/// <summary>
/// Compacts the specified from buffer.
/// </summary>
/// <param name="fromBuffer">From buffer.</param>
/// <param name="indexs">The indexes.</param>
public static void Compact(ref InternalStorageBuffer fromBuffer, ref ConcurrentDictionary <string, BinaryStorageKey> indexs)
{
scrubBuffer.ResetBuffer();
foreach (var storageKey in indexs.Keys)
{
// Scrub out old data ;)
BinaryStorageKey tmpKey;
if (indexs.TryRemove(storageKey, out tmpKey))
{
long pos = tmpKey.Position;
int len = tmpKey.Length;
var bytes = fromBuffer.FetchFromBuffer(pos, len);
var idx = scrubBuffer.InsertSegment(bytes);
tmpKey.Position = idx;
indexs[storageKey] = tmpKey;
}
}
// now copy over the data ;)
fromBuffer.ResetBuffer();
scrubBuffer.TransferTo(ref fromBuffer);
}
private void MoveBufferToFile()
{
// time to dump buffer
var offSet = _file.Length;
_file.Seek(offSet, SeekOrigin.Begin);
_file.Write(_internalBuffer.Buffer, 0, _internalBuffer.UsedStorage);
foreach (var tmpKey in _bufferIndexes.Keys)
{
BinaryStorageKey bufferKeyValue;
if (!_bufferIndexes.TryRemove(tmpKey, out bufferKeyValue))
{
throw new Exception("Invalid Buffer State [ " + tmpKey + " ]");
}
var newPos = offSet + bufferKeyValue.Position;
var newLen = bufferKeyValue.Length;
BinaryStorageKey tmp;
if (_lstIndexes.TryGetValue(tmpKey, out tmp))
{
// adjust pos to reflect location in file ;)
tmp.Length = newLen;
tmp.Position = newPos;
_lstIndexes[tmpKey] = tmp;
}
else
{
tmp = new BinaryStorageKey {
Length = newLen, Position = newPos
};
_lstIndexes.TryAdd(tmpKey, tmp);
}
}
// reset buffer and try again ;)
_internalBuffer.ResetBuffer();
}