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https://github.com/f4exb/sdrangel.git
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8b8867d343
Add support for public list of SDRangel servers that can be displayed on Map. Add FLAC and zlib IQ compression. Add IQ squelch for compression. Add remote device/antenna position and direction reporting. Add text messaging.
309 lines
11 KiB
C++
309 lines
11 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2022-2024 Jon Beniston, M7RCE <jon@beniston.com> //
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// Copyright (C) 2022 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
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// Copyright (C) 2022 Jiří Pinkava <jiri.pinkava@rossum.ai> //
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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 PLUGINS_SAMPLESOURCE_REMOTETCPINPUT_REMOTETCPINPUTUDPHANDLER_H_
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#define PLUGINS_SAMPLESOURCE_REMOTETCPINPUT_REMOTETCPINPUTUDPHANDLER_H_
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#include <QObject>
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#include <QTcpSocket>
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#include <QHostAddress>
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#include <QRecursiveMutex>
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#include <QDateTime>
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#include <FLAC/stream_decoder.h>
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#include <zlib.h>
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#include "util/messagequeue.h"
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#include "util/movingaverage.h"
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#include "dsp/replaybuffer.h"
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#include "remotetcpinputsettings.h"
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#include "../../channelrx/remotetcpsink/remotetcpprotocol.h"
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#include "spyserver.h"
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class SampleSinkFifo;
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class MessageQueue;
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class DeviceAPI;
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class FIFO {
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public:
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FIFO(qsizetype elements = 10);
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qsizetype write(quint8 *data, qsizetype elements);
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qsizetype read(quint8 *data, qsizetype elements);
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qsizetype readPtr(quint8 **data, qsizetype elements);
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void read(qsizetype elements);
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void resize(qsizetype elements); // Sets capacity
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void clear();
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qsizetype fill() const { return m_fill; } // Number of elements in use
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bool empty() const { return m_fill == 0; }
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bool full() const { return m_fill == m_data.size(); }
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private:
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qsizetype m_readPtr;
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qsizetype m_writePtr;
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qsizetype m_fill;
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QByteArray m_data;
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};
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class RemoteTCPInputTCPHandler : public QObject
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{
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Q_OBJECT
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public:
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class MsgConfigureTcpHandler : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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const RemoteTCPInputSettings& getSettings() const { return m_settings; }
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const QList<QString>& getSettingsKeys() const { return m_settingsKeys; }
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bool getForce() const { return m_force; }
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static MsgConfigureTcpHandler* create(const RemoteTCPInputSettings& settings, const QList<QString>& settingsKeys, bool force)
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{
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return new MsgConfigureTcpHandler(settings, settingsKeys, force);
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}
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private:
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RemoteTCPInputSettings m_settings;
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QList<QString> m_settingsKeys;
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bool m_force;
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MsgConfigureTcpHandler(const RemoteTCPInputSettings& settings, const QList<QString>& settingsKeys, bool force) :
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Message(),
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m_settings(settings),
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m_settingsKeys(settingsKeys),
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m_force(force)
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{ }
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};
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class MsgReportRemoteDevice : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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RemoteTCPProtocol::Device getDevice() const { return m_device; }
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QString getProtocol() const { return m_protocol; }
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bool getIQOnly() const { return m_iqOnly; }
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bool getRemoteControl() const { return m_remoteControl; }
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int getMaxGain() const { return m_maxGain; }
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static MsgReportRemoteDevice* create(RemoteTCPProtocol::Device device, const QString& protocol, bool iqOnly, bool remoteControl, int maxGain = 0)
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{
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return new MsgReportRemoteDevice(device, protocol, iqOnly, remoteControl, maxGain);
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}
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protected:
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RemoteTCPProtocol::Device m_device;
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QString m_protocol;
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bool m_iqOnly;
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bool m_remoteControl;
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int m_maxGain;
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MsgReportRemoteDevice(RemoteTCPProtocol::Device device, const QString& protocol, bool iqOnly, bool remoteControl, int maxGain) :
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Message(),
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m_device(device),
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m_protocol(protocol),
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m_iqOnly(iqOnly),
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m_remoteControl(remoteControl),
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m_maxGain(maxGain)
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{ }
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};
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class MsgReportConnection : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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bool getConnected() const { return m_connected; }
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static MsgReportConnection* create(bool connected)
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{
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return new MsgReportConnection(connected);
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}
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protected:
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bool m_connected;
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MsgReportConnection(bool connected) :
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Message(),
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m_connected(connected)
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{ }
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};
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RemoteTCPInputTCPHandler(SampleSinkFifo* sampleFifo, DeviceAPI *deviceAPI, ReplayBuffer<FixReal> *replayBuffer);
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~RemoteTCPInputTCPHandler();
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MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; }
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void setMessageQueueToInput(MessageQueue *queue) { m_messageQueueToInput = queue; }
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void setMessageQueueToGUI(MessageQueue *queue) { m_messageQueueToGUI = queue; }
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void reset();
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void start();
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void stop();
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int getBufferGauge() const { return 0; }
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void processCommands();
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FLAC__StreamDecoderReadStatus flacRead(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes);
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FLAC__StreamDecoderWriteStatus flacWrite(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 *const buffer[]);
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void flacError(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status);
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void getMagSqLevels(double& avg, double& peak, int& nbSamples)
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{
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if (m_magsqCount > 0)
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{
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m_magsq = m_magsqSum / m_magsqCount;
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m_magSqLevelStore.m_magsq = m_magsq;
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m_magSqLevelStore.m_magsqPeak = m_magsqPeak;
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}
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avg = m_magSqLevelStore.m_magsq;
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peak = m_magSqLevelStore.m_magsqPeak;
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nbSamples = m_magsqCount == 0 ? 1 : m_magsqCount;
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m_magsqSum = 0.0f;
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m_magsqPeak = 0.0f;
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m_magsqCount = 0;
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}
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public slots:
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void dataReadyRead();
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void connected();
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void disconnected();
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void errorOccurred(QAbstractSocket::SocketError socketError);
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private:
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struct MagSqLevelsStore
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{
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MagSqLevelsStore() :
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m_magsq(1e-12),
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m_magsqPeak(1e-12)
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{}
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double m_magsq;
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double m_magsqPeak;
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};
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DeviceAPI *m_deviceAPI;
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bool m_running;
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QTcpSocket *m_dataSocket;
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char *m_tcpBuf;
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SampleSinkFifo *m_sampleFifo;
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ReplayBuffer<FixReal> *m_replayBuffer;
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MessageQueue m_inputMessageQueue; //!< Queue for asynchronous inbound communication
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MessageQueue *m_messageQueueToInput;
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MessageQueue *m_messageQueueToGUI;
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bool m_readMetaData;
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bool m_fillBuffer;
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QTimer m_timer;
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QTimer m_reconnectTimer;
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QDateTime m_prevDateTime;
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bool m_sdra;
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bool m_spyServer;
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RemoteTCPProtocol::Device m_device;
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SpyServerProtocol::Header m_spyServerHeader;
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enum {HEADER, DATA} m_state; //!< FSM for reading Spy Server packets
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RemoteTCPProtocol::Command m_command;
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quint32 m_commandLength;
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int32_t *m_converterBuffer;
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uint32_t m_converterBufferNbSamples;
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QRecursiveMutex m_mutex;
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RemoteTCPInputSettings m_settings;
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bool m_remoteControl;
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bool m_iqOnly;
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QByteArray m_compressedData;
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// FLAC decompression
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qint64 m_compressedFrames;
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qint64 m_uncompressedFrames;
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FIFO m_uncompressedData;
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FLAC__StreamDecoder *m_decoder;
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int m_remainingSamples;
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// Zlib decompression
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z_stream m_zStream;
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QByteArray m_zOutBuf;
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static const int m_zBufSize = 32768+128; //
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bool m_blacklisted;
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double m_magsq;
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double m_magsqSum;
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double m_magsqPeak;
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int m_magsqCount;
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MagSqLevelsStore m_magSqLevelStore;
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MovingAverageUtil<Real, double, 16> m_movingAverage;
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bool handleMessage(const Message& message);
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void connectToHost(const QString& address, quint16 port);
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//void disconnectFromHost();
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void cleanup();
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void clearBuffer();
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void sendCommand(RemoteTCPProtocol::Command cmd, quint32 value);
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void sendCommandFloat(RemoteTCPProtocol::Command cmd, float value);
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void setSampleRate(int sampleRate);
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void setCenterFrequency(quint64 frequency);
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void setTunerAGC(bool agc);
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void setTunerGain(int gain);
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void setGainByIndex(int gain);
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void setFreqCorrection(int correction);
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void setIFGain(quint16 stage, quint16 gain);
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void setAGC(bool agc);
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void setDirectSampling(bool enabled);
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void setDCOffsetRemoval(bool enabled);
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void setIQCorrection(bool enabled);
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void setBiasTee(bool enabled);
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void setBandwidth(int bandwidth);
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void setDecimation(int dec);
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void setChannelSampleRate(int dec);
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void setChannelFreqOffset(int offset);
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void setChannelGain(int gain);
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void setSampleBitDepth(int sampleBits);
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void setSquelchEnabled(bool enabled);
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void setSquelch(float squelch);
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void setSquelchGate(float squelchGate);
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void sendMessage(const QString& callsign, const QString& text, bool broadcast);
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void applySettings(const RemoteTCPInputSettings& settings, const QList<QString>& settingsKeys, bool force = false);
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void processMetaData();
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void spyServerConnect();
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void spyServerSet(int setting, int value);
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void spyServerSetIQFormat(int sampleBits);
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void spyServerSetStreamIQ();
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void processSpyServerMetaData();
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void processSpyServerDevice(const SpyServerProtocol::Device* ssDevice);
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void processSpyServerState(const SpyServerProtocol::State* ssState, bool initial);
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void processSpyServerData(int requiredBytes, bool clear);
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void processDecompressedData(int requiredSamples);
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void processUncompressedData(const char *inBuf, int nbSamples);
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void processDecompressedZlibData(const char *inBuf, int nbSamples);
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void calcPower(const Sample *iq, int nbSamples);
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void sendSettings(const RemoteTCPInputSettings& settings, const QStringList& settingsKeys);
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private slots:
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void started();
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void finished();
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void handleInputMessages();
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void processData();
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void reconnect();
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};
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#endif /* PLUGINS_SAMPLESOURCE_REMOTETCPINPUT_REMOTETCPINPUTUDPHANDLER_H_ */
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