public static ValueTask <int> ReadAsync(this IPipeReader input, Span <byte> destination)
{
while (true)
{
var awaiter = input.ReadAsync();
if (!awaiter.IsCompleted)
{
break;
}
var result = awaiter.GetResult();
var inputBuffer = result.Buffer;
var fin = result.IsCompleted;
var sliced = inputBuffer.Slice(0, Math.Min(inputBuffer.Length, destination.Length));
sliced.CopyTo(destination);
int actual = sliced.Length;
input.Advance(sliced.End);
if (actual != 0)
{
return(new ValueTask <int>(actual));
}
else if (fin)
{
return(new ValueTask <int>(0));
}
}
return(new ValueTask <int>(input.ReadAsyncAwaited(destination)));
}
public static ValueTask <int> ReadAsync(this IPipeReader input, ArraySegment <byte> destination)
{
while (true)
{
var awaiter = input.ReadAsync();
if (!awaiter.IsCompleted)
{
break;
}
var result = awaiter.GetResult();
var inputBuffer = result.Buffer;
var length = (int)Math.Min(inputBuffer.Length, destination.Count);
var sliced = inputBuffer.Slice(0, length);
sliced.CopyTo(destination);
input.Advance(sliced.End);
if (length != 0)
{
return(new ValueTask <int>(length));
}
if (result.IsCompleted)
{
return(new ValueTask <int>(0));
}
}
return(new ValueTask <int>(input.ReadAsyncAwaited(destination)));
}