00001 /* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */ 00002 /* 00003 * Copyright (c) Xerox Corporation 1997. All rights reserved. 00004 * 00005 * This program is free software; you can redistribute it and/or modify it 00006 * under the terms of the GNU General Public License as published by the 00007 * Free Software Foundation; either version 2 of the License, or (at your 00008 * option) any later version. 00009 * 00010 * This program is distributed in the hope that it will be useful, but 00011 * WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 * General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU General Public License along 00016 * with this program; if not, write to the Free Software Foundation, Inc., 00017 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00018 * 00019 * Linking this file statically or dynamically with other modules is making 00020 * a combined work based on this file. Thus, the terms and conditions of 00021 * the GNU General Public License cover the whole combination. 00022 * 00023 * In addition, as a special exception, the copyright holders of this file 00024 * give you permission to combine this file with free software programs or 00025 * libraries that are released under the GNU LGPL and with code included in 00026 * the standard release of ns-2 under the Apache 2.0 license or under 00027 * otherwise-compatible licenses with advertising requirements (or modified 00028 * versions of such code, with unchanged license). You may copy and 00029 * distribute such a system following the terms of the GNU GPL for this 00030 * file and the licenses of the other code concerned, provided that you 00031 * include the source code of that other code when and as the GNU GPL 00032 * requires distribution of source code. 00033 * 00034 * Note that people who make modified versions of this file are not 00035 * obligated to grant this special exception for their modified versions; 00036 * it is their choice whether to do so. The GNU General Public License 00037 * gives permission to release a modified version without this exception; 00038 * this exception also makes it possible to release a modified version 00039 * which carries forward this exception. 00040 * 00041 * @(#) $Header: /cvsroot/nsnam/ns-2/adc/estimator.h,v 1.8 2005/08/26 05:05:27 tomh Exp $ 00042 */ 00043 00044 //Estimator unit estimates average load every period interval of time 00045 00046 #ifndef ns_estimator_h 00047 #define ns_estimator_h 00048 00049 #include "connector.h" 00050 #include "measuremod.h" 00051 #include "timer-handler.h" 00052 00053 class Estimator; 00054 00055 class Estimator_Timer : public TimerHandler { 00056 public: 00057 Estimator_Timer(Estimator *est) : TimerHandler() { est_ = est;} 00058 00059 protected: 00060 virtual void expire(Event *e); 00061 Estimator *est_; 00062 }; 00063 00064 class Estimator : public NsObject { 00065 public: 00066 Estimator(); 00067 inline double avload() { return double(avload_);}; 00068 00069 inline virtual void change_avload(double incr) { avload_ += incr;} 00070 inline virtual void newflow(double) {}; 00071 int command(int argc, const char*const* argv); 00072 virtual void timeout(int); 00073 inline void recv(Packet *,Handler *){} 00074 virtual void start(); 00075 void stop(); 00076 void setmeasmod(MeasureMod *); 00077 void setactype(const char*); 00078 inline double &period(){ return period_;} 00079 void trace(TracedVar* v); 00080 protected: 00081 MeasureMod *meas_mod_; 00082 TracedDouble avload_; 00083 double period_; 00084 virtual void estimate()=0; 00085 Estimator_Timer est_timer_; 00086 TracedDouble measload_; 00087 Tcl_Channel tchan_; 00088 int src_; 00089 int dst_; 00090 double omeasload_; 00091 double oavload_; 00092 char *actype_; 00093 }; 00094 00095 #endif
1.7.1