104 lines
3.4 KiB
C++
104 lines
3.4 KiB
C++
/*
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Copyright (C) 2011 Srivats P.
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This file is part of "Ostinato"
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This is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#include "ip4pdml.h"
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#include "hexdump.pb.h"
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#include "ip4.pb.h"
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PdmlIp4Protocol::PdmlIp4Protocol()
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{
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ostProtoId_ = OstProto::Protocol::kIp4FieldNumber;
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fieldMap_.insert("ip.dsfield", OstProto::Ip4::kTosFieldNumber);
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fieldMap_.insert("ip.len", OstProto::Ip4::kTotlenFieldNumber);
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fieldMap_.insert("ip.id", OstProto::Ip4::kIdFieldNumber);
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//fieldMap_.insert("ip.flags", OstProto::Ip4::kFlagsFieldNumber);
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fieldMap_.insert("ip.frag_offset", OstProto::Ip4::kFragOfsFieldNumber);
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fieldMap_.insert("ip.ttl", OstProto::Ip4::kTtlFieldNumber);
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fieldMap_.insert("ip.proto", OstProto::Ip4::kProtoFieldNumber);
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fieldMap_.insert("ip.checksum", OstProto::Ip4::kCksumFieldNumber);
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fieldMap_.insert("ip.src", OstProto::Ip4::kSrcIpFieldNumber);
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fieldMap_.insert("ip.dst", OstProto::Ip4::kDstIpFieldNumber);
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}
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PdmlProtocol* PdmlIp4Protocol::createInstance()
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{
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return new PdmlIp4Protocol();
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}
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void PdmlIp4Protocol::unknownFieldHandler(QString name, int /*pos*/,
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int /*size*/, const QXmlStreamAttributes &attributes,
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OstProto::Protocol *pbProto, OstProto::Stream* /*stream*/)
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{
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bool isOk;
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if (name == "ip.version")
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{
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OstProto::Ip4 *ip4 = pbProto->MutableExtension(OstProto::ip4);
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if (!attributes.value("unmaskedvalue").isEmpty())
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ip4->set_ver_hdrlen(attributes.value("unmaskedvalue")
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.toString().toUInt(&isOk, kBaseHex));
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else
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ip4->set_ver_hdrlen(attributes.value("value")
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.toString().toUInt(&isOk, kBaseHex));
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}
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else if ((name == "ip.options") ||
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attributes.value("show").toString().startsWith("Options"))
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{
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options_ = QByteArray::fromHex(
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attributes.value("value").toString().toUtf8());
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}
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else if (name == "ip.flags")
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{
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OstProto::Ip4 *ip4 = pbProto->MutableExtension(OstProto::ip4);
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ip4->set_flags(attributes.value("value").toString().toUInt(&isOk, kBaseHex) >> 5);
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}
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}
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void PdmlIp4Protocol::postProtocolHandler(OstProto::Protocol *pbProto,
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OstProto::Stream *stream)
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{
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OstProto::Ip4 *ip4 = pbProto->MutableExtension(OstProto::ip4);
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ip4->set_is_override_ver(true);
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ip4->set_is_override_hdrlen(true);
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ip4->set_is_override_totlen(true);
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ip4->set_is_override_proto(true);
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ip4->set_is_override_cksum(true);
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if (options_.size())
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{
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OstProto::Protocol *proto = stream->add_protocol();
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proto->mutable_protocol_id()->set_id(
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OstProto::Protocol::kHexDumpFieldNumber);
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OstProto::HexDump *hexDump = proto->MutableExtension(OstProto::hexDump);
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hexDump->mutable_content()->append(options_.constData(),
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options_.size());
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hexDump->set_pad_until_end(false);
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options_.resize(0);
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}
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}
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