Siena Fast Forwarding Documentation (v. 1.9.3)

forwarding.h

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// -*- C++ -*-
//
//  This file is part of Siena, a wide-area event notification system.
//  See http://www.inf.unisi.ch/carzaniga/siena/
//
//  Authors: Antonio Carzaniga
//  See the file AUTHORS for full details. 
//
//  Copyright (C) 2001-2002 University of Colorado
//
//  This program 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 2
//  of the License, or (at your option) any later version.
//
//  This program 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 this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307,
//  USA, or send email to one of the authors.
//
//
// $Id: forwarding.h,v 1.18 2008-01-06 15:36:32 carzanig Exp $
//
#ifndef SIENA_FORWARDING_H
#define SIENA_FORWARDING_H

#include <cstddef>

#include <siena/exceptions.h>
#include <siena/types.h>
#include <siena/stst.h>
#include <siena/allocator.h>

namespace siena {

typedef unsigned int            if_t;

typedef unsigned int            ifid_t;

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

    virtual bool        output(if_t) throw() = 0;
};

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

    virtual bool        output(if_t, const message &) throw() = 0;
};


class ForwardingTable {
public:
    virtual             ~ForwardingTable() throw() {};

    virtual void        ifconfig(if_t, 
                                 const predicate &) throw(bad_constraint) = 0;
    virtual void        consolidate() throw() {};

    virtual void        match(const message &, MatchHandler &) const 
        throw() = 0;

    virtual void        match(const message &, MatchMessageHandler &) const 
        throw() = 0;

    virtual void        clear() throw() = 0;

    virtual void        clear_recycle() throw() = 0;

    virtual size_t      allocated_bytesize() const throw() = 0;

    virtual size_t      bytesize() const throw() = 0;
};

} // end namespace siena

//
// for source-level compatibility, we also include fwdtable.h here
//
#include <siena/fwdtable.h>

#endif

Copyright © 2001-2004 University of Colorado.
Copyright © 2005-2006 Antonio Carzaniga.
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". This documentation is authored and maintained by Antonio Carzaniga