README.md

mosca-publish-demo

A demo showing mosca server publishing message to client

Server sample output

Note: double startup message smells. It should show up only once.

MQTT broker is starting...
MQTT broker is up and running
MQTT broker is up and running
MQTT broker is ready
MQTT client connected, id mqttjs_54003fcc
MQTT broker detected a published message
 * packet: { topic: '$SYS/NJYiStZ7/new/clients',
  payload: 'mqttjs_54003fcc' }
 * packet payload: mqttjs_54003fcc
MQTT broker detected a published message
 * packet: { topic: '$SYS/NJYiStZ7/new/subscribes',
  payload: 'mqttjs_54003fcc' }
 * packet payload: mqttjs_54003fcc


#########################################
MQTT broker sending message to board ..

MQTT broker detected a published message
 * packet: { topic: 'broker/someTopic',
  payload: '{"fieldA":"a","fieldB":"b"}',
  qos: 1,
  retain: false }
 * packet payload: {"fieldA":"a","fieldB":"b"}
MQTT broker message sent

Client sample output

MQTT Client is starting...
MQTT client connected
MQTT client subscribing to broker/someTopic...
subscribe granted: [ { topic: 'broker/someTopic', qos: 1 } ]


#########################################
MQTT client received message
 * topic broker/someTopic
 * message <Buffer 7b 22 66 69 65 6c 64 41 22 3a 22 61 22 2c 22 66 69 65 6c 64 42 22 3a 22 62 22 7d>
 * message (unpacked) {"fieldA":"a","fieldB":"b"}
 * packet { cmd: 'publish',
  retain: false,
  qos: 1,
  dup: false,
  length: 47,
  topic: 'broker/someTopic',
  payload: <Buffer 7b 22 66 69 65 6c 64 41 22 3a 22 61 22 2c 22 66 69 65 6c 64 42 22 3a 22 62 22 7d>,
  messageId: 1 }
 * payload (unpacked) {"fieldA":"a","fieldB":"b"}