public async void resetConnection()
{
await DisplayAlert("Notice", "Disconnected from Ticwatch", "OK");
try
{
if (SmartWatchPage.ClearGraphs != null)
{
SmartWatchPage.ClearGraphs();
}
}
catch (Exception ex)
{
ExceptionErrorLogger.writeFileOnInternalStorage(ex.ToString());
}
try
{
if (inputStream != null)
{
inputStream.Close();
inputStream = null;
}
}
catch (IOException ex)
{
ExceptionErrorLogger.writeFileOnInternalStorage(ex.ToString());
}
try
{
if (serverClientSocket != null)
{
serverClientSocket.Close();
serverClientSocket = null;
}
}
catch (IOException ex)
{
ExceptionErrorLogger.writeFileOnInternalStorage(ex.ToString());
}
}
private async Task StartListening(BluetoothSocket socket)
{
smartWatchSensors = new SmartWatchSensors();
// Get the BluetoothSocket input and output streams
try
{
inputStream = socket.InputStream;
//ConnectionStates.watchConnected = true;
}
catch (IOException ex)
{
ExceptionErrorLogger.writeFileOnInternalStorage(ex.ToString());
resetConnection();
}
const int BUFFER_SIZE = 1024;
byte[] buffer = new byte[BUFFER_SIZE];
int bytes = 0;
int b = BUFFER_SIZE;
// Keep listening to the InputStream while connected
while (true)
{
try
{
// Read from the input stream
bool available = inputStream.IsDataAvailable();
if (available)
{
if (serverClientSocket == null || !serverClientSocket.IsConnected)
{
resetConnection();
break;
}
int i = 0;
while (serverClientSocket != null)
{
var size = await inputStream.ReadAsync(buffer, 0, buffer.Length);
i = 0;
if (size > 0)
{
while (size > i)
{
if (buffer[i] == '$')
{
if (buffer[i + 1] == '~' && buffer[i + 2] == '!')
{
resetConnection();
return;
}
int length = buffer[i + 1] << 24 | (buffer[i + 2] & 0xFF) << 16 | (buffer[i + 3] & 0xFF) << 8 | (buffer[i + 4] & 0xFF);
var stringRead = Encoding.UTF8.GetString(buffer, i + 5, i + length + 5);
var startIndex = stringRead.IndexOf("{");
var endIndex = stringRead.IndexOf("}") + 1;
try
{
var response = stringRead.Remove(endIndex, stringRead.Length - endIndex).Remove(0, startIndex);
var jsonObject = JsonConvert.DeserializeObject <SensorDataJson>(response);
var watchData = SensorActivityWatch.GetSensorActivityWatchFromJson(jsonObject);
if (SmartWatchPage.SetWatchData != null)
{
SmartWatchPage.SetWatchData(SensorActivityWatch.GetDoubleArray(jsonObject));
}
if (MainPage.StepAndHeartRate != null)
{
MainPage.StepAndHeartRate(SensorActivityWatch.GetDoubleArray(jsonObject));
}
smartWatchSensors = ConvertJsonToSmartWatchSensor(jsonObject, smartWatchSensors);
await FIUAssist.DatabaseManager.SensorDataService.Instance.CurrentClient.GetSyncTable("SmartWatchSensors").InsertAsync(JObject.FromObject(smartWatchSensors));
//var dataWatch = string.Format(Constants.smartwatchdata, DateTime.Now.ToString(Constants.DATETIMEFORMAT), watchData.XAccelerationValue.ToString(), watchData.YAccelerationValue.ToString(), watchData.ZAccelerationValue.ToString(), watchData.HeartRateValue.ToString(), watchData.StepCountValue.ToString());
//if (PowerBILive != null)
//{
// PowerBILive(dataWatch, NetworkCommunicationManager.DATATYPE.WATCH);
//}
}
catch (Exception ex)
{
ExceptionErrorLogger.writeFileOnInternalStorage(ex.ToString());
resetConnection();
}
i += length + 4;
}
i += size;
}
}
}
}
}
catch (IOException ex)
{
ExceptionErrorLogger.writeFileOnInternalStorage(ex.ToString());
resetConnection();
return;
}
}
}