retained.
--will-topic : the topic on which to publish the client Will.
See http://mosquitto.org/ for more information.
2.4.3 WMQTT Utility
In addition to the command line options listed previously, a GUI client called the WMQTT
Utility can be used to control the publishing and subscribing processes. Some developers find
using the utility ...