Removed SAX based PDML parser
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Srivats P.
parent
69d488d8a2
commit
f0e2b1ca50
@ -103,255 +103,6 @@ void PdmlDefaultProtocol::unknownFieldHandler(QString name,
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}
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#if 0
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// ---------------------------------------------------------- //
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// PdmlParser
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// ---------------------------------------------------------- //
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PdmlParser::PdmlParser(OstProto::StreamConfigList *streams)
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{
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skipCount_ = 0;
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currentPdmlProtocol_ = NULL;
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streams_ = streams;
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protocolMap_.insert("unknown", new PdmlUnknownProtocol());
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protocolMap_.insert("geninfo", new PdmlGenInfoProtocol());
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protocolMap_.insert("frame", new PdmlFrameProtocol());
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#if 0
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protocolMap_.insert("fake-field-wrapper",
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new PdmlFakeFieldWrapperProtocol());
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#endif
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#if 0
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protocolMap_.insert("eth", new PdmlEthProtocol());
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protocolMap_.insert("ip", new PdmlIp4Protocol());
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protocolMap_.insert("ipv6", new PdmlIp6Protocol());
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protocolMap_.insert("tcp", new PdmlTcpProtocol());
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#endif
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}
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PdmlParser::~PdmlParser()
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{
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// TODO: free protocolMap_.values()
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}
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bool PdmlParser::startElement(const QString & /* namespaceURI */,
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const QString & /* localName */,
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const QString &qName,
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const QXmlAttributes &attributes)
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{
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qDebug("%s (%s)", __FUNCTION__, qName.toAscii().constData());
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if (skipCount_)
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{
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skipCount_++;
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goto _exit;
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}
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if (qName == "pdml")
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{
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packetCount_ = 0;
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}
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else if (qName == "packet")
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{
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// XXX: For now, each packet is converted to a stream
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currentStream_ = streams_->add_stream();
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currentStream_->mutable_stream_id()->set_id(packetCount_);
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currentStream_->mutable_core()->set_is_enabled(true);
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qDebug("packetCount_ = %d\n", packetCount_);
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}
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else if (qName == "proto")
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{
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QString protoName = attributes.value("name");
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if (protoName.isEmpty()
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|| (protoName == "expert"))
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{
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skipCount_++;
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goto _exit;
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}
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// HACK HACK HACK
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if (currentPdmlProtocol_ && (currentPdmlProtocol_->ostProtoId()
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== OstProto::Protocol::kHexDumpFieldNumber))
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currentPdmlProtocol_->postProtocolHandler(currentStream_);
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if (!protocolMap_.contains(protoName))
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protoName = "unknown"; // FIXME: change to Ost:Hexdump
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currentPdmlProtocol_ = protocolMap_.value(protoName);
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Q_ASSERT(currentPdmlProtocol_ != NULL);
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int protoId = currentPdmlProtocol_->ostProtoId();
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// PdmlDefaultProtocol =>
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if (protoId <= 0)
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goto _exit;
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OstProto::Protocol *proto = currentStream_->add_protocol();
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proto->mutable_protocol_id()->set_id(protoId);
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const google::protobuf::Reflection *msgRefl =
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proto->GetReflection();
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const google::protobuf::FieldDescriptor *fDesc =
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msgRefl->FindKnownExtensionByNumber(protoId);
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// TODO: if !fDesc
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// init default values of all fields in protocol
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currentProtocolMsg_ = msgRefl->MutableMessage(proto, fDesc);
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currentPdmlProtocol_->preProtocolHandler(protoName, attributes,
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currentStream_);
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}
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else if (qName == "field")
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{
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// fields with "hide='yes'" are informational and should be skipped
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if (attributes.value("hide") == "yes")
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{
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skipCount_++;
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goto _exit;
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}
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QString name = attributes.value("name");
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QString valueStr = attributes.value("value");
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int pos = -1;
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int size = -1;
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if (!attributes.value("pos").isEmpty())
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pos = attributes.value("pos").toInt();
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if (!attributes.value("size").isEmpty())
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size = attributes.value("size").toInt();
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qDebug("\tname:%s, pos:%d, size:%d value:%s",
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name.toAscii().constData(),
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pos,
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size,
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valueStr.toAscii().constData());
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if (!currentPdmlProtocol_->hasField(name))
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{
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currentPdmlProtocol_->unknownFieldHandler(name, pos, size,
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attributes, currentStream_);
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goto _exit;
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}
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// TODO
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int fId = currentPdmlProtocol_->fieldId(name);
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const google::protobuf::Descriptor *msgDesc =
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currentProtocolMsg_->GetDescriptor();
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const google::protobuf::FieldDescriptor *fDesc =
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msgDesc->FindFieldByNumber(fId);
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const google::protobuf::Reflection *msgRefl =
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currentProtocolMsg_->GetReflection();
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bool isOk;
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switch(fDesc->cpp_type())
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{
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case google::protobuf::FieldDescriptor::CPPTYPE_ENUM: // TODO
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case google::protobuf::FieldDescriptor::CPPTYPE_UINT32:
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msgRefl->SetUInt32(currentProtocolMsg_, fDesc,
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valueStr.toUInt(&isOk, kBaseHex));
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break;
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case google::protobuf::FieldDescriptor::CPPTYPE_UINT64:
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msgRefl->SetUInt64(currentProtocolMsg_, fDesc,
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valueStr.toULongLong(&isOk, kBaseHex));
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break;
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case google::protobuf::FieldDescriptor::CPPTYPE_STRING:
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{
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QByteArray hexVal = QByteArray::fromHex(valueStr.toUtf8());
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std::string str(hexVal.constData(), hexVal.size());
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msgRefl->SetString(currentProtocolMsg_, fDesc, str);
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break;
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}
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default:
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qDebug("%s: unhandled cpptype = %d", __FUNCTION__,
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fDesc->cpp_type());
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}
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}
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_exit:
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return true;
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}
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bool PdmlParser::characters(const QString &str)
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{
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//qDebug("%s (%s)", __FUNCTION__, str.toAscii().constData());
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//_currentText += str;
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return true;
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}
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bool PdmlParser::endElement(const QString & /* namespaceURI */,
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const QString & /* localName */,
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const QString &qName)
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{
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qDebug("%s (%s)", __FUNCTION__, qName.toAscii().constData());
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if (qName == "packet")
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{
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if (currentStream_->core().name().size())
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{
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OstProto::Protocol *proto = currentStream_->add_protocol();
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proto->mutable_protocol_id()->set_id(
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OstProto::Protocol::kHexDumpFieldNumber);
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OstProto::HexDump *hexDump = proto->MutableExtension(OstProto::hexDump);
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hexDump->set_content(currentStream_->core().name());
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hexDump->set_pad_until_end(false);
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currentStream_->mutable_core()->set_name("");
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}
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packetCount_++;
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currentPdmlProtocol_ = NULL;
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goto _exit;
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}
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if (skipCount_)
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{
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skipCount_--;
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goto _exit;
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}
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if (qName == "proto")
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{
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currentPdmlProtocol_->postProtocolHandler(currentStream_);
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//currentPdmlProtocol_ = NULL;
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}
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else if (qName == "field")
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{
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}
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_exit:
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return true;
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}
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bool PdmlParser::fatalError(const QXmlParseException &exception)
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{
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QString extra;
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qDebug("%s", __FUNCTION__);
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#if 0
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if (exception.message() == "tag mismatch" && lastElement == "fieldData")
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extra = "\nAre you using an old version of Wireshark? If so, try using a newer version. Alternatively, view the packet dump decode in Wireshark by clicking the \"External\" button.";
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#endif
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QMessageBox::warning(0, QObject::tr("PDML Parser"),
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QObject::tr("XML parse error for packet %1 "
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"at line %2, column %3:\n %4\n%5")
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.arg(packetCount_+1)
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.arg(exception.lineNumber())
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.arg(exception.columnNumber())
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.arg(exception.message())
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.arg(extra));
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return false;
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}
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#endif
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// ---------------------------------------------------------- //
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// PdmlReader //
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// ---------------------------------------------------------- //
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@ -60,37 +60,6 @@ protected:
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QMap<QString, int> fieldMap_;
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};
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#if 0
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class PdmlParser : public QXmlDefaultHandler
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{
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public:
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PdmlParser(OstProto::StreamConfigList *streams);
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~PdmlParser();
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bool startElement(const QString &namespaceURI,
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const QString &localName,
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const QString &qName,
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const QXmlAttributes &attributes);
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bool endElement(const QString &namespaceURI,
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const QString &localName,
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const QString &qName);
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bool characters(const QString &str);
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bool fatalError(const QXmlParseException &exception);
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private:
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void initProtocolMaps();
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QMap<QString, PdmlDefaultProtocol*> protocolMap_;
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PdmlDefaultProtocol *currentPdmlProtocol_;
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int skipCount_;
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int packetCount_;
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OstProto::StreamConfigList *streams_;
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OstProto::Stream *currentStream_;
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google::protobuf::Message *currentProtocolMsg_;
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};
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#endif
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class PdmlUnknownProtocol;
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class PcapFileFormat;
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class PdmlReader : public QXmlStreamReader
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