internal Task CopyToAsync(
Stream stream,
TransportContext context,
CancellationToken cancellationToken)
{
this.CheckDisposed();
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
try
{
ArraySegment <byte> buffer;
if (this.TryGetBuffer(out buffer))
{
return(HttpContent.CopyToAsyncCore(stream.WriteAsync(new ReadOnlyMemory <byte>(buffer.Array, buffer.Offset, buffer.Count), cancellationToken)));
}
Task streamAsync = this.SerializeToStreamAsync(stream, context, cancellationToken);
this.CheckTaskNotNull(streamAsync);
return(HttpContent.CopyToAsyncCore(new ValueTask(streamAsync)));
}
catch (Exception ex) when(HttpContent.StreamCopyExceptionNeedsWrapping(ex))
{
return(Task.FromException(HttpContent.GetStreamCopyException(ex)));
}
}