private void RentMemory(BufferSegment segment, int sizeHint)
{
// Segment should be new or reset, otherwise a memory leak could occur
Debug.Assert(segment.MemoryOwner is null);
Debug.Assert(sizeHint >= 0);
MemoryPool <byte>?pool = null;
int maxSize = -1;
if (!_options.IsDefaultSharedMemoryPool)
{
pool = _options.Pool;
maxSize = pool.MaxBufferSize;
}
if (sizeHint <= maxSize)
{
// Use the specified pool as it fits. Specified pool is not null as maxSize == -1 if _pool is null.
segment.SetOwnedMemory(pool !.Rent(GetSegmentSize(sizeHint, maxSize)));
}
else
{
// Use the array pool
int sizeToRequest = GetSegmentSize(sizeHint);
segment.SetOwnedMemory(ArrayPool <byte> .Shared.Rent(sizeToRequest));
}
_writingHeadMemory = segment.AvailableMemory;
}
private BufferSegment AllocateSegment(int sizeHint)
{
Debug.Assert(sizeHint >= 0);
BufferSegment newSegment = CreateSegmentUnsynchronized();
MemoryPool <byte>?pool = null;
int maxSize = -1;
if (!_options.IsDefaultSharedMemoryPool)
{
pool = _options.Pool;
maxSize = pool.MaxBufferSize;
}
if (sizeHint <= maxSize)
{
// Use the specified pool as it fits. Specified pool is not null as maxSize == -1 if _pool is null.
newSegment.SetOwnedMemory(pool !.Rent(GetSegmentSize(sizeHint, maxSize)));
}
else
{
// Use the array pool
int sizeToRequest = GetSegmentSize(sizeHint);
newSegment.SetOwnedMemory(ArrayPool <byte> .Shared.Rent(sizeToRequest));
}
_writingHeadMemory = newSegment.AvailableMemory;
return(newSegment);
}
private BufferSegment AllocateSegment(int sizeHint)
{
BufferSegment newSegment = CreateSegmentUnsynchronized();
if (_pool is null || sizeHint > _pool.MaxBufferSize)
{
// Use the array pool
int sizeToRequest = GetSegmentSize(sizeHint);
newSegment.SetOwnedMemory(ArrayPool <byte> .Shared.Rent(sizeToRequest));
}
private BufferSegment AllocateSegment(int sizeHint)
{
BufferSegment newSegment = CreateSegmentUnsynchronized();
int maxSize = _maxPooledBufferSize;
if (_pool != null && sizeHint <= maxSize)
{
// Use the specified pool as it fits
newSegment.SetOwnedMemory(_pool.Rent(GetSegmentSize(sizeHint, maxSize)));
}
else
{
// Use the array pool
int sizeToRequest = GetSegmentSize(sizeHint);
newSegment.SetOwnedMemory(ArrayPool <byte> .Shared.Rent(sizeToRequest));
}
_writingHeadMemory = newSegment.AvailableMemory;
return(newSegment);
}
private BufferSegment AllocateSegment(int sizeHint)
{
BufferSegment newSegment = CreateSegmentUnsynchronized();
if (_pool is null)
{
// Use the array pool
newSegment.SetOwnedMemory(ArrayPool <byte> .Shared.Rent(GetSegmentSize(sizeHint)));
}
else if (sizeHint <= _pool.MaxBufferSize)
{
// Use the specified pool if it fits
newSegment.SetOwnedMemory(_pool.Rent(GetSegmentSize(sizeHint, _pool.MaxBufferSize)));
}
else
{
// We can't use the pool so allocate an array
newSegment.SetUnownedMemory(new byte[sizeHint]);
}
_tailMemory = newSegment.AvailableMemory;
return(newSegment);
}
private BufferSegment AllocateSegment(int sizeHint)
{
Debug.Assert(sizeHint >= 0);
BufferSegment newSegment = CreateSegmentUnsynchronized();
int maxSize = _maxPooledBufferSize;
if (sizeHint <= maxSize)
{
// Use the specified pool as it fits. Specified pool is not null as maxSize == -1 if _pool is null.
newSegment.SetOwnedMemory(_pool !.Rent(GetSegmentSize(sizeHint, maxSize)));
}
else
{
// Use the array pool
int sizeToRequest = GetSegmentSize(sizeHint);
newSegment.SetOwnedMemory(ArrayPool <byte> .Shared.Rent(sizeToRequest));
}
_tailMemory = newSegment.AvailableMemory;
return(newSegment);
}