internal static IByteBuffer EncodeString0(IByteBufferAllocator alloc, bool enforceHeap, string src, Encoding encoding, int extraCapacity)
{
int length = encoding.GetMaxByteCount(src.Length) + extraCapacity;
bool release = true;
IByteBuffer dst = enforceHeap ? alloc.HeapBuffer(length) : alloc.Buffer(length);
Contract.Assert(dst.HasArray, "Operation expects allocator to operate array-based buffers.");
try
{
int written = encoding.GetBytes(src, 0, src.Length, dst.Array, dst.ArrayOffset + dst.WriterIndex);
dst.SetWriterIndex(dst.WriterIndex + written);
release = false;
return(dst);
}
finally
{
if (release)
{
dst.Release();
}
}
}
public void UnsafeHeapBufferAndUnsafeDirectBuffer()
{
IByteBufferAllocator allocator = this.NewUnpooledAllocator();
IByteBuffer directBuffer = allocator.DirectBuffer();
AssertInstanceOf <UnpooledUnsafeDirectByteBuffer>(directBuffer);
directBuffer.Release();
IByteBuffer heapBuffer = allocator.HeapBuffer();
AssertInstanceOf <UnpooledHeapByteBuffer>(heapBuffer);
heapBuffer.Release();
}
public void HeapBufferWithCapacity(bool preferDirect, int maxCapacity)
{
IByteBufferAllocator allocator = this.NewAllocator(preferDirect);
IByteBuffer buffer = allocator.HeapBuffer(1, maxCapacity);
try
{
AssertBuffer(buffer, false, 1, maxCapacity);
}
finally
{
buffer.Release();
}
}
public void HeapBuffer(bool preferDirect)
{
IByteBufferAllocator allocator = this.NewAllocator(preferDirect);
IByteBuffer buffer = allocator.HeapBuffer(1);
try
{
AssertBuffer(buffer, false, 1, this.DefaultMaxCapacity);
}
finally
{
buffer.Release();
}
}
public void HeapBufferWithCapacity()
{
IByteBufferAllocator allocator = this.NewAllocator();
IByteBuffer buffer = allocator.HeapBuffer(1, 8);
try
{
AssertBuffer(buffer, 1, 8);
}
finally
{
buffer.Release();
}
}
public void PooledHeapBuffer()
{
IByteBufferAllocator allocator = this.NewAllocator();
IByteBuffer heapBuffer = allocator.HeapBuffer();
try
{
Assert.IsAssignableFrom <PooledHeapByteBuffer>(heapBuffer);
}
finally
{
heapBuffer.Release();
}
}
public void UsedHeapMemory()
{
IByteBufferAllocator allocator = this.NewAllocator(true);
IByteBufferAllocatorMetric metric = ((IByteBufferAllocatorMetricProvider)allocator).Metric;
Assert.Equal(0, metric.UsedHeapMemory);
IByteBuffer buffer = allocator.HeapBuffer(1024, 4096);
int capacity = buffer.Capacity;
Assert.Equal(this.ExpectedUsedMemory(allocator, capacity), metric.UsedHeapMemory);
// Double the size of the buffer
buffer.AdjustCapacity(capacity << 1);
capacity = buffer.Capacity;
Assert.Equal(this.ExpectedUsedMemory(allocator, capacity), metric.UsedHeapMemory);
buffer.Release();
Assert.Equal(this.ExpectedUsedMemoryAfterRelease(allocator, capacity), metric.UsedHeapMemory);
}
public IByteBuffer Buffer() => _allocator.HeapBuffer();
