public override int Read(byte[] buffer, int offset, int count)
{
if (buffer is null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.buffer);
}
if ((uint)offset > SharedConstants.TooBigOrNegative)
{
ThrowHelper.ThrowArgumentOutOfRangeException_NeedNonNegNum(ExceptionArgument.offset);
}
if ((uint)count > SharedConstants.TooBigOrNegative)
{
ThrowHelper.ThrowArgumentOutOfRangeException_NeedNonNegNum(ExceptionArgument.count);
}
if ((uint)buffer.Length < (uint)(offset + count))
{
ThrowHelper.ThrowArgumentException_InvalidOffLen();
}
EnsureNotClosed();
int read = Math.Min(count, _buffer.ReadableBytes);
if (0u >= (uint)read)
{
return(0);
}
_ = _buffer.ReadBytes(buffer, offset, read);
return(read);
}
public override int Read(byte[] buffer, int offset, int count)
{
if (buffer is null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.buffer);
}
if (offset < 0)
{
ThrowHelper.ThrowArgumentOutOfRangeException_NeedNonNegNum(ExceptionArgument.offset);
}
if (count < 0)
{
ThrowHelper.ThrowArgumentOutOfRangeException_NeedNonNegNum(ExceptionArgument.count);
}
if (buffer.Length - offset < count)
{
ThrowHelper.ThrowArgumentException_InvalidOffLen();
}
EnsureNotClosed();
int read = Math.Min(count, _buffer.ReadableBytes);
if (0u >= (uint)read)
{
return(0);
}
_ = _buffer.ReadBytes(buffer, offset, read);
return(read);
}
public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
if (buffer is null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.buffer);
}
if ((uint)offset > SharedConstants.TooBigOrNegative)
{
ThrowHelper.ThrowArgumentOutOfRangeException_NeedNonNegNum(ExceptionArgument.offset);
}
if ((uint)count > SharedConstants.TooBigOrNegative)
{
ThrowHelper.ThrowArgumentOutOfRangeException_NeedNonNegNum(ExceptionArgument.count);
}
if ((uint)buffer.Length < (uint)(offset + count))
{
ThrowHelper.ThrowArgumentException_InvalidOffLen();
}
EnsureNotClosed();
EnsureWriteable();
// If cancellation is already requested, bail early
if (cancellationToken.IsCancellationRequested)
{
return(TaskUtil.FromCanceled(cancellationToken));
}
try
{
_ = _buffer.WriteBytes(buffer, offset, count);
return(TaskUtil.Completed);
}
//catch (OperationCanceledException oce)
//{
// return Task.FromCancellation<VoidTaskResult>(oce);
//}
catch (Exception exception)
{
return(TaskUtil.FromException(exception));
}
}
public override void Write(byte[] buffer, int offset, int count)
{
if (buffer is null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.buffer);
}
if ((uint)offset > SharedConstants.TooBigOrNegative)
{
ThrowHelper.ThrowArgumentOutOfRangeException_NeedNonNegNum(ExceptionArgument.offset);
}
if ((uint)count > SharedConstants.TooBigOrNegative)
{
ThrowHelper.ThrowArgumentOutOfRangeException_NeedNonNegNum(ExceptionArgument.count);
}
if ((uint)buffer.Length < (uint)(offset + count))
{
ThrowHelper.ThrowArgumentException_InvalidOffLen();
}
EnsureNotClosed();
EnsureWriteable();
_ = _buffer.WriteBytes(buffer, offset, count);
}
public override void Write(byte[] buffer, int offset, int count)
{
if (buffer is null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.buffer);
}
if (offset < 0)
{
ThrowHelper.ThrowArgumentOutOfRangeException_NeedNonNegNum(ExceptionArgument.offset);
}
if (count < 0)
{
ThrowHelper.ThrowArgumentOutOfRangeException_NeedNonNegNum(ExceptionArgument.count);
}
if (buffer.Length - offset < count)
{
ThrowHelper.ThrowArgumentException_InvalidOffLen();
}
EnsureNotClosed();
EnsureWriteable();
_ = _buffer.WriteBytes(buffer, offset, count);
}