tcp-fack.h
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- /* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
- /*
- * Copyright (c) 1997 The Regents of the University of California.
- * 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 the Network Research
- * Group at Lawrence Berkeley National Laboratory.
- * 4. 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.
- *
- * @(#) /home/ctk21/cvsroot//hssstcp/ns/ns-2.1b9/tcp/tcp-fack.h,v 1.2 2002/08/12 10:44:38 ctk21 Exp (LBL)
- */
- #ifndef ns_tcp_fack_h
- #define ns_tcp_fack_h
- #include "tcp.h"
- #include "scoreboard.h"
- #define TRUE 1
- #define FALSE 0
- #define RECOVER_DUPACK 1
- #define RECOVER_TIMEOUT 2
- #define RECOVER_QUENCH 3
- /* TCP Fack */
- class FackTcpAgent : public TcpAgent {
- public:
- FackTcpAgent();
- virtual ~FackTcpAgent();
- virtual void recv(Packet *pkt, Handler*);
- virtual void timeout(int tno);
- virtual void opencwnd();
- virtual int window();
- void oldack (Packet* pkt);
- int maxsack (Packet* pkt);
- void plot();
- void reset();
- virtual void send_much(int force, int reason, int maxburst = 0);
- virtual void recv_newack_helper(Packet* pkt);
- protected:
- u_char timeout_; /* flag: sent pkt from timeout; */
- u_char fastrecov_; /* flag: in fast recovery */
- double wintrim_;
- double wintrimmult_;
- int rampdown_;
- int fack_;
- int retran_data_;
- int ss_div4_;
- ScoreBoard* scb_;
- static const int SBSIZE=1024;
- };
- #endif