ostinato/common/igmp.cpp
2010-08-14 14:50:58 +05:30

422 lines
12 KiB
C++

/*
Copyright (C) 2010 Srivats P.
This file is part of "Ostinato"
This is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#include "igmp.h"
#include <QHostAddress>
#include <QItemDelegate>
#include <qendian.h>
class IpAddressDelegate : public QItemDelegate
{
public:
IpAddressDelegate(QObject *parent = 0)
: QItemDelegate(parent) { }
~IpAddressDelegate() {}
QWidget* createEditor(QWidget *parent,
const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QLineEdit *ipEdit;
ipEdit = static_cast<QLineEdit*>(QItemDelegate::createEditor(
parent, option, index));
ipEdit->setInputMask("009.009.009.009;"); // FIXME: use validator
return ipEdit;
}
};
IgmpConfigForm::IgmpConfigForm(QWidget *parent)
: GmpConfigForm(parent)
{
_defaultSourceIp = "0.0.0.0";
sourceList->setItemDelegate(new IpAddressDelegate(this));
groupRecordSourceList->setItemDelegate(new IpAddressDelegate(this));
}
IgmpProtocol::IgmpProtocol(StreamBase *stream, AbstractProtocol *parent)
: GmpProtocol(stream, parent)
{
data.set_type(kIgmpV2Query);
}
IgmpProtocol::~IgmpProtocol()
{
}
AbstractProtocol* IgmpProtocol::createInstance(StreamBase *stream,
AbstractProtocol *parent)
{
return new IgmpProtocol(stream, parent);
}
quint32 IgmpProtocol::protocolNumber() const
{
return OstProto::Protocol::kIgmpFieldNumber;
}
void IgmpProtocol::protoDataCopyInto(OstProto::Protocol &protocol) const
{
protocol.MutableExtension(OstProto::igmp)->CopyFrom(data);
protocol.mutable_protocol_id()->set_id(protocolNumber());
}
void IgmpProtocol::protoDataCopyFrom(const OstProto::Protocol &protocol)
{
if (protocol.protocol_id().id() == protocolNumber() &&
protocol.HasExtension(OstProto::igmp))
data.MergeFrom(protocol.GetExtension(OstProto::igmp));
}
QString IgmpProtocol::name() const
{
return QString("Internet Group Management Protocol");
}
QString IgmpProtocol::shortName() const
{
return QString("IGMP");
}
quint32 IgmpProtocol::protocolId(ProtocolIdType type) const
{
switch(type)
{
case ProtocolIdIp: return 0x2;
default:break;
}
return AbstractProtocol::protocolId(type);
}
QVariant IgmpProtocol::fieldData(int index, FieldAttrib attrib,
int streamIndex) const
{
switch (index)
{
case kRsvdMrtCode:
{
quint8 mrt = 0, mrc = 0;
if (msgType() == kIgmpV3Query)
{
mrt = data.max_response_time();
mrc = mrt; // TODO: MR Code
}
else if (msgType() == kIgmpV2Query)
mrc = mrt = data.max_response_time() & 0xFF;
switch(attrib)
{
case FieldName:
if (isQuery())
return QString("Max Response Time");
else
return QString("Reserved");
case FieldValue:
return mrt;
case FieldTextValue:
return QString("%1").arg(mrt);
case FieldFrameValue:
return QByteArray(1, mrc);
default:
break;
}
break;
}
case kGroupAddress:
{
quint32 grpIp = data.group_address().v4(); // FIXME
#if 0 // TODO
getip(
data.group_address().v4(),
data.group_mode(),
data.group_count(),
data.group_prefix());
#endif
switch(attrib)
{
case FieldName:
return QString("Group Address");
case FieldValue:
case FieldTextValue:
return QHostAddress(grpIp).toString();
case FieldFrameValue:
{
QByteArray fv;
fv.resize(4);
qToBigEndian(grpIp, (uchar*) fv.data());
return fv;
}
default:
break;
}
break;
}
case kSources:
{
switch(attrib)
{
case FieldName:
return QString("Source List");
case FieldValue:
{
QStringList list;
for (int i = 0; i < data.sources_size(); i++)
list.append(QHostAddress(data.sources(i).v4()).toString());
return list;
}
case FieldFrameValue:
{
QByteArray fv;
fv.resize(4 * data.sources_size());
for (int i = 0; i < data.sources_size(); i++)
qToBigEndian(data.sources(i).v4(), (uchar*)(fv.data()+4*i));
return fv;
}
case FieldTextValue:
{
QStringList list;
for (int i = 0; i < data.sources_size(); i++)
list.append(QHostAddress(data.sources(i).v4()).toString());
return list.join(", ");
}
default:
break;
}
break;
}
case kGroupRecords:
{
switch(attrib)
{
case FieldName:
return QString("Group List");
case FieldValue:
return QVariant(); // FIXME
case FieldFrameValue:
{
QByteArray fv;
for (int i = 0; i < data.group_records_size(); i++)
{
OstProto::Gmp::GroupRecord rec = data.group_records(i);
QByteArray rv;
rv.resize(4 + 4 + 4*data.group_records(i).sources_size()
+ data.group_records(i).aux_data().size());
rv[0] = rec.type();
rv[1] = rec.is_override_aux_data_length() ?
rec.aux_data_length() : rec.aux_data().size();
if (rec.is_override_source_count())
qToBigEndian(rec.source_count(),(uchar*)(rv.data()+2));
else
qToBigEndian(rec.sources_size(),(uchar*)(rv.data()+2));
qToBigEndian(rec.group_address().v4(),
(uchar*)(fv.data()+4));
for (int j = 0; j < rec.sources_size(); j++)
qToBigEndian(rec.sources(j),(uchar*)(rv.data()+8+4*j));
rv.append(QString().fromStdString(rec.aux_data()).toUtf8());
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()));
str.append(QString("; Source Count: %1").arg(
rec.is_override_source_count() ?
rec.source_count(): rec.sources_size()));
str.append(QString("; Group: %1").arg(
QHostAddress(rec.group_address().v4()).toString()));
str.append("; Sources: ");
QStringList l;
for (int j = 0; j < rec.sources_size(); j++)
l.append(QHostAddress(rec.sources(j).v4()).toString());
str.append(l.join(", "));
str.append(QString().fromStdString(rec.aux_data()));
list.append(str);
}
return list.join("\n");
}
default:
break;
}
break;
}
default:
break;
}
return GmpProtocol::fieldData(index, attrib, streamIndex);
}
bool IgmpProtocol::setFieldData(int index, const QVariant &value,
FieldAttrib attrib)
{
bool isOk = false;
if (attrib != FieldValue)
goto _exit;
switch (index)
{
case kGroupAddress:
{
QHostAddress addr(value.toString());
quint32 ip = addr.toIPv4Address();
isOk = (addr.protocol() == QAbstractSocket::IPv4Protocol);
if (isOk)
data.mutable_group_address()->set_v4(ip);
break;
}
case kSources:
{
QStringList list = value.toStringList();
data.clear_sources();
foreach(QString str, list)
{
quint32 ip = QHostAddress(str).toIPv4Address();
data.add_sources()->set_v4(ip);
}
break;
}
case kGroupRecords:
//TODO
break;
default:
isOk = GmpProtocol::setFieldData(index, value, attrib);
break;
}
_exit:
return isOk;
}
QWidget* IgmpProtocol::configWidget()
{
/* Lazy creation of the configWidget */
if (configForm == NULL)
{
configForm = new IgmpConfigForm;
loadConfigWidget();
}
return configForm;
}
void IgmpProtocol::loadConfigWidget()
{
GmpProtocol::loadConfigWidget();
configForm->maxResponseTime->setText(
fieldData(kRsvdMrtCode, FieldValue).toString());
#if 0
configForm->igmpA->setText(fieldData(igmp_a, FieldValue).toString());
configForm->igmpB->setText(fieldData(igmp_b, FieldValue).toString());
configForm->igmpPayloadLength->setText(
fieldData(igmp_payloadLength, FieldValue).toString());
configForm->isChecksumOverride->setChecked(
fieldData(igmp_is_override_checksum, FieldValue).toBool());
configForm->igmpChecksum->setText(uintToHexStr(
fieldData(igmp_checksum, FieldValue).toUInt(), 2));
configForm->igmpX->setText(fieldData(igmp_x, FieldValue).toString());
configForm->igmpY->setText(fieldData(igmp_y, FieldValue).toString());
#endif
}
void IgmpProtocol::storeConfigWidget()
{
bool isOk;
GmpProtocol::storeConfigWidget();
#if 0
setFieldData(igmp_a, configForm->igmpA->text());
setFieldData(igmp_b, configForm->igmpB->text());
setFieldData(igmp_payloadLength, configForm->igmpPayloadLength->text());
setFieldData(igmp_is_override_checksum,
configForm->isChecksumOverride->isChecked());
setFieldData(igmp_checksum, configForm->igmpChecksum->text().toUInt(&isOk, BASE_HEX));
setFieldData(igmp_x, configForm->igmpX->text());
setFieldData(igmp_y, configForm->igmpY->text());
#endif
}
quint16 IgmpProtocol::checksum(int streamIndex) const
{
quint16 cks;
quint32 sum = 0;
#if 0 // FIXME
// TODO: add as a new CksumType (CksumIgmp?) and implement in AbsProto
cks = protocolFrameCksum(streamIndex, CksumIp);
sum += (quint16) ~cks;
cks = protocolFramePayloadCksum(streamIndex, CksumIp);
sum += (quint16) ~cks;
while (sum >> 16)
sum = (sum & 0xFFFF) + (sum >> 16);
cks = (~sum) & 0xFFFF;
#endif
return cks;
}