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 00042 #ifndef ns_sa_h 00043 #define ns_sa_h 00044 00045 #include "resv.h" 00046 #include "agent.h" 00047 #include "timer-handler.h" 00048 #include "trafgen.h" 00049 #include "rtp.h" 00050 #include "random.h" 00051 00052 class SA_Agent; 00053 00054 class SA_Timer : public TimerHandler { 00055 public: 00056 SA_Timer(SA_Agent *a) : TimerHandler() { a_ = a; } 00057 protected: 00058 virtual void expire(Event *e); 00059 SA_Agent *a_; 00060 }; 00061 00062 00063 class SA_Agent : public Agent { 00064 public: 00065 SA_Agent(); 00066 ~SA_Agent(); 00067 int command(int, const char*const*); 00068 virtual void timeout(int); 00069 virtual void sendmsg(int nbytes, const char *flags = 0); 00070 protected: 00071 void start(); 00072 void stop(); 00073 void sendreq(); 00074 void sendteardown(); 00075 void recv(Packet *, Handler *); 00076 void stoponidle(const char *); 00077 virtual void sendpkt(); 00078 double rate_; 00079 int bucket_; 00080 NsObject* ctrl_target_; 00081 TrafficGenerator *trafgen_; 00082 int rtd_; /* ready-to-die: waiting for last burst to end */ 00083 char* callback_; 00084 00085 SA_Timer sa_timer_; 00086 double nextPkttime_; 00087 int running_; 00088 int seqno_; 00089 int size_; 00090 }; 00091 00092 00093 #endif