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/*
* Copyright (C) 2007
* Mercedes-Benz Research & Development North America, Inc. and
* University of Karlsruhe (TH)
* 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,
* 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.
*
*/
/*
* For further information see:
* http://dsn.tm.uni-karlsruhe.de/english/Overhaul_NS-2.php
*/
#ifndef ns_pbc_h
#define ns_pbc_h
#include "agent.h"
#include "tclcl.h"
#include "packet.h"
#include "address.h"
#include "ip.h"
struct hdr_pbc {
double send_time;
static int offset_; // required by PacketHeaderManager
inline static int& offset() { return offset_; }
inline static hdr_pbc* access(const Packet* p) {
return (hdr_pbc*) p->access(offset_);
}
};
class PBCAgent;
class PBCTimer : public Handler {
public:
PBCTimer(PBCAgent* ag, double p = 1) : agent(ag), period(p) {
started = 0;
}
void start(void);
void stop(void);
void setPeriod(double p);
void setVariance(double v);
void handle(Event *e);
protected:
int started;
Event intr;
PBCAgent *agent;
double period;
double variance;
};
class PBCAgent : public Agent {
friend class PBCTimer;
public:
PBCAgent();
~PBCAgent();
virtual int command(int argc, const char*const* argv);
virtual void recv(Packet*, Handler*);
void singleBroadcast();
void singleUnicast(int addr);
bool periodicBroadcast;
double msgInterval;
double msgVariance;
private:
PBCTimer timer;
int size;
int modulationScheme;
};
#endif // ns_pbc_h
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