pong-tracer.cc

development of enhancement

/*
 * Copyright (c) 2008, Karlstad University
 * Erik Andersson, Emil Ljungdahl, Lars-Olof Moilanen
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the <organization> nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY COPYRIGHT HOLDERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $Id: pong-tracer.cc 2 2008-06-04 10:05:48Z emil $
 */

#include "pong-module.h"


class PongTracer : public Tracer
{
	public:
		PongTracer();
	protected:
		void format(Packet *p, SAP* sap);
};



PongTracer::PongTracer() : Tracer(1) {}



void PongTracer::format(Packet *p, SAP *sap)
{
	hdr_cmn *ch = hdr_cmn::access(p);

	if (ch->ptype() != PT_PING)
		return;

	hdr_pong *pongh = HDR_PONG(p);

	writeTrace(sap, " DIR=%d TS=%f UID=%d SN=%d TS=%f",
		   ch->direction(), ch->timestamp(), ch->uid(), pongh->seq, pongh->send_time);
}

extern "C" int Pongtracer_Init()
{  
	SAP::addTracer(new PongTracer);
	return 0;
}
extern "C" int  Cygpongtracer_Init()
{
	Pongtracer_Init();
}