func reconnectMqttBroker(client *MQTT.MqttClient, opts *MQTT.ClientOptions) {
if mqttConnected == false {
//log.Println("Attempting reconnect . . .")
// Always reconnect with cleansession false
opts.SetCleanSession(false)
_, err := client.Start()
if err != nil {
time.Sleep(1 * time.Second)
} else {
log.Info("Reconnected")
mqttConnected = true
}
}
}
// 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
}
func getSettingsFromFile(p string, opts *MQTT.ClientOptions) error {
confPath := ""
home := UserHomeDir()
// replace home to ~ in order to match
p = strings.Replace(p, home, "~", 1)
if p == "~/.mqttcli.cfg" || p == "" {
confPath = path.Join(home, DefaultConfigFile)
_, err := os.Stat(confPath)
if os.IsNotExist(err) {
return err
}
} else {
confPath = p
}
ret, err := readFromConfigFile(confPath)
if err != nil {
log.Error(err)
return err
}
tlsConfig, ok, err := makeTlsConfig(ret.CaCert, ret.ClientCert, ret.PrivateKey, false)
if err != nil {
return err
}
if ok {
opts.SetTLSConfig(tlsConfig)
}
if ret.Host != "" {
if ret.Port == 0 {
ret.Port = 1883
}
scheme := "tcp"
if ret.Port == 8883 {
scheme = "ssl"
}
brokerUri := fmt.Sprintf("%s://%s:%d", scheme, ret.Host, ret.Port)
log.Infof("Broker URI: %s", brokerUri)
opts.AddBroker(brokerUri)
}
if ret.UserName != "" {
opts.SetUsername(ret.UserName)
}
if ret.Password != "" {
opts.SetPassword(ret.Password)
}
return nil
}
func getSettingsFromFile(p string, opts *MQTT.ClientOptions) error {
confPath := ""
if p == "~/.mqtt.cfg" || p == "" {
home := UserHomeDir()
confPath = path.Join(home, DefaultConfigFile)
_, err := os.Stat(confPath)
if os.IsNotExist(err) {
return err
}
} else {
confPath = p
}
ret, err := readFromConfigFile(confPath)
if err != nil {
return err
}
if ret.Host != "" {
if ret.Port == "" {
ret.Port = "1883"
}
scheme := "tcp" // FIXME:
brokerUri := fmt.Sprintf("%s://%s:%s", scheme, ret.Host, ret.Port)
log.Infof("Broker URI: %s", brokerUri)
opts.AddBroker(brokerUri)
}
if ret.UserName != "" {
opts.SetUsername(ret.UserName)
}
if ret.Password != "" {
opts.SetPassword(ret.Password)
}
return nil
}