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/*
* Copyright (c) Xerox Corporation 1997. All rights reserved.
*
* 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.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linking this file statically or dynamically with other modules is making
* a combined work based on this file. Thus, the terms and conditions of
* the GNU General Public License cover the whole combination.
*
* In addition, as a special exception, the copyright holders of this file
* give you permission to combine this file with free software programs or
* libraries that are released under the GNU LGPL and with code included in
* the standard release of ns-2 under the Apache 2.0 license or under
* otherwise-compatible licenses with advertising requirements (or modified
* versions of such code, with unchanged license). You may copy and
* distribute such a system following the terms of the GNU GPL for this
* file and the licenses of the other code concerned, provided that you
* include the source code of that other code when and as the GNU GPL
* requires distribution of source code.
*
* Note that people who make modified versions of this file are not
* obligated to grant this special exception for their modified versions;
* it is their choice whether to do so. The GNU General Public License
* gives permission to release a modified version without this exception;
* this exception also makes it possible to release a modified version
* which carries forward this exception.
*/
#ifndef lint
static const char rcsid[] =
"@(#) $Header: /cvsroot/nsnam/ns-2/adc/timewindow-est.cc,v 1.7 2005/08/26 05:05:28 tomh Exp $";
#endif
//Time Window estimation
#include "estimator.h"
#include <stdlib.h>
class TimeWindow_Est : public Estimator {
public:
TimeWindow_Est() :scnt(1),maxp(0){bind("T_",&T_);};
inline void change_avload(double incr) { avload_ += incr; if (incr >0) scnt=0;}
protected:
void estimate();
int scnt;
double maxp;//maximum of previous interval
int T_;
};
void TimeWindow_Est::estimate() {
measload_ = meas_mod_->bitcnt()/period_;
if (meas_mod_->bitcnt()/period_ >avload_)
avload_=meas_mod_->bitcnt()/period_;
if (maxp < meas_mod_->bitcnt()/period_)
maxp=meas_mod_->bitcnt()/period_;
if (scnt == T_)
{
scnt-=T_;
avload_=maxp;
maxp=0;
}
//printf("%f %f %f\n",Scheduler::instance().clock(),avload_,meas_mod_->bitcnt()/period_);
fflush(stdout);
meas_mod_->resetbitcnt();
scnt++;
}
static class TimeWindow_EstClass : public TclClass {
public:
TimeWindow_EstClass() : TclClass ("Est/TimeWindow") {}
TclObject* create(int,const char*const*) {
return (new TimeWindow_Est());
}
}class_timewindow_est;
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