private void openOrCreateMemoryAndWriteData <T>(T data)
{
mutex.WaitOne();
try
{
mapFile = MemoryMappedFile.Open(MapAccess.FileMapAllAccess, fileName);
}
catch
{
mapFile = MemoryMappedFile.Create(MapProtection.PageReadWrite, 8 * 1024, fileName);
}
Stream writer = mapFile.MapView(MapAccess.FileMapAllAccess, 0, 8 * 1024);
char[] charArrayOfObject = serializeToXml <T>(data).ToCharArray();
for (int i = 0; i < charArrayOfObject.Length; i++)
{
writer.WriteByte((byte)charArrayOfObject[i]);
}
writer.Flush();
writer.Close();
mutex.ReleaseMutex();
}
private void readDataFromMemory()
{
if (mapFile == null)
{
try
{
mapFile = MemoryMappedFile.Open(MapAccess.FileMapAllAccess, fileName);
}
catch
{
mapFile = null;
throw new Exception("File " + fileName + " is not opened yet.");
}
}
try
{
reader = mapFile.MapView(MapAccess.FileMapRead, 0, 8 * 1024);
}
catch (Exception)
{
Debug.WriteLine("Error in Reading");
}
getObjectFromMMF <TestData>();
}
protected void MapView(ref long viewStartIdx, ref long viewSize)
{
// Now map the view
_viewBaseAddr = _backingFile.MapView(_access, viewStartIdx, viewSize);
_viewStartIdx = viewStartIdx;
_viewSize = viewSize;
}