public byte[] GetBuffer()
{
if (_availableCells > 0)
{
MemoryManager.MemoryCell cellsListHeadCell = null;
lock (_cellsListLock)
{
if (_availableCells > 0)
{
if (_cellsListHeadCell != null)
{
cellsListHeadCell = _cellsListHeadCell;
_cellsListHeadCell = cellsListHeadCell.NextCell;
cellsListHeadCell.NextCell = null;
}
else
{
cellsListHeadCell = new MemoryManager.MemoryCell(BufferSize);
_allocatedCells++;
}
_availableCells--;
}
}
if (cellsListHeadCell != null)
{
_cellsInUse.TryAdd(cellsListHeadCell.Buffer, cellsListHeadCell);
return(cellsListHeadCell.Buffer);
}
}
return(null);
}
public MemoryPool(int cellsCount, int bufferSize)
{
BufferSize = bufferSize;
_availableCells = cellsCount;
_allocatedCells = 0;
_cellsListLock = new object();
_cellsListHeadCell = null;
_cellsInUse = new ConcurrentDictionary <byte[], MemoryManager.MemoryCell>();
}
public void ReleaseUnusedBuffers()
{
lock (_cellsListLock)
{
while (_cellsListHeadCell != null)
{
MemoryManager.MemoryCell cell = _cellsListHeadCell;
_cellsListHeadCell = _cellsListHeadCell.NextCell;
cell.NextCell = null;
}
}
}
public void AddBuffer(byte[] buffer)
{
MemoryManager.MemoryCell cell;
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if (buffer.Length != BufferSize)
{
throw new ArgumentException("Buffer is not of right size. Expected size " + BufferSize, "buffer");
}
if (!_cellsInUse.TryRemove(buffer, out cell))
{
throw new ArgumentException("Buffer not created by this pool", "buffer");
}
lock (_cellsListLock)
{
cell.NextCell = _cellsListHeadCell;
_cellsListHeadCell = cell;
_availableCells++;
}
}
public void ReleaseUnusedBuffers()
{
lock (_cellsListLock)
{
while (_cellsListHeadCell != null)
{
MemoryManager.MemoryCell cell = _cellsListHeadCell;
_cellsListHeadCell = _cellsListHeadCell.NextCell;
cell.NextCell = null;
}
}
}
public byte[] GetBuffer()
{
if (_availableCells > 0)
{
MemoryManager.MemoryCell cellsListHeadCell = null;
lock (_cellsListLock)
{
if (_availableCells > 0)
{
if (_cellsListHeadCell != null)
{
cellsListHeadCell = _cellsListHeadCell;
_cellsListHeadCell = cellsListHeadCell.NextCell;
cellsListHeadCell.NextCell = null;
}
else
{
cellsListHeadCell = new MemoryManager.MemoryCell(BufferSize);
_allocatedCells++;
}
_availableCells--;
}
}
if (cellsListHeadCell != null)
{
_cellsInUse.TryAdd(cellsListHeadCell.Buffer, cellsListHeadCell);
return cellsListHeadCell.Buffer;
}
}
return null;
}
public void AddBuffer(byte[] buffer)
{
MemoryManager.MemoryCell cell;
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if (buffer.Length != BufferSize)
{
throw new ArgumentException("Buffer is not of right size. Expected size " + BufferSize, "buffer");
}
if (!_cellsInUse.TryRemove(buffer, out cell))
{
throw new ArgumentException("Buffer not created by this pool", "buffer");
}
lock (_cellsListLock)
{
cell.NextCell = _cellsListHeadCell;
_cellsListHeadCell = cell;
_availableCells++;
}
}
public MemoryPool(int cellsCount, int bufferSize)
{
BufferSize = bufferSize;
_availableCells = cellsCount;
_allocatedCells = 0;
_cellsListLock = new object();
_cellsListHeadCell = null;
_cellsInUse = new ConcurrentDictionary<byte[], MemoryManager.MemoryCell>();
}