public async Task refreshSensors()
{
if (SharedVariables.client.isConnected())
{
HavissIoTCommandBuilder commandBuilder = new HavissIoTCommandBuilder();
if (Config.username.Length > 0)
{
if (Config.password.Length > 0)
{
commandBuilder.addUser(Config.username, Config.password);
}
else
{
commandBuilder.addUser(Config.username);
}
}
commandBuilder.listSensors();
String response = await SharedVariables.client.request(commandBuilder.getJsonString());
JObject jsonObject = null;
JArray jsonArray = null;
try
{
jsonObject = JObject.Parse(response);
jsonArray = jsonObject.GetValue("r") as JArray;
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
jsonObject = null;
jsonArray = null;
}
if (jsonArray != null)
{
foreach (JObject s in jsonArray)
{
try
{
string sensorName = (string)s.GetValue("name");
string sensorTopic = (string)s.GetValue("topic");
string sensorType = (string)s.GetValue("type");
bool toStore = (bool)s.GetValue("toStore");
IoTSensor sensor = new IoTSensor(sensorName, sensorTopic, sensorType, toStore);
SharedVariables.sensorHandler.addSensor(sensor);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
}
}
}
private async void refreshUsers() {
HavissIoTCommandBuilder commandBuilder =new HavissIoTCommandBuilder();
commandBuilder.getUsers();
if (Config.username.Length > 0)
{
if (Config.password.Length > 0)
{
commandBuilder.addUser(Config.username, Config.password);
}
else
{
commandBuilder.addUser(Config.username);
}
}
string response = await SharedVariables.client.request(commandBuilder.getJsonString());
JObject jsonObject = null;
JArray jsonArray = null;
try
{
jsonObject = JObject.Parse(response);
jsonArray = (JArray)jsonObject.GetValue("r");
}
catch (Exception ex)
{
MessageDialog message = new MessageDialog(ex.Message, "Request parse error");
return;
}
List<string> usernames = new List<string>();
SharedVariables.userHandler.clearUsers();
foreach (JObject j in jsonArray)
{
try
{
string username = (string)j.GetValue("name");
bool OP = (bool)j.GetValue("isOP");
bool isProtected = (bool)j.GetValue("isProtected");
bool isPasswordProtected = (bool)j.GetValue("isPasswordProtected");
User user = new User(username, OP, isProtected, isPasswordProtected);
SharedVariables.userHandler.addUser(user);
usernames.Add(username);
}
catch (Exception ex)
{
MessageDialog message = new MessageDialog(ex.Message, "Request parse error");
return;
}
}
available_users.ItemsSource = usernames;
}
//If exit button is pressed
private void exit_button_Click(object sender, RoutedEventArgs e)
{
HavissIoTCommandBuilder commandBuilder = new HavissIoTCommandBuilder();
if (Config.password.Length > 0)
{
commandBuilder.addUser(Config.username, Config.password);
}
else
{
commandBuilder.addUser(Config.username);
}
commandBuilder.serverExit();
SharedVariables.client.write(commandBuilder.getJsonString());
}
//Request configuration from server
public async static Task requestConfig()
{
HavissIoTCommandBuilder commandBuilder = new HavissIoTCommandBuilder();
//Add user (and password) if available
if (password.Length > 0 && username.Length > 0)
{
commandBuilder.addUser(username, password);
}
else if(username.Length > 0)
{
commandBuilder.addUser(username);
}
//Add request for server configuration
commandBuilder.getConfig();
if (SharedVariables.client.isConnected())
{
//Store response in string
string response = await SharedVariables.client.request(commandBuilder.getJsonString());
//Parses response to an jsonobject
try
{
JObject jsonObject = JObject.Parse(response);
brokerAddress = (string) jsonObject.GetValue("brokerAddress");
brokerPort = (int)jsonObject.GetValue("brokerPort");
mqttQOS = (int)jsonObject.GetValue("qos");
}
catch (Exception ex)
{
//TODO Handle exception
Debug.WriteLine(ex.Message);
}
}
}