MQTTV3Sample program

Reference information about sample syntax and parameters for the MQTTV3Sample program.


Purpose

The MQTTV3Sample program can be used to publish a message and subscribe to a topic.

MQTTV3Sample syntax

MQTTV3Sample -h -qfalse-qtrue-apublish-asubscribe-tSYSTEM.BASE.TOPIC-ttopic-mdefault text-mmessage text-s2-s0-s1-blocalhost-bhost name-bIP address-p1883-pport


Parameters

    -h
    Print this help text and quit
    -q
    Set quiet mode, instead of using the default mode of false.
    -a
    Set publish or subscribe, instead of assuming the default action of publishing.
    -t
    Publish or subscribe to topic, instead of publishing or subscribing to the default topic
    -m
    Publish message text instead of sending the default publication text, "Hello from an MQTT v3 application".
    -s
    Set QoS instead of using the default QoS, 2.
    -b
    Connect to this host name or IP address instead of connecting to the default host name, localhost.
    -p
    Use this port instead of using the default, 1883.


Run the MQTTV3Sample program

To subscribe to a topic on Windows, use the command: 
runMQTTV3Sample -a subscribe
To publish a message on Windows, use the command: 
runMQTTV3Sample

For further information about running the sample scripts provided, see IBM MQ Telemetry Transport sample programs.