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sdrangel/sdrbase/util/osndb.h

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2020 Jon Beniston, M7RCE //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_OSNDB_H
#define INCLUDE_OSNDB_H
#include <QString>
#include <QFile>
#include <QByteArray>
#include <QHash>
#include <QList>
#include <QDebug>
#include <QIcon>
#include <QMutex>
#include <QStandardPaths>
#include <QResource>
#include <stdio.h>
#include <string.h>
#include "util/csv.h"
#include "export.h"
#define OSNDB_URL "https://opensky-network.org/datasets/metadata/aircraftDatabase.zip"
struct SDRBASE_API AircraftInformation {
int m_icao;
QString m_registration;
QString m_manufacturerName;
QString m_model;
QString m_owner;
QString m_operator;
QString m_operatorICAO;
QString m_registered;
static QHash<QString, QIcon *> m_airlineIcons; // Hashed on airline ICAO
static QHash<QString, bool> m_airlineMissingIcons; // Hash containing which ICAOs we don't have icons for
static QHash<QString, QIcon *> m_flagIcons; // Hashed on country
static QHash<QString, QString> *m_prefixMap; // Registration to country (flag name)
static QHash<QString, QString> *m_militaryMap; // Operator airforce to military (flag name)
static QMutex m_mutex;
static void init()
{
QMutexLocker locker(&m_mutex);
// Read registration prefix to country map
m_prefixMap = CSV::hash(":/flags/regprefixmap.csv");
// Read operator air force to military map
m_militaryMap = CSV::hash(":/flags/militarymap.csv");
}
// Read OpenSky Network CSV file
// This is large and contains lots of data we don't want, so we convert to
// a smaller version to speed up loading time
// Note that we use C file functions rather than QT, as these are ~30% faster
// and the QT version seemed to occasionally crash
static QHash<int, AircraftInformation *> *readOSNDB(const QString &filename)
{
int cnt = 0;
QHash<int, AircraftInformation *> *aircraftInfo = nullptr;
// Column numbers used for the data as of 2020/10/28
int icaoCol = 0;
int registrationCol = 1;
int manufacturerNameCol = 3;
int modelCol = 4;
int ownerCol = 13;
int operatorCol = 9;
int operatorICAOCol = 11;
int registeredCol = 15;
qDebug() << "AircraftInformation::readOSNDB: " << filename;
FILE *file;
QByteArray utfFilename = filename.toUtf8();
if ((file = fopen(utfFilename.constData(), "r")) != NULL)
{
char row[2048];
if (fgets(row, sizeof(row), file))
{
aircraftInfo = new QHash<int, AircraftInformation *>();
aircraftInfo->reserve(500000);
// Read header
int idx = 0;
char *p = strtok(row, ",");
while (p != NULL)
{
if (!strcmp(p, "icao24"))
icaoCol = idx;
else if (!strcmp(p, "registration"))
registrationCol = idx;
else if (!strcmp(p, "manufacturername"))
manufacturerNameCol = idx;
else if (!strcmp(p, "model"))
modelCol = idx;
else if (!strcmp(p, "owner"))
ownerCol = idx;
else if (!strcmp(p, "operator"))
operatorCol = idx;
else if (!strcmp(p, "operatoricao"))
operatorICAOCol = idx;
else if (!strcmp(p, "registered"))
registeredCol = idx;
p = strtok(NULL, ",");
idx++;
}
// Read data
while (fgets(row, sizeof(row), file))
{
int icao = 0;
char *icaoString = NULL;
char *registration = NULL;
size_t registrationLen = 0;
char *manufacturerName = NULL;
size_t manufacturerNameLen = 0;
char *model = NULL;
size_t modelLen = 0;
char *owner = NULL;
size_t ownerLen = 0;
char *operatorName = NULL;
size_t operatorNameLen = 0;
char *operatorICAO = NULL;
size_t operatorICAOLen = 0;
char *registered = NULL;
size_t registeredLen = 0;
p = strtok(row, ",");
idx = 0;
while (p != NULL)
{
// Read strings, stripping quotes
if (idx == icaoCol)
{
icaoString = p+1;
icaoString[strlen(icaoString)-1] = '\0';
icao = strtol(icaoString, NULL, 16);
}
else if (idx == registrationCol)
{
registration = p+1;
registrationLen = strlen(registration)-1;
registration[registrationLen] = '\0';
}
else if (idx == manufacturerNameCol)
{
manufacturerName = p+1;
manufacturerNameLen = strlen(manufacturerName)-1;
manufacturerName[manufacturerNameLen] = '\0';
}
else if (idx == modelCol)
{
model = p+1;
modelLen = strlen(model)-1;
model[modelLen] = '\0';
}
else if (idx == ownerCol)
{
owner = p+1;
ownerLen = strlen(owner)-1;
owner[ownerLen] = '\0';
}
else if (idx == operatorCol)
{
operatorName = p+1;
operatorNameLen = strlen(operatorName)-1;
operatorName[operatorNameLen] = '\0';
}
else if (idx == operatorICAOCol)
{
operatorICAO = p+1;
operatorICAOLen = strlen(operatorICAO)-1;
operatorICAO[operatorICAOLen] = '\0';
}
else if (idx == registeredCol)
{
registered = p+1;
registeredLen = strlen(registered)-1;
registered[registeredLen] = '\0';
}
p = strtok(NULL, ",");
idx++;
}
// Only create the entry if we have some interesting data
if ((icao != 0) && (registrationLen > 0 || modelLen > 0 || ownerLen > 0 || operatorNameLen > 0 || operatorICAOLen > 0))
{
QString modelQ = QString(model);
// Tidy up the model names
if (modelQ.endsWith(" (Boeing)"))
modelQ = modelQ.left(modelQ.size() - 9);
else if (modelQ.startsWith("BOEING "))
modelQ = modelQ.right(modelQ.size() - 7);
else if (modelQ.startsWith("Boeing "))
modelQ = modelQ.right(modelQ.size() - 7);
else if (modelQ.startsWith("AIRBUS "))
modelQ = modelQ.right(modelQ.size() - 7);
else if (modelQ.startsWith("Airbus "))
modelQ = modelQ.right(modelQ.size() - 7);
else if (modelQ.endsWith(" (Cessna)"))
modelQ = modelQ.left(modelQ.size() - 9);
AircraftInformation *aircraft = new AircraftInformation();
aircraft->m_icao = icao;
aircraft->m_registration = QString(registration);
aircraft->m_manufacturerName = QString(manufacturerName);
aircraft->m_model = modelQ;
aircraft->m_owner = QString(owner);
aircraft->m_operator = QString(operatorName);
aircraft->m_operatorICAO = QString(operatorICAO);
aircraft->m_registered = QString(registered);
aircraftInfo->insert(icao, aircraft);
cnt++;
}
}
}
fclose(file);
}
else
qDebug() << "AircraftInformation::readOSNDB: Failed to open " << filename;
qDebug() << "AircraftInformation::readOSNDB: Read " << cnt << " aircraft";
return aircraftInfo;
}
// Create hash table using registration as key
static QHash<QString, AircraftInformation *> *registrationHash(const QHash<int, AircraftInformation *> *in)
{
QHash<QString, AircraftInformation *> *out = new QHash<QString, AircraftInformation *>();
QHashIterator<int, AircraftInformation *> i(*in);
while (i.hasNext())
{
i.next();
AircraftInformation *info = i.value();
out->insert(info->m_registration, info);
}
return out;
}
// Write a reduced size and validated version of the DB, so it loads quicker
static bool writeFastDB(const QString &filename, QHash<int, AircraftInformation *> *aircraftInfo)
{
QFile file(filename);
if (file.open(QIODevice::WriteOnly))
{
file.write("icao24,registration,manufacturername,model,owner,operator,operatoricao,registered\n");
QHash<int, AircraftInformation *>::iterator i = aircraftInfo->begin();
while (i != aircraftInfo->end())
{
AircraftInformation *info = i.value();
file.write(QString("%1").arg(info->m_icao, 1, 16).toUtf8());
file.write(",");
file.write(info->m_registration.toUtf8());
file.write(",");
file.write(info->m_manufacturerName.toUtf8());
file.write(",");
file.write(info->m_model.toUtf8());
file.write(",");
file.write(info->m_owner.toUtf8());
file.write(",");
file.write(info->m_operator.toUtf8());
file.write(",");
file.write(info->m_operatorICAO.toUtf8());
file.write(",");
file.write(info->m_registered.toUtf8());
file.write("\n");
++i;
}
file.close();
return true;
}
else
{
qCritical() << "AircraftInformation::writeFastDB failed to open " << filename << " for writing: " << file.errorString();
return false;
}
}
// Read smaller CSV file with no validation. Takes about 0.5s instead of 2s.
static QHash<int, AircraftInformation *> *readFastDB(const QString &filename)
{
int cnt = 0;
QHash<int, AircraftInformation *> *aircraftInfo = nullptr;
qDebug() << "AircraftInformation::readFastDB: " << filename;
FILE *file;
QByteArray utfFilename = filename.toUtf8();
if ((file = fopen(utfFilename.constData(), "r")) != NULL)
{
char row[2048];
if (fgets(row, sizeof(row), file))
{
// Check header
if (!strcmp(row, "icao24,registration,manufacturername,model,owner,operator,operatoricao,registered\n"))
{
aircraftInfo = new QHash<int, AircraftInformation *>();
aircraftInfo->reserve(500000);
// Read data
while (fgets(row, sizeof(row), file))
{
char *p = row;
AircraftInformation *aircraft = new AircraftInformation();
char *icaoString = csvNext(&p);
int icao = strtol(icaoString, NULL, 16);
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;
}
// Get flag based on registration
QString 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);
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;
}
static QString getOSNDBZipFilename()
{
return getDataDir() + "/aircraftDatabase.zip";
}
static QString getOSNDBFilename()
{
return getDataDir() + "/aircraftDatabase.csv";
}
static QString getFastDBFilename()
{
return getDataDir() + "/aircraftDatabaseFast.csv";
}
static QString getDataDir()
{
// Get directory to store app data in (aircraft & airport databases and user-definable icons)
QStringList locations = QStandardPaths::standardLocations(QStandardPaths::AppDataLocation);
// First dir is writable
return locations[0];
}
static QString getAirlineIconPath(const QString &operatorICAO)
{
QString endPath = QString("/airlinelogos/%1.bmp").arg(operatorICAO);
// Try in user directory first, so they can customise
QString userIconPath = 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();
}
// Try to find an airline logo based on ICAO
static QIcon *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;
}
}
static QString getFlagIconPath(const QString &country)
{
QString endPath = QString("/flags/%1.bmp").arg(country);
// Try in user directory first, so they can customise
QString userIconPath = 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();
}
// Try to find an flag logo based on a country
static QIcon *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;
}
}
};
#endif
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