SDRdaemon plugin. Debug core dump

plugins/samplesource/sdrdaemon/sdrdaemonbuffer.cpp

@@ -240,14 +240,14 @@ uint8_t *SDRdaemonBuffer::readData(uint32_t length)
 
 	if (m_readCount + length < m_rawSize)
 	{
-		m_readCount += length;
 		return &m_rawBuffer[readCount];
+		m_readCount += length;
 	}
 	else
 	{
-		std::memcpy((void *) m_frameBuffer, (const void *) &m_rawBuffer[readCount], m_rawSize - m_rawCount);
+		std::memcpy((void *) m_frameBuffer, (const void *) &m_rawBuffer[readCount], m_rawSize - m_readCount); // read last bit from raw buffer
-		m_readCount = length - (m_rawSize - m_rawCount);
+		m_readCount = length - (m_rawSize - m_readCount);
-		std::memcpy((void *) m_frameBuffer, (const void *) &m_frameBuffer[m_rawSize - m_rawCount], m_readCount);
+		std::memcpy((void *) &m_frameBuffer[m_rawSize - m_readCount], (const void *) m_frameBuffer, m_readCount); // read the rest at start of raw buffer
 		return m_frameBuffer;
 	}
 }

plugins/samplesource/sdrdaemon/sdrdaemoninput.cpp

@@ -29,6 +29,42 @@
 
 MESSAGE_CLASS_DEFINITION(SDRdaemonInput::MsgConfigureSDRdaemonUDPLink, Message)
 MESSAGE_CLASS_DEFINITION(SDRdaemonInput::MsgConfigureSDRdaemonWork, Message)
+void SDRdaemonInput::updateLink(const QString& address, quint16 port)
+{
+	QMutexLocker mutexLocker(&m_mutex);
+	bool wasRunning = false;
+
+	if ((m_address != address) || (m_port != port))
+	{
+		if (m_SDRdaemonThread != 0)
+		{
+			wasRunning = m_SDRdaemonThread->isRunning();
+
+			if (wasRunning)
+			{
+				m_SDRdaemonThread->stopWork();
+			}
+		}
+
+		if (m_SDRdaemonThread != 0)
+		{
+			m_SDRdaemonThread->updateLink(address, port);
+
+			if (wasRunning)
+			{
+				m_SDRdaemonThread->startWork();
+			}
+		}
+
+		m_address = address;
+		m_port = port;
+
+		qDebug() << "SDRdaemonInput::updateLink:"
+				<< " address: " << m_address.toStdString().c_str()
+				<< "port: " << m_port;
+	}
+}
+
 MESSAGE_CLASS_DEFINITION(SDRdaemonInput::MsgConfigureSDRdaemonStreamTiming, Message)
 MESSAGE_CLASS_DEFINITION(SDRdaemonInput::MsgReportSDRdaemonAcquisition, Message)
 MESSAGE_CLASS_DEFINITION(SDRdaemonInput::MsgReportSDRdaemonStreamData, Message)
@@ -72,7 +108,6 @@ bool SDRdaemonInput::start(int device)
 		return false;
 	}
 
-	m_SDRdaemonThread->setSamplerate(m_sampleRate);
 	m_SDRdaemonThread->connectTimer(m_masterTimer);
 	m_SDRdaemonThread->startWork();
 	m_deviceDescription = "SDRdaemon";
@@ -173,75 +208,3 @@ bool SDRdaemonInput::handleMessage(const Message& message)
 	}
 }
 
-void SDRdaemonInput::updateLink(const QString& address, quint16 port)
-{
-	QMutexLocker mutexLocker(&m_mutex);
-	bool wasRunning = false;
-
-	if ((m_address != address) || (m_port != port))
-	{
-		if (m_SDRdaemonThread != 0)
-		{
-			wasRunning = m_SDRdaemonThread->isRunning();
-
-			if (wasRunning)
-			{
-				m_SDRdaemonThread->stopWork();
-			}
-		}
-
-		if (m_SDRdaemonThread != 0)
-		{
-			m_SDRdaemonThread->updateLink(address, port);
-
-			if (wasRunning)
-			{
-				m_SDRdaemonThread->startWork();
-			}
-		}
-
-		m_address = address;
-		m_port = port;
-
-		qDebug() << "SDRdaemonInput::updateLink:"
-				<< " address: " << m_address.toStdString().c_str()
-				<< "port: " << m_port;
-	}
-}
-
-void SDRdaemonInput:: updateSampleRate(int sampleRate)
-{
-	QMutexLocker mutexLocker(&m_mutex);
-	bool wasRunning = false;
-
-	if (m_sampleRate != sampleRate)
-	{
-		m_sampleRate = sampleRate;
-
-		if (m_SDRdaemonThread != 0)
-		{
-			wasRunning = m_SDRdaemonThread->isRunning();
-
-			if (wasRunning)
-			{
-				m_SDRdaemonThread->stopWork();
-			}
-		}
-
-		if (m_SDRdaemonThread != 0)
-		{
-			m_SDRdaemonThread->setSamplerate(m_sampleRate);
-
-			if (wasRunning)
-			{
-				m_SDRdaemonThread->startWork();
-			}
-		}
-        
-		DSPSignalNotification *notif = new DSPSignalNotification(m_sampleRate, m_centerFrequency);
-		DSPEngine::instance()->getInputMessageQueue()->push(notif);
-
-		qDebug() << "SDRdaemonInput::updateSampleRate:"
-				<< " sample rate: " << m_sampleRate;
-	}
-}

plugins/samplesource/sdrdaemon/sdrdaemoninput.h

@@ -179,7 +179,6 @@ private:
 	const QTimer& m_masterTimer;
 
 	void updateLink(const QString& address, quint16 port);
-	void updateSampleRate(int sampleRate);
 };
 
 #endif // INCLUDE_SDRDAEMONINPUT_H

plugins/samplesource/sdrdaemon/sdrdaemonthread.cpp

@@ -43,6 +43,19 @@ SDRdaemonThread::SDRdaemonThread(SampleFifo* sampleFifo, QObject* parent) :
 	m_samplerate(0)
 {
     m_udpBuf = new char[m_udpPayloadSize];
+    m_dataSocket = new QUdpSocket(this);
+
+	if (m_dataSocket->bind(m_dataAddress, m_dataPort))
+	{
+		qDebug("SDRdaemonThread::SDRdaemonThread: bind data socket to port %d", m_dataPort);
+		connect(m_dataSocket, SIGNAL(readyRead()), this, SLOT(dataReadyRead()));
+		m_dataConnected = true;
+	}
+    else
+    {
+    	qWarning("SDRdaemonThread::SDRdaemonThread: cannot bind data port %d", m_dataPort);
+    	m_dataConnected = false;
+    }
 }
 
 SDRdaemonThread::~SDRdaemonThread()
@@ -64,27 +77,17 @@ void SDRdaemonThread::startWork()
 {
 	qDebug() << "SDRdaemonThread::startWork: ";
 
-	if (!m_dataSocket) {
+	if (!m_dataConnected)
-		m_dataSocket = new QUdpSocket(this);
-	}
-    
-	if (m_dataSocket->bind(m_dataAddress, m_dataPort))
 	{
-		qDebug("SDRdaemonThread::startWork: bind data socket to port %d", m_dataPort);
 		connect(m_dataSocket, SIGNAL(readyRead()), this, SLOT(dataReadyRead()));
+		m_dataConnected = true;
+	}
 
 	m_startWaitMutex.lock();
 	start();
 	while(!m_running)
 		m_startWaiter.wait(&m_startWaitMutex, 100);
 	m_startWaitMutex.unlock();
-		m_dataConnected = true;
-	}
-    else
-    {
-    	qWarning("SDRdaemonThread::startWork: cannot bind data port %d", m_dataPort);
-    	m_dataConnected = false;
-    }
 }
 
 void SDRdaemonThread::stopWork()
@@ -93,11 +96,7 @@ void SDRdaemonThread::stopWork()
 
 	if (m_dataConnected) {
 		disconnect(m_dataSocket, SIGNAL(readyRead()), this, SLOT(dataReadyRead()));
-	}
+		m_dataConnected = false;
-
-	if (m_dataSocket) {
-		delete m_dataSocket;
-		m_dataSocket = 0;
 	}
 
 	m_running = false;
@@ -106,14 +105,16 @@ void SDRdaemonThread::stopWork()
 
 void SDRdaemonThread::setSamplerate(uint32_t samplerate)
 {
+	bool wasRunning = m_running;
+
 	qDebug() << "SDRdaemonThread::setSamplerate:"
 			<< " new:" << samplerate
 			<< " old:" << m_samplerate;
 
-	if (samplerate != m_samplerate)
+	if (m_running)
 	{
-		if (m_running) {
 		stopWork();
+		m_running = false;
 	}
 
 	m_samplerate = samplerate;
@@ -130,9 +131,43 @@ void SDRdaemonThread::setSamplerate(uint32_t samplerate)
 
 	qDebug() << "  - size: " << m_bufsize
 			<< " #samples: " << (m_bufsize/4);
+
+	if (wasRunning)
+	{
+		startWork();
+		m_running = true;
+	}
+}
+
+void SDRdaemonThread::updateLink(const QString& address, quint16 port)
+{
+	if (m_dataSocket) {
+		delete m_dataSocket;
+		m_dataSocket = 0;
 	}
 
-	//m_samplerate = samplerate;
+	m_dataSocket = new QUdpSocket(this);
+	m_dataPort = port;
+
+	if (m_dataAddress.setAddress(address))
+	{
+		if (m_dataSocket->bind(m_dataAddress, m_dataPort))
+		{
+			qDebug("SDRdaemonThread::startWork: bind data socket to port %d", m_dataPort);
+			connect(m_dataSocket, SIGNAL(readyRead()), this, SLOT(dataReadyRead()));
+			m_dataConnected = true;
+		}
+		else
+		{
+			qWarning("SDRdaemonThread::updateLink: cannot bind data port %d", m_dataPort);
+			m_dataConnected = false;
+		}
+	}
+	else
+	{
+		qWarning("SDRdaemonThread::updateLink: cannot set data address: %s", qPrintable(address));
+		m_dataConnected = false;
+	}
 }
 
 void SDRdaemonThread::run()
@@ -183,7 +218,13 @@ void SDRdaemonThread::dataReadyRead()
 
 			if (m_sdrDaemonBuffer.readMeta(m_udpBuf, readBytes))
 			{
-				setSamplerate(m_sdrDaemonBuffer.getCurrentMeta().m_sampleRate);
+				uint32_t sampleRate = m_sdrDaemonBuffer.getCurrentMeta().m_sampleRate;
+
+				if (m_samplerate != sampleRate)
+				{
+					setSamplerate(sampleRate);
+					m_samplerate = sampleRate;
+				}
 			}
 			else if (m_sdrDaemonBuffer.isSync())
 			{

plugins/samplesource/sdrdaemon/sdrdaemonthread.h

@@ -42,7 +42,6 @@ public:
 
 	void startWork();
 	void stopWork();
-	void setSamplerate(uint32_t samplerate);
 	void updateLink(const QString& address, quint16 port);
 	bool isRunning() const { return m_running; }
 	std::size_t getSamplesCount() const { return m_samplesCount; }
@@ -59,7 +58,7 @@ private:
 
 	QUdpSocket *m_dataSocket;
 	QHostAddress m_dataAddress;
-	int m_dataPort;
+	quint16 m_dataPort;
 	bool m_dataConnected;
 	quint8 *m_buf;
 	char *m_udpBuf;
@@ -74,6 +73,7 @@ private:
 	static const int m_rateDivider;
 	static const int m_udpPayloadSize;
 
+	void setSamplerate(uint32_t samplerate);
 	void run();
 private slots:
 	void tick();