returns true if the client has a currently open socket . concode_field_sep DatagramSocketFactory __DEFAULT_SOCKET_FACTORY concode_elem_sep int _timeout_ concode_elem_sep boolean _isOpen_ concode_elem_sep DatagramSocket _socket_ concode_elem_sep DatagramSocketFactory _socketFactory_ concode_field_sep void setDefaultTimeout concode_elem_sep int getLocalPort concode_elem_sep void setSoTimeout concode_elem_sep int getSoTimeout concode_elem_sep void close concode_elem_sep int getDefaultTimeout concode_elem_sep void open concode_elem_sep void open concode_elem_sep void open concode_elem_sep InetAddress getLocalAddress concode_elem_sep void setDatagramSocketFactory
boolean function ( ) { return _isOpen_ ; }