paraq-timers.cc

TCP westwood code, download

/*
 * ParaQ W-LAN Energy Model Timers
 *
 * by Fabio A. Favia [faz(at)lugbari.org]
 *
 * Dipartimento di Elettrotecnica ed Elettronica, Politecnico di Bari
 * Via Orabona,4 - 70125 BARI, Italy
 * July, 2004
 *
 *
 * Copyright (c) 2004 Politecnico di Bari, Italy.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code and binary code must contain
 * the above copyright notice, this list of conditions and the following
 * disclaimer.
 *
 * 2. All advertising materials mentioning features or use of this software
 * must display the following acknowledgement:
 * This product includes software developed at Politecnico di Bari, Italy
 *
 * 3. The name of the University may not be used to endorse or promote
 * products derived from this software without specific prior written
 * permission.
 * POLITECNICO DI BARI, ITALY, 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.
 *
 */

#include <cstdlib>
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>

#include "config.h"
#include "trace.h"
#include "rng.h"
 
#include "energy-model.h"
//#include "paraq-timers.h"
#include "mac.h"
#include "mac-802_11.h"
//#include "mac-timers.h"

void ParaqWakeUPT::handle(Event *)
{
	busy_ = 0;
	paused_ = 0;
	stime = 0.0;
	rtime = 0.0;
	
	int node_sleep = nid_->sleep();
	if (node_sleep) {   /* if node is sleeping turn on the node*/
		nid_->set_node_sleep(0);
		//printf("Node %d wakes up at time %2.9f \n",mac->index_,Scheduler::instance().clock());
		//printf("Node %d status: %d \n",mac->index_,nid_->sleep());
	} else {
		//printf("Node %d was already up at time %2.9f \n",mac->index_,Scheduler::instance().clock());
	}
}

void ParaqGoSleepT::handle(Event *) 
{
	busy_ = 0;
	paused_ = 0;
	stime = 0.0;
	rtime = 0.0;
	
	//printf("ParaqGoSleepT expires at %2.9f \n",Scheduler::instance().clock());
	int node_sleep = nid_->sleep();
	if (!node_sleep) {
		if (Scheduler::instance().clock() > (mac->TBTT_ - mac->pifs_)) {
			//printf("No need to turn node %d in sleep mode...\n",mac->index_);
			return;
		}
		if (mac->ParaqPreSleep()) {
			nid_->set_node_sleep(1);
			//printf("Putting Node %d in sleep mode at time %2.9f \n",mac->index_,Scheduler::instance().clock());
			//printf("Node %d status: %d \n",mac->index_,nid_->sleep());
		}
	}
}

void ParaqWakeUPatBeacon::handle(Event *)
{
	busy_ = 0;
	paused_ = 0;
	stime = 0.0;
	rtime = 0.0;
	
	//printf("ParaqWakeUPatBeacon EXPIRES at time %2.9f\n",Scheduler::instance().clock());
	int node_sleep=nid_->sleep();
	if (node_sleep) {
		nid_->set_node_sleep(0);
		//printf("Wake up node %d for BEACON in time %2.9f \n",mac->index_,Scheduler::instance().clock());
		//printf("Node %d status: %d \n",mac->index_,nid_->sleep());
	}
}