xorp

ifconfig_observer.hh

00001 // -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*-
00002 
00003 // Copyright (c) 2001-2009 XORP, Inc.
00004 //
00005 // This program is free software; you can redistribute it and/or modify
00006 // it under the terms of the GNU General Public License, Version 2, June
00007 // 1991 as published by the Free Software Foundation. Redistribution
00008 // and/or modification of this program under the terms of any other
00009 // version of the GNU General Public License is not permitted.
00010 // 
00011 // This program is distributed in the hope that it will be useful, but
00012 // WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For more details,
00014 // see the GNU General Public License, Version 2, a copy of which can be
00015 // found in the XORP LICENSE.gpl file.
00016 // 
00017 // XORP Inc, 2953 Bunker Hill Lane, Suite 204, Santa Clara, CA 95054, USA;
00018 // http://xorp.net
00019 
00020 // $XORP: xorp/fea/ifconfig_observer.hh,v 1.32 2008/10/02 21:56:47 bms Exp $
00021 
00022 #ifndef __FEA_IFCONFIG_OBSERVER_HH__
00023 #define __FEA_IFCONFIG_OBSERVER_HH__
00024 
00025 #include "iftree.hh"
00026 #include "fea_data_plane_manager.hh"
00027 
00028 class IfConfig;
00029 
00030 
00031 class IfConfigObserver {
00032 public:
00039     IfConfigObserver(FeaDataPlaneManager& fea_data_plane_manager)
00040     : _is_running(false),
00041       _ifconfig(fea_data_plane_manager.ifconfig()),
00042       _fea_data_plane_manager(fea_data_plane_manager)
00043     {}
00044 
00048     virtual ~IfConfigObserver() {}
00049 
00055     IfConfig&   ifconfig() { return _ifconfig; }
00056 
00062     FeaDataPlaneManager& fea_data_plane_manager() { return _fea_data_plane_manager; }
00063 
00069     virtual bool is_running() const { return _is_running; }
00070 
00077     virtual int start(string& error_msg) = 0;
00078     
00085     virtual int stop(string& error_msg) = 0;
00086     
00092     virtual void receive_data(const vector<uint8_t>& buffer) = 0;
00093 
00094 protected:
00095     // Misc other state
00096     bool    _is_running;
00097 
00098 private:
00099     IfConfig&       _ifconfig;
00100     FeaDataPlaneManager& _fea_data_plane_manager;
00101 };
00102 
00103 #endif // __FEA_IFCONFIG_OBSERVER_HH__
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