tglobaltraffictable.h

noxim系统的软件实现

/*****************************************************************************

  TGlobalTrafficTable.h -- Global Traffic Table definition

*****************************************************************************/
/* Copyright 2005-2007  
    Fabrizio Fazzino <[e-mail]>
    Maurizio Palesi <[e-mail]>
    Davide Patti <[e-mail]>

 *  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.
 */
#ifndef __TGLOBAL_TRAFFIC_TABLE_H__
#define __TGLOBAL_TRAFFIC_TABLE_H__

//---------------------------------------------------------------------------

#include <stdio.h>
#include <stdlib.h>
#include <vector>
#include "NoximDefs.h"
using namespace std;

//---------------------------------------------------------------------------

// Structure used to store information into the table
struct TCommunication
{
  int   src;                  // ID of the source node (PE)
  int   dst;                  // ID of the destination node (PE)
  float pir;                  // Packet Injection Rate for the link
  float por;                  // Probability Of Retransmission for the link
  int   t_on;                 // Time (in cycles) at which activity begins
  int   t_off;                // Time (in cycles) at which activity ends
  int   t_period;             // Period after which activity starts again
};

//---------------------------------------------------------------------------

class TGlobalTrafficTable
{

public:

  TGlobalTrafficTable(); 

  // Load traffic table from file. Returns true if ok, false otherwise
  bool load(const char* fname);

  // Returns the cumulative pir por along with a vector of pairs. The
  // first component of the pair is the destination. The second
  // component is the cumulative shotting probability.
  double getCumulativePirPor(const int src_id, 
			     const int ccycle,
			     const bool pir_not_por,
			     vector<pair<int,double> >& dst_prob);

  // Returns the number of occurrences of soruce src_id in the traffic
  // table
  int occurrencesAsSource(const int src_id);

private:

  vector<TCommunication> traffic_table;
};

//---------------------------------------------------------------------------

#endif