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319 lines
13 KiB
C
319 lines
13 KiB
C
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2020 Jon Beniston, M7RCE //
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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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#ifndef INCLUDE_OSNDB_H
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#define INCLUDE_OSNDB_H
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#include <QString>
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#include <QFile>
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#include <QByteArray>
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#include <QHash>
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#include <QList>
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#include <QDebug>
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#include <stdio.h>
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#include <string.h>
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#include "csv.h"
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#define OSNDB_URL "https://opensky-network.org/datasets/metadata/aircraftDatabase.csv"
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struct AircraftInformation {
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int m_icao;
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QString m_registration;
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QString m_manufacturerName;
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QString m_model;
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QString m_owner;
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QString m_operator;
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QString m_operatorICAO;
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QString m_registered;
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// Read OpenSky Network CSV file
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// This is large and contains lots of data we don't want, so we convert to
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// a smaller version to speed up loading time
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// Note that we use C file functions rather than QT, as these are ~30% faster
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// and the QT version seemed to occasionally crash
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static QHash<int, AircraftInformation *> *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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}
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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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// Write a reduced size and validated version of the DB, so it loads quicker
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static bool writeFastDB(const QString &filename, 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 *>::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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// Read smaller CSV file with no validation. Takes about 0.5s instead of 2s.
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static QHash<int, AircraftInformation *> *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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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;
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aircraft->m_registration = QString(csvNext(&p));
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aircraft->m_manufacturerName = QString(csvNext(&p));
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aircraft->m_model = QString(csvNext(&p));
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aircraft->m_owner = QString(csvNext(&p));
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aircraft->m_operator = QString(csvNext(&p));
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aircraft->m_operatorICAO = QString(csvNext(&p));
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aircraft->m_registered = QString(csvNext(&p));
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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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else
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qDebug() << "AircraftInformation::readFastDB: Unexpected header";
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}
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else
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qDebug() << "AircraftInformation::readFastDB: Empty file";
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fclose(file);
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}
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else
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qDebug() << "AircraftInformation::readFastDB: Failed to open " << filename;
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qDebug() << "AircraftInformation::readFastDB - read " << cnt << " aircraft";
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return aircraftInfo;
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}
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};
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#endif
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