770 lines
22 KiB
C++
770 lines
22 KiB
C++
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/*
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Copyright (C) 2010 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 "gmp.h"
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#include <QStringList>
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QHash<int, int> GmpProtocol::frameFieldCountMap;
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GmpProtocol::GmpProtocol(StreamBase *stream, AbstractProtocol *parent)
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: AbstractProtocol(stream, parent)
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{
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}
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GmpProtocol::~GmpProtocol()
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{
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}
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AbstractProtocol::ProtocolIdType GmpProtocol::protocolIdType() const
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{
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return ProtocolIdIp;
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}
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int GmpProtocol::fieldCount() const
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{
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return FIELD_COUNT;
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}
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int GmpProtocol::frameFieldCount() const
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{
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int type = msgType();
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// frameFieldCountMap contains the frameFieldCounts for each
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// msgType - this is built on demand and cached for subsequent use
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// lookup if we have already cached ...
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if (frameFieldCountMap.contains(type))
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return frameFieldCountMap.value(type);
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// ... otherwise calculate and cache
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int count = 0;
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for (int i = 0; i < FIELD_COUNT; i++)
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{
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if (fieldFlags(i).testFlag(AbstractProtocol::FrameField))
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count++;
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}
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frameFieldCountMap.insert(type, count);
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return count;
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}
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AbstractProtocol::FieldFlags GmpProtocol::fieldFlags(int index) const
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{
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AbstractProtocol::FieldFlags flags;
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flags = AbstractProtocol::fieldFlags(index);
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flags &= ~FrameField;
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switch(index)
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{
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// Frame Fields - check against msgType()
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case kType:
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case kRsvdMrtCode:
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flags |= FrameField;
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break;
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case kChecksum:
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flags |= FrameField;
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flags |= CksumField;
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break;
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case kMldMrt:
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case kMldRsvd:
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// MLD subclass should handle suitably
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break;
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case kGroupAddress:
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if (!isSsmReport())
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flags |= FrameField;
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break;
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case kRsvd1:
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case kSFlag:
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case kQrv:
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case kQqic:
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case kSourceCount:
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case kSources:
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if (isSsmQuery())
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flags |= FrameField;
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break;
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case kRsvd2:
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case kGroupRecordCount:
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case kGroupRecords:
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if (isSsmReport())
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flags |= FrameField;
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break;
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// Meta Fields
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case kIsOverrideChecksum:
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case kGroupMode:
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case kGroupCount:
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case kGroupPrefix:
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case kIsOverrideSourceCount:
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case kIsOverrideGroupRecordCount:
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flags |= MetaField;
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break;
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default:
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qFatal("%s: unimplemented case %d in switch", __PRETTY_FUNCTION__,
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index);
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break;
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}
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return flags;
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}
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QVariant GmpProtocol::fieldData(int index, FieldAttrib attrib,
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int streamIndex) const
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{
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switch (index)
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{
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case kType:
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{
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uint type = data.type();
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switch(attrib)
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{
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case FieldName:
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return QString("Type");
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case FieldValue:
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return type;
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case FieldTextValue:
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return QString("%1").arg(quint8(type));
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case FieldFrameValue:
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return QByteArray(1, quint8(type));
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default:
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break;
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}
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break;
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}
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case kRsvdMrtCode:
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{
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quint8 rsvd = 0;
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switch(attrib)
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{
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case FieldName:
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return QString("Reserved");
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case FieldValue:
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return rsvd;
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case FieldTextValue:
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return QString("%1").arg(rsvd);
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case FieldFrameValue:
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return QByteArray(1, rsvd);
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default:
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break;
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}
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break;
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}
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case kChecksum:
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{
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switch(attrib)
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{
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case FieldName:
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return QString("Checksum");
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case FieldBitSize:
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return 16;
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default:
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break;
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}
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quint16 cksum = data.is_override_checksum() ?
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data.checksum() : checksum(streamIndex);
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switch(attrib)
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{
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case FieldValue:
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return cksum;
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case FieldFrameValue:
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{
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QByteArray fv;
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fv.resize(2);
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qToBigEndian(cksum, (uchar*) fv.data());
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return fv;
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}
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case FieldTextValue:
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return QString("0x%1").arg(cksum, 4, BASE_HEX, QChar('0'));
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default:
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break;
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}
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break;
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}
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case kMldMrt:
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case kMldRsvd:
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// XXX: Present only in MLD - hence handled by the mld subclass
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break;
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case kGroupAddress:
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// XXX: Handled by each subclass
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break;
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case kRsvd1:
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{
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quint8 rsvd = 0;
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switch(attrib)
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{
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case FieldName:
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return QString("Reserved");
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case FieldValue:
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return rsvd;
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case FieldTextValue:
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return QString("%1").arg(rsvd);
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case FieldFrameValue:
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return QByteArray(1, char(rsvd));
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case FieldBitSize:
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return 4;
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default:
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break;
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}
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break;
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}
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case kSFlag:
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{
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switch(attrib)
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{
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case FieldName:
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return QString("S Flag");
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case FieldValue:
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return data.s_flag();
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case FieldTextValue:
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return data.s_flag() ? QString("True") : QString("False");
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case FieldFrameValue:
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return QByteArray(1, char(data.s_flag()));
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case FieldBitSize:
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return 1;
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default:
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break;
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}
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break;
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}
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case kQrv:
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{
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int qrv = data.qrv() & 0x7;
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switch(attrib)
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{
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case FieldName:
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return QString("QRV");
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case FieldValue:
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return qrv;
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case FieldTextValue:
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return QString("%1").arg(qrv);
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case FieldFrameValue:
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return QByteArray(1, char(qrv));
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case FieldBitSize:
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return 3;
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default:
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break;
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}
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break;
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}
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case kQqic:
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{
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int qqi = data.qqi();
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switch(attrib)
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{
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case FieldName:
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return QString("QQIC");
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case FieldValue:
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return qqi;
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case FieldTextValue:
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return QString("%1").arg(qqi);
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case FieldFrameValue:
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{
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char qqicode = char(qqic(qqi));
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return QByteArray(1, qqicode);
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}
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default:
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break;
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}
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break;
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}
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case kSourceCount:
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{
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quint16 count = data.sources_size();
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if (data.is_override_source_count())
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count = data.source_count();
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switch(attrib)
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{
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case FieldName:
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return QString("Number of Sources");
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case FieldValue:
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return count;
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case FieldTextValue:
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return QString("%1").arg(count);
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case FieldFrameValue:
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{
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QByteArray fv;
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fv.resize(2);
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qToBigEndian(count, (uchar*) fv.data());
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return fv;
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}
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default:
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break;
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}
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break;
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}
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case kSources:
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// XXX: Handled by each subclass
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break;
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case kRsvd2:
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{
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quint16 rsvd = 0;
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switch(attrib)
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{
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case FieldName:
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return QString("Reserved");
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case FieldValue:
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return rsvd;
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case FieldTextValue:
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return QString("%1").arg(rsvd);
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case FieldFrameValue:
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{
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QByteArray fv;
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fv.resize(2);
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qToBigEndian(rsvd, (uchar*) fv.data());
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return fv;
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}
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default:
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break;
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}
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break;
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}
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case kGroupRecordCount:
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{
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quint16 count = data.group_records_size();
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if (data.is_override_group_record_count())
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count = data.group_record_count();
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switch(attrib)
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{
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case FieldName:
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return QString("Number of Group Records");
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case FieldValue:
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return count;
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case FieldTextValue:
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return QString("%1").arg(count);
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case FieldFrameValue:
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{
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QByteArray fv;
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fv.resize(2);
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qToBigEndian(count, (uchar*) fv.data());
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return fv;
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}
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default:
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break;
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}
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break;
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}
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case kGroupRecords:
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{
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switch(attrib)
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{
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case FieldName:
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return QString("Group List");
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case FieldValue:
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{
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QVariantList grpRecords;
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for (int i = 0; i < data.group_records_size(); i++)
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{
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QVariantMap grpRec;
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OstProto::Gmp::GroupRecord rec = data.group_records(i);
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grpRec["groupRecordType"] = rec.type();
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// grpRec["groupRecordAddress"] = subclass responsibility
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grpRec["overrideGroupRecordSourceCount"] =
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rec.is_override_source_count();
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grpRec["groupRecordSourceCount"] = rec.source_count();
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// grpRec["groupRecordSourceList"] = subclass responsibility
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grpRec["overrideAuxDataLength"] =
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rec.is_override_aux_data_length();
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grpRec["auxDataLength"] = rec.aux_data_length();
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grpRec["auxData"] = QByteArray().append(
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QString::fromStdString(rec.aux_data()));
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grpRecords.append(grpRec);
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}
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return grpRecords;
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}
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case FieldFrameValue:
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{
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QVariantList fv;
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for (int i = 0; i < data.group_records_size(); i++)
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{
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OstProto::Gmp::GroupRecord rec = data.group_records(i);
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QByteArray rv;
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quint16 srcCount;
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rv.resize(4);
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rv[0] = rec.type();
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rv[1] = rec.is_override_aux_data_length() ?
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rec.aux_data_length() : rec.aux_data().size()/4;
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if (rec.is_override_source_count())
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srcCount = rec.source_count();
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else
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srcCount = rec.sources_size();
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qToBigEndian(srcCount, (uchar*)(rv.data()+2));
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|
||
|
|
// group_address => subclass responsibility
|
||
|
|
// source list => subclass responsibility
|
||
|
|
|
||
|
|
rv.append(QString().fromStdString(rec.aux_data()));
|
||
|
|
|
||
|
|
fv.append(rv);
|
||
|
|
}
|
||
|
|
return fv;
|
||
|
|
}
|
||
|
|
case FieldTextValue:
|
||
|
|
{
|
||
|
|
QStringList list;
|
||
|
|
|
||
|
|
for (int i = 0; i < data.group_records_size(); i++)
|
||
|
|
{
|
||
|
|
OstProto::Gmp::GroupRecord rec = data.group_records(i);
|
||
|
|
QString str;
|
||
|
|
|
||
|
|
str.append(" Type: ");
|
||
|
|
switch(rec.type())
|
||
|
|
{
|
||
|
|
case OstProto::Gmp::GroupRecord::kIsInclude:
|
||
|
|
str.append("IS_INCLUDE"); break;
|
||
|
|
case OstProto::Gmp::GroupRecord::kIsExclude:
|
||
|
|
str.append("IS_EXCLUDE"); break;
|
||
|
|
case OstProto::Gmp::GroupRecord::kToInclude:
|
||
|
|
str.append("TO_INCLUDE"); break;
|
||
|
|
case OstProto::Gmp::GroupRecord::kToExclude:
|
||
|
|
str.append("TO_EXCLUDE"); break;
|
||
|
|
case OstProto::Gmp::GroupRecord::kAllowNew:
|
||
|
|
str.append("ALLOW_NEW"); break;
|
||
|
|
case OstProto::Gmp::GroupRecord::kBlockOld:
|
||
|
|
str.append("BLOCK_OLD"); break;
|
||
|
|
default:
|
||
|
|
str.append("UNKNOWN"); break;
|
||
|
|
}
|
||
|
|
str.append(QString("; AuxLen: %1").arg(
|
||
|
|
rec.is_override_aux_data_length() ?
|
||
|
|
rec.aux_data_length() : rec.aux_data().size()/4));
|
||
|
|
str.append(QString("; Source Count: %1").arg(
|
||
|
|
rec.is_override_source_count() ?
|
||
|
|
rec.source_count(): rec.sources_size()));
|
||
|
|
|
||
|
|
// NOTE: subclass should replace the XXX below with
|
||
|
|
// group address and source list
|
||
|
|
str.append(QString("; XXX"));
|
||
|
|
|
||
|
|
str.append(QString("; AuxData: ").append(
|
||
|
|
QByteArray().append(QString().fromStdString(
|
||
|
|
rec.aux_data())).toHex()));
|
||
|
|
|
||
|
|
list.append(str);
|
||
|
|
}
|
||
|
|
return list;
|
||
|
|
}
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Meta Fields
|
||
|
|
case kIsOverrideChecksum:
|
||
|
|
{
|
||
|
|
switch(attrib)
|
||
|
|
{
|
||
|
|
case FieldValue: return data.is_override_checksum();
|
||
|
|
default: break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case kGroupMode:
|
||
|
|
{
|
||
|
|
switch(attrib)
|
||
|
|
{
|
||
|
|
case FieldValue: return data.group_mode();
|
||
|
|
default: break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case kGroupCount:
|
||
|
|
{
|
||
|
|
switch(attrib)
|
||
|
|
{
|
||
|
|
case FieldValue: return data.group_count();
|
||
|
|
default: break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case kGroupPrefix:
|
||
|
|
{
|
||
|
|
switch(attrib)
|
||
|
|
{
|
||
|
|
case FieldValue: return data.group_prefix();
|
||
|
|
default: break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case kIsOverrideSourceCount:
|
||
|
|
{
|
||
|
|
switch(attrib)
|
||
|
|
{
|
||
|
|
case FieldValue: return data.is_override_source_count();
|
||
|
|
default: break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case kIsOverrideGroupRecordCount:
|
||
|
|
{
|
||
|
|
switch(attrib)
|
||
|
|
{
|
||
|
|
case FieldValue: return data.is_override_group_record_count();
|
||
|
|
default: break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
default:
|
||
|
|
qFatal("%s: unimplemented case %d in switch", __PRETTY_FUNCTION__,
|
||
|
|
index);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return AbstractProtocol::fieldData(index, attrib, streamIndex);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool GmpProtocol::setFieldData(int index, const QVariant &value,
|
||
|
|
FieldAttrib attrib)
|
||
|
|
{
|
||
|
|
bool isOk = false;
|
||
|
|
|
||
|
|
if (attrib != FieldValue)
|
||
|
|
goto _exit;
|
||
|
|
|
||
|
|
switch (index)
|
||
|
|
{
|
||
|
|
case kType:
|
||
|
|
{
|
||
|
|
uint type = value.toUInt(&isOk);
|
||
|
|
if (isOk)
|
||
|
|
data.set_type(type);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case kRsvdMrtCode:
|
||
|
|
{
|
||
|
|
uint val = value.toUInt(&isOk);
|
||
|
|
if (isOk)
|
||
|
|
data.set_rsvd_code(val);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case kChecksum:
|
||
|
|
{
|
||
|
|
uint csum = value.toUInt(&isOk);
|
||
|
|
if (isOk)
|
||
|
|
data.set_checksum(csum);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case kMldMrt:
|
||
|
|
{
|
||
|
|
uint mrt = value.toUInt(&isOk);
|
||
|
|
if (isOk)
|
||
|
|
data.set_max_response_time(mrt);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case kGroupAddress:
|
||
|
|
// XXX: Handled by subclass
|
||
|
|
isOk = false;
|
||
|
|
break;
|
||
|
|
case kRsvd1:
|
||
|
|
isOk = false;
|
||
|
|
break;
|
||
|
|
case kSFlag:
|
||
|
|
{
|
||
|
|
bool flag = value.toBool();
|
||
|
|
data.set_s_flag(flag);
|
||
|
|
isOk = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case kQrv:
|
||
|
|
{
|
||
|
|
uint qrv = value.toUInt(&isOk);
|
||
|
|
if (isOk)
|
||
|
|
data.set_qrv(qrv);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case kQqic:
|
||
|
|
{
|
||
|
|
uint qqi = value.toUInt(&isOk);
|
||
|
|
if (isOk)
|
||
|
|
data.set_qqi(qqi);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case kSourceCount:
|
||
|
|
{
|
||
|
|
uint count = value.toUInt(&isOk);
|
||
|
|
if (isOk)
|
||
|
|
data.set_source_count(count);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case kSources:
|
||
|
|
// XXX: Handled by subclass
|
||
|
|
isOk = false;
|
||
|
|
break;
|
||
|
|
case kRsvd2:
|
||
|
|
isOk = false;
|
||
|
|
break;
|
||
|
|
case kGroupRecordCount:
|
||
|
|
{
|
||
|
|
uint count = value.toUInt(&isOk);
|
||
|
|
if (isOk)
|
||
|
|
data.set_group_record_count(count);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case kGroupRecords:
|
||
|
|
{
|
||
|
|
QVariantList list = value.toList();
|
||
|
|
|
||
|
|
data.clear_group_records();
|
||
|
|
|
||
|
|
for (int i = 0; i < list.count(); i++)
|
||
|
|
{
|
||
|
|
QVariantMap grpRec = list.at(i).toMap();
|
||
|
|
OstProto::Gmp::GroupRecord *rec = data.add_group_records();
|
||
|
|
|
||
|
|
rec->set_type(OstProto::Gmp::GroupRecord::RecordType(
|
||
|
|
grpRec["groupRecordType"].toInt()));
|
||
|
|
// NOTE: rec->group_address => subclass responsibility
|
||
|
|
rec->set_is_override_source_count(
|
||
|
|
grpRec["overrideGroupRecordSourceCount"].toBool());
|
||
|
|
rec->set_source_count(grpRec["groupRecordSourceCount"].toUInt());
|
||
|
|
// NOTE: rec->sources => subclass responsibility
|
||
|
|
rec->set_is_override_aux_data_length(
|
||
|
|
grpRec["overrideAuxDataLength"].toBool());
|
||
|
|
rec->set_aux_data_length(grpRec["auxDataLength"].toUInt());
|
||
|
|
QByteArray ba = grpRec["auxData"].toByteArray();
|
||
|
|
// pad to word boundary
|
||
|
|
if (ba.size() % 4)
|
||
|
|
ba.append(QByteArray(4 - (ba.size() % 4), char(0)));
|
||
|
|
rec->set_aux_data(std::string(ba.constData(), ba.size()));
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Meta Fields
|
||
|
|
case kIsOverrideChecksum:
|
||
|
|
{
|
||
|
|
bool ovr = value.toBool();
|
||
|
|
data.set_is_override_checksum(ovr);
|
||
|
|
isOk = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case kGroupMode:
|
||
|
|
{
|
||
|
|
uint mode = value.toUInt(&isOk);
|
||
|
|
if (isOk && data.GroupMode_IsValid(mode))
|
||
|
|
data.set_group_mode((OstProto::Gmp::GroupMode)mode);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case kGroupCount:
|
||
|
|
{
|
||
|
|
uint count = value.toUInt(&isOk);
|
||
|
|
if (isOk)
|
||
|
|
data.set_group_count(count);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case kGroupPrefix:
|
||
|
|
{
|
||
|
|
uint prefix = value.toUInt(&isOk);
|
||
|
|
if (isOk)
|
||
|
|
data.set_group_prefix(prefix);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case kIsOverrideSourceCount:
|
||
|
|
{
|
||
|
|
bool ovr = value.toBool();
|
||
|
|
data.set_is_override_source_count(ovr);
|
||
|
|
isOk = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case kIsOverrideGroupRecordCount:
|
||
|
|
{
|
||
|
|
bool ovr = value.toBool();
|
||
|
|
data.set_is_override_group_record_count(ovr);
|
||
|
|
isOk = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
default:
|
||
|
|
qFatal("%s: unimplemented case %d in switch", __PRETTY_FUNCTION__,
|
||
|
|
index);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
_exit:
|
||
|
|
return isOk;
|
||
|
|
}
|
||
|
|
|
||
|
|
int GmpProtocol::protocolFrameSize(int streamIndex) const
|
||
|
|
{
|
||
|
|
// TODO: Calculate to reduce processing cost
|
||
|
|
return AbstractProtocol::protocolFrameValue(streamIndex, true).size();
|
||
|
|
}
|
||
|
|
|
||
|
|
bool GmpProtocol::isProtocolFrameValueVariable() const
|
||
|
|
{
|
||
|
|
// No fields vary for Ssm Query and Report
|
||
|
|
if (isSsmReport() || isSsmQuery())
|
||
|
|
return false;
|
||
|
|
|
||
|
|
// For all other msg types, check the group mode
|
||
|
|
if (fieldData(kGroupMode, FieldValue).toUInt()
|
||
|
|
!= uint(OstProto::Gmp::kFixed))
|
||
|
|
return true;
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
int GmpProtocol::protocolFrameVariableCount() const
|
||
|
|
{
|
||
|
|
int count = 1;
|
||
|
|
|
||
|
|
// No fields vary for Ssm Query and Report
|
||
|
|
if (isSsmReport() || isSsmQuery())
|
||
|
|
return count;
|
||
|
|
|
||
|
|
// For all other msg types, check the group mode
|
||
|
|
if (fieldData(kGroupMode, FieldValue).toUInt()
|
||
|
|
!= uint(OstProto::Gmp::kFixed))
|
||
|
|
{
|
||
|
|
count = AbstractProtocol::lcm(count,
|
||
|
|
fieldData(kGroupCount, FieldValue).toUInt());
|
||
|
|
}
|
||
|
|
|
||
|
|
return count;
|
||
|
|
}
|