70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
/*
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Copyright (C) 2021 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 "grepdml.h"
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#include "gre.pb.h"
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PdmlGreProtocol::PdmlGreProtocol()
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{
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ostProtoId_ = OstProto::Protocol::kGreFieldNumber;
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fieldMap_.insert("gre.proto", OstProto::Gre::kProtocolTypeFieldNumber);
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fieldMap_.insert("gre.checksum", OstProto::Gre::kChecksumFieldNumber);
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fieldMap_.insert("gre.offset", OstProto::Gre::kRsvd1FieldNumber);
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fieldMap_.insert("gre.key", OstProto::Gre::kKeyFieldNumber);
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fieldMap_.insert("gre.sequence_number", OstProto::Gre::kSequenceNumFieldNumber);
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}
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PdmlGreProtocol::~PdmlGreProtocol()
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{
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}
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PdmlProtocol* PdmlGreProtocol::createInstance()
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{
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return new PdmlGreProtocol();
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}
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void PdmlGreProtocol::postProtocolHandler(OstProto::Protocol* pbProto,
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OstProto::Stream* /*stream*/)
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{
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OstProto::Gre *gre = pbProto->MutableExtension(OstProto::gre);
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qDebug("GRE: post");
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gre->set_is_override_checksum(overrideCksum_);
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return;
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}
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void PdmlGreProtocol::unknownFieldHandler(QString name,
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int /*pos*/, int /*size*/, const QXmlStreamAttributes& attributes,
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OstProto::Protocol* proto, OstProto::Stream* /*stream*/)
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{
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if (name == "gre.flags_and_version") {
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bool isOk;
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OstProto::Gre *gre = proto->MutableExtension(OstProto::gre);
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quint16 flagsAndVersion = attributes.value("value")
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.toUInt(&isOk, kBaseHex);
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gre->set_flags(flagsAndVersion >> 12);
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gre->set_rsvd0((flagsAndVersion & 0x0FFF) >> 3);
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gre->set_version(flagsAndVersion & 0x0007);
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}
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}
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