/// <exception cref="EndOfStreamException">Unexpected end of stream.</exception>
/// <exception cref="TarantoolProtocolViolationException">Unexpected read bytes count.</exception>
/// <exception cref="UnpackException">
/// source is not valid MessagePack stream.
/// </exception>
/// <exception cref="MessageTypeException">
/// The unpacked result is not compatible to <see cref="T:System.UInt32" />.
/// </exception>
public static async Task <ServerMessage> ReadServerMessageAsync(this Stream stream,
CancellationToken cancellationToken)
{
var packedMessageLength = await stream.ReadExactlyBytesAsync(5, cancellationToken);
var unpackedMessageLength = Unpacking.UnpackUInt32(packedMessageLength);
if (unpackedMessageLength.ReadCount != 5)
{
throw new TarantoolProtocolViolationException("Unexpected read bytes count.");
}
var messageLength = unpackedMessageLength.Value;
var messageBytes = await stream.ReadExactlyBytesAsync((int)messageLength, cancellationToken);
var serverMessage = new ServerMessage(messageBytes);
return(serverMessage);
}