ostinato/common/gmp.h

129 lines
3.1 KiB
C++
Executable File

/*
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/>
*/
#ifndef _GMP_H
#define _GMP_H
#include "abstractprotocol.h"
#include "gmp.pb.h"
#include <QHash>
/*
Gmp Protocol Frame Format - TODO: for now see the respective RFCs
*/
class GmpProtocol : public AbstractProtocol
{
public:
enum GmpField
{
// ------------
// Frame Fields
// ------------
// Fields used in all ASM and SSM messages, unless otherwise specified
kType = 0,
kRsvdMrtCode,
kChecksum,
kMldMrt, // MLD Only (except MLDv2 Report)
kMldRsvd, // MLD Only (except MLDv2 Report)
// Field used in ASM messages
kGroupAddress,
FIELD_COUNT_ASM_ALL,
// Fields used in SSM Query
kRsvd1 = FIELD_COUNT_ASM_ALL,
kSFlag,
kQrv,
kQqic,
kSourceCount,
kSources,
FIELD_COUNT_SSM_QUERY,
// Fields used in SSM Report
kRsvd2 = FIELD_COUNT_SSM_QUERY,
kGroupRecordCount,
kGroupRecords,
FIELD_COUNT_SSM_REPORT,
FRAME_FIELD_COUNT = FIELD_COUNT_SSM_REPORT,
// -----------
// Meta Fields
// -----------
kIsOverrideChecksum = FRAME_FIELD_COUNT,
kGroupMode,
kGroupCount,
kGroupPrefix,
kIsOverrideSourceCount,
kIsOverrideGroupRecordCount,
FIELD_COUNT
};
GmpProtocol(StreamBase *stream, AbstractProtocol *parent = 0);
virtual ~GmpProtocol();
virtual ProtocolIdType protocolIdType() const;
virtual int fieldCount() const;
virtual int frameFieldCount() const;
virtual AbstractProtocol::FieldFlags fieldFlags(int index) const;
virtual QVariant fieldData(int index, FieldAttrib attrib,
int streamIndex = 0) const;
virtual bool setFieldData(int index, const QVariant &value,
FieldAttrib attrib = FieldValue);
virtual int protocolFrameSize(int streamIndex = 0) const;
virtual int protocolFrameVariableCount() const;
protected:
OstProto::Gmp data;
int msgType() const;
virtual bool isSsmReport() const = 0;
virtual bool isQuery() const = 0;
virtual bool isSsmQuery() const = 0;
int qqic(int value) const;
virtual quint16 checksum(int streamIndex) const = 0;
private:
static QHash<int, int> frameFieldCountMap;
};
inline int GmpProtocol::msgType() const
{
return fieldData(kType, FieldValue).toInt();
}
inline int GmpProtocol::qqic(int value) const
{
return quint8(value); // TODO: if value > 128 convert to mantissa/exp form
}
#endif