checkCredentials method
Check the username and password validity
Implementation
@protected
void checkCredentials(String? username, String? password) {
if (username != null) {
MqttLogger.log("Authenticating with username '{$username}' "
"and password '{$password}'");
if (username.trim().length >
MqttConstants.recommendedMaxUsernamePasswordLength) {
MqttLogger.log(
'MqttClient::checkCredentials - Username length (${username.trim().length}) '
'exceeds the max recommended in the MQTT spec. ');
}
}
if (password != null &&
password.trim().length >
MqttConstants.recommendedMaxUsernamePasswordLength) {
MqttLogger.log(
'MqttClient::checkCredentials - Password length (${password.trim().length}) '
'exceeds the max recommended in the MQTT spec. ');
}
}