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
}
