private static Message <RentedArray> Deserialize(DeserializationContext context)
{
var sequence = context.PayloadAsReadOnlySequence();
var length = context.PayloadLength;
var source = sequence.Slice(0, length);
var rentedArray = RentedArray.Rent(length);
source.CopyTo(rentedArray.Array.AsSpan(0, length));
return(new Message <RentedArray>(rentedArray));
}
public static async IAsyncEnumerable <RentedArray> ToAsyncEnumerableRented(
this Stream stream,
[EnumeratorCancellation] CancellationToken token,
Action <long> onProgress = default,
int?maxBufferSize = default)
{
var chunkSize = CalculateChunkSize(maxBufferSize, stream);
await using (stream)
using (var chunk = RentedArray.Rent(chunkSize))
{
var progress = 0L;
var chunkOffset = 0;
int readLength;
while ((readLength = await stream.ReadAsync(chunk.Array, chunkOffset, chunkSize - chunkOffset, token)) > 0)
{
chunkOffset += readLength;
if (chunkOffset == chunkSize)
{
chunkOffset = 0;
yield return(chunk);
progress += chunkSize;
onProgress?.Invoke(progress);
}
}
if (chunkOffset > 0)
{
chunk.Resize(chunkOffset);
yield return(chunk);
progress += chunkOffset;
onProgress?.Invoke(progress);
}
}
}