websocket spectrum: added listening address and port to websocket spectrum server information. Fixed setting of listening address

sdrbase/dsp/spectrumvis.cpp

@@ -774,11 +774,12 @@ void SpectrumVis::handleWSOpenClose(bool openClose)
 
 void SpectrumVis::handleConfigureWSSpectrum(const QString& address, uint16_t port)
 {
+    m_wsSpectrum.setListeningAddress(address);
+    m_wsSpectrum.setPort(port);
+
     if (m_wsSpectrum.socketOpened())
     {
         m_wsSpectrum.closeSocket();
-        m_wsSpectrum.setListeningAddress(address);
-        m_wsSpectrum.setPort(port);
         m_wsSpectrum.openSocket();
     }
 }
@@ -824,6 +825,18 @@ int SpectrumVis::webapiSpectrumServerGet(SWGSDRangel::SWGSpectrumServer& respons
     response.init();
     response.setRun(serverRunning ? 1 : 0);
 
+    QHostAddress serverAddress = m_wsSpectrum.getListeningAddress();
+
+    if (serverAddress != QHostAddress::Null) {
+        response.setListeningAddress(new QString(serverAddress.toString()));
+    }
+
+    uint16_t serverPort = m_wsSpectrum.getListeningPort();
+
+    if (serverPort != 0) {
+        response.setListeningPort(serverPort);
+    }
+
     if (peerHosts.size() > 0)
     {
         response.setClients(new QList<SWGSDRangel::SWGSpectrumServer_clients*>);

sdrbase/websockets/wsspectrum.cpp

@@ -124,6 +124,24 @@ void WSSpectrum::socketDisconnected()
     }
 }
 
+QHostAddress WSSpectrum::getListeningAddress() const
+{
+    if (m_webSocketServer) {
+        return m_webSocketServer->serverAddress();
+    } else {
+        return QHostAddress::Null;
+    }
+}
+
+uint16_t WSSpectrum::getListeningPort() const
+{
+    if (m_webSocketServer) {
+        return m_webSocketServer->serverPort();
+    } else {
+        return 0;
+    }
+}
+
 void WSSpectrum::newSpectrum(
     const std::vector<Real>& spectrum,
     int fftSize,

sdrbase/websockets/wsspectrum.h

@@ -45,6 +45,8 @@ public:
     void getPeers(QList<QHostAddress>& hosts, QList<quint16>& ports) const;
     void setListeningAddress(const QString& address) { m_listeningAddress.setAddress(address); }
     void setPort(quint16 port) { m_port = port; }
+    QHostAddress getListeningAddress() const;
+    uint16_t getListeningPort() const;
     void newSpectrum(
         const std::vector<Real>& spectrum,
         int fftSize,