even more changes

Signed-off-by: Paulchen-Panther <Paulchen--Panter@gmx.net>

include/utils/NetUtils.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <utils/Logger.h>
+
+#include <QTcpServer>
+
+namespace NetUtils {
+	///
+	/// @brief Check if the port is available for listening
+	/// @param[in/out] port  The port to test, will be incremented if port is in use
+	/// @param         log   The logger of the caller to print
+	/// @return        True on success else false
+	///
+	static const bool portAvailable(quint16& port, Logger* log)
+	{
+		const quint16 prevPort = port;
+		QTcpServer server;
+		bool corrected = false;
+		while (!server.listen(QHostAddress::Any, port))
+		{
+			corrected = true;
+			Warning(log,"Port '%d' is already in use, will increment", port);
+			port ++;
+		}
+		server.close();
+		if(corrected)
+		{
+			Warning(log, "The requested Port '%d' was already in use, will use Port '%d' instead", prevPort, port);
+			return false;
+		}
+		return true;
+	}
+
+}