internal void RequestRead(int size)
{
var oldStatus = (AsyncOperationStatus)Interlocked.CompareExchange(ref Status, (int)AsyncOperationStatus.WantRead, (int)AsyncOperationStatus.Running);
Parent.Debug("RequestRead: {0} {1}", oldStatus, size);
if (oldStatus == AsyncOperationStatus.Running)
{
RequestedSize = size;
}
else if (oldStatus == AsyncOperationStatus.WantRead)
{
RequestedSize += size;
}
else if (oldStatus != AsyncOperationStatus.WantWrite)
{
throw new InvalidOperationException();
}
}
protected void Debug(string message, params object[] args)
{
Parent.Debug("AsyncProtocolRequest({0}:{1}): {2}", Parent.ID, ID, string.Format(message, args));
}
