xorp

rib_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/rib/rib_varrw.hh,v 1.12 2008/10/02 21:58:11 bms Exp $
00022 
00023 #ifndef __RIB_RIB_VARRW_HH__
00024 #define __RIB_RIB_VARRW_HH__
00025 
00026 #include "policy/backend/single_varrw.hh"
00027 #include "policy/common/element_factory.hh"
00028 #include "route.hh"
00029 
00036 template <class A>
00037 class RIBVarRW : public SingleVarRW {
00038 public:
00039     enum {
00040     VAR_NETWORK4 = VAR_PROTOCOL,
00041     VAR_NEXTHOP4,
00042     VAR_NETWORK6,
00043     VAR_NEXTHOP6,
00044     VAR_METRIC
00045     };
00046 
00050     RIBVarRW(IPRouteEntry<A>& route);
00051 
00052     // SingleVarRW interface
00053     void start_read();
00054 
00061     void single_write(const Id& id, const Element& e);
00062 
00063     Element* single_read(const Id& id);
00064 
00065 private:
00073     void read_route_nexthop(IPRouteEntry<A>& r);
00074 
00075     IPRouteEntry<A>&    _route;
00076     ElementFactory  _ef;
00077 };
00078 
00079 #endif // __RIB_RIB_VARRW_HH__
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