private void SeekBackward(int offset)
{
SimpleByteBufNode node = _node;
int writeIndex = _writeIndex;
int nextWrited = _nextWrited;
int readIndex = _readIndex - offset;
while (readIndex < -1)
{
nextWrited += node.Used;
node = node.Prev;
writeIndex = node.Used;
readIndex += writeIndex;
}
_node = node;
_nodeSize = _node.Size;
_data = _node.Data;
_writeIndex = writeIndex;
_nextWrited = nextWrited;
_readIndex = readIndex;
}
private void SeekForward(int offset)
{
SimpleByteBufNode node = _node;
int writeIndex = _writeIndex;
int nextWrited = _nextWrited;
int readIndex = _readIndex + offset;
while (readIndex > writeIndex)
{
node = node.Next;
int used = node.Used;
readIndex -= writeIndex + 1;
writeIndex = used - 1;
nextWrited -= used;
}
_node = node;
_nodeSize = _node.Size;
_data = _node.Data;
_writeIndex = writeIndex;
_nextWrited = nextWrited;
_readIndex = readIndex;
}
public override void Append(ByteBuf byteBuf)
{
var simpleByteBuf = (SimpleByteBuf)byteBuf;
SimpleByteBufNode next = simpleByteBuf._node;
_lastNode.Next = next;
next.Prev = _lastNode;
_lastNode = simpleByteBuf._lastNode;
_nextWrited += simpleByteBuf._nextWrited + next.Used;
//_byteBufProvider.Release(simpleByteBuf);
}
public void Attach(byte[] data, int size, int used)
{
SimpleByteBufNode node = new SimpleByteBufNode()
{
Data = data, Size = size, Used = used
};
_node = node;
_nodeSize = size;
_data = data;
_lastNode = node;
_writeIndex = used - 1;
_nextWrited = 0;
_readIndex = -1;
_released = false;
}
public override void ReleaseReaded()
{
return;
SimpleByteBufNode prev = _node.Prev;
// Отвязываем от текущего.
_node.Prev = null;
while (prev != null)
{
SimpleByteBufNode toRelease = prev;
prev = prev.Prev;
toRelease.Prev = null;
toRelease.Next = null;
//_byteBufProvider.Release(toRelease);
}
}
public override void Release()
{
return;
ReleaseReaded();
SimpleByteBufNode next = _node;
while (next != null)
{
SimpleByteBufNode toRelease = next;
next = next.Next;
toRelease.Prev = null;
toRelease.Next = null;
//_byteBufProvider.Release(toRelease);
}
//_byteBufProvider.Release(this);
_released = true;
}