/// <summary>
/// Creates a <see cref="ByteBuffer"/> from a <see cref="byte[]"/> by allocating unmanaged memory handle
/// and assignin that pointer to the byte buffer. When this instance is disposed, the unmanaged memory handle
/// will be freed.
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="byteBuffer">The byte buffer.</param>
/// <exception cref="ArgumentNullException">buffer - Input buffer cannot be null.</exception>
internal ByteBuffer ToByteBuffer(byte[] buffer)
{
if (buffer == null)
{
throw new ArgumentNullException(nameof(buffer), "Input buffer cannot be null.");
}
var pinnedArray = GCHandle.Alloc(buffer, GCHandleType.Pinned);
var pointer = pinnedArray.AddrOfPinnedObject();
GCHandlesCollection.Add(pinnedArray);
return(new ByteBuffer {
Length = buffer.Length, Data = pointer
});
}
/// <summary>
/// Creates a <see cref="ByteBuffer"/> from a <see cref="byte[]"/> by allocating unmanaged memory handle
/// and assignin that pointer to the byte buffer. When this instance is disposed, the unmanaged memory handle
/// will be freed.
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="byteBuffer">The byte buffer.</param>
/// <exception cref="ArgumentNullException">buffer - Input buffer cannot be null.</exception>
internal ByteBuffer ToBuffer(byte[]?buffer)
{
if (buffer is null)
{
return(new ByteBuffer {
Length = 0, Data = IntPtr.Zero
});
}
var pinnedArray = GCHandle.Alloc(buffer, GCHandleType.Pinned);
var pointer = pinnedArray.AddrOfPinnedObject();
GCHandlesCollection.Add(pinnedArray);
return(new ByteBuffer {
Length = (ulong)buffer.Length, Data = pointer
});
}
