public MemorySegmentByteBuffer WrapMemorySegment(IntPtr dataPtr, int filledSize)
{
IntPtr memSegPtr = MemorySegment.GetMemSegPtrByDataPtr(dataPtr);
MemorySegmentByteBuffer byteBuf = GetByteBufCore();
byteBuf.Attach(memSegPtr);
byteBuf.SetWrite(filledSize);
return(byteBuf);
}
public void TestHeader()
{
IntPtr ptrFirst = IntPtr.Zero;
IntPtr ptrSecond = IntPtr.Zero;
try
{
Assert.True(IntPtr.Size == 8);
ptrFirst = Alloc(10);
ptrSecond = Alloc(10);
MemorySegment.SetNext(ptrFirst, IntPtr.Zero);
MemorySegment.SetPrev(ptrSecond, IntPtr.Zero);
MemorySegment.SetSize(ptrFirst, 0);
MemorySegment.SetSize(ptrSecond, 0);
MemorySegment.SetUsed(ptrFirst, 0);
MemorySegment.SetUsed(ptrSecond, 0);
Assert.True(MemorySegment.GetNext(ptrFirst) == IntPtr.Zero);
Assert.True(MemorySegment.GetPrev(ptrSecond) == IntPtr.Zero);
Assert.True(MemorySegment.GetSize(ptrFirst) == 0);
Assert.True(MemorySegment.GetSize(ptrSecond) == 0);
Assert.True(MemorySegment.GetUsed(ptrFirst) == 0);
Assert.True(MemorySegment.GetUsed(ptrSecond) == 0);
MemorySegment.SetNext(ptrFirst, ptrSecond);
MemorySegment.SetPrev(ptrSecond, ptrFirst);
MemorySegment.SetSize(ptrFirst, 10);
MemorySegment.SetSize(ptrSecond, 9);
MemorySegment.SetUsed(ptrFirst, 8);
MemorySegment.SetUsed(ptrSecond, 4);
Assert.True(MemorySegment.GetNext(ptrFirst) == ptrSecond);
Assert.True(MemorySegment.GetPrev(ptrSecond) == ptrFirst);
Assert.True(MemorySegment.GetSize(ptrFirst) == 10);
Assert.True(MemorySegment.GetSize(ptrSecond) == 9);
Assert.True(MemorySegment.GetUsed(ptrFirst) == 8);
Assert.True(MemorySegment.GetUsed(ptrSecond) == 4);
Assert.True(
MemorySegment.GetUsed(ptrFirst) ==
MemorySegment.GetUsed(
MemorySegment.GetMemSegPtrByDataPtr(
MemorySegment.GetDataPtr(ptrFirst)
)
)
);
}
finally
{
Release(ptrFirst);
Release(ptrSecond);
}
}
