public void Align8_long()
{
Aver.AreEqual(8, IntMath.Align8(3L));
Aver.AreEqual(40, IntMath.Align8(33L));
Aver.AreEqual(0, IntMath.Align8(0L));
Aver.AreEqual(8, IntMath.Align8(8L));
Aver.AreEqual(16, IntMath.Align8(16L));
Aver.AreEqual(24, IntMath.Align8(17L));
Aver.AreEqual(128, IntMath.Align8(127L));
Aver.AreEqual(128, IntMath.Align8(128L));
Aver.AreEqual(136, IntMath.Align8(129L));
Aver.AreEqual(0, IntMath.Align8(-5L));
Aver.AreEqual(-8, IntMath.Align8(-10L));
}
public void Align8_int()
{
Aver.AreEqual(8, IntMath.Align8(3));
Aver.AreEqual(40, IntMath.Align8(33));
Aver.AreEqual(0, IntMath.Align8(0));
Aver.AreEqual(8, IntMath.Align8(8));
Aver.AreEqual(16, IntMath.Align8(16));
Aver.AreEqual(24, IntMath.Align8(17));
Aver.AreEqual(128, IntMath.Align8(127));
Aver.AreEqual(128, IntMath.Align8(128));
Aver.AreEqual(136, IntMath.Align8(129));
Aver.AreEqual(0, IntMath.Align8(-5));
Aver.AreEqual(-8, IntMath.Align8(-10));
}
//must be under lock
//tries to allocate the payload size in this segment ant put payload bytes in.
// returns -1 when could not find spot. does not do crawl
public int Allocate(byte[] payloadBuffer, int serializedSize, int allocPayloadSize, byte serVer, bool isLink)
{
allocPayloadSize = IntMath.Align8(allocPayloadSize);
var allocSize = allocPayloadSize + CHUNK_HDER_SZ;
var fcs = Pile.FreeChunkSizes;
//Larger than the largest tracked free chunk
if (allocSize > fcs[fcs.Length - 1])
{
var address = scanForFreeLarge(allocPayloadSize);
if (address < 0)
{
return(-1);//no space in this segment to fit large payload
}
allocChunk(address, payloadBuffer, serializedSize, allocPayloadSize, serVer, isLink);
return(address);
}
//else try to get a chunk from size-bucketed list
for (var i = 0; i < fcs.Length; i++)
{
if (allocSize <= fcs[i])
{
var freeList = FreeChunks[i];
if (freeList.CurrentIndex >= 0)//slot found
{
var address = freeList.Addresses[freeList.CurrentIndex];
freeList.CurrentIndex--;
allocChunk(address, payloadBuffer, serializedSize, allocPayloadSize, serVer, isLink);
return(address);
} //slot found
} //<fcs
}
return(-1);
}