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90 lines
3.0 KiB
C++
90 lines
3.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2023 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_APRSFI_H
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#define INCLUDE_APRSFI_H
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#include <QtCore>
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#include <QMutex>
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#include "export.h"
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class QNetworkAccessManager;
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class QNetworkReply;
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// aprs.fi API
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// Allows querying APRS and AIS data
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// Data can be cached to help avoid rate limiting on the server
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class SDRBASE_API APRSFi : public QObject
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{
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Q_OBJECT
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protected:
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APRSFi(const QString& apiKey, int cacheValidMins);
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public:
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struct LocationData {
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QString m_name;
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QDateTime m_firstTime; // First time this position was reported
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QDateTime m_lastTime; // Last time this position was reported
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float m_latitude;
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float m_longitude;
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QString m_callsign;
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QDateTime m_dateTime; // Data/time this data was received from APRS.fi
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LocationData() :
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m_latitude(NAN),
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m_longitude(NAN)
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{
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}
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};
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struct AISData : LocationData {
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QString m_mmsi;
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QString m_imo;
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AISData()
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{
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}
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};
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// Keys are free from https://aprs.fi/ - so get your own
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static APRSFi* create(const QString& apiKey="184212.WhYgz2jqu3l2O", int cacheValidMins=10);
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~APRSFi();
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void getData(const QStringList& names);
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void getData(const QString& name);
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private slots:
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void handleReply(QNetworkReply* reply);
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signals:
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void dataUpdated(const QList<AISData>& data); // Called when new data available.
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private:
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bool containsNonNull(const QJsonObject& obj, const QString &key) const;
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QNetworkAccessManager *m_networkManager;
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QString m_apiKey;
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int m_cacheValidMins;
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static QMutex m_mutex;
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static QHash<QString, AISData> m_aisCache;
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};
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#endif /* INCLUDE_APRSFI_H */
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