371 lines
11 KiB
C++
371 lines
11 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 "igmp.h"
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#include <QHostAddress>
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#include <qendian.h>
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IgmpConfigForm::IgmpConfigForm(QWidget *parent)
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: GmpConfigForm(parent)
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{
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}
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IgmpProtocol::IgmpProtocol(StreamBase *stream, AbstractProtocol *parent)
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: GmpProtocol(stream, parent)
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{
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data.set_type(kIgmpV2Query);
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}
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IgmpProtocol::~IgmpProtocol()
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{
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}
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AbstractProtocol* IgmpProtocol::createInstance(StreamBase *stream,
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AbstractProtocol *parent)
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{
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return new IgmpProtocol(stream, parent);
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}
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quint32 IgmpProtocol::protocolNumber() const
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{
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return OstProto::Protocol::kIgmpFieldNumber;
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}
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void IgmpProtocol::protoDataCopyInto(OstProto::Protocol &protocol) const
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{
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protocol.MutableExtension(OstProto::igmp)->CopyFrom(data);
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protocol.mutable_protocol_id()->set_id(protocolNumber());
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}
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void IgmpProtocol::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::igmp))
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data.MergeFrom(protocol.GetExtension(OstProto::igmp));
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}
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QString IgmpProtocol::name() const
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{
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return QString("Internet Group Management Protocol");
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}
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QString IgmpProtocol::shortName() const
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{
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return QString("IGMP");
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}
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quint32 IgmpProtocol::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 0x2;
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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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QVariant IgmpProtocol::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 kRsvdMrtCode:
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{
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quint8 mrt = 0, mrc;
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if (msgType() == kIgmpV3Query)
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{
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mrt = data.max_response_time();
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mrc = mrt; // TODO: MR Code
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}
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else if (msgType() == kIgmpV2Query)
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mrc = mrt = data.max_response_time() & 0xFF;
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switch(attrib)
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{
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case FieldName:
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if (isQuery())
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return QString("Max Response Time");
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else
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return QString("Reserved");
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case FieldValue:
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return mrt;
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case FieldTextValue:
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return QString("%1 ms").arg(mrt);
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case FieldFrameValue:
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return QByteArray(1, mrc);
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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 kGroupAddress:
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{
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quint32 grpIp = data.group_address().v4(); // FIXME
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#if 0 // TODO
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getip(
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data.group_address().v4(),
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data.group_mode(),
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data.group_count(),
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data.group_prefix());
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#endif
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switch(attrib)
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{
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case FieldName:
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return QString("Group Address");
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case FieldValue:
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case FieldTextValue:
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return QHostAddress(grpIp).toString();
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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(grpIp, (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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{
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switch(attrib)
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{
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case FieldName:
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return QString("Source List");
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case FieldValue:
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return QVariant(); // FIXME
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case FieldFrameValue:
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{
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QByteArray fv;
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fv.resize(4 * data.sources_size());
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for (int i = 0; i < data.sources_size(); i++)
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qToBigEndian(data.sources(i), (uchar*) (fv.data()+4*i));
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return fv;
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}
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case FieldTextValue:
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{
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QStringList list;
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for (int i = 0; i < data.sources_size(); i++)
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list.append(QHostAddress(data.sources(i).v4()).toString());
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return list.join(", ");
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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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return QVariant(); // FIXME
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case FieldFrameValue:
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{
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QByteArray 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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rv.resize(4 + 4 + 4*data.group_records(i).sources_size()
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+ data.group_records(i).aux_data().size());
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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();
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if (rec.is_override_source_count())
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qToBigEndian(rec.source_count(),(uchar*)(rv.data()+2));
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else
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qToBigEndian(rec.sources_size(),(uchar*)(rv.data()+2));
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qToBigEndian(rec.group_address().v4(),
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(uchar*)(fv.data()+4));
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for (int j = 0; j < rec.sources_size(); j++)
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qToBigEndian(rec.sources(j),(uchar*)(rv.data()+8+4*j));
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rv.append(QString().fromStdString(rec.aux_data()).toUtf8());
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fv.append(rv);
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}
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return fv;
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}
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case FieldTextValue:
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{
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QStringList list;
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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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QString str;
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str.append("Type: ");
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switch(rec.type())
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{
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case OstProto::Gmp::GroupRecord::kIsInclude:
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str.append("IS_INCLUDE"); break;
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case OstProto::Gmp::GroupRecord::kIsExclude:
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str.append("IS_EXCLUDE"); break;
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case OstProto::Gmp::GroupRecord::kToInclude:
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str.append("TO_INCLUDE"); break;
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case OstProto::Gmp::GroupRecord::kToExclude:
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str.append("TO_EXCLUDE"); break;
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case OstProto::Gmp::GroupRecord::kAllowNew:
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str.append("ALLOW_NEW"); break;
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case OstProto::Gmp::GroupRecord::kBlockOld:
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str.append("BLOCK_OLD"); break;
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default:
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str.append("UNKNOWN"); break;
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}
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str.append(QString("; AuxLen: %1").arg(
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rec.is_override_aux_data_length() ?
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rec.aux_data_length() : rec.aux_data().size()));
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str.append(QString("; Source Count: %1").arg(
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rec.is_override_source_count() ?
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rec.source_count(): rec.sources_size()));
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str.append(QString("; Group: %1").arg(
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QHostAddress(rec.group_address().v4()).toString()));
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str.append("; Sources: ");
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QStringList l;
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for (int j = 0; j < rec.sources_size(); j++)
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l.append(QHostAddress(rec.sources(j).v4()).toString());
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str.append(l.join(", "));
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str.append(QString().fromStdString(rec.aux_data()));
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list.append(str);
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}
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return list.join("\n");
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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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default:
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break;
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}
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return GmpProtocol::fieldData(index, attrib, streamIndex);
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}
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bool IgmpProtocol::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 kGroupAddress:
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{
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QHostAddress addr(value.toString());
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quint32 ip = addr.toIPv4Address();
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isOk = (addr.protocol() == QAbstractSocket::IPv4Protocol);
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if (isOk)
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data.mutable_group_address()->set_v4(ip);
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break;
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}
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case kSources:
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//TODO
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break;
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case kGroupRecords:
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//TODO
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break;
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default:
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isOk = GmpProtocol::setFieldData(index, value, attrib);
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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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void IgmpProtocol::loadConfigWidget()
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{
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GmpProtocol::loadConfigWidget();
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configForm->maxResponseTime->setText(
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fieldData(kRsvdMrtCode, FieldValue).toString());
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#if 0
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configForm->igmpA->setText(fieldData(igmp_a, FieldValue).toString());
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configForm->igmpB->setText(fieldData(igmp_b, FieldValue).toString());
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configForm->igmpPayloadLength->setText(
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fieldData(igmp_payloadLength, FieldValue).toString());
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configForm->isChecksumOverride->setChecked(
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fieldData(igmp_is_override_checksum, FieldValue).toBool());
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configForm->igmpChecksum->setText(uintToHexStr(
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fieldData(igmp_checksum, FieldValue).toUInt(), 2));
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configForm->igmpX->setText(fieldData(igmp_x, FieldValue).toString());
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configForm->igmpY->setText(fieldData(igmp_y, FieldValue).toString());
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#endif
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}
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void IgmpProtocol::storeConfigWidget()
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{
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bool isOk;
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GmpProtocol::storeConfigWidget();
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#if 0
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setFieldData(igmp_a, configForm->igmpA->text());
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setFieldData(igmp_b, configForm->igmpB->text());
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setFieldData(igmp_payloadLength, configForm->igmpPayloadLength->text());
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setFieldData(igmp_is_override_checksum,
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configForm->isChecksumOverride->isChecked());
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setFieldData(igmp_checksum, configForm->igmpChecksum->text().toUInt(&isOk, BASE_HEX));
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setFieldData(igmp_x, configForm->igmpX->text());
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setFieldData(igmp_y, configForm->igmpY->text());
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#endif
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}
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quint16 IgmpProtocol::checksum(int streamIndex) const
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{
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quint16 cks;
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quint32 sum = 0;
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#if 0 // FIXME
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// TODO: add as a new CksumType (CksumIgmp?) and implement in AbsProto
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cks = protocolFrameCksum(streamIndex, CksumIp);
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sum += (quint16) ~cks;
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cks = protocolFramePayloadCksum(streamIndex, CksumIp);
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sum += (quint16) ~cks;
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while (sum >> 16)
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sum = (sum & 0xFFFF) + (sum >> 16);
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cks = (~sum) & 0xFFFF;
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#endif
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return cks;
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}
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