547 lines
15 KiB
C++
547 lines
15 KiB
C++
/*
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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 <qendian.h>
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#include "sample.h"
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SampleConfigForm::SampleConfigForm(QWidget *parent)
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: QWidget(parent)
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{
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setupUi(this);
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}
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SampleProtocol::SampleProtocol(StreamBase *stream, AbstractProtocol *parent)
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: AbstractProtocol(stream, parent)
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{
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/* The configWidget is created lazily */
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configForm = NULL;
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}
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SampleProtocol::~SampleProtocol()
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{
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delete configForm;
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}
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AbstractProtocol* SampleProtocol::createInstance(StreamBase *stream,
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AbstractProtocol *parent)
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{
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return new SampleProtocol(stream, parent);
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}
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quint32 SampleProtocol::protocolNumber() const
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{
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return OstProto::Protocol::kSampleFieldNumber;
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}
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void SampleProtocol::protoDataCopyInto(OstProto::Protocol &protocol) const
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{
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protocol.MutableExtension(OstProto::sample)->CopyFrom(data);
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protocol.mutable_protocol_id()->set_id(protocolNumber());
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}
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void SampleProtocol::protoDataCopyFrom(const OstProto::Protocol &protocol)
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{
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if (protocol.protocol_id().id() == protocolNumber() &&
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protocol.HasExtension(OstProto::sample))
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data.MergeFrom(protocol.GetExtension(OstProto::sample));
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}
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QString SampleProtocol::name() const
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{
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return QString("Sample Protocol");
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}
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QString SampleProtocol::shortName() const
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{
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return QString("SAMPLE");
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}
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/*!
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TODO Return the ProtocolIdType for your protocol \n
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If your protocol doesn't have a protocolId field, you don't need to
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reimplement this method - the base class implementation will do the
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right thing
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*/
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AbstractProtocol::ProtocolIdType SampleProtocol::protocolIdType() const
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{
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return ProtocolIdIp;
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}
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/*!
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TODO Return the protocolId for your protoocol based on the 'type' requested \n
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If not all types are valid for your protocol, handle the valid type(s)
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and for the remaining fallback to the base class implementation; if your
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protocol doesn't have a protocolId at all, you don't need to reimplement
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this method - the base class will do the right thing
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*/
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quint32 SampleProtocol::protocolId(ProtocolIdType type) const
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{
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switch(type)
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{
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case ProtocolIdIp: return 1234;
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default:break;
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}
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return AbstractProtocol::protocolId(type);
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}
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int SampleProtocol::fieldCount() const
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{
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return sample_fieldCount;
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}
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/*!
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TODO Return the number of frame fields for your protocol. A frame field
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is a field which has the FrameField flag set \n
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If your protocol has different sets of fields based on a OpCode/Type field
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(e.g. icmp), you MUST re-implement this function; however, if your protocol
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has a fixed set of frame fields always, you don't need to reimplement this
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method - the base class implementation will do the right thing
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*/
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int SampleProtocol::frameFieldCount() const
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{
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return 0;
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}
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/*!
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TODO Edit this function to return the appropriate flags for each field \n
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See AbstractProtocol::FieldFlags for more info
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*/
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AbstractProtocol::FieldFlags SampleProtocol::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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switch (index)
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{
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case sample_a:
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case sample_b:
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case sample_payloadLength:
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break;
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case sample_checksum:
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flags |= CksumField;
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break;
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case sample_x:
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case sample_y:
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break;
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case sample_is_override_checksum:
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flags &= ~FrameField;
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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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/*!
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TODO: Edit this function to return the data for each field
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See AbstractProtocol::fieldData() for more info
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*/
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QVariant SampleProtocol::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 sample_a:
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{
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int a = data.ab() >> 13;
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switch(attrib)
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{
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case FieldName:
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return QString("A");
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case FieldValue:
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return a;
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case FieldTextValue:
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return QString("%1").arg(a);
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case FieldFrameValue:
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return QByteArray(1, (char) a);
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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 sample_b:
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{
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int b = data.ab() & 0x1FFF;
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switch(attrib)
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{
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case FieldName:
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return QString("B");
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case FieldValue:
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return b;
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case FieldTextValue:
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return QString("%1").arg(b, 4, BASE_HEX, QChar('0'));
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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((quint16) b, (uchar*) fv.data());
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return fv;
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}
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case FieldBitSize:
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return 13;
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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 sample_payloadLength:
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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("Payload Length");
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case FieldValue:
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return protocolFramePayloadSize(streamIndex);
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case FieldFrameValue:
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{
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QByteArray fv;
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int totlen;
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totlen = protocolFramePayloadSize(streamIndex);
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fv.resize(2);
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qToBigEndian((quint16) totlen, (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("%1").arg(
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protocolFramePayloadSize(streamIndex));
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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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break;
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}
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case sample_checksum:
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{
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quint16 cksum;
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switch(attrib)
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{
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case FieldValue:
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case FieldFrameValue:
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case FieldTextValue:
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if (data.is_override_checksum())
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cksum = data.checksum();
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else
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cksum = protocolFrameCksum(streamIndex, CksumIp);
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break;
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default:
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cksum = 0; // avoid the 'maybe used unitialized' warning
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break;
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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 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(
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cksum, 4, BASE_HEX, QChar('0'));;
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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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break;
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}
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case sample_x:
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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("X");
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case FieldValue:
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return data.x();
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case FieldTextValue:
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// Use the following line for display in decimal
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return QString("%1").arg(data.x());
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// Use the following line for display in hexa-decimal
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//return QString("%1").arg(data.x(), 8, BASE_HEX, QChar('0'));
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case FieldFrameValue:
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{
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QByteArray fv;
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fv.resize(4);
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qToBigEndian((quint32) data.x(), (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 sample_y:
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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("Y");
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case FieldValue:
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return data.y();
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case FieldTextValue:
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// Use the following line for display in decimal
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//return QString("%1").arg(data.y());
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// Use the following line for display in hexa-decimal
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return QString("%1").arg(data.y(), 4, BASE_HEX, QChar('0'));
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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((quint16) data.y(), (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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// Meta fields
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case sample_is_override_checksum:
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{
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switch(attrib)
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{
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case FieldValue:
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return data.is_override_checksum();
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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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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 AbstractProtocol::fieldData(index, attrib, streamIndex);
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}
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/*!
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TODO: Edit this function to set the data for each field
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See AbstractProtocol::setFieldData() for more info
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*/
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bool SampleProtocol::setFieldData(int index, const QVariant &value,
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FieldAttrib attrib)
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{
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bool isOk = false;
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if (attrib != FieldValue)
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goto _exit;
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switch (index)
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{
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case sample_a:
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{
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uint a = value.toUInt(&isOk);
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if (isOk)
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data.set_ab((data.ab() & 0xe000) | (a << 13));
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break;
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}
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case sample_b:
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{
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uint b = value.toUInt(&isOk);
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if (isOk)
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data.set_ab((data.ab() & 0x1FFF) | b);
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break;
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}
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case sample_payloadLength:
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{
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uint len = value.toUInt(&isOk);
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if (isOk)
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data.set_payload_length(len);
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break;
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}
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case sample_checksum:
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{
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uint csum = value.toUInt(&isOk);
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if (isOk)
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data.set_checksum(csum);
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break;
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}
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case sample_x:
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{
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uint x = value.toUInt(&isOk);
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if (isOk)
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data.set_x(x);
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break;
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}
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case sample_y:
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{
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uint y = value.toUInt(&isOk);
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if (isOk)
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data.set_y(y);
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break;
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}
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case sample_is_override_checksum:
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{
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bool ovr = value.toBool();
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data.set_is_override_checksum(ovr);
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isOk = true;
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break;
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}
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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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_exit:
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return isOk;
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}
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/*!
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TODO: Return the protocol frame size in bytes\n
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If your protocol has a fixed size - you don't need to reimplement this; the
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base class implementation is good enough
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*/
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int SampleProtocol::protocolFrameSize(int streamIndex) const
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{
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return AbstractProtocol::protocolFrameSize(streamIndex);
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}
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/*!
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TODO: If your protocol has any variable fields, return true \n
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Otherwise you don't need to reimplement this method - the base class always
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returns false
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*/
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bool SampleProtocol::isProtocolFrameValueVariable() const
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{
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return false;
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}
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/*!
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TODO: If your protocol frame size can vary across pkts of the same stream,
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return true \n
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Otherwise you don't need to reimplement this method - the base class always
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returns false
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*/
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bool SampleProtocol::isProtocolFrameSizeVariable() const
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{
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return false;
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}
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/*!
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TODO: If your protocol frame has any variable fields or has a variable
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size, return the minimum number of frames required to vary the fields \n
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Otherwise you don't need to reimplement this method - the base class always
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returns 1
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*/
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int SampleProtocol::protocolFrameVariableCount() const
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{
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return 1;
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}
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QWidget* SampleProtocol::configWidget()
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{
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/* Lazy creation of the configWidget */
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if (configForm == NULL)
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{
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configForm = new SampleConfigForm;
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loadConfigWidget();
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}
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return configForm;
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}
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/*!
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TODO: Edit this function to load each field's data into the config Widget
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See AbstractProtocol::loadConfigWidget() for more info
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*/
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void SampleProtocol::loadConfigWidget()
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{
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configWidget();
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configForm->sampleA->setText(fieldData(sample_a, FieldValue).toString());
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configForm->sampleB->setText(fieldData(sample_b, FieldValue).toString());
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configForm->samplePayloadLength->setText(
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fieldData(sample_payloadLength, FieldValue).toString());
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configForm->isChecksumOverride->setChecked(
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fieldData(sample_is_override_checksum, FieldValue).toBool());
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configForm->sampleChecksum->setText(uintToHexStr(
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fieldData(sample_checksum, FieldValue).toUInt(), 2));
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configForm->sampleX->setText(fieldData(sample_x, FieldValue).toString());
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configForm->sampleY->setText(fieldData(sample_y, FieldValue).toString());
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}
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/*!
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TODO: Edit this function to store each field's data from the config Widget
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See AbstractProtocol::storeConfigWidget() for more info
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*/
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void SampleProtocol::storeConfigWidget()
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{
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bool isOk;
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configWidget();
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setFieldData(sample_a, configForm->sampleA->text());
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setFieldData(sample_b, configForm->sampleB->text());
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setFieldData(sample_payloadLength, configForm->samplePayloadLength->text());
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setFieldData(sample_is_override_checksum,
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configForm->isChecksumOverride->isChecked());
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setFieldData(sample_checksum, configForm->sampleChecksum->text().toUInt(&isOk, BASE_HEX));
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setFieldData(sample_x, configForm->sampleX->text());
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setFieldData(sample_y, configForm->sampleY->text());
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}
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