e0b065ff7c
This makes testing a bit easier.
arch/alpha/alpha_memory.cc:
cpu/intr_control.cc:
cpu/memtest/memtest.cc:
cpu/simple_cpu/simple_cpu.cc:
dev/alpha_console.cc:
dev/console.cc:
dev/disk_image.cc:
dev/etherbus.cc:
dev/etherdump.cc:
dev/etherlink.cc:
dev/ethertap.cc:
dev/simple_disk.cc:
kern/tru64/tru64_system.cc:
sim/main.cc:
sim/prog.cc:
Need to include builder.hh
sort #includes
sim/sim_object.cc:
sim/sim_object.hh:
Separate the SimObjectBuilder stuff into its own file
--HG--
extra : convert_revision : e8395e0cc6ae1f180f9cd6f100795a1ac44aeed5
138 lines
4.2 KiB
C++
138 lines
4.2 KiB
C++
/*
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* Copyright (c) 2003 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* @file
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* Simple object for creating a simple pcap style packet trace
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*/
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#include <sys/time.h>
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#include <string>
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#include "dev/etherdump.hh"
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#include "sim/builder.hh"
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#include "sim/universe.hh"
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using std::string;
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EtherDump::EtherDump(const string &name, const string &file)
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: SimObject(name)
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{
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if (!file.empty()) {
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stream.open(file.c_str());
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if (stream.is_open())
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init();
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}
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}
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#define DLT_EN10MB 1 // Ethernet (10Mb)
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#define TCPDUMP_MAGIC 0xa1b2c3d4
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#define PCAP_VERSION_MAJOR 2
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#define PCAP_VERSION_MINOR 4
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struct pcap_file_header {
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uint32_t magic;
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uint16_t version_major;
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uint16_t version_minor;
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int32_t thiszone; // gmt to local correction
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uint32_t sigfigs; // accuracy of timestamps
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uint32_t snaplen; // max length saved portion of each pkt
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uint32_t linktype; // data link type (DLT_*)
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};
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struct pcap_pkthdr {
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struct timeval ts; // time stamp
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uint32_t caplen; // length of portion present
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uint32_t len; // length this packet (off wire)
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};
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void
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EtherDump::init()
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{
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curtime = time(NULL);
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s_freq = ticksPerSecond;
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us_freq = ticksPerSecond / ULL(1000000);
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struct pcap_file_header hdr;
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hdr.magic = TCPDUMP_MAGIC;
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hdr.version_major = PCAP_VERSION_MAJOR;
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hdr.version_minor = PCAP_VERSION_MINOR;
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hdr.thiszone = -5 * 3600;
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hdr.snaplen = 1500;
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hdr.sigfigs = 0;
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hdr.linktype = DLT_EN10MB;
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stream.write(reinterpret_cast<char *>(&hdr), sizeof(hdr));
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/*
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* output an empty packet with the current time so that we know
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* when the simulation began. This allows us to correlate packets
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* to sim_cycles.
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*/
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pcap_pkthdr pkthdr;
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pkthdr.ts.tv_sec = curtime;
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pkthdr.ts.tv_usec = 0;
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pkthdr.caplen = 0;
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pkthdr.len = 0;
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stream.write(reinterpret_cast<char *>(&pkthdr), sizeof(pkthdr));
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stream.flush();
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}
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void
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EtherDump::dumpPacket(PacketPtr packet)
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{
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pcap_pkthdr pkthdr;
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pkthdr.ts.tv_sec = curtime + (curTick / s_freq);
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pkthdr.ts.tv_usec = (curTick / us_freq) % ULL(1000000);
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pkthdr.caplen = packet->length;
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pkthdr.len = packet->length;
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stream.write(reinterpret_cast<char *>(&pkthdr), sizeof(pkthdr));
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stream.write(reinterpret_cast<char *>(packet->data), packet->length);
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stream.flush();
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}
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BEGIN_DECLARE_SIM_OBJECT_PARAMS(EtherDump)
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Param<string> file;
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END_DECLARE_SIM_OBJECT_PARAMS(EtherDump)
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BEGIN_INIT_SIM_OBJECT_PARAMS(EtherDump)
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INIT_PARAM_DFLT(file, "file to dump packets to", "")
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END_INIT_SIM_OBJECT_PARAMS(EtherDump)
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CREATE_SIM_OBJECT(EtherDump)
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{
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return new EtherDump(getInstanceName(), file);
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}
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REGISTER_SIM_OBJECT("EtherDump", EtherDump)
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