diff options
Diffstat (limited to 'dev/etherdump.cc')
| -rw-r--r-- | dev/etherdump.cc | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/dev/etherdump.cc b/dev/etherdump.cc deleted file mode 100644 index cb5f0b70e..000000000 --- a/dev/etherdump.cc +++ /dev/null @@ -1,136 +0,0 @@ -/* - * Copyright (c) 2002-2005 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 - */ - -#include <sys/time.h> - -#include <algorithm> -#include <string> - -#include "base/misc.hh" -#include "base/output.hh" -#include "dev/etherdump.hh" -#include "sim/builder.hh" -#include "sim/root.hh" - -using std::string; - -EtherDump::EtherDump(const string &name, const string &file, int max) - : SimObject(name), stream(file.c_str()), maxlen(max) -{ -} - -#define DLT_EN10MB 1 // Ethernet (10Mb) -#define TCPDUMP_MAGIC 0xa1b2c3d4 -#define PCAP_VERSION_MAJOR 2 -#define PCAP_VERSION_MINOR 4 - -struct pcap_file_header { - uint32_t magic; - uint16_t version_major; - uint16_t version_minor; - int32_t thiszone; // gmt to local correction - uint32_t sigfigs; // accuracy of timestamps - uint32_t snaplen; // max length saved portion of each pkt - uint32_t linktype; // data link type (DLT_*) -}; - -struct pcap_pkthdr { - uint32_t seconds; - uint32_t microseconds; - uint32_t caplen; // length of portion present - uint32_t len; // length this packet (off wire) -}; - -void -EtherDump::init() -{ - curtime = time(NULL); - struct pcap_file_header hdr; - hdr.magic = TCPDUMP_MAGIC; - hdr.version_major = PCAP_VERSION_MAJOR; - hdr.version_minor = PCAP_VERSION_MINOR; - - hdr.thiszone = -5 * 3600; - hdr.snaplen = 1500; - hdr.sigfigs = 0; - hdr.linktype = DLT_EN10MB; - - stream.write(reinterpret_cast<char *>(&hdr), sizeof(hdr)); - - /* - * output an empty packet with the current time so that we know - * when the simulation began. This allows us to correlate packets - * to sim_cycles. - */ - pcap_pkthdr pkthdr; - pkthdr.seconds = curtime; - pkthdr.microseconds = 0; - pkthdr.caplen = 0; - pkthdr.len = 0; - stream.write(reinterpret_cast<char *>(&pkthdr), sizeof(pkthdr)); - - stream.flush(); -} - -void -EtherDump::dumpPacket(EthPacketPtr &packet) -{ - pcap_pkthdr pkthdr; - pkthdr.seconds = curtime + (curTick / Clock::Int::s); - pkthdr.microseconds = (curTick / Clock::Int::us) % ULL(1000000); - pkthdr.caplen = std::min(packet->length, maxlen); - pkthdr.len = packet->length; - stream.write(reinterpret_cast<char *>(&pkthdr), sizeof(pkthdr)); - stream.write(reinterpret_cast<char *>(packet->data), pkthdr.caplen); - stream.flush(); -} - -BEGIN_DECLARE_SIM_OBJECT_PARAMS(EtherDump) - - Param<string> file; - Param<int> maxlen; - -END_DECLARE_SIM_OBJECT_PARAMS(EtherDump) - -BEGIN_INIT_SIM_OBJECT_PARAMS(EtherDump) - - INIT_PARAM(file, "file to dump packets to"), - INIT_PARAM(maxlen, "max portion of packet data to dump") - -END_INIT_SIM_OBJECT_PARAMS(EtherDump) - -CREATE_SIM_OBJECT(EtherDump) -{ - return new EtherDump(getInstanceName(), simout.resolve(file), maxlen); -} - -REGISTER_SIM_OBJECT("EtherDump", EtherDump) |