xorp

rip_varrw.hh

00001 // -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*-
00002 // vim:set sts=4 ts=8:
00003 
00004 // Copyright (c) 2001-2009 XORP, Inc.
00005 //
00006 // This program is free software; you can redistribute it and/or modify
00007 // it under the terms of the GNU General Public License, Version 2, June
00008 // 1991 as published by the Free Software Foundation. Redistribution
00009 // and/or modification of this program under the terms of any other
00010 // version of the GNU General Public License is not permitted.
00011 // 
00012 // This program is distributed in the hope that it will be useful, but
00013 // WITHOUT ANY WARRANTY; without even the implied warranty of
00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For more details,
00015 // see the GNU General Public License, Version 2, a copy of which can be
00016 // found in the XORP LICENSE.gpl file.
00017 // 
00018 // XORP Inc, 2953 Bunker Hill Lane, Suite 204, Santa Clara, CA 95054, USA;
00019 // http://xorp.net
00020 
00021 // $XORP: xorp/rip/rip_varrw.hh,v 1.13 2008/10/02 21:58:17 bms Exp $
00022 
00023 #ifndef __RIP_RIP_VARRW_HH__
00024 #define __RIP_RIP_VARRW_HH__
00025 
00026 #include "policy/backend/single_varrw.hh"
00027 #include "policy/common/element_factory.hh"
00028 #include "route_entry.hh"
00029 
00033 template <class A>
00034 class RIPVarRW : public SingleVarRW {
00035 public:
00036     enum {
00037     VAR_NETWORK4 = VAR_PROTOCOL,
00038     VAR_NEXTHOP4,
00039     VAR_NETWORK6,
00040     VAR_NEXTHOP6,
00041     VAR_METRIC
00042     };
00043     
00047     RIPVarRW(RouteEntry<A>& route);
00048 
00049     // SingleVarRW interface
00050     void start_read();
00051     Element* single_read(const Id& id);
00052     void single_write(const Id& id, const Element& e);
00053 
00054 private:
00058     void read_route_nexthop(RouteEntry<A>& route);
00059 
00068     bool write_nexthop(const Id& id, const Element& e);
00069 
00070     RouteEntry<A>&  _route;
00071 };
00072 
00073 #endif // __RIP_RIP_VARRW_HH__
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