/// <summary>
/// Open Session to FXCM
/// </summary>
private void OpenSession()
{
try
{
// Create a new session object
_session = O2GTransport.createSession();
_session.useTableManager(O2GTableManagerMode.Yes, null);
// Initialize listener
_statusListener = new SessionStatusListener(_session, _logger);
// Register event
_statusListener.ConnectionEvent += OnSessionStatusChanged;
// Register local listener
_session.subscribeSessionStatus(_statusListener);
_statusListener.Reset();
// Send login request
_session.login(_connectionParameters.LoginId, _connectionParameters.Password, _connectionParameters.Url,
_connectionParameters.Connection);
}
catch (Exception exception)
{
_logger.Error(exception, _type.FullName, "OpenSession");
}
}
/// <summary>
/// Called when FXCM session status changes
/// </summary>
/// <param name="status"></param>
private void OnSessionStatusChanged(bool status)
{
_isConnected = status;
if (_logger.IsInfoEnabled)
{
_logger.Info("Data Feed Server connected: " + _isConnected, _type.FullName, "OnSessionStatusChanged");
}
if (_isConnected)
{
// Initialize Table Manager for price updates
_tableManager = _session.getTableManager();
// Initialize Price listener
_priceListener = new PriceListener(_tableManager, _logger);
// Initialize Historical Data listener
_historicalDataListener = new HistoricalDataListener(_session, _logger);
_session.subscribeResponse(_historicalDataListener);
_priceListener.DataEvent += OnDataArrived;
_historicalDataListener.HistoricalDataEvent += OnHistoricalDataArrived;
// Raise event to notify listeners
if (LogonArrived != null)
{
LogonArrived(_marketDataProviderName);
}
}
else
{
// Unsubscribe Events
_statusListener.ConnectionEvent -= OnSessionStatusChanged;
_priceListener.DataEvent -= OnDataArrived;
_historicalDataListener.HistoricalDataEvent -= OnHistoricalDataArrived;
_session.unsubscribeSessionStatus(_statusListener);
_session.unsubscribeResponse(_historicalDataListener);
_session.Dispose();
_session = null;
_statusListener = null;
_tableManager = null;
// Raise event to notify listeners
if (LogoutArrived != null)
{
LogoutArrived(_marketDataProviderName);
}
}
}