forwarding.h

Go to the documentation of this file.

// -*- C++ -*-
//
//  This file is part of Siena, a wide-area event notification system.
//  See http://www.inf.usi.ch/carzaniga/siena/
//
//  Authors: Antonio Carzaniga
//  See the file AUTHORS for full details. 
//
//  Copyright (C) 2001-2002 University of Colorado
//
//  Siena is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//  
//  Siena 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.  See the
//  GNU General Public License for more details.
//  
//  You should have received a copy of the GNU General Public License
//  along with Siena.  If not, see <http://www.gnu.org/licenses/>.
//
#ifndef SIENA_FORWARDING_H_INCLUDED
#define SIENA_FORWARDING_H_INCLUDED

#include <siena/attributes.h>
#include <siena/tags.h>

namespace siena {

typedef unsigned int InterfaceId;

class MatchHandler {
public:
    virtual ~MatchHandler() {};

    virtual bool output(InterfaceId) = 0;
};

class FIB {
public:
    virtual ~FIB() {};

    virtual void consolidate() {};

    virtual void clear() = 0;

    virtual void clear_recycle() = 0;

    virtual size_t allocated_bytesize() const = 0;

    virtual size_t bytesize() const = 0;
};

class AttributesFIB : public FIB {
public:
    virtual void ifconfig(InterfaceId, const Predicate &) = 0;

    virtual void match(const Message &, MatchHandler &) const = 0;
};

class TagsFIB : public FIB {
public:
    virtual void ifconfig(InterfaceId, const TagSetList &) = 0;

    virtual void match(const TagSet &, MatchHandler &) const = 0;
};

} // end namespace siena

#endif