Lua module for simple MQTT connect, publish and disconnect
publish = require("mqtt.publish")
hostname=arg[1]
port=arg[2]
messages = {
{ topic = "test/multi1", payload = "data1" },
{ topic = "test/multi2", payload = "data2" },
{ topic = "test/multi3", payload = "data3" },
}
publish.multiple(messages, hostname, port)
publish.single("test/single", "datasingle", nil, nil, hostname, port)
-- set default hostname and port
publish.hostname = hostname
publish.port = port
publish.single("test/single", "second datasingle")
Depends on lua-mosquitto.
Connect to host and send a a list of messages. Disconnect when all messages are sent.
| Parameter | Description |
|---|---|
| msgs | Array with messages. Each message has the fields:topic, payload, qos and retain. The field topic is mandatory, the rest are optional. |
| hostname | Hostname of the broker. localhost will be used if not specified. |
| port | The TCP port number to use for connection. 1883 if not specified. |
| client_id | The MQTT client ID. It will be autogenerated if not specified. |
| keepalive | The MQTT keepalive value. |
Connec to hostname and send a single message. Disconnect when message is sent.
| Parameter | Description |
|---|---|
| topic | The MQTT topic of the message. |
| payload | The MQTT message payload. Optional. |
| qos | The MQTT Quality of service level for message. Optional. |
| retain | Boolean to indicate if message should be retained or not. |
| hostname | Hostname of the broker. localhost will be used if not specified. |
| port | The TCP port number to use for connection. 1883 if not specified. |
| client_id | The MQTT client ID. It will be autogenerated if not specified. |
| keepalive | The MQTT keepalive value. |
MIT/X11