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sdrangel/sdrbase/util/aprsfi.h

93 lines
3.3 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel //
// Copyright (C) 2015-2019 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
// Copyright (C) 2021, 2023 Jon Beniston, M7RCE <jon@beniston.com> //
// //
// 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_APRSFI_H
#define INCLUDE_APRSFI_H
#include <QtCore>
#include <QMutex>
#include "export.h"
class QNetworkAccessManager;
class QNetworkReply;
// aprs.fi API
// Allows querying APRS and AIS data
// Data can be cached to help avoid rate limiting on the server
class SDRBASE_API APRSFi : public QObject
{
Q_OBJECT
protected:
APRSFi(const QString& apiKey, int cacheValidMins);
public:
struct LocationData {
QString m_name;
QDateTime m_firstTime; // First time this position was reported
QDateTime m_lastTime; // Last time this position was reported
float m_latitude;
float m_longitude;
QString m_callsign;
QDateTime m_dateTime; // Data/time this data was received from APRS.fi
LocationData() :
m_latitude(NAN),
m_longitude(NAN)
{
}
};
struct AISData : LocationData {
QString m_mmsi;
QString m_imo;
AISData()
{
}
};
// Keys are free from https://aprs.fi/ - so get your own
static APRSFi* create(const QString& apiKey="184212.WhYgz2jqu3l2O", int cacheValidMins=10);
~APRSFi();
void getData(const QStringList& names);
void getData(const QString& name);
private slots:
void handleReply(QNetworkReply* reply);
signals:
void dataUpdated(const QList<AISData>& data); // Called when new data available.
private:
bool containsNonNull(const QJsonObject& obj, const QString &key) const;
QNetworkAccessManager *m_networkManager;
QString m_apiKey;
int m_cacheValidMins;
static QMutex m_mutex;
static QHash<QString, AISData> m_aisCache;
};
#endif /* INCLUDE_APRSFI_H */