table.h

obs网络试验平台

/* Copyright (c) University of Maryland, Baltimore County, 2003.
 * Original Authors: Ramakrishna Shenai, Sunil Gowda and Krishna Sivalingam.
 *
 * This software is developed at the University of Maryland, Baltimore County under
 * grants from Cisco Systems Inc and the University of Maryland, Baltimore County.
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation in source and binary forms for non-commercial purposes
 * and without fee is hereby granted, provided that the above copyright
 * notice appear in all copies and that both the copyright notice and
 * this permission notice appear in supporting documentation. and that
 * any documentation, advertising materials, and other materials related
 * to such distribution and use acknowledge that the software was
 * developed by the University of Maryland, Baltimore County.  The name of
 * the University may not be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * Copyright (C) 2000-2003 Washington State University. All rights reserved.
 * This software was originally developed at Alcatel USA and subsequently modified
 * at Washington State University, Pullman, WA  through research work which was
 * supported by Alcatel USA, Inc and Cisco Systems Inc.

 * The  following notice is in adherence to the Washington State University
 * copyright policy follows.
 *
 * License is granted to copy, to use, and to make and to use derivative
 * works for research and evaluation purposes, provided that Washington
 * State University is acknowledged in all documentation pertaining to any such
 * copy or derivative work. Washington State University grants no other
 * licenses expressed or implied. The Washington State University name
 * should not be used in any advertising without its written permission.
 *
 * WASHINGTON STATE UNIVERSITY MAKES NO REPRESENTATIONS CONCERNING EITHER
 * THE MERCHANTABILITY OF THIS SOFTWARE OR THE SUITABILITY OF THIS SOFTWARE
 * FOR ANY PARTICULAR PURPOSE.  The software is provided "as is"
 *  without express or implied warranty of any kind. These notices must
 * be retained in any copies of any part of this software.
 */
#ifndef Table_h
#define Table_h

/* Implementation of a lookup switch */

using namespace std;

#include <cstdlib>
#include <iostream>
#include <map>
#include <cstdio>

/* A single entry in the lookup switch */
class HashEntry
{
    public:
        HashEntry(){;}
        /* The unique burstidentifier, incoming and outgoing channel */
        unsigned long burstId, inChannel, outChannel;
        /* The arrival time, departureTime and ExpTime */
        double  arrTime, depTime, expTime;
};

/* The lookup switch */
class LookupSwitch
{
    public:
        // constructor -- do nothing
        LookupSwitch() {}
        // add new entry information into the lookup switch
        void add( u_long burstid, u_long inChannel, u_long outChannel,
                  double arrTime, double depTime, double expTime );
        // Add a new entry to the lookup switch
        void add( HashEntry* he );
        // Find and get an entry corresponding to the key
        HashEntry* lookup( unsigned long key );
        // Delete an entry corresponding to the key
        HashEntry* erase( unsigned long key );
        // Displays the elements of the lookupswitch
        void showall();
    protected:
        /* Main loookup switch for the node */
        static map<unsigned long, HashEntry*> table__;
};

#endif