are we connected to flightgear 's console concode_field_sep InetSocketAddress address concode_elem_sep ConsoleConnectionHandler consoleConnectionHandler concode_elem_sep Channel channel concode_elem_sep Logger LOGGER concode_elem_sep EventLoopGroup group concode_field_sep void disconnect concode_elem_sep void addConsoleConnectionEventListener concode_elem_sep void removeConsoleConnectionEventListener concode_elem_sep void send concode_elem_sep void connect
boolean function ( ) { if ( channel == null ) { return false ; } else { return channel . isActive ( ) ; } }