Sink plugins: put a serializer and deserializer in the core plugin for server

plugins/samplesink/hackrfoutput/hackrfoutput.cpp

@@ -169,6 +169,33 @@ void HackRFOutput::stop()
 	m_running = false;
 }
 
+QByteArray HackRFOutput::serialize() const
+{
+    return m_settings.serialize();
+}
+
+bool HackRFOutput::deserialize(const QByteArray& data)
+{
+    bool success = true;
+
+    if (!m_settings.deserialize(data))
+    {
+        m_settings.resetToDefaults();
+        success = false;
+    }
+
+    MsgConfigureHackRF* message = MsgConfigureHackRF::create(m_settings, true);
+    m_inputMessageQueue.push(message);
+
+    if (m_guiMessageQueue)
+    {
+        MsgConfigureHackRF* messageToGUI = MsgConfigureHackRF::create(m_settings, true);
+        m_guiMessageQueue->push(messageToGUI);
+    }
+
+    return success;
+}
+
 const QString& HackRFOutput::getDeviceDescription() const
 {
 	return m_deviceDescription;
@@ -185,6 +212,21 @@ quint64 HackRFOutput::getCenterFrequency() const
 	return m_settings.m_centerFrequency;
 }
 
+void HackRFOutput::setCenterFrequency(qint64 centerFrequency)
+{
+    HackRFOutputSettings settings = m_settings;
+    settings.m_centerFrequency = centerFrequency;
+
+    MsgConfigureHackRF* message = MsgConfigureHackRF::create(settings, false);
+    m_inputMessageQueue.push(message);
+
+    if (m_guiMessageQueue)
+    {
+        MsgConfigureHackRF* messageToGUI = MsgConfigureHackRF::create(settings, false);
+        m_guiMessageQueue->push(messageToGUI);
+    }
+}
+
 bool HackRFOutput::handleMessage(const Message& message)
 {
 	if (MsgConfigureHackRF::match(message))

plugins/samplesink/hackrfoutput/hackrfoutput.h

@@ -98,10 +98,14 @@ public:
 	virtual bool start();
 	virtual void stop();
 
+    virtual QByteArray serialize() const;
+    virtual bool deserialize(const QByteArray& data);
+
     virtual void setMessageQueueToGUI(MessageQueue *queue) { m_guiMessageQueue = queue; }
 	virtual const QString& getDeviceDescription() const;
 	virtual int getSampleRate() const;
 	virtual quint64 getCenterFrequency() const;
+    virtual void setCenterFrequency(qint64 centerFrequency);
 
 	virtual bool handleMessage(const Message& message);
 

plugins/samplesink/hackrfoutput/hackrfoutputgui.cpp

@@ -131,7 +131,16 @@ void HackRFOutputGui::blockApplySettings(bool block)
 
 bool HackRFOutputGui::handleMessage(const Message& message)
 {
-    if (HackRFOutput::MsgReportHackRF::match(message))
+    if (HackRFOutput::MsgConfigureHackRF::match(message))
+    {
+        const HackRFOutput::MsgConfigureHackRF& cfg = (HackRFOutput::MsgConfigureHackRF&) message;
+        m_settings = cfg.getSettings();
+        blockApplySettings(true);
+        displaySettings();
+        blockApplySettings(false);
+        return true;
+    }
+    else if (HackRFOutput::MsgReportHackRF::match(message))
     {
         displaySettings();
         return true;