private void InitBufferWithSubpage(PooledByteBuffer buf, long handle, int bitmapIdx, int reqCapacity)
{
var memoryMapIdx = (int)handle;
var idx = this.PageIdx(memoryMapIdx);
var subpage = _subpages[idx];
buf.Init(this, handle, this.RunOffset(memoryMapIdx) + (bitmapIdx & 0x3FFFFFFF) * subpage.ElemSize, reqCapacity, subpage.ElemSize);
}
public void InitBuffer(PooledByteBuffer buffer, long handle, int reqCapacity)
{
int memoryMapIdx = (int)handle;
int bitmapIdx = (int)(handle >> 32);
if (bitmapIdx == 0)
{
//=pagesize
buffer.Init(this, handle, this.RunOffset(memoryMapIdx), reqCapacity, this.RunLength(memoryMapIdx));
}
else
{
this.InitBufferWithSubpage(buffer, handle, bitmapIdx, reqCapacity);
}
}
public void Allocate(PooledByteBuffer buffer, int reqCapacity)
{
var normCapacity = this.NormalizeCapacity(reqCapacity);
if (this.IsTinyOrSmall(normCapacity))
{
var tableIdx = 0;
PoolPage[] table;
if ((normCapacity & 0xFFFFFE00) == 0)
{
tableIdx = normCapacity >> 4;
table = _tinySubpagePools;
}
else
{
tableIdx = 0;
var i = normCapacity >> 10;//1024
while (i != 0)
{
i >>= 1;
tableIdx++;
}
table = _smallSubpagePools;
}
lock (_sync)
{
var head = table[tableIdx];
var s = head.Next;
if (s != head)
{
long handle = s.Allocate();
s.Chunk.InitBufferWithSubpage(buffer, handle, reqCapacity);
return;
}
}
}
else if (normCapacity > _chunkSize)
{
var unpooledChunk = new PoolChunk(this, normCapacity);
buffer.Init(unpooledChunk, 0, 0, reqCapacity, normCapacity);
return;
}
this.Allocate(buffer, reqCapacity, normCapacity);
}
public void Allocate(PooledByteBuffer buffer, int reqCapacity)
{
var normCapacity = this.NormalizeCapacity(reqCapacity);
if (this.IsTinyOrSmall(normCapacity))
{
var tableIdx = 0;
PoolPage[] table;
if ((normCapacity & 0xFFFFFE00) == 0)
{
tableIdx = normCapacity >> 4;
table = _tinySubpagePools;
}
else
{
tableIdx = 0;
var i = normCapacity >> 10;//1024
while (i != 0)
{
i >>= 1;
tableIdx++;
}
table = _smallSubpagePools;
}
lock (_sync)
{
var head = table[tableIdx];
var s = head.Next;
if (s != head)
{
long handle = s.Allocate();
s.Chunk.InitBufferWithSubpage(buffer, handle, reqCapacity);
return;
}
}
}
else if (normCapacity > _chunkSize)
{
var unpooledChunk = new PoolChunk(this, normCapacity);
buffer.Init(unpooledChunk, 0, 0, reqCapacity, normCapacity);
return;
}
this.Allocate(buffer, reqCapacity, normCapacity);
}
private void InitBufferWithSubpage(PooledByteBuffer buf, long handle, int bitmapIdx, int reqCapacity)
{
var memoryMapIdx = (int)handle;
var idx = this.PageIdx(memoryMapIdx);
var subpage = _subpages[idx];
buf.Init(this, handle, this.RunOffset(memoryMapIdx) + (bitmapIdx & 0x3FFFFFFF) * subpage.ElemSize, reqCapacity, subpage.ElemSize);
}
public void InitBuffer(PooledByteBuffer buffer, long handle, int reqCapacity)
{
int memoryMapIdx = (int)handle;
int bitmapIdx = (int)(handle >> 32);
if (bitmapIdx == 0)
{
//=pagesize
buffer.Init(this, handle, this.RunOffset(memoryMapIdx), reqCapacity, this.RunLength(memoryMapIdx));
}
else
{
this.InitBufferWithSubpage(buffer, handle, bitmapIdx, reqCapacity);
}
}