Siena Fast Forwarding Documentation (v. 1.9.3)

fwdtable.h

// -*- 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) 2001-2003 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: fwdtable.h,v 1.5 2008-01-06 15:36:32 carzanig Exp $
//
#ifndef SIENA_FWDTABLE_H
#define SIENA_FWDTABLE_H

#include <cstddef> // for size_t

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

namespace siena {

class Interface;
class Selectivity;
class Attribute;
class Constraint;
class Filter;
class CProcessor;

class FwdTable : public ForwardingTable {
public:
    FwdTable() throw();

    virtual ~FwdTable() throw();

    virtual void ifconfig(if_t, const predicate &) throw(bad_constraint);
    virtual void consolidate() throw();

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

    virtual void clear() throw();
    virtual void clear_recycle() throw();

    virtual size_t allocated_bytesize() const throw();
    virtual size_t bytesize() const throw();

    void set_preprocess_rounds(unsigned int) throw();

    unsigned int get_preprocess_rounds() const throw();

private:
    FTAllocator         memory;

    FTAllocator         tmp_memory;

    ifid_t              if_count;

    unsigned int        f_count;

    unsigned int        preprocess_rounds;

    STST                attributes;

    Selectivity *       selectivity_first;

    Selectivity *       selectivity_last;

    Selectivity *       new_selectivity(const string_t &, ifid_t) throw();

    void                add_to_selectivity(Selectivity *, ifid_t) throw();

    Attribute *         get_attribute(const string_t & name) throw();

    void                connect(Constraint *, Filter *, const string_t &) throw();

    struct attr_descr_link {
        Attribute * a;
        attr_descr_link * next;
    };
    attr_descr_link * consolidate_list;
};

} // end namespace siena

#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