Source: ../../rip/rip_varrw.hh
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// -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*-
// vim:set sts=4 ts=8:
// Copyright (c) 2001-2005 International Computer Science Institute
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software")
// to deal in the Software without restriction, subject to the conditions
// listed in the XORP LICENSE file. These conditions include: you must
// preserve this copyright notice, and you cannot mention the copyright
// holders in advertising related to the Software without their permission.
// The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This
// notice is a summary of the XORP LICENSE file; the license in that file is
// legally binding.
// $XORP: xorp/rip/rip_varrw.hh,v 1.7 2005/10/02 22:21:57 abittau Exp $
#ifndef __RIP_RIP_VARRW_HH__
#define __RIP_RIP_VARRW_HH__
#include "policy/backend/single_varrw.hh"
#include "policy/common/element_factory.hh"
#include "route_entry.hh"
/**
* @short Enables reading and writing variables of RIP routes.
*/
template <class A>
class RIPVarRW : public SingleVarRW {
public:
enum {
VAR_NETWORK4 = VAR_PROTOCOL,
VAR_NEXTHOP4,
VAR_NETWORK6,
VAR_NEXTHOP6,
VAR_METRIC,
VAR_TAG
};
/**
* @param route route to read/write values from.
*/
RIPVarRW(RouteEntry<A>& route);
// SingleVarRW interface
void start_read();
Element* single_read(const Id& id);
void single_write(const Id& id, const Element& e);
private:
/**
* @param route route to read nexthop and network from.
*/
void read_route_nexthop(RouteEntry<A>& route);
/**
* Specialized template method to write correct nexthop value based on
* address family of route.
*
* @param id variable to write.
* @param e value of variable.
* @return true if write was performed, false otherwise.
*/
bool write_nexthop(const Id& id, const Element& e);
RouteEntry<A>& _route;
};
#endif // __RIP_RIP_VARRW_HH__
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