/// <summary>
/// Gets an instance of an <see cref="AutoRecyclingArray"/>.
/// </summary>
/// <param name="minLength">The minimumn number of bytes to start with.</param>
/// <returns>The array.</returns>
// TODO DR3 use Caller Information Attributes to improve debugging
internal static AutoRecyclingArray Create(int minLength)
{
AutoRecyclingArray array = ObjectCache.GetAutoRecyclingArray();
array.isCurrentlyLoungingInAPool = false;
array.Buffer = ObjectCache.GetMemory(minLength);
Interlocked.Exchange(ref array.referenceCount, 1);
return(array);
}
public static void ReturnAutoRecyclingArray(AutoRecyclingArray autoRecyclingArray)
{
if (!initialized)
{
ThreadInitialize();
}
#if DEBUG
ObjectCacheTestHelper.AutoRecyclingArrayWasReturned();
#endif
autoRecyclingArrayPool.ReturnInstance(autoRecyclingArray);
}
/// <summary>
/// Ensures the buffer is greater than or equal to the specified length.
/// </summary>
/// <param name="newLength">The desired length.</param>
internal void EnsureLength(int newLength)
{
if (newLength > backingBuffer.Buffer.Length)
{
//Get a new buffer and copy over data
AutoRecyclingArray newBackingBuffer = AutoRecyclingArray.Create(newLength);
Array.Copy(backingBuffer.Buffer, newBackingBuffer.Buffer, backingBuffer.Buffer.Length);
// Swap out the buffer
//We're removing a reference to a reference counted object so we need to decrement the count
backingBuffer.DecrementReference();
backingBuffer = newBackingBuffer;
}
}
/// <summary>
/// Creates a new message buffer with a given minimum capacity in the backing buffer.
/// </summary>
/// <param name="minCapacity">The minimum number of bytes in the buffer.</param>
/// <returns>The new message buffer.</returns>
public static MessageBuffer Create(int minCapacity)
{
AutoRecyclingArray array = AutoRecyclingArray.Create(minCapacity);
MessageBuffer buffer = ObjectCache.GetMessageBuffer();
buffer.isCurrentlyLoungingInAPool = false;
buffer.backingBuffer = array;
buffer.Offset = 0;
buffer.Count = 0;
return(buffer);
}
