async Task <int> Read(byte[] buffer, int offset, int count, bool async, CancellationToken cancellationToken = default)
{
if (buffer == null)
{
throw new ArgumentNullException(nameof(buffer));
}
if (offset < 0)
{
throw new ArgumentOutOfRangeException(nameof(offset));
}
if (count < 0)
{
throw new ArgumentOutOfRangeException(nameof(count));
}
if (buffer.Length - offset < count)
{
throw new ArgumentException("Invalid offset or count for this buffer");
}
CheckDisposed();
var chunkCount = Math.Min(count, _manager.MaxTransferBlockSize);
var read = 0;
while (read < count)
{
var bytesRead = await _manager.ExecuteFunctionGetBytes(
"loread", buffer, offset + read, count - read, async, cancellationToken, _fd, chunkCount);
_pos += bytesRead;
read += bytesRead;
if (bytesRead < chunkCount)
{
return(read);
}
}
return(read);
}
