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/*
Copyright (C) 2010 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 "hexdump.h"
#include "streambase.h"
HexDumpProtocol::HexDumpProtocol(StreamBase *stream, AbstractProtocol *parent)
: AbstractProtocol(stream, parent)
{
}
HexDumpProtocol::~HexDumpProtocol()
{
}
AbstractProtocol* HexDumpProtocol::createInstance(StreamBase *stream,
AbstractProtocol *parent)
{
return new HexDumpProtocol(stream, parent);
}
quint32 HexDumpProtocol::protocolNumber() const
{
return OstProto::Protocol::kHexDumpFieldNumber;
}
void HexDumpProtocol::protoDataCopyInto(OstProto::Protocol &protocol) const
{
protocol.MutableExtension(OstProto::hexDump)->CopyFrom(data);
protocol.mutable_protocol_id()->set_id(protocolNumber());
}
void HexDumpProtocol::protoDataCopyFrom(const OstProto::Protocol &protocol)
{
if (protocol.protocol_id().id() == protocolNumber() &&
protocol.HasExtension(OstProto::hexDump))
data.MergeFrom(protocol.GetExtension(OstProto::hexDump));
}
QString HexDumpProtocol::name() const
{
return QString("HexDump");
}
QString HexDumpProtocol::shortName() const
{
return QString("HexDump");
}
int HexDumpProtocol::fieldCount() const
{
return hexDump_fieldCount;
}
AbstractProtocol::FieldFlags HexDumpProtocol::fieldFlags(int index) const
{
AbstractProtocol::FieldFlags flags;
flags = AbstractProtocol::fieldFlags(index);
switch (index)
{
case hexDump_content:
flags |= FrameField;
break;
case hexDump_pad_until_end:
flags &= ~FrameField;
flags |= MetaField;
break;
default:
qFatal("%s: unimplemented case %d in switch", __PRETTY_FUNCTION__,
index);
break;
}
return flags;
}
QVariant HexDumpProtocol::fieldData(int index, FieldAttrib attrib,
int streamIndex) const
{
switch (index)
{
case hexDump_content:
{
QByteArray ba;
QByteArray pad;
switch(attrib)
{
case FieldValue:
case FieldTextValue:
case FieldFrameValue:
ba.append(data.content().c_str(), data.content().length());
if (padUntilEnd())
{
pad = QByteArray(
protocolFrameSize(streamIndex) - ba.size(), '\0');
}
break;
default:
break;
}
switch(attrib)
{
case FieldName:
return QString("Content");
case FieldValue:
return ba;
case FieldTextValue:
return ba.append(pad).toHex();
case FieldFrameValue:
return ba.append(pad);
default:
break;
}
break;
}
// Meta fields
case hexDump_pad_until_end:
{
switch(attrib)
{
case FieldValue:
return padUntilEnd();
default:
break;
}
break;
}
default:
qFatal("%s: unimplemented case %d in switch", __PRETTY_FUNCTION__,
index);
break;
}
return AbstractProtocol::fieldData(index, attrib, streamIndex);
}
bool HexDumpProtocol::setFieldData(int index, const QVariant &value,
FieldAttrib attrib)
{
bool isOk = false;
if (attrib != FieldValue)
goto _exit;
switch (index)
{
case hexDump_content:
{
QByteArray ba = value.toByteArray();
data.set_content(ba.constData(), ba.size());
isOk = true;
break;
}
case hexDump_pad_until_end:
{
bool pad = value.toBool();
data.set_pad_until_end(pad);
isOk = true;
break;
}
default:
qFatal("%s: unimplemented case %d in switch", __PRETTY_FUNCTION__,
index);
break;
}
_exit:
return isOk;
}
int HexDumpProtocol::protocolFrameSize(int streamIndex) const
{
int len = data.content().size();
if (padUntilEnd())
{
int pad = mpStream->frameLen(streamIndex)
- (protocolFrameOffset(streamIndex)
+ len
+ protocolFramePayloadSize(streamIndex)
+ kFcsSize);
if (pad < 0)
pad = 0;
len += pad;
}
return len;
}
bool HexDumpProtocol::padUntilEnd() const
{
if (next)
return false; // No padding if we are not the last protocol
return data.pad_until_end();
}
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