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/*
* Copyright (c) 1999 International Computer Science Institute
* 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 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by ACIRI, the AT&T
* Center for Internet Research at ICSI (the International Computer
* Science Institute).
* 4. Neither the name of ACIRI nor of ICSI may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY ICSI AND CONTRIBUTORS ``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 ICSI OR CONTRIBUTORS 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.
*/
#ifndef ns_tcp_rfc793edu_h
#define ns_tcp_rfc793edu_h
#include "tcp.h"
// Original code contributed by Fernando Cela Diaz,
// <fcela@ce.chalmers.se>.
// For more information, see the following:
// URL "http://www.ce.chalmers.se/~fcela/tcp-tour.html"
/* RFC793edu TCP -- 19990821, fcela@acm.org */
class RFC793eduTcpAgent : public virtual TcpAgent {
public:
RFC793eduTcpAgent();
virtual void rtt_backoff();
virtual void rtt_update(double tao);
virtual void recv(Packet*, Handler*);
virtual void opencwnd();
virtual void output(int seqno, int reason = 0);
void reset();
virtual void recv_newack_helper(Packet*);
void newack(Packet*);
protected:
virtual void delay_bind_init_all();
virtual int delay_bind_dispatch(const char *varName, const char *localName, TclObject *tracer);
int add793expbackoff_; /* Add Karn's exp. backoff to rfc793 tcp */
int add793jacobsonrtt_; /* Add Jacobson/Karels RTT estimation */
int add793fastrtx_; /* Add the Fast-Retransmit Algorithm */
int add793slowstart_; /* Add Slow Start with Congestion Avoidance */
int add793additiveinc_; /* Add Congestion Avoidance, without
* Slow-Start (Additive
* Increase/Multiplicative Decrease)
*/
int add793karnrtt_; /* Add Karn Algorithm for RTT sampling */
int add793exponinc_; /* Add Multiplicative
* Increase/Multiplicative Decrease */
double rto_; /* Current value of the retx timer IN TICKS */
};
#endif
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