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/*
* Copyright (c) 2006-2009 by the Protocol Engineering Lab, U of Delaware
* All rights reserved.
*
* Protocol Engineering Lab web page : http://pel.cis.udel.edu/
*
* Paul D. Amer <amer@@cis,udel,edu>
* Armando L. Caro Jr. <acaro@@cis,udel,edu>
*
* 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. Neither the name of the University nor of the Laboratory may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS 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.
*
* @(#) $Header: /cvsroot/nsnam/ns-2/sctp/sctp-newreno.h,v 1.3 2009/11/16 05:51:27 tom_henderson Exp $ (UD/PEL)
*/
/* NewReno extension introduces a recover state variable per destination
* similar to avoid multiple cwnd cuts in a single window (ie, round
* trip). The concept is borrowed from TCP NewReno.
*/
#ifndef ns_sctp_newreno_h
#define ns_sctp_newreno_h
#include "sctp.h"
class NewRenoSctpAgent : public virtual SctpAgent
{
public:
NewRenoSctpAgent();
protected:
virtual void delay_bind_init_all();
virtual int delay_bind_dispatch(const char *varName, const char *localName,
TclObject *tracer);
/* initialization stuff
*/
virtual void OptionReset();
/* sending functions
*/
virtual void SendBufferDequeueUpTo(u_int);
virtual void FastRtx();
/* processing functions
*/
virtual Boolean_E ProcessGapAckBlocks(u_char *, Boolean_E);
virtual void ProcessSackChunk(u_char *);
u_int uiRecover;
u_int uiHighestTsnNewlyAcked; /* global now for NewReno's HTNA */
};
#endif
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