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/*
Copyright (C) 2011 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 "igmppdml.h"
#include "igmp.pb.h"
PdmlIgmpProtocol::PdmlIgmpProtocol()
{
ostProtoId_ = OstProto::Protocol::kIgmpFieldNumber;
fieldMap_.insert("igmp.max_resp",
OstProto::Gmp::kMaxResponseTimeFieldNumber); // FIXME
fieldMap_.insert("igmp.checksum", OstProto::Gmp::kChecksumFieldNumber);
fieldMap_.insert("igmp.s", OstProto::Gmp::kSFlagFieldNumber);
fieldMap_.insert("igmp.qrv", OstProto::Gmp::kQrvFieldNumber);
fieldMap_.insert("igmp.qqic", OstProto::Gmp::kQqiFieldNumber); // FIXME
fieldMap_.insert("igmp.num_grp_recs",
OstProto::Gmp::kGroupRecordCountFieldNumber);
}
PdmlProtocol* PdmlIgmpProtocol::createInstance()
{
return new PdmlIgmpProtocol();
}
void PdmlIgmpProtocol::preProtocolHandler(QString /*name*/,
const QXmlStreamAttributes& /*attributes*/, int /*expectedPos*/,
OstProto::Protocol *pbProto, OstProto::Stream* /*stream*/)
{
OstProto::Gmp *igmp = pbProto->MutableExtension(OstProto::igmp);
igmp->set_is_override_rsvd_code(true);
igmp->set_is_override_checksum(overrideCksum_);
igmp->set_is_override_source_count(true);
igmp->set_is_override_group_record_count(true);
version_ = 0;
}
void PdmlIgmpProtocol::unknownFieldHandler(QString name, int /*pos*/,
int /*size*/, const QXmlStreamAttributes &attributes,
OstProto::Protocol *pbProto, OstProto::Stream* /*stream*/)
{
bool isOk;
OstProto::Gmp *igmp = pbProto->MutableExtension(OstProto::igmp);
QString valueHexStr = attributes.value("value").toString();
if (name == "igmp.version")
{
version_ = attributes.value("show").toString().toUInt(&isOk);
}
else if (name == "igmp.type")
{
uint type = valueHexStr.toUInt(&isOk, kBaseHex);
if (type == kIgmpQuery)
{
switch(version_)
{
case 1: type = kIgmpV1Query; break;
case 2: type = kIgmpV2Query; break;
case 3: type = kIgmpV3Query; break;
}
}
igmp->set_type(type);
}
else if (name == "igmp.record_type")
{
OstProto::Gmp::GroupRecord *rec = igmp->add_group_records();
rec->set_type(OstProto::Gmp::GroupRecord::RecordType(
valueHexStr.toUInt(&isOk, kBaseHex)));
rec->set_is_override_source_count(true);
rec->set_is_override_aux_data_length(true);
}
else if (name == "igmp.aux_data_len")
{
igmp->mutable_group_records(igmp->group_records_size() - 1)->
set_aux_data_length(valueHexStr.toUInt(&isOk, kBaseHex));
}
else if (name == "igmp.num_src")
{
if (igmp->group_record_count())
igmp->mutable_group_records(igmp->group_records_size() - 1)->
set_source_count(valueHexStr.toUInt(&isOk, kBaseHex));
else
igmp->set_source_count(valueHexStr.toUInt(&isOk, kBaseHex));
}
else if (name == "igmp.maddr")
{
if (igmp->group_record_count())
igmp->mutable_group_records(igmp->group_records_size() - 1)->
mutable_group_address()->set_v4(
valueHexStr.toUInt(&isOk, kBaseHex));
else
igmp->mutable_group_address()->set_v4(
valueHexStr.toUInt(&isOk, kBaseHex));
}
else if (name == "igmp.saddr")
{
if (igmp->group_record_count())
igmp->mutable_group_records(igmp->group_records_size() - 1)->
add_sources()->set_v4(valueHexStr.toUInt(&isOk, kBaseHex));
else
igmp->add_sources()->set_v4(valueHexStr.toUInt(&isOk, kBaseHex));
}
else if (name == "igmp.aux_data")
{
QByteArray ba = QByteArray::fromHex(
attributes.value("value").toString().toUtf8());
igmp->mutable_group_records(igmp->group_records_size() - 1)->
set_aux_data(ba.constData(), ba.size());
}
}
void PdmlIgmpProtocol::postProtocolHandler(OstProto::Protocol* /*pbProto*/,
OstProto::Stream *stream)
{
// version is 0 for IGMP like protocols such as RGMP which we don't
// support currently
if (version_ == 0)
stream->mutable_protocol()->RemoveLast();
}
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