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/*
Copyright (C) 2011 Srivats P.
This file is part of "Ostinato"
This is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#include "ip4pdml.h"
#include "hexdump.pb.h"
#include "ip4.pb.h"
PdmlIp4Protocol::PdmlIp4Protocol()
{
ostProtoId_ = OstProto::Protocol::kIp4FieldNumber;
fieldMap_.insert("ip.dsfield", OstProto::Ip4::kTosFieldNumber);
fieldMap_.insert("ip.len", OstProto::Ip4::kTotlenFieldNumber);
fieldMap_.insert("ip.id", OstProto::Ip4::kIdFieldNumber);
//fieldMap_.insert("ip.flags", OstProto::Ip4::kFlagsFieldNumber);
fieldMap_.insert("ip.frag_offset", OstProto::Ip4::kFragOfsFieldNumber);
fieldMap_.insert("ip.ttl", OstProto::Ip4::kTtlFieldNumber);
fieldMap_.insert("ip.proto", OstProto::Ip4::kProtoFieldNumber);
fieldMap_.insert("ip.checksum", OstProto::Ip4::kCksumFieldNumber);
fieldMap_.insert("ip.src", OstProto::Ip4::kSrcIpFieldNumber);
fieldMap_.insert("ip.dst", OstProto::Ip4::kDstIpFieldNumber);
}
PdmlProtocol* PdmlIp4Protocol::createInstance()
{
return new PdmlIp4Protocol();
}
void PdmlIp4Protocol::unknownFieldHandler(QString name, int /*pos*/,
int /*size*/, const QXmlStreamAttributes &attributes,
OstProto::Protocol *pbProto, OstProto::Stream* /*stream*/)
{
bool isOk;
if (name == "ip.version")
{
OstProto::Ip4 *ip4 = pbProto->MutableExtension(OstProto::ip4);
if (!attributes.value("unmaskedvalue").isEmpty())
ip4->set_ver_hdrlen(attributes.value("unmaskedvalue")
.toString().toUInt(&isOk, kBaseHex));
else
ip4->set_ver_hdrlen(attributes.value("value")
.toString().toUInt(&isOk, kBaseHex));
}
else if ((name == "ip.options") ||
attributes.value("show").toString().startsWith("Options"))
{
OstProto::Ip4 *ip4 = pbProto->MutableExtension(OstProto::ip4);
QByteArray options = QByteArray::fromHex(
attributes.value("value").toString().toUtf8());
ip4->set_options(options.constData(), options.size());
}
else if (name == "ip.flags")
{
OstProto::Ip4 *ip4 = pbProto->MutableExtension(OstProto::ip4);
int shift = attributes.value("size").toString().toUInt(&isOk) == 2 ?
13 : 5;
ip4->set_flags(attributes.value("value").toString().toUInt(&isOk, kBaseHex) >> shift);
}
}
void PdmlIp4Protocol::postProtocolHandler(OstProto::Protocol *pbProto,
OstProto::Stream* /*stream*/)
{
OstProto::Ip4 *ip4 = pbProto->MutableExtension(OstProto::ip4);
ip4->set_is_override_ver(true);
ip4->set_is_override_hdrlen(true);
ip4->set_is_override_totlen(true);
ip4->set_is_override_proto(true);
ip4->set_is_override_cksum(overrideCksum_);
}
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