disconnect method

Future<void> disconnect()

Implementation

Future<void> disconnect() async {
  if (_state is Disconnected) {
    return;
  }
  _shouldReconnect = false;
  _reconnectTimer?.cancel();
  _reconnectTimer = null;
  _keepAlive?.stop();
  _updateState(const Disconnected());
  await _channel?.sink.close();
  _channel = null;
}