On Wed, 29 Dec 2004 00:27:23 -0500, Jody Hagins <jody-boost-011304@atdesk.com> wrote:
I think Scott is saying that operator>> is insufficient because it can not do a partial read of what is there... it wants to snarf all 4K.
I think at least one person here is mixing pickles and milk, as my old Latin teacher used to say. Firstly, the serialization library doesn't use operator>> or operator<< at all. If you're using these operators on some sort of socket iostream and you don't want blocking to occur, thats your first mistake. When reading/writing data with sockets, its up to you to use an appropriate protocol that can detect "message" boundaries so you know when you have a complete block of data to work with. See for example the BEEP protocol (http://beepcore.org/) for a nice specification and implementation. Don't tightly couple this communications layer to the application layer. The two layers should just pass "complete" blocks of data (e.g. serialized objects) between each other. -- Caleb Epstein caleb dot epstein at gmail dot com