public static string DoHexDump(byte[] array, int fromIndex, int length)
{
uint uLength = (uint)length;
if (uLength > SharedConstants.TooBigOrNegative)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(length, ExceptionArgument.length);
}
if (0u >= uLength)
{
return(string.Empty);
}
int endIndex = fromIndex + length;
var buf = new char[length << 1];
int srcIdx = fromIndex;
int dstIdx = 0;
for (; srcIdx < endIndex; srcIdx++, dstIdx += 2)
{
Array.Copy(HexdumpTable, (array[srcIdx] & 0xFF) << 1, buf, dstIdx, 2);
}
return(new string(buf));
}
public unsafe PooledByteBufferAllocator(bool preferDirect, int nHeapArena, int nDirectArena, int pageSize, int maxOrder,
int tinyCacheSize, int smallCacheSize, int normalCacheSize)
: base(preferDirect)
{
if (nHeapArena < 0)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(nHeapArena, ExceptionArgument.nHeapArena);
}
if (nDirectArena < 0)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(nHeapArena, ExceptionArgument.nDirectArena);
}
_threadCache = new PoolThreadLocalCache(this);
_tinyCacheSize = tinyCacheSize;
_smallCacheSize = smallCacheSize;
_normalCacheSize = normalCacheSize;
_chunkSize = ValidateAndCalculateChunkSize(pageSize, maxOrder);
int pageShifts = ValidateAndCalculatePageShifts(pageSize);
if (nHeapArena > 0)
{
_heapArenas = NewArenaArray <byte[]>(nHeapArena);
var metrics = new List <IPoolArenaMetric>(_heapArenas.Length);
for (int i = 0; i < _heapArenas.Length; i++)
{
var arena = new HeapArena(this, pageSize, maxOrder, pageShifts, _chunkSize);
_heapArenas[i] = arena;
metrics.Add(arena);
}
_heapArenaMetrics = metrics.AsReadOnly();
}
else
{
_heapArenas = null;
_heapArenaMetrics = new IPoolArenaMetric[0];
}
if (nDirectArena > 0)
{
_directArenas = NewArenaArray <byte[]>(nDirectArena);
var metrics = new List <IPoolArenaMetric>(_directArenas.Length);
for (int i = 0; i < _directArenas.Length; i++)
{
var arena = new DirectArena(this, pageSize, maxOrder, pageShifts, _chunkSize);
_directArenas[i] = arena;
metrics.Add(arena);
}
_directArenaMetrics = metrics.AsReadOnly();
}
else
{
_directArenas = null;
_directArenaMetrics = new IPoolArenaMetric[0];
}
_metric = new PooledByteBufferAllocatorMetric(this);
}
public int EnsureWritable(int minWritableBytes, bool force)
{
if (minWritableBytes < 0)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(minWritableBytes, ExceptionArgument.minWritableBytes);
}
return(0u >= (uint)minWritableBytes ? 0 : 1);
}
protected void SetMaxCapacity(int newMaxCapacity)
{
if ((uint)newMaxCapacity > SharedConstants.TooBigOrNegative)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(newMaxCapacity, ExceptionArgument.newMaxCapacity);
}
_maxCapacity = newMaxCapacity;
}
protected AbstractByteBuffer(int maxCapacity)
{
if ((uint)maxCapacity > SharedConstants.TooBigOrNegative)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(maxCapacity, ExceptionArgument.maxCapacity);
}
_maxCapacity = maxCapacity;
}
protected void SetMaxCapacity(int newMaxCapacity)
{
if (newMaxCapacity < 0)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(newMaxCapacity, ExceptionArgument.newMaxCapacity);
}
_maxCapacity = newMaxCapacity;
}
public int EnsureWritable(int minWritableBytes, bool force)
{
if ((uint)minWritableBytes > SharedConstants.TooBigOrNegative)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(minWritableBytes, ExceptionArgument.minWritableBytes);
}
return(0u >= (uint)minWritableBytes ? 0 : 1);
}
void CheckLength0(int length)
{
if ((uint)length > SharedConstants.TooBigOrNegative)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(length, ExceptionArgument.length);
}
if ((uint)length > 0u)
{
ThrowHelper.ThrowIndexOutOfRangeException();
}
}
private static void ThrowInvalidNewCapacity(int minNewCapacity, int maxCapacity)
{
if ((uint)minNewCapacity > SharedConstants.TooBigOrNegative)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(minNewCapacity, ExceptionArgument.minNewCapacity);
}
if (minNewCapacity > maxCapacity)
{
ThrowHelper.ThrowArgumentOutOfRangeException_MaxCapacity(minNewCapacity, maxCapacity);
}
}
private static void ThrowInvalidNewCapacity(int minNewCapacity, int maxCapacity)
{
if (minNewCapacity < 0)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(minNewCapacity, ExceptionArgument.minNewCapacity);
}
if (minNewCapacity > maxCapacity)
{
ThrowHelper.ThrowArgumentOutOfRangeException_MaxCapacity(minNewCapacity, maxCapacity);
}
}
void CheckLength0(int length)
{
if (length < 0)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(length, ExceptionArgument.length);
}
if (length > 0)
{
ThrowHelper.ThrowIndexOutOfRangeException();
}
}
void CheckIndex0(int index, int length)
{
if (length < 0)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(length, ExceptionArgument.length);
}
if ((uint)index > 0u || length > 0)
{
ThrowHelper.ThrowIndexOutOfRangeException();
}
}
static void ThrowInvalidInitialCapacity(int initialCapacity, int maxCapacity)
{
if (initialCapacity < 0)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(initialCapacity, ExceptionArgument.initialCapacity);
}
if (initialCapacity > maxCapacity)
{
ThrowHelper.ThrowArgumentOutOfRangeException_InitialCapacity(initialCapacity, maxCapacity);
}
}
static void ThrowInvalidInitialCapacity(int initialCapacity, int maxCapacity)
{
if ((uint)initialCapacity > SharedConstants.TooBigOrNegative)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(initialCapacity, ExceptionArgument.initialCapacity);
}
if (initialCapacity > maxCapacity)
{
ThrowHelper.ThrowArgumentOutOfRangeException_InitialCapacity(initialCapacity, maxCapacity);
}
}
public IByteBuffer EnsureWritable(int minWritableBytes)
{
if (minWritableBytes < 0)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(minWritableBytes, ExceptionArgument.minWritableBytes);
}
if (minWritableBytes != 0)
{
ThrowHelper.ThrowIndexOutOfRangeException();
}
return(this);
}
public IByteBuffer EnsureWritable(int minWritableBytes)
{
if ((uint)minWritableBytes > SharedConstants.TooBigOrNegative)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(minWritableBytes, ExceptionArgument.minWritableBytes);
}
if (minWritableBytes != 0)
{
ThrowHelper.ThrowIndexOutOfRangeException();
}
return(this);
}
internal int NormalizeCapacity(int reqCapacity)
{
uint ureqCapacity = (uint)reqCapacity;
if (ureqCapacity > SharedConstants.TooBigOrNegative)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(reqCapacity, ExceptionArgument.reqCapacity);
}
if (ureqCapacity >= (uint)ChunkSize)
{
return(reqCapacity);
}
if (!IsTiny(reqCapacity))
{
// >= 512
// Doubled
int normalizedCapacity = reqCapacity;
normalizedCapacity--;
normalizedCapacity |= normalizedCapacity.RightUShift(1);
normalizedCapacity |= normalizedCapacity.RightUShift(2);
normalizedCapacity |= normalizedCapacity.RightUShift(4);
normalizedCapacity |= normalizedCapacity.RightUShift(8);
normalizedCapacity |= normalizedCapacity.RightUShift(16);
normalizedCapacity++;
if (normalizedCapacity < 0)
{
normalizedCapacity = normalizedCapacity.RightUShift(1);
}
return(normalizedCapacity);
}
// Quantum-spaced
if (0u >= (uint)(reqCapacity & 15))
{
return(reqCapacity);
}
return((reqCapacity & ~15) + 16);
}
public UnpooledUnsafeDirectByteBuffer(IByteBufferAllocator alloc, int initialCapacity, int maxCapacity)
: base(maxCapacity)
{
if (alloc is null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.alloc);
}
if ((uint)initialCapacity > SharedConstants.TooBigOrNegative)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(initialCapacity, ExceptionArgument.initialCapacity);
}
//if ((uint)maxCapacity > SharedConstants.TooBigOrNegative) { ThrowHelper.ThrowArgumentException_PositiveOrZero(maxCapacity, ExceptionArgument.maxCapacity); }
if ((uint)initialCapacity > (uint)maxCapacity)
{
ThrowHelper.ThrowArgumentException_InitialCapacity(initialCapacity, maxCapacity);
}
_allocator = alloc;
SetByteBuffer(NewArray(initialCapacity), false);
}
public UnpooledUnsafeDirectByteBuffer(IByteBufferAllocator alloc, int initialCapacity, int maxCapacity)
: base(maxCapacity)
{
if (alloc is null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.alloc);
}
if (initialCapacity < 0)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(initialCapacity, ExceptionArgument.initialCapacity);
}
if (maxCapacity < 0)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(maxCapacity, ExceptionArgument.maxCapacity);
}
if (initialCapacity > maxCapacity)
{
ThrowHelper.ThrowArgumentException_InitialCapacity(initialCapacity, maxCapacity);
}
_allocator = alloc;
SetByteBuffer(NewArray(initialCapacity), false);
}
// TODO: Test if adding padding helps under contention
//private long pad0, pad1, pad2, pad3, pad4, pad5, pad6, pad7;
internal PoolThreadCache(PoolArena <T> heapArena, PoolArena <T> directArena,
int tinyCacheSize, int smallCacheSize, int normalCacheSize,
int maxCachedBufferCapacity, int freeSweepAllocationThreshold)
{
if (maxCachedBufferCapacity < 0)
{
ThrowHelper.ThrowArgumentException_PositiveOrZero(maxCachedBufferCapacity, ExceptionArgument.maxCachedBufferCapacity);
}
_freeSweepAllocationThreshold = freeSweepAllocationThreshold;
HeapArena = heapArena;
DirectArena = directArena;
if (directArena is object)
{
tinySubPageDirectCaches = CreateSubPageCaches(
tinyCacheSize, PoolArena <T> .NumTinySubpagePools, SizeClass.Tiny);
smallSubPageDirectCaches = CreateSubPageCaches(
smallCacheSize, directArena.NumSmallSubpagePools, SizeClass.Small);
_numShiftsNormalDirect = Log2(directArena.PageSize);
normalDirectCaches = CreateNormalCaches(
normalCacheSize, maxCachedBufferCapacity, directArena);
directArena.IncrementNumThreadCaches();
}
else
{
// No directArea is configured so just null out all caches
tinySubPageDirectCaches = null;
smallSubPageDirectCaches = null;
normalDirectCaches = null;
_numShiftsNormalDirect = -1;
}
if (heapArena is object)
{
// Create the caches for the heap allocations
tinySubPageHeapCaches = CreateSubPageCaches(
tinyCacheSize, PoolArena <T> .NumTinySubpagePools, SizeClass.Tiny);
smallSubPageHeapCaches = CreateSubPageCaches(
smallCacheSize, heapArena.NumSmallSubpagePools, SizeClass.Small);
_numShiftsNormalHeap = Log2(heapArena.PageSize);
normalHeapCaches = CreateNormalCaches(
normalCacheSize, maxCachedBufferCapacity, heapArena);
heapArena.IncrementNumThreadCaches();
}
else
{
// No heapArea is configured so just null out all caches
tinySubPageHeapCaches = null;
smallSubPageHeapCaches = null;
normalHeapCaches = null;
_numShiftsNormalHeap = -1;
}
// We only need to watch the thread when any cache is used.
if (tinySubPageDirectCaches is object || smallSubPageDirectCaches is object || normalDirectCaches is object ||
tinySubPageHeapCaches is object || smallSubPageHeapCaches is object || normalHeapCaches is object)
{
if (freeSweepAllocationThreshold < 1)
{
ThrowHelper.ThrowArgumentException_Positive(freeSweepAllocationThreshold, ExceptionArgument.freeSweepAllocationThreshold);
}
_freeTask = Free0;
_deathWatchThread = Thread.CurrentThread;
// The thread-local cache will keep a list of pooled buffers which must be returned to
// the pool when the thread is not alive anymore.
ThreadDeathWatcher.Watch(_deathWatchThread, _freeTask);
}
else
{
_freeTask = null;
_deathWatchThread = null;
}
}
