private async Task <(byte[] data, bool isText)> ReceiveMessageAsync(CancellationToken ct = default)
{
var buffer = new ArraySegment <byte>(new byte[4096]);
var ms = new SwappingStream();
WebSocketReceiveResult result;
do
{
ct.ThrowIfCancellationRequested();
result = await WebSocket.ReceiveAsync(buffer, ct).ConfigureAwait(false);
if (buffer.Array != null)
{
await ms.WriteAsync(buffer.Array, buffer.Offset, result.Count, ct).ConfigureAwait(false);
}
} while (!result.EndOfMessage);
ms.Seek(0, SeekOrigin.Begin);
return(
data : await ms.GetBytesAsync().ConfigureAwait(false),
isText : result.MessageType == WebSocketMessageType.Binary
);
}
/// <inheritdoc />
public async IAsyncEnumerable <T> DeserializeCollection <T>(Stream stream)
{
await using var jsonStream = new SwappingStream();
await ProduceJsonArray(stream, jsonStream).ConfigureAwait(false);
await foreach (var item in JsonProvider.DeserializeCollection <T>(jsonStream.Rewind()).ConfigureAwait(false))
{
yield return(item);
}
}
/// <inheritdoc />
public async IAsyncEnumerable <T> Populate <T>(IAsyncEnumerable <T> entities, byte[] body)
{
await using var jsonStream = new SwappingStream();
var populateStream = new MemoryStream(body);
#if NETSTANDARD2_1
await using (populateStream)
#else
using (populateStream)
#endif
{
await ProduceJsonArray(populateStream, jsonStream).ConfigureAwait(false);
await foreach (var item in JsonProvider.Populate(entities, await jsonStream.GetBytesAsync()).ConfigureAwait(false))
{
yield return(item);
}
}
}
