join multicast group on all interfaces

platform/qt/qsacnnode.cpp

@@ -2,9 +2,15 @@
 
 #include <QDebug>
 #include <QNetworkDatagram>
+#include <QNetworkInterface>
 
 namespace SACN {
 
+/**
+ * @brief QSacnNode::QSacnNode
+ * @param parent
+ * @param cid
+ */
 QSacnNode::QSacnNode(QObject *parent, QUuid cid)
     : Appliance(UUID::uuid(cid.toString().toStdString()))
     , QUdpSocket(parent)
@@ -22,6 +28,10 @@ QSacnNode::QSacnNode(QObject *parent, QUuid cid)
 }
 
 
+/**
+ * @brief QSacnNode::subscribe
+ * @param num
+ */
 void QSacnNode::subscribe(const uint16_t num)
 {
   if (Receiver::universe(num))  // already subscribed
@@ -31,13 +41,20 @@ void QSacnNode::subscribe(const uint16_t num)
     Receiver::subscribe(num);
     universes_.insert(num, new QSacnUniverse(this, Receiver::universe(num)));
   }
-  joinMulticastGroup(IPv4MulticastAddress(num));
+  for (QNetworkInterface &iface : QNetworkInterface::allInterfaces())
+    joinMulticastGroup(IPv4MulticastAddress(num), iface);
 }
 
 
+/**
+ * @brief QSacnNode::unsubscribe
+ * @param num
+ */
 void QSacnNode::unsubscribe(const uint16_t num)
 {
-  leaveMulticastGroup(IPv4MulticastAddress(num));
+  for (QNetworkInterface &iface : QNetworkInterface::allInterfaces())
+    leaveMulticastGroup(IPv4MulticastAddress(num), iface);
+
   if (Receiver::universe(num)) {
     qDebug() << "Unsubscribing from universe " << QString::number(num);
     delete universes_.take(num);
@@ -46,6 +63,9 @@ void QSacnNode::unsubscribe(const uint16_t num)
 }
 
 
+/**
+ * @brief QSacnNode::UdpPayloadReceiver
+ */
 void QSacnNode::UdpPayloadReceiver()
 {
     while (hasPendingDatagrams()) {
@@ -63,7 +83,12 @@ void QSacnNode::UdpPayloadReceiver()
 }
 
 
-// wrap callback to Qt signal
+/**
+ * @brief QSacnNode::emitFound
+ * @param univ
+ *
+ *  wrap data change callback to a Qt signal
+ */
 void QSacnNode::emitFound(
         std::shared_ptr<EXTENDED::DISCOVERY::DiscoveredUniverse> univ)
 {