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/*
* diff_sink.h
* Copyright (C) 2000 by the University of Southern California
* $Id: diff_sink.h,v 1.5 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_sink.h : Header file for sink agent */
/* By : Chalermek Intanagonwiwat (USC/ISI) */
/* Last Modified : 8/21/99 */
/*****************************************************************/
#ifndef ns_diff_sink_h
#define ns_diff_sink_h
#include "agent.h"
#include "tclcl.h"
#include "packet.h"
#include "ip.h"
#include "diff_header.h"
#include "diffusion.h"
class SinkAgent;
// Timer for packet rate
class Sink_Timer : public TimerHandler {
public:
Sink_Timer(SinkAgent *a) : TimerHandler() { a_ = a; }
protected:
virtual void expire(Event *e);
SinkAgent *a_;
};
// For periodic report of avg and var pkt received.
class Report_Timer : public TimerHandler {
public:
Report_Timer(SinkAgent *a) : TimerHandler() { a_ = a; }
protected:
virtual void expire(Event *e);
SinkAgent *a_;
};
// Timer for periodic interest
class Periodic_Timer : public TimerHandler {
public:
Periodic_Timer(SinkAgent *a) : TimerHandler() { a_ = a; }
protected:
virtual void expire(Event *e);
SinkAgent *a_;
};
// Class SinkAgent as source and sink for directed diffusion
class SinkAgent : public Agent {
public:
SinkAgent();
int command(int argc, const char*const* argv);
virtual void timeout(int);
void report();
void recv(Packet*, Handler*);
void reset();
void set_addr(ns_addr_t);
int get_pk_count();
void incr_pk_count();
Packet *create_packet();
protected:
bool APP_DUP_;
bool periodic_;
bool always_max_rate_;
int pk_count;
unsigned int data_type_;
int num_recv;
int num_send;
int RecvPerSec;
double cum_delay;
double last_arrival_time;
Data_Hash_Table DataTable;
void Terminate();
void bcast_interest();
void data_ready();
void start();
void stop();
virtual void sendpkt();
int running_;
int random_;
int maxpkts_;
double interval_;
int simple_report_rate;
int data_counter;
Sink_Timer sink_timer_;
Periodic_Timer periodic_timer_;
Report_Timer report_timer_;
friend class Periodic_Timer;
};
#endif
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