fsm.h
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- /* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
- /*
- * Copyright (C) 1999 by the University of Southern California
- * $Id: fsm.h,v 1.4 2005/08/25 18:58:02 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.
- *
- */
- /*
- * Contributed by Polly Huang (USC/ISI), http://www-scf.usc.edu/~bhuang
- *
- * @(#) $Header: /cvsroot/nsnam/ns-2/common/fsm.h,v 1.4 2005/08/25 18:58:02 johnh Exp $ (LBL)
- */
- #include "scheduler.h"
- #define RTT 1
- #define TIMEOUT 2
- class FSMState {
- protected:
- friend class FSM;
- void number_all();
- void print_all(int level);
- void print_all_stats(int desired_pkts, int pkts = 0,
- int rtts = 0, int timeouts = 0,
- int ps = 0, int qs = 0,
- int num_states = 0,
- int num_state_names = 0);
- void reset_all_processed();
- bool processed() { return print_i_ < 0; }
- public:
- FSMState() : print_i_(0) {};
- /* number of packets in this batch of transmission */
- int batch_size_;
- /* time to make transition from previous state to this one
- * (either RTT or TIMEOUT) */
- int transition_[17];
- /* next states if dropping packet #1-16, 0 for none */
- FSMState* drop_[17];
- int print_i_; // printing index (processed if negative)
- };
- class FSM : public TclObject {
- public:
- FSM() {};
- inline FSMState* start_state() { // starting state
- return (start_state_);
- }
- static FSM& instance() {
- return (*instance_); // general access to scheduler
- }
- static void print_FSM(FSMState* state);
- static void print_FSM_stats(FSMState* state, int n);
- protected:
- FSMState* start_state_;
- static FSM* instance_;
- };
- class TahoeAckFSM : public FSM {
- public:
- TahoeAckFSM();
- inline FSMState* start_state() { // starting state
- return (start_state_);
- }
- static TahoeAckFSM& instance() {
- return (*instance_); // general access to TahoeAckFSM
- }
- protected:
- FSMState* start_state_;
- static TahoeAckFSM* instance_;
- };
- class RenoAckFSM : public FSM {
- public:
- RenoAckFSM();
- inline FSMState* start_state() { // starting state
- return (start_state_);
- }
- static RenoAckFSM& instance() {
- return (*instance_); // general access to TahoeAckFSM
- }
- protected:
- FSMState* start_state_;
- static RenoAckFSM* instance_;
- };
- class TahoeDelAckFSM : public FSM {
- public:
- TahoeDelAckFSM();
- inline FSMState* start_state() { // starting state
- return (start_state_);
- }
- static TahoeDelAckFSM& instance() {
- return (*instance_); // general access to TahoeAckFSM
- }
- protected:
- FSMState* start_state_;
- static TahoeDelAckFSM* instance_;
- };
- class RenoDelAckFSM : public FSM {
- public:
- RenoDelAckFSM();
- inline FSMState* start_state() { // starting state
- return (start_state_);
- }
- static RenoDelAckFSM& instance() {
- return (*instance_); // general access to TahoeAckFSM
- }
- protected:
- FSMState* start_state_;
- static RenoDelAckFSM* instance_;
- };