mqtt

package

v0.0.6 Latest Latest Go to latest Published: Jan 1, 2024 License: MIT Imports: 6 Imported by: 0

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type Publisher struct {
	// contains filtered or unexported fields
}

func NewPublisher(mqttUrl, topicRoot, username, password string) Publisher

NewPublisher instantiates a MQTT publisher.

It connects to `mqttUrl` with `username` and `password` if specified. TopicRoot will be used as prefix of topic for all MQTT messages.

func (p *Publisher) Connect() error

Connect connects to the MQTT server;

The Publisher must have been instantiated first using NewPublisher.

func (p *Publisher) Disconnect()

func (p *Publisher) Publish(sensorName string, payload interface{}) error

Publish sends the message to MQTT server.

The `sensorName` will be in the topic. The payload must be JSON serializable.