/// <summary>
/// Initializes a new instance of the <see cref="BufferPool"/> class.
/// </summary>
/// <param name="initialBufferCount">The number of initial buffers.</param>
/// <param name="bufferManager">The buffer manager.</param>
public BufferPool(int initialBufferCount, BufferManager bufferManager)
{
if (initialBufferCount <= 0)
throw new ArgumentException("initialBufferCount");
if (bufferManager == null)
throw new ArgumentNullException("bufferManager");
_length = 0;
_buffers = new List<ArraySegment<byte>>(bufferManager.CheckOut(initialBufferCount));
// must have 1 buffer
_chunkSize = _buffers[0].Count;
_bufferManager = bufferManager;
_disposed = false;
}
private void EnsureCapacity(Position position)
{
if (position.Index >= _buffers.Count)
{
foreach (ArraySegment <byte> buffer in _bufferManager.CheckOut(position.Index + 1 - _buffers.Count))
{
if (buffer.Count != _chunkSize)
{
throw new Exception("Received a buffer of the wrong size: this shouldn't happen, ever.");
}
_buffers.Add(buffer);
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="BufferPool"/> class.
/// </summary>
/// <param name="initialBufferCount">The number of initial buffers.</param>
/// <param name="bufferManager">The buffer manager.</param>
public BufferPool(int initialBufferCount, BufferManager bufferManager)
{
if (initialBufferCount <= 0)
{
throw new ArgumentException("initialBufferCount");
}
if (bufferManager == null)
{
throw new ArgumentNullException("bufferManager");
}
_length = 0;
_buffers = new List <ArraySegment <byte> >(bufferManager.CheckOut(initialBufferCount));
// must have 1 buffer
_chunkSize = _buffers[0].Count;
_bufferManager = bufferManager;
_disposed = false;
}