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/*
Copyright (C) 2010-2014 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 "dot3.h"
Dot3Protocol::Dot3Protocol(StreamBase *stream, AbstractProtocol *parent)
: AbstractProtocol(stream, parent)
{
}
Dot3Protocol::~Dot3Protocol()
{
}
AbstractProtocol* Dot3Protocol::createInstance(StreamBase *stream,
AbstractProtocol *parent)
{
return new Dot3Protocol(stream, parent);
}
quint32 Dot3Protocol::protocolNumber() const
{
return OstProto::Protocol::kDot3FieldNumber;
}
void Dot3Protocol::protoDataCopyInto(OstProto::Protocol &protocol) const
{
protocol.MutableExtension(OstProto::dot3)->CopyFrom(data);
protocol.mutable_protocol_id()->set_id(protocolNumber());
}
void Dot3Protocol::protoDataCopyFrom(const OstProto::Protocol &protocol)
{
if (protocol.protocol_id().id() == protocolNumber() &&
protocol.HasExtension(OstProto::dot3))
data.MergeFrom(protocol.GetExtension(OstProto::dot3));
}
QString Dot3Protocol::name() const
{
return QString("802.3");
}
QString Dot3Protocol::shortName() const
{
return QString("802.3");
}
int Dot3Protocol::fieldCount() const
{
return dot3_fieldCount;
}
AbstractProtocol::FieldFlags Dot3Protocol::fieldFlags(int index) const
{
AbstractProtocol::FieldFlags flags;
flags = AbstractProtocol::fieldFlags(index);
switch (index)
{
case dot3_length:
break;
// Meta fields
case dot3_is_override_length:
flags &= ~FrameField;
flags |= MetaField;
break;
default:
break;
}
return flags;
}
QVariant Dot3Protocol::fieldData(int index, FieldAttrib attrib,
int streamIndex) const
{
switch (index)
{
case dot3_length:
switch(attrib)
{
case FieldName:
return QString("Length");
case FieldValue:
{
quint16 len = data.is_override_length() ?
data.length() : protocolFramePayloadSize(streamIndex);
return len;
}
case FieldTextValue:
{
quint16 len = data.is_override_length() ?
data.length() : protocolFramePayloadSize(streamIndex);
return QString("%1").arg(len);
}
case FieldFrameValue:
{
quint16 len = data.is_override_length() ?
data.length() : protocolFramePayloadSize(streamIndex);
QByteArray fv;
fv.resize(2);
qToBigEndian(len, (uchar*) fv.data());
return fv;
}
case FieldBitSize:
return 16;
default:
break;
}
break;
// Meta fields
case dot3_is_override_length:
{
switch(attrib)
{
case FieldValue:
return data.is_override_length();
default:
break;
}
break;
}
default:
qFatal("%s: unimplemented case %d in switch", __PRETTY_FUNCTION__,
index);
break;
}
return AbstractProtocol::fieldData(index, attrib, streamIndex);
}
bool Dot3Protocol::setFieldData(int index, const QVariant &value,
FieldAttrib attrib)
{
bool isOk = false;
if (attrib != FieldValue)
return false;
switch (index)
{
case dot3_length:
{
uint len = value.toUInt(&isOk);
if (isOk)
data.set_length(len);
break;
}
case dot3_is_override_length:
{
bool ovr = value.toBool();
data.set_is_override_length(ovr);
isOk = true;
break;
}
default:
qFatal("%s: unimplemented case %d in switch", __PRETTY_FUNCTION__,
index);
break;
}
return isOk;
}
int Dot3Protocol::protocolFrameVariableCount() const
{
return AbstractProtocol::lcm(
AbstractProtocol::protocolFrameVariableCount(),
protocolFramePayloadVariableCount());
}
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