mqtt_helper

type NewMQTTClientOptions struct {
	UsernameTransformer   UsernameTransformer                 // optional, username transformer
	PasswordEncryptor     PasswordEncryptor                   // optional, password custom encryptor; default is no encrypt
	Brokers               []string                            // required, MQTT broker address
	ClientID              string                              // required, MQTT client ID
	Username              string                              // required, MQTT username
	Password              string                              // required, MQTT password
	ALPN                  []string                            // optional, MQTT ALPN
	ConnectionLostHandler func(client mqtt.Client, err error) // optional, connection lost handler
}

type PasswordEncryptor func(originalPassword string) (encryptedPassword string, err error)

type UsernameTransformer func(originalUsername string) (transformedUsername string, err error)