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using System;
namespace XUtliPoolLib
{
public class SmallBufferPool<T>
{
public T[] buffer;
public BufferBlock[] blocks;
private BlockInfo[] blockInitRef;
public int allocBlockCount = 0;
public void Init(BlockInfo[] blockInit, int tSize)
{
this.blockInitRef = blockInit;
int num = 0;
int num2 = 0;
int i = 0;
int num3 = blockInit.Length;
while (i < num3)
{
BlockInfo blockInfo = blockInit[i];
num += blockInfo.count;
num2 += blockInfo.size * blockInfo.count;
i++;
}
this.buffer = new T[num2];
this.blocks = new BufferBlock[num];
BufferPoolMgr.TotalCount += num2 * tSize + num * 17;
int num4 = 0;
int num5 = 0;
int j = 0;
int num6 = blockInit.Length;
while (j < num6)
{
BlockInfo blockInfo2 = blockInit[j];
int k = 0;
int count = blockInfo2.count;
while (k < count)
{
BufferBlock bufferBlock = this.blocks[num4];
bufferBlock.offset = num5;
bufferBlock.size = 0;
bufferBlock.capacity = blockInfo2.size;
bufferBlock.blockIndex = num4;
bufferBlock.inUse = false;
this.blocks[num4] = bufferBlock;
num5 += blockInfo2.size;
num4++;
k++;
}
j++;
}
}
private bool InnerGetBlock(ref BufferBlock block, int size, int initSize)
{
int num = 0;
int i = 0;
int num2 = this.blockInitRef.Length;
while (i < num2)
{
BlockInfo blockInfo = this.blockInitRef[i];
bool flag = blockInfo.size >= size;
if (flag)
{
int j = num;
int num3 = num + blockInfo.count;
while (j < num3)
{
BufferBlock bufferBlock = this.blocks[j];
bool flag2 = !bufferBlock.inUse;
if (flag2)
{
bufferBlock.size = ((initSize < bufferBlock.capacity) ? initSize : bufferBlock.capacity);
bufferBlock.inUse = true;
this.blocks[j] = bufferBlock;
block = bufferBlock;
this.allocBlockCount++;
return true;
}
j++;
}
}
else
{
num += blockInfo.count;
}
i++;
}
block.blockIndex = -1;
block.capacity = size;
block.size = ((initSize < size) ? initSize : size);
block.inUse = true;
return false;
}
private void InnerGetBlock(ref SmallBuffer<T> sb, int size, int initSize)
{
BufferBlock bufferBlock = default(BufferBlock);
bool flag = this.InnerGetBlock(ref bufferBlock, size, initSize);
if (flag)
{
sb.Init(bufferBlock, this);
sb.DeepClear();
}
else
{
sb.Init(bufferBlock, this, new T[bufferBlock.capacity]);
XSingleton<XDebug>.singleton.AddWarningLog2("not enough buff size:{0}", new object[]
{
bufferBlock.capacity
});
BufferPoolMgr.AllocSize += bufferBlock.capacity;
}
}
public void GetBlock(ref SmallBuffer<T> sb, int size, int initSize = 0)
{
bool isInit = sb.IsInit;
if (!isInit)
{
this.InnerGetBlock(ref sb, size, initSize);
}
}
public void ExpandBlock(ref SmallBuffer<T> sb, int size)
{
this.InnerGetBlock(ref sb, size, 0);
}
public void ReturnBlock(ref SmallBuffer<T> sb)
{
BufferBlock bufferBlock = sb.bufferBlock;
bool inUse = bufferBlock.inUse;
if (inUse)
{
bufferBlock.size = 0;
bufferBlock.inUse = false;
bool flag = bufferBlock.blockIndex >= 0;
if (flag)
{
this.blocks[bufferBlock.blockIndex] = bufferBlock;
this.allocBlockCount--;
}
sb.debugName = "";
sb.UnInit();
}
}
}
}
|
