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/* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*-
*
* Copyright (c) Xerox Corporation 1997. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* 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.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linking this file statically or dynamically with other modules is making
* a combined work based on this file. Thus, the terms and conditions of
* the GNU General Public License cover the whole combination.
*
* In addition, as a special exception, the copyright holders of this file
* give you permission to combine this file 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
* file 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 file 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.
*/
#ifndef lint
static const char rcsid[] =
"@(#) $Header: /cvsroot/nsnam/ns-2/adc/adaptive-receiver.cc,v 1.9 2011/10/02 22:32:34 tom_henderson Exp $";
#endif
#include "config.h"
#include "agent.h"
#include "tclcl.h"
#include "packet.h"
#include "ip.h"
#include "rtp.h"
#include "adaptive-receiver.h"
#include <math.h>
#define myabs(r) (r<0)?-r:r
AdaptiveRcvr::AdaptiveRcvr() : Agent(PT_NTYPE)
{
//bind("npkts_",&npkts_);
//bind("ndelay_",&ndelay_);
//bind("nvar_",&nvar_);
}
void AdaptiveRcvr::recv(Packet *pkt,Handler*)
{
int delay;
hdr_cmn* ch= hdr_cmn::access(pkt);
register u_int32_t send_time = (int)ch->timestamp();
u_int32_t local_time= (u_int32_t)(Scheduler::instance().clock() * SAMPLERATE);
delay=adapt(pkt,local_time);
Tcl::instance().evalf("%s print-delay-stats %f %f %f",name(),send_time/SAMPLERATE,local_time/SAMPLERATE,(local_time+delay)/SAMPLERATE);
Packet::free(pkt);
}
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