Sensor & Actuator Network MQTT Clients

Installation

Clone this repository and run mvn package -DskipTests=true at root.

Usage

Run the jar containing the dependencies using java -jar client-$version-jar-with-dependencies.jar, with the right arguments.

usage: ./client.jar [-a] [-id <id>] [-p <port>] -s <server> [-S] [-t <topic> <QoS>]
 -a,--actuator              The client is an actuator, once started, it is going to idle, waiting for broker's messages.
 -id,--identifier <id>      The client identified.
 -p,--port <port>           Specific port, other than 8883.
 -s,--server <server>       URI of the MQTT broker. Default port: 8883
 -S,--sensor                The client is a sensor, once started, the prompt will ask for messages to send to the broker.
 -t,--topic <topic> <QoS>   Topic to subscribe or publish to, and its QoS.

Examples

Creating a sensor publishing on the given topic

java -jar client.jar -s tcp://localhost -p 1883 -id sensor01 -t topic01 0 --sensor

This creates a sensor. The messages have to be provided by hand in the console, and will be sent to the provided topic with the given QoS.

Creating an actuator publishing on the given topic

java -jar client.jar -s tcp://localhost -p 1883 -id actuator01 -t topic01 0 --actuator

This creates an actuator, that listens to the given topic.