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. For information about how to get this sample program, see IBM MQ Telemetry Transport sample programs.


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: 
run MQTTV3Sample -a subscribe
To publish a message on Windows, use the command: 
run MQTTV3Sample
Parent topic: IBM MQ Telemetry Transport sample programs