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/*******************************************************************************
* *
* M-DART Routing Protocol *
* *
* Copyright (C) 2006 by Marcello Caleffi *
* marcello.caleffi@unina.it *
* *
* 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 must retain the above copyright notice, *
* this list of conditions and the following disclaimer. *
* 2. Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* 3. The name of the author may not be used to endorse or promote products *
* derived from this software without specific prior written permission. *
* *
* This software is provided by the author ``as is'' and any express or *
* implied warranties, including, but not limited to, the implied warranties *
* of merchantability and fitness for a particular purpose are disclaimed. *
* in no event shall the author be liable for any direct, indirect, *
* incidental, special, exemplary, or consequential damages (including, but *
* not limited to, procurement of substitute goods or services; loss of use, *
* data, or profits; or business interruption) however caused and on any *
* theory of liability, whether in contract, strict liability, or tort *
* (including negligence or otherwise) arising in any way out of the use of *
* this software, even if advised of the possibility of such damage. *
* *
* The M-DART code has been developed by Marcello Caleffi during his Ph.D. at *
* the Department of Biomedical, Electronic and Telecommunications Engineering *
* University of Naples Federico II, Italy. *
* *
* In order to give credit and recognition to the author, if you use M-DART *
* results or results obtained by modificating the M-DART source code, please *
* cite one of the following papers: *
* - M. Caleffi, L. Paura, "M-DART: Multi-Path Dynamic Address RouTing", *
* Wireless Communications and Mobile Computing, 2010 *
* - M. Caleffi, G. Ferraiuolo, L. Paura, "Augmented Tree-based Routing *
* Protocol for Scalable Ad Hoc Networks", Proc. of IEEE MASS '07: IEEE *
* Internatonal Conference on Mobile Adhoc and Sensor Systems, Pisa (Italy), *
* October 8-11 2007. *
* *
******************************************************************************/
#ifndef __mdart_adp_h__
#define __mdart_adp_h__
#include <mdart/mdart.h>
#include <mdart/mdart_function.h>
#include <mdart/mdart_dht.h>
//------------------------------------------------------------------------------
// Address Discovery Protocol (ADP)
//------------------------------------------------------------------------------
class MDART;
class ADPDaupTimer;
class ADPDarqTimer;
class ADP {
public:
// ADP
ADP(MDART* mdart);
~ADP();
// ADP network address function
void updateAdd();
// ADP message functions
void checkDarq();
void sendDarq(nsaddr_t, int);
void recvDarq(Packet*);
void sendDarp(Packet*);
void recvDarp(Packet*);
void sendDaup();
void recvDaup(Packet*);
void sendDabr();
void recvDabr(Packet*);
// ADP DHT functions
void addEntry(nsaddr_t id, nsaddr_t address);
void addEntry(nsaddr_t id, nsaddr_t address, double);
inline uint32_t DHTSize() {
return dht_->DHTSize();
}
inline void printDHT() {
return dht_->printDHT();
}
inline nsaddr_t findAdd(nsaddr_t id) {
return dht_->findAdd(id);
}
inline DHT_Entry* getEntry(u_int32_t pos) {
return dht_->getEntry(pos);
}
inline nsaddr_t findId(nsaddr_t add) {
return dht_->findId(add);
}
private:
inline u_int32_t pckSeqNum() {
return pckSeqNum_++;
}
// ADP private members
MDART* mdart_;
DHT* dht_;
ADPDaupTimer* timer_;
ADPDarqTimer* timerRx_;
u_int32_t pckSeqNum_;
};
//------------------------------------------------------------------------------
// ADP timers
//------------------------------------------------------------------------------
class ADPDaupTimer : public Handler {
public:
ADPDaupTimer(ADP* adp) {
adp_ = adp;
counter = 0;
handle((Event*) 0);
}
inline void handle(Event*) {
if (counter > 0) {
adp_->sendDaup();
}
else {
counter++;
}
double interval_ = ADP_DAUP_FREQ * (0.9 + 0.2 * Random::uniform());
Scheduler::instance().schedule(this, &intr, interval_);
}
protected:
ADP* adp_;
Event intr;
uint32_t counter;
};
class ADPDarqTimer : public Handler {
public:
ADPDarqTimer(ADP* adp) {
adp_ = adp;
counter = 0;
handle((Event*) 0);
}
void handle(Event*) {
if (counter > 0) {
adp_->checkDarq();
}
else {
counter++;
}
Scheduler::instance().schedule(this, &intr, ADP_DARQ_CHECK_FREQ);
}
protected:
ADP* adp_;
Event intr;
uint32_t counter;
};
#endif /* __mdart_adp_h_ */
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