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			601 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			601 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel                                                   //
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// Copyright (C) 2015-2020 Edouard Griffiths, F4EXB <f4exb06@gmail.com>          //
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// Copyright (C) 2022-2023 Jon Beniston, M7RCE <jon@beniston.com>                //
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//                                                                               //
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// This program 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 as version 3 of the License, or                  //
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// (at your option) any later version.                                           //
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//                                                                               //
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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 V3 for more details.                               //
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//                                                                               //
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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 <QFileInfo>
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#include <QResource>
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#if (QT_VERSION < QT_VERSION_CHECK(6, 6, 0))
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#include <QtGui/private/qzipreader_p.h>
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#else
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#include <QtCore/private/qzipreader_p.h>
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#endif
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#include "util/osndb.h"
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QHash<QString, QIcon *> AircraftInformation::m_airlineIcons;
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QHash<QString, bool> AircraftInformation::m_airlineMissingIcons;
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QHash<QString, QIcon *> AircraftInformation::m_flagIcons;
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QHash<QString, QString> *AircraftInformation::m_prefixMap;
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QHash<QString, QString> *AircraftInformation::m_militaryMap;
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QMutex AircraftInformation::m_mutex;
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QSharedPointer<const QHash<int, AircraftInformation *>> OsnDB::m_aircraftInformation;
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QSharedPointer<const QHash<QString, AircraftInformation *>> OsnDB::m_aircraftInformationByReg;
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QDateTime OsnDB::m_modifiedDateTime;
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OsnDB::OsnDB(QObject *parent) :
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    QObject(parent)
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{
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    connect(&m_dlm, &HttpDownloadManager::downloadComplete, this, &OsnDB::downloadFinished);
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}
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OsnDB::~OsnDB()
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{
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    disconnect(&m_dlm, &HttpDownloadManager::downloadComplete, this, &OsnDB::downloadFinished);
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}
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void OsnDB::downloadAircraftInformation()
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{
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    QString filename = OsnDB::getOSNDBZipFilename();
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    QString urlString = OSNDB_URL;
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    QUrl dbURL(urlString);
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    qDebug() << "OsnDB::downloadAircraftInformation: Downloading " << urlString;
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    emit downloadingURL(urlString);
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    QNetworkReply *reply = m_dlm.download(dbURL, filename);
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    connect(reply, &QNetworkReply::downloadProgress, this, [this](qint64 bytesRead, qint64 totalBytes) {
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        emit downloadProgress(bytesRead, totalBytes);
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    });
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}
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void OsnDB::downloadFinished(const QString& filename, bool success)
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{
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    if (!success)
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    {
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        qWarning() << "OsnDB::downloadFinished: Failed to download: " << filename;
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        emit downloadError(QString("Failed to download: %1").arg(filename));
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    }
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    else if (filename == OsnDB::getOSNDBZipFilename())
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    {
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        // Extract .csv file from .zip file
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        QZipReader reader(filename);
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        QByteArray database = reader.fileData("media/data/samples/metadata/aircraftDatabase.csv");
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        if (database.size() > 0)
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        {
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            QFile file(OsnDB::getOSNDBFilename());
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            if (file.open(QIODevice::WriteOnly))
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            {
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                file.write(database);
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                file.close();
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                emit downloadAircraftInformationFinished();
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            }
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            else
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            {
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                qWarning() << "OsnDB::downloadFinished - Failed to open " << file.fileName() << " for writing";
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                emit downloadError(QString("Failed to open %1 for writing").arg(file.fileName()));
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            }
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        }
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        else
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        {
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            qWarning() << "OsnDB::downloadFinished - aircraftDatabase.csv not in expected dir. Extracting all.";
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            if (reader.extractAll(getDataDir()))
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            {
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                emit downloadAircraftInformationFinished();
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            }
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            else
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            {
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                qWarning() << "OsnDB::downloadFinished - Failed to extract files from " << filename;
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                emit downloadError(QString("Failed to extract files from ").arg(filename));
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            }
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        }
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    }
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    else
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    {
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        qDebug() << "OsnDB::downloadFinished: Unexpected filename: " << filename;
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        emit downloadError(QString("Unexpected filename: %1").arg(filename));
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    }
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}
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QSharedPointer<const QHash<int, AircraftInformation *>> OsnDB::getAircraftInformation()
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{
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    QFileInfo fastFileInfo(getFastDBFilename());
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    QFileInfo fullFileInfo(getOSNDBFilename());
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    QDateTime fastModifiedDateTime = fastFileInfo.lastModified();
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    QDateTime fullModifiedDateTime = fullFileInfo.lastModified();
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    // Update fast database, if full database is newer
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    if (fullModifiedDateTime > fastModifiedDateTime)
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    {
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        qDebug() << "AircraftInformation::getAircraftInformation: Creating fast database";
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        m_aircraftInformation = QSharedPointer<const QHash<int, AircraftInformation *>>(OsnDB::readOSNDB(getOSNDBFilename()));
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        if (m_aircraftInformation)
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        {
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            OsnDB::writeFastDB(OsnDB::getFastDBFilename(), m_aircraftInformation.get());
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            fastModifiedDateTime = fastFileInfo.lastModified();
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            m_modifiedDateTime = fastModifiedDateTime;
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            m_aircraftInformationByReg = QSharedPointer<const QHash<QString, AircraftInformation *>> (OsnDB::registrationHash(m_aircraftInformation.get()));
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        }
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    }
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    if (!m_aircraftInformation || (fastModifiedDateTime > m_modifiedDateTime))
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    {
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        m_aircraftInformation = QSharedPointer<const QHash<int, AircraftInformation *>>(OsnDB::readFastDB(getFastDBFilename()));
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        if (m_aircraftInformation)
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        {
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            m_modifiedDateTime = fastModifiedDateTime;
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            m_aircraftInformationByReg = QSharedPointer<const QHash<QString, AircraftInformation *>> (OsnDB::registrationHash(m_aircraftInformation.get()));
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        }
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    }
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    return m_aircraftInformation;
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}
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QSharedPointer<const QHash<QString, AircraftInformation *>> OsnDB::getAircraftInformationByReg()
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{
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    getAircraftInformation();
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    return m_aircraftInformationByReg;
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}
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QHash<int, AircraftInformation *> *OsnDB::readOSNDB(const QString &filename)
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{
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    int cnt = 0;
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    QHash<int, AircraftInformation *> *aircraftInfo = nullptr;
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    // Column numbers used for the data as of 2020/10/28
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    int icaoCol = 0;
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    int registrationCol = 1;
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    int manufacturerNameCol = 3;
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    int modelCol = 4;
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    int ownerCol = 13;
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    int operatorCol = 9;
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    int operatorICAOCol = 11;
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    int registeredCol = 15;
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    qDebug() << "AircraftInformation::readOSNDB: " << filename;
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    FILE *file;
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    QByteArray utfFilename = filename.toUtf8();
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    if ((file = fopen(utfFilename.constData(), "r")) != NULL)
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    {
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        char row[2048];
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        if (fgets(row, sizeof(row), file))
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        {
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            aircraftInfo = new QHash<int, AircraftInformation *>();
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            aircraftInfo->reserve(500000);
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            // Read header
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            int idx = 0;
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            char *p = strtok(row, ",");
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            while (p != NULL)
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            {
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                if (!strcmp(p, "icao24"))
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                    icaoCol = idx;
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                else if (!strcmp(p, "registration"))
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                    registrationCol = idx;
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                else if (!strcmp(p, "manufacturername"))
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                    manufacturerNameCol = idx;
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                else if (!strcmp(p, "model"))
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                    modelCol = idx;
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                else if (!strcmp(p, "owner"))
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                    ownerCol = idx;
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                else if (!strcmp(p, "operator"))
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                    operatorCol = idx;
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                else if (!strcmp(p, "operatoricao"))
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                    operatorICAOCol = idx;
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                else if (!strcmp(p, "registered"))
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                    registeredCol = idx;
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                p = strtok(NULL, ",");
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                idx++;
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            }
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            // Read data
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            while (fgets(row, sizeof(row), file))
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            {
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                int icao = 0;
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                char *icaoString = NULL;
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                char *registration = NULL;
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                size_t registrationLen = 0;
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                char *manufacturerName = NULL;
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                size_t manufacturerNameLen = 0;
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                char *model = NULL;
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                size_t modelLen = 0;
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                char *owner = NULL;
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                size_t ownerLen = 0;
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                char *operatorName = NULL;
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                size_t operatorNameLen = 0;
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                char *operatorICAO = NULL;
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                size_t operatorICAOLen = 0;
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                char *registered = NULL;
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                size_t registeredLen = 0;
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                p = strtok(row, ",");
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                idx = 0;
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                while (p != NULL)
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                {
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                    // Read strings, stripping quotes
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                    if (idx == icaoCol)
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                    {
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                        icaoString = p+1;
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                        icaoString[strlen(icaoString)-1] = '\0';
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                        icao = strtol(icaoString, NULL, 16);
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                        // Ignore entries with uppercase - might be better to try and merge?
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                        // See: https://opensky-network.org/forum/bug-reports/652-are-the-aircraft-database-dumps-working
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                        for (int i = 0; icaoString[i] != '\0'; i++)
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                        {
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                            char c = icaoString[i];
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                            if ((c >= 'A') && (c <= 'F'))
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                            {
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                                icao = 0;
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                                break;
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                            }
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                        }
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                    }
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                    else if (idx == registrationCol)
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                    {
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                        registration = p+1;
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                        registrationLen = strlen(registration)-1;
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                        registration[registrationLen] = '\0';
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                    }
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                    else if (idx == manufacturerNameCol)
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                    {
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                        manufacturerName = p+1;
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                        manufacturerNameLen = strlen(manufacturerName)-1;
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                        manufacturerName[manufacturerNameLen] = '\0';
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                    }
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                    else if (idx == modelCol)
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                    {
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                        model = p+1;
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                        modelLen = strlen(model)-1;
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                        model[modelLen] = '\0';
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                    }
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                    else if (idx == ownerCol)
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                    {
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                        owner = p+1;
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                        ownerLen = strlen(owner)-1;
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                        owner[ownerLen] = '\0';
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                    }
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                    else if (idx == operatorCol)
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                    {
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                        operatorName = p+1;
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                        operatorNameLen = strlen(operatorName)-1;
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                        operatorName[operatorNameLen] = '\0';
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                    }
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                    else if (idx == operatorICAOCol)
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                    {
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                        operatorICAO = p+1;
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                        operatorICAOLen = strlen(operatorICAO)-1;
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                        operatorICAO[operatorICAOLen] = '\0';
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                    }
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                    else if (idx == registeredCol)
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                    {
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                        registered = p+1;
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                        registeredLen = strlen(registered)-1;
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                        registered[registeredLen] = '\0';
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                    }
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                    p = strtok(NULL, ",");
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                    idx++;
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                }
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                // Only create the entry if we have some interesting data
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                if ((icao != 0) && (registrationLen > 0 || modelLen > 0 || ownerLen > 0 || operatorNameLen > 0 || operatorICAOLen > 0))
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                {
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                    QString modelQ = QString(model);
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                    // Tidy up the model names
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                    if (modelQ.endsWith(" (Boeing)"))
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                        modelQ = modelQ.left(modelQ.size() - 9);
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                    else if (modelQ.startsWith("BOEING "))
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                        modelQ = modelQ.right(modelQ.size() - 7);
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                    else if (modelQ.startsWith("Boeing "))
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                        modelQ = modelQ.right(modelQ.size() - 7);
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                    else if (modelQ.startsWith("AIRBUS "))
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                        modelQ = modelQ.right(modelQ.size() - 7);
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                    else if (modelQ.startsWith("Airbus "))
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                        modelQ = modelQ.right(modelQ.size() - 7);
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                    else if (modelQ.endsWith(" (Cessna)"))
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                        modelQ = modelQ.left(modelQ.size() - 9);
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                    AircraftInformation *aircraft = new AircraftInformation();
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                    aircraft->m_icao = icao;
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                    aircraft->m_registration = QString(registration);
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                    aircraft->m_manufacturerName = QString(manufacturerName);
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                    aircraft->m_model = modelQ;
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                    aircraft->m_owner = QString(owner);
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                    aircraft->m_operator = QString(operatorName);
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                    aircraft->m_operatorICAO = QString(operatorICAO);
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                    aircraft->m_registered = QString(registered);
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                    aircraftInfo->insert(icao, aircraft);
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                    cnt++;
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                }
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            }
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        }
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        fclose(file);
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    }
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    else
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        qDebug() << "AircraftInformation::readOSNDB: Failed to open " << filename;
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    qDebug() << "AircraftInformation::readOSNDB: Read " << cnt << " aircraft";
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    return aircraftInfo;
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}
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QHash<QString, AircraftInformation *> *OsnDB::registrationHash(const QHash<int, AircraftInformation *> *in)
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{
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    QHash<QString, AircraftInformation *> *out = new QHash<QString, AircraftInformation *>();
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    QHashIterator<int, AircraftInformation *> i(*in);
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    while (i.hasNext())
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    {
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        i.next();
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        AircraftInformation *info = i.value();
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        out->insert(info->m_registration, info);
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    }
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    return out;
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}
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bool OsnDB::writeFastDB(const QString &filename, const QHash<int, AircraftInformation *> *aircraftInfo)
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{
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    QFile file(filename);
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    if (file.open(QIODevice::WriteOnly))
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    {
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        file.write("icao24,registration,manufacturername,model,owner,operator,operatoricao,registered\n");
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        QHash<int, AircraftInformation *>::const_iterator i = aircraftInfo->begin();
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        while (i != aircraftInfo->end())
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        {
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            AircraftInformation *info = i.value();
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            file.write(QString("%1").arg(info->m_icao, 1, 16).toUtf8());
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            file.write(",");
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            file.write(info->m_registration.toUtf8());
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            file.write(",");
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            file.write(info->m_manufacturerName.toUtf8());
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            file.write(",");
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            file.write(info->m_model.toUtf8());
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            file.write(",");
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            file.write(info->m_owner.toUtf8());
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            file.write(",");
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            file.write(info->m_operator.toUtf8());
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            file.write(",");
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            file.write(info->m_operatorICAO.toUtf8());
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            file.write(",");
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            file.write(info->m_registered.toUtf8());
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            file.write("\n");
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            ++i;
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        }
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        file.close();
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        return true;
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    }
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    else
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    {
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        qCritical() << "AircraftInformation::writeFastDB failed to open " << filename << " for writing: " << file.errorString();
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        return false;
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    }
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}
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QHash<int, AircraftInformation *> *OsnDB::readFastDB(const QString &filename)
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{
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    int cnt = 0;
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    QHash<int, AircraftInformation *> *aircraftInfo = nullptr;
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    qDebug() << "AircraftInformation::readFastDB: " << filename;
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    FILE *file;
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    QByteArray utfFilename = filename.toUtf8();
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    if ((file = fopen(utfFilename.constData(), "r")) != NULL)
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    {
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        char row[2048];
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						|
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						|
        if (fgets(row, sizeof(row), file))
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						|
        {
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            // Check header
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						|
            if (!strcmp(row, "icao24,registration,manufacturername,model,owner,operator,operatoricao,registered\n"))
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            {
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                aircraftInfo = new QHash<int, AircraftInformation *>();
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						|
                aircraftInfo->reserve(500000);
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						|
                // Read data
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						|
                while (fgets(row, sizeof(row), file))
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                {
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                    char *p = row;
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                    AircraftInformation *aircraft = new AircraftInformation();
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                    char *icaoString = csvNext(&p);
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                    int icao = strtol(icaoString, NULL, 16);
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                    aircraft->m_icao = icao;
 | 
						|
                    aircraft->m_registration = QString(csvNext(&p));
 | 
						|
                    aircraft->m_manufacturerName = QString(csvNext(&p));
 | 
						|
                    aircraft->m_model = QString(csvNext(&p));
 | 
						|
                    aircraft->m_owner = QString(csvNext(&p));
 | 
						|
                    aircraft->m_operator = QString(csvNext(&p));
 | 
						|
                    aircraft->m_operatorICAO = QString(csvNext(&p));
 | 
						|
                    aircraft->m_registered = QString(csvNext(&p));
 | 
						|
                    aircraftInfo->insert(icao, aircraft);
 | 
						|
                    cnt++;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            else
 | 
						|
                qDebug() << "AircraftInformation::readFastDB: Unexpected header";
 | 
						|
        }
 | 
						|
        else
 | 
						|
            qDebug() << "AircraftInformation::readFastDB: Empty file";
 | 
						|
        fclose(file);
 | 
						|
    }
 | 
						|
    else
 | 
						|
        qDebug() << "AircraftInformation::readFastDB: Failed to open " << filename;
 | 
						|
 | 
						|
    qDebug() << "AircraftInformation::readFastDB - read " << cnt << " aircraft";
 | 
						|
 | 
						|
    return aircraftInfo;
 | 
						|
}
 | 
						|
 | 
						|
QString AircraftInformation::getFlag() const
 | 
						|
{
 | 
						|
    QString flag;
 | 
						|
    if (m_prefixMap)
 | 
						|
    {
 | 
						|
        int idx = m_registration.indexOf('-');
 | 
						|
        if (idx >= 0)
 | 
						|
        {
 | 
						|
            QString prefix;
 | 
						|
 | 
						|
            // Some countries use AA-A - try these first as first letters are common
 | 
						|
            prefix = m_registration.left(idx + 2);
 | 
						|
            if (m_prefixMap->contains(prefix))
 | 
						|
            {
 | 
						|
                flag = m_prefixMap->value(prefix);
 | 
						|
            }
 | 
						|
            else
 | 
						|
            {
 | 
						|
                // Try letters before '-'
 | 
						|
                prefix = m_registration.left(idx);
 | 
						|
                // Both China and Taiwan use B prefix. China regs are <= 4 digits, with Taiwan 5
 | 
						|
                if (prefix == "B")
 | 
						|
                {
 | 
						|
                    if (m_registration.size() >= 7) {
 | 
						|
                        flag = "taiwan";
 | 
						|
                    } else {
 | 
						|
                        flag = "china";
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                else
 | 
						|
                {
 | 
						|
                    if (m_prefixMap->contains(prefix)) {
 | 
						|
                        flag = m_prefixMap->value(prefix);
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
        else
 | 
						|
        {
 | 
						|
            // No '-' Could be one of a few countries or military.
 | 
						|
            // See: https://en.wikipedia.org/wiki/List_of_aircraft_registration_prefixes
 | 
						|
            if (m_registration.startsWith("N")) {
 | 
						|
                flag = m_prefixMap->value("N"); // US
 | 
						|
            } else if (m_registration.startsWith("JA")) {
 | 
						|
                flag = m_prefixMap->value("JA"); // Japan
 | 
						|
            } else if (m_registration.startsWith("HL")) {
 | 
						|
                flag = m_prefixMap->value("HL"); // Korea
 | 
						|
            } else if (m_registration.startsWith("YV")) {
 | 
						|
                flag = m_prefixMap->value("YV"); // Venezuela
 | 
						|
            } else if ((m_militaryMap != nullptr) && (m_militaryMap->contains(m_operator))) {
 | 
						|
                flag = m_militaryMap->value(m_operator);
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
    return flag;
 | 
						|
}
 | 
						|
 | 
						|
QString AircraftInformation::getAirlineIconPath(const QString &operatorICAO)
 | 
						|
{
 | 
						|
    QString endPath = QString("/airlinelogos/%1.bmp").arg(operatorICAO);
 | 
						|
    // Try in user directory first, so they can customise
 | 
						|
    QString userIconPath = OsnDB::getDataDir() + endPath;
 | 
						|
    QFile file(userIconPath);
 | 
						|
    if (file.exists())
 | 
						|
    {
 | 
						|
        return userIconPath;
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        // Try in resources
 | 
						|
        QString resourceIconPath = ":" + endPath;
 | 
						|
        QResource resource(resourceIconPath);
 | 
						|
        if (resource.isValid())
 | 
						|
        {
 | 
						|
            return resourceIconPath;
 | 
						|
        }
 | 
						|
    }
 | 
						|
    return QString();
 | 
						|
}
 | 
						|
 | 
						|
QIcon *AircraftInformation::getAirlineIcon(const QString &operatorICAO)
 | 
						|
{
 | 
						|
    if (m_airlineIcons.contains(operatorICAO))
 | 
						|
    {
 | 
						|
        return m_airlineIcons.value(operatorICAO);
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        QIcon *icon = nullptr;
 | 
						|
        QString path = getAirlineIconPath(operatorICAO);
 | 
						|
        if (!path.isEmpty())
 | 
						|
        {
 | 
						|
            icon = new QIcon(path);
 | 
						|
            m_airlineIcons.insert(operatorICAO, icon);
 | 
						|
        }
 | 
						|
        else
 | 
						|
        {
 | 
						|
            if (!m_airlineMissingIcons.contains(operatorICAO))
 | 
						|
            {
 | 
						|
                qDebug() << "ADSBDemodGUI: No airline logo for " << operatorICAO;
 | 
						|
                m_airlineMissingIcons.insert(operatorICAO, true);
 | 
						|
            }
 | 
						|
        }
 | 
						|
        return icon;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
QString AircraftInformation::getFlagIconPath(const QString &country)
 | 
						|
{
 | 
						|
    QString endPath = QString("/flags/%1.bmp").arg(country);
 | 
						|
    // Try in user directory first, so they can customise
 | 
						|
    QString userIconPath = OsnDB::getDataDir() + endPath;
 | 
						|
    QFile file(userIconPath);
 | 
						|
    if (file.exists())
 | 
						|
    {
 | 
						|
        return userIconPath;
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        // Try in resources
 | 
						|
        QString resourceIconPath = ":" + endPath;
 | 
						|
        QResource resource(resourceIconPath);
 | 
						|
        if (resource.isValid())
 | 
						|
        {
 | 
						|
            return resourceIconPath;
 | 
						|
        }
 | 
						|
    }
 | 
						|
    return QString();
 | 
						|
}
 | 
						|
 | 
						|
QString AircraftInformation::getFlagIconURL(const QString &country)
 | 
						|
{
 | 
						|
    QString path = getFlagIconPath(country);
 | 
						|
    if (path.startsWith(':')) {
 | 
						|
        path = "qrc://" + path.mid(1);
 | 
						|
    }
 | 
						|
    return path;
 | 
						|
}
 | 
						|
 | 
						|
QIcon *AircraftInformation::getFlagIcon(const QString &country)
 | 
						|
{
 | 
						|
    if (m_flagIcons.contains(country))
 | 
						|
    {
 | 
						|
        return m_flagIcons.value(country);
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        QIcon *icon = nullptr;
 | 
						|
        QString path = getFlagIconPath(country);
 | 
						|
        if (!path.isEmpty())
 | 
						|
        {
 | 
						|
            icon = new QIcon(path);
 | 
						|
            m_flagIcons.insert(country, icon);
 | 
						|
        }
 | 
						|
        return icon;
 | 
						|
    }
 | 
						|
}
 | 
						|
 |