// -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*- // Copyright (c) 2001-2009 XORP, Inc. // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License, Version 2, June // 1991 as published by the Free Software Foundation. Redistribution // and/or modification of this program under the terms of any other // version of the GNU General Public License is not permitted. // // This program is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For more details, // see the GNU General Public License, Version 2, a copy of which can be // found in the XORP LICENSE.gpl file. // // XORP Inc, 2953 Bunker Hill Lane, Suite 204, Santa Clara, CA 95054, USA; // http://xorp.net // $XORP: xorp/fea/ifconfig_observer.hh,v 1.33 2009/01/05 18:30:49 jtc Exp $ #ifndef __FEA_IFCONFIG_OBSERVER_HH__ #define __FEA_IFCONFIG_OBSERVER_HH__ #include "iftree.hh" #include "fea_data_plane_manager.hh" class IfConfig; class IfConfigObserver { public: /** * Constructor. * * @param fea_data_plane_manager the corresponding data plane manager * (@ref FeaDataPlaneManager). */ IfConfigObserver(FeaDataPlaneManager& fea_data_plane_manager) : _is_running(false), _ifconfig(fea_data_plane_manager.ifconfig()), _fea_data_plane_manager(fea_data_plane_manager) {} /** * Virtual destructor. */ virtual ~IfConfigObserver() {} /** * Get the @ref IfConfig instance. * * @return the @ref IfConfig instance. */ IfConfig& ifconfig() { return _ifconfig; } /** * Get the @ref FeaDataPlaneManager instance. * * @return the @ref FeaDataPlaneManager instance. */ FeaDataPlaneManager& fea_data_plane_manager() { return _fea_data_plane_manager; } /** * Test whether this instance is running. * * @return true if the instance is running, otherwise false. */ virtual bool is_running() const { return _is_running; } /** * Start operation. * * @param error_msg the error message (if error). * @return XORP_OK on success, otherwise XORP_ERROR. */ virtual int start(string& error_msg) = 0; /** * Stop operation. * * @param error_msg the error message (if error). * @return XORP_OK on success, otherwise XORP_ERROR. */ virtual int stop(string& error_msg) = 0; /** * Receive data from the underlying system. * * @param buffer the buffer with the received data. */ virtual void receive_data(const vector<uint8_t>& buffer) = 0; protected: // Misc other state bool _is_running; private: IfConfig& _ifconfig; FeaDataPlaneManager& _fea_data_plane_manager; }; #endif // __FEA_IFCONFIG_OBSERVER_HH__