153 lines
3.6 KiB
C++
153 lines
3.6 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 "pdmlfileformat.h"
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#include "ostprotolib.h"
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#include "pdml_p.h"
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#include <QProcess>
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#include <QTemporaryFile>
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PdmlFileFormat pdmlFileFormat;
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PdmlFileFormat::PdmlFileFormat()
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{
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}
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PdmlFileFormat::~PdmlFileFormat()
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{
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}
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bool PdmlFileFormat::openStreams(const QString fileName,
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OstProto::StreamConfigList &streams, QString &error)
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{
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bool isOk = false;
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QFile file(fileName);
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PdmlReader *reader = new PdmlReader(&streams);
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if (!file.open(QIODevice::ReadOnly))
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goto _open_fail;
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connect(reader, SIGNAL(progress(int)), this, SIGNAL(progress(int)));
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emit status("Reading PDML packets...");
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emit target(100); // in percentage
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// TODO: fill in error string
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isOk = reader->read(&file);
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goto _exit;
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_open_fail:
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isOk = false;
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_exit:
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delete reader;
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return isOk;
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}
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bool PdmlFileFormat::saveStreams(const OstProto::StreamConfigList streams,
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const QString fileName, QString &error)
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{
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bool isOk = false;
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QTemporaryFile pcapFile;
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AbstractFileFormat *fmt = AbstractFileFormat::fileFormatFromType("PCAP");
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QProcess tshark;
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Q_ASSERT(fmt);
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if (!pcapFile.open())
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{
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error.append("Unable to open temporary file to create PCAP\n");
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goto _fail;
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}
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qDebug("intermediate PCAP %s", pcapFile.fileName().toAscii().constData());
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connect(fmt, SIGNAL(target(int)), this, SIGNAL(target(int)));
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connect(fmt, SIGNAL(progress(int)), this, SIGNAL(progress(int)));
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emit status("Writing intermediate PCAP file...");
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isOk = fmt->saveStreams(streams, pcapFile.fileName(), error);
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qDebug("generating PDML %s", fileName.toAscii().constData());
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emit status("Converting PCAP to PDML...");
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emit target(0);
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tshark.setStandardOutputFile(fileName);
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tshark.start(OstProtoLib::tsharkPath(),
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QStringList()
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<< QString("-r%1").arg(pcapFile.fileName())
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<< "-Tpdml");
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if (!tshark.waitForStarted(-1))
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{
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error.append(QString("Unable to start tshark. Check path in preferences.\n"));
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goto _fail;
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}
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if (!tshark.waitForFinished(-1))
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{
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error.append(QString("Error running tshark\n"));
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goto _fail;
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}
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isOk = true;
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_fail:
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return isOk;
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}
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bool PdmlFileFormat::isMyFileFormat(const QString fileName)
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{
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bool ret = false;
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QFile file(fileName);
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QByteArray buf;
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QXmlStreamReader xml;
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if (!file.open(QIODevice::ReadOnly))
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goto _exit;
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xml.setDevice(&file);
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xml.readNext();
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if (xml.hasError() || !xml.isStartDocument())
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goto _close_exit;
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xml.readNext();
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if (!xml.hasError() && xml.isStartElement() && (xml.name() == "pdml"))
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ret = true;
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else
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ret = false;
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_close_exit:
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xml.clear();
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file.close();
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_exit:
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return ret;
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}
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bool PdmlFileFormat::isMyFileType(const QString fileType)
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{
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if (fileType.startsWith("PDML"))
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return true;
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else
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return false;
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}
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