Example UDP server project

simulation/VirtualLedBoard/udpserver.cpp

@@ -0,0 +1,35 @@
+#include "udpserver.h"
+#include <QUdpSocket>
+#include <QNetworkDatagram>
+
+#define UDP_IMAGE_PORT  4242
+
+UdpServer::UdpServer(QObject *parent)
+    : QAbstractItemModel(parent)
+{
+    initSocket();
+}
+
+void UdpServer::initSocket()
+{
+    this->mUdpSocket = new QUdpSocket(this);
+    this->mUdpSocket->bind(QHostAddress::LocalHost, UDP_IMAGE_PORT);
+
+    connect(this->mUdpSocket, &QUdpSocket::readyRead,
+            this, &UdpServer::readPendingDatagrams);
+}
+
+
+void UdpServer::readPendingDatagrams()
+{
+    while (this->mUdpSocket->hasPendingDatagrams()) {
+        QNetworkDatagram datagram = this->mUdpSocket->receiveDatagram();
+        processTheDatagram(datagram);
+    }
+}
+
+void UdpServer::processTheDatagram(QNetworkDatagram datagram) {
+    if (datagram.isValid()) {
+        qDebug() << "Received datagram:" << datagram.data().size();
+    }
+}