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sdrangel/sdrbase/websockets/wsspectrum.h

84 lines
2.8 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2020 Edouard Griffiths, F4EXB. //
// //
// 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 SDRBASE_WEBSOCKETS_WSSPECTRUM_H_
#define SDRBASE_WEBSOCKETS_WSSPECTRUM_H_
#include <vector>
#include <QObject>
#include <QList>
#include <QElapsedTimer>
#include <QHostAddress>
#include "dsp/dsptypes.h"
#include "export.h"
class QWebSocketServer;
class QWebSocket;
class SDRBASE_API WSSpectrum : public QObject
{
Q_OBJECT
public:
explicit WSSpectrum(QObject *parent = nullptr);
~WSSpectrum() override;
void openSocket();
void closeSocket();
bool socketOpened();
void setListeningAddress(const QString& address) { m_listeningAddress.setAddress(address); }
void setPort(quint16 port) { m_port = port; }
void newSpectrum(
const std::vector<Real>& spectrum,
int fftSize,
float refLevel,
float powerRange,
uint64_t centerFrequency,
int bandwidth,
bool linear
);
private slots:
void onNewConnection();
void processClientMessage(const QString &message);
void socketDisconnected();
private:
QHostAddress m_listeningAddress;
quint16 m_port;
QWebSocketServer* m_webSocketServer;
QList<QWebSocket*> m_clients;
QElapsedTimer m_timer;
static QString getWebSocketIdentifier(QWebSocket *peer);
void buildPayload(
QByteArray& bytes,
const std::vector<Real>& spectrum,
int fftSize,
int64_t fftTimeMs,
float refLevel,
float powerRange,
uint64_t centerFrequency,
int bandwidth,
bool linear
);
};
#endif // SDRBASE_WEBSOCKETS_WSSPECTRUM_H_