Added socket data transfer

Added one common class used to transfer data using socket. This class is
used both from the Octave plugins and from the socket server code in
ResInsight

ApplicationCode/SocketInterface/RiaSocketDataTransfer.h

@@ -0,0 +1,36 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) Statoil ASA, Ceetron Solutions AS
+// 
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+// 
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+// 
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html> 
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#include <QTcpSocket>
+#include <QStringList>
+
+//==================================================================================================
+///  Utility class used for transfer of data using QTcpSocket
+///
+///  As the compile configuration for octave plugins is quite complex, 
+//   the octave plugins includes the cpp-file to be able to compile only one file per plugin
+//==================================================================================================
+class RiaSocketDataTransfer
+{
+public:
+    static size_t doubleValueCountInBlock();
+
+public:
+    static bool writeBlockDataToSocket(QTcpSocket* socket, const char* data, quint64 bytesToWrite, QStringList& errorMessages);
+    static bool readBlockDataFromSocket(QTcpSocket* socket, char* data, quint64 bytesToRead, QStringList& errorMessages);
+};