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sdrangel/sdrdaemon/channel/sdrdaemonchannelsourcethread.h

116 lines
4.0 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2018 Edouard Griffiths, F4EXB. //
// //
// SDRdaemon source channel (Tx) UDP receiver thread //
// //
// SDRdaemon is a detached SDR front end that handles the interface with a //
// physical device and sends or receives the I/Q samples stream to or from a //
// SDRangel instance via UDP. It is controlled via a Web REST API. //
// //
// 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 //
// //
// 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 SDRDAEMON_CHANNEL_SDRDAEMONCHANNELSOURCETHREAD_H_
#define SDRDAEMON_CHANNEL_SDRDAEMONCHANNELSOURCETHREAD_H_
#include <QThread>
#include <QMutex>
#include <QWaitCondition>
#include <QHostAddress>
#include "util/message.h"
#include "util/messagequeue.h"
class SDRDaemonDataQueue;
class SDRDaemonDataBlock;
class QUdpSocket;
class SDRDaemonChannelSourceThread : public QThread {
Q_OBJECT
public:
class MsgStartStop : public Message {
MESSAGE_CLASS_DECLARATION
public:
bool getStartStop() const { return m_startStop; }
static MsgStartStop* create(bool startStop) {
return new MsgStartStop(startStop);
}
protected:
bool m_startStop;
MsgStartStop(bool startStop) :
Message(),
m_startStop(startStop)
{ }
};
class MsgDataBind : public Message {
MESSAGE_CLASS_DECLARATION
public:
QHostAddress getAddress() const { return m_address; }
uint16_t getPort() const { return m_port; }
static MsgDataBind* create(const QString& address, uint16_t port) {
return new MsgDataBind(address, port);
}
protected:
QHostAddress m_address;
uint16_t m_port;
MsgDataBind(const QString& address, uint16_t port) :
Message(),
m_port(port)
{
m_address.setAddress(address);
}
};
SDRDaemonChannelSourceThread(SDRDaemonDataQueue *dataQueue, QObject* parent = 0);
~SDRDaemonChannelSourceThread();
void startStop(bool start);
void dataBind(const QString& address, uint16_t port);
private:
QMutex m_startWaitMutex;
QWaitCondition m_startWaiter;
bool m_running;
MessageQueue m_inputMessageQueue;
SDRDaemonDataQueue *m_dataQueue;
QHostAddress m_address;
QUdpSocket *m_socket;
static const uint32_t m_nbDataBlocks = 4; //!< number of data blocks in the ring buffer
SDRDaemonDataBlock *m_dataBlocks[m_nbDataBlocks]; //!< ring buffer of data blocks indexed by frame affinity
void startWork();
void stopWork();
void run();
private slots:
void handleInputMessages();
void readPendingDatagrams();
};
#endif /* SDRDAEMON_CHANNEL_SDRDAEMONCHANNELSOURCETHREAD_H_ */