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/*
* diff_prob.h
* Copyright (C) 2000 by the University of Southern California
* $Id: diff_prob.h,v 1.9 2005/08/25 18:58:03 johnh Exp $
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* 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.
*
*
* The copyright of this module includes the following
* linking-with-specific-other-licenses addition:
*
* In addition, as a special exception, the copyright holders of
* this module give you permission to combine (via static or
* dynamic linking) this module 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 module 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 module
* 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.
*
*/
/****************************************************************/
/* diff_prob.h : Chalermek Intanagonwiwat (USC/ISI) 08/16/99 */
/****************************************************************/
// Important Note: Work still in progress !!! Major improvement is needed.
#ifndef ns_diff_prob_h
#define ns_diff_prob_h
#include <assert.h>
#include <math.h>
#include <stdio.h>
#include <signal.h>
#include <float.h>
#include <stdlib.h>
#include <tcl.h>
#include "diff_header.h"
#include "agent.h"
#include "tclcl.h"
#include "ip.h"
#include "config.h"
#include "packet.h"
#include "trace.h"
#include "random.h"
#include "classifier.h"
#include "node.h"
#include "iflist.h"
#include "hash_table.h"
#include "arp.h"
#include "mac.h"
#include "ll.h"
#include "dsr/path.h"
#include "routing_table.h"
#include "diffusion.h"
//#define DEBUG_PROB
#define BACKTRACK_ false
#define ENERGY_CHECK 0.05 // (sec) between energy checks
#define INTEREST_DELAY 0.05 // (sec) bw receive and forward
#define MAX_REINFORCE_COUNTER 10 // (pkts) bw pos reinf
class DiffusionProb;
class EnergyTimer : public TimerHandler {
public:
EnergyTimer(DiffusionProb *a, Node *b) : TimerHandler() {
a_ = a;
node_ = b;
init_eng_ = node_->energy_model()->energy();
threshold_ = init_eng_ / 2;
}
virtual void expire(Event *e);
protected:
DiffusionProb *a_;
Node *node_;
double init_eng_;
double threshold_;
};
class InterestTimer : public TimerHandler {
public:
InterestTimer(DiffusionProb *a, Pkt_Hash_Entry *hashPtr, Packet *pkt) :
TimerHandler()
{
a_ = a;
hashPtr_ = hashPtr;
pkt_ = pkt;
}
virtual ~InterestTimer() {
if (pkt_ != NULL)
Packet::free(pkt_);
}
virtual void expire(Event *e);
protected:
DiffusionProb *a_;
Pkt_Hash_Entry *hashPtr_;
Packet *pkt_;
};
class DiffusionProb : public DiffusionAgent {
public:
DiffusionProb();
void recv(Packet*, Handler*);
protected:
int num_neg_bcast_send;
int num_neg_bcast_rcv;
EnergyTimer *energy_timer;
bool is_low_power;
void Start();
void consider_old(Packet *);
void consider_new(Packet *);
void add_outlist(unsigned int, From_List *);
void data_request_all(unsigned int dtype);
void CreateIOList(Pkt_Hash_Entry *, unsigned int);
void UpdateIOList(From_List *, unsigned int);
void Print_IOlist();
void CalGradient(unsigned int);
void IncGradient(unsigned int, ns_addr_t);
void DecGradient(unsigned int, ns_addr_t);
void ForwardData(Packet *);
void ForwardTxFailed(Packet *);
void ReTxData(Packet *);
void GenPosReinf(unsigned int);
void FwdPosReinf(unsigned int, Packet *);
void InterfaceDown(int, ns_addr_t);
void SendInhibit(int);
void SendNegReinf();
void InterestPropagate(Packet *pkt, Pkt_Hash_Entry *hashPtr);
void xmitFailed(Packet *pkt);
friend class InterestTimer;
friend class EnergyTimer;
};
#endif
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