gem5/dev/etherdump.hh
Nathan Binkert c9e6a15196 Add support to store less than the full packet in an etherdump
and actually default to only storing a max of 96 bytes per
packet since that should be plenty to fit all of the headers in.

--HG--
extra : convert_revision : 0c4a6571d80536477ed166e695d957e39da0334e
2004-07-22 23:54:24 -04:00

61 lines
2.2 KiB
C++

/*
* Copyright (c) 2002-2004 The Regents of The University of Michigan
* 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 copyright holders 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER OR CONTRIBUTORS 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.
*/
/* @file
* Simple object for creating a simple pcap style packet trace
*/
#ifndef __ETHERDUMP_H__
#define __ETHERDUMP_H__
#include <fstream>
#include "dev/etherpkt.hh"
#include "sim/sim_object.hh"
/*
* Simple object for creating a simple pcap style packet trace
*/
class EtherDump : public SimObject
{
private:
std::ofstream stream;
const int maxlen;
void dumpPacket(PacketPtr &packet);
void init();
Tick curtime;
Tick s_freq;
Tick us_freq;
public:
EtherDump(const std::string &name, const std::string &file, int max);
inline void dump(PacketPtr &pkt) { if (stream.is_open()) dumpPacket(pkt); }
};
#endif // __ETHERDUMP_H__