X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fdev%2Fetherdump.cc;h=21532bd59115aeaf46aa70a04e946d6bce9b3db5;hb=bcb71963ebb3c226f4f36f6d5907c6fb3bc10b64;hp=04463f3ee4c85d06c7a42665e7118ee9238f8ce6;hpb=44f91bb4443ed55a8e75096f1a821fd7605b7771;p=gem5.git diff --git a/src/dev/etherdump.cc b/src/dev/etherdump.cc index 04463f3ee..21532bd59 100644 --- a/src/dev/etherdump.cc +++ b/src/dev/etherdump.cc @@ -40,99 +40,71 @@ #include "base/misc.hh" #include "base/output.hh" #include "dev/etherdump.hh" -#include "sim/builder.hh" #include "sim/core.hh" using std::string; -EtherDump::EtherDump(const string &name, const string &file, int max) - : SimObject(name), stream(file.c_str()), maxlen(max) +EtherDump::EtherDump(const Params *p) + : SimObject(p), stream(simout.create(p->file, true)), + maxlen(p->maxlen) { } -#define DLT_EN10MB 1 // Ethernet (10Mb) -#define TCPDUMP_MAGIC 0xa1b2c3d4 -#define PCAP_VERSION_MAJOR 2 -#define PCAP_VERSION_MINOR 4 +#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_*) + 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) + 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.thiszone = 0; hdr.snaplen = 1500; hdr.sigfigs = 0; hdr.linktype = DLT_EN10MB; - stream.write(reinterpret_cast(&hdr), sizeof(hdr)); + stream->write(reinterpret_cast(&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(&pkthdr), sizeof(pkthdr)); - - stream.flush(); + 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.seconds = curTick() / SimClock::Int::s; + pkthdr.microseconds = (curTick() / SimClock::Int::us) % ULL(1000000); pkthdr.caplen = std::min(packet->length, maxlen); pkthdr.len = packet->length; - stream.write(reinterpret_cast(&pkthdr), sizeof(pkthdr)); - stream.write(reinterpret_cast(packet->data), pkthdr.caplen); - stream.flush(); + stream->write(reinterpret_cast(&pkthdr), sizeof(pkthdr)); + stream->write(reinterpret_cast(packet->data), pkthdr.caplen); + stream->flush(); } -BEGIN_DECLARE_SIM_OBJECT_PARAMS(EtherDump) - - Param file; - Param 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) +EtherDump * +EtherDumpParams::create() { - return new EtherDump(getInstanceName(), simout.resolve(file), maxlen); + return new EtherDump(this); } - -REGISTER_SIM_OBJECT("EtherDump", EtherDump)