// connects MQTT broker
func connect(c *cli.Context, opts *MQTT.ClientOptions) (*MQTTClient, error) {
log.Info("Connecting...")
willPayload := c.String("will-payload")
willQoS := c.Int("will-qos")
willRetain := c.Bool("will-retain")
willTopic := c.String("will-topic")
if willPayload != "" && willTopic != "" {
opts.SetWill(willTopic, willPayload, MQTT.QoS(willQoS), willRetain)
}
client := &MQTTClient{Opts: opts}
_, err := client.Connect()
if err != nil {
return nil, err
}
log.Info("Connected")
return client, nil
}
