protected abstract Task OnMessageAsync(MessageDirection direction, uint messageId, RfpIdentifier rfp, Memory <byte> data, CancellationToken cancellationToken);
public virtual async Task WriteAsync(MessageDirection direction, uint messageId, RfpIdentifier rfp, ReadOnlyMemory <byte> data, CancellationToken cancellationToken)
{
var header = new byte[4 + 1 + 4 + RfpIdentifier.Length];
BinaryPrimitives.WriteUInt32BigEndian(header, (uint)(1 + 4 + RfpIdentifier.Length + data.Length));
header[4] = (byte)direction;
BinaryPrimitives.WriteUInt32BigEndian(header.AsSpan(5), messageId);
rfp.CopyTo(header.AsSpan(4 + 1 + 4));
await _socket.SendAsync(header, SocketFlags.None, cancellationToken).ConfigureAwait(false);
await _socket.SendAsync(data, SocketFlags.None, cancellationToken).ConfigureAwait(false);
}