udp.h

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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: /nfs/jade/vint/CVSROOT/ns-2/apps/udp.h,v 1.15 2005/08/26 05:05:28 tomh Exp $ (Xerox)
00042  */
00043 
00044 #ifndef ns_udp_h
00045 #define ns_udp_h
00046 
00047 #include "agent.h"
00048 #include "trafgen.h"
00049 #include "packet.h"
00050 
00051 //"rtp timestamp" needs the samplerate
00052 #define SAMPLERATE 8000
00053 #define RTP_M 0x0080 // marker for significant events
00054 
00055 class UdpAgent : public Agent {
00056 public:
00057     UdpAgent();
00058     UdpAgent(packet_t);
00059     virtual void sendmsg(int nbytes, const char *flags = 0)
00060     {
00061         sendmsg(nbytes, NULL, flags);
00062     }
00063     virtual void sendmsg(int nbytes, AppData* data, const char *flags = 0);
00064     virtual void recv(Packet* pkt, Handler*);
00065     virtual int command(int argc, const char*const* argv);
00066 protected:
00067     int seqno_;
00068 };
00069 
00070 #endif

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